| effect of prunus armeniaca seed extract on health, survivability, antioxidant, blood biochemical and immune status of broiler chickens at high altitude cold desert. | extreme climatic conditions and hypobaric hypoxia at high altitude hinders the growth and productivity of chickens. the present study was carried out to examine the effect of aqueous extract of prunus armeniaca seeds on health, survivability, antioxidants, plasma biochemical parameters, and immune status of broiler chickens at high altitude. phytochemical analysis of extract revealed the presence of high phenolics, flavonoids, and carotenoids contents. before the in vivo study, in vitro efficacy ... | 2017 | 28948048 |
| nutritional profile of phytococktail from trans-himalayan plants. | we estimated the nutritive value, vitamin content, amino acid composition, fatty acid content, and mineral profile of a phytococktail comprising sea buckthorn (hippophae rhamnoides), apricot (prunus armeniaca), and roseroot (rhodiola imbricata) from trans-himalaya. the free vitamin forms in the phytococktail were determined by rapid resolution liquid chromatography/tandem mass spectrometry (rrlc-ms/ms). vitamin e and b-complex vitamins were detected as the principle vitamins. reversed-phase high ... | 2013 | 24376624 |
| efficient removal of priority, hazardous priority and emerging pollutants with prunus armeniaca functionalized biochar from aqueous wastes: experimental optimization and modeling. | this paper investigates the ability of the phosphoric acid functionalized prunus armeniaca stones biochar (aspha) prepared by thermochemical activation to remove lead (pb2+), cadmium (cd2+), nickel (ni2+), naproxen and chlorophenols from aqueous wastes. the engineered biochar was characterized using the scanning electron microscopy, energy-dispersive x-ray spectroscopy, fourier transform infrared spectroscopy and brunauer, emmett and teller technique. the batch studies were performed by varying ... | 2018 | 28938216 |
| infrared-assisted extraction and hplc-analysis of prunus armeniaca l. pomace and detoxified-kernel and their antidiabetic effects. | prunus armeniaca l. (p. armeniaca) is one of the medicinal plants with a high safety-profile. | 2017 | 28895235 |
| proteomic analysis of sweet algerian apricot kernels (prunus armeniaca l.) by combinatorial peptide ligand libraries and lc-ms/ms. | an investigation on the proteome of the sweet kernel of apricot, based on equalisation with combinatorial peptide ligand libraries (cplls), sds-page, nlc-esi-ms/ms, and database search, permitted identifying 175 proteins. gene ontology analysis indicated that their main molecular functions are in nucleotide binding (20.9%), hydrolase activities (10.6%), kinase activities (7%), and catalytic activity (5.6%). a protein-protein association network analysis using string software permitted to build a ... | 2018 | 28873655 |
| anti-inflammatory effect of prunus armeniaca l. (apricot) extracts ameliorates tnbs-induced ulcerative colitis in rats. | prunus armeniaca l. (apricot) is a tree cultivated in different parts of the world. apricot kernel as a good dietary supplement has shown antioxidant, anti-inflammatory and other pharmacologic properties which suggest that it may be functional as an anticolitis agent. in this study we evaluated the effects of apricot kernel extract and oil on ulcerative colitis in rats. rats were fasted for 36 h before the experiment. colitis was induced by intra-rectal instillation of 50 mg/kg trinitrobenzene s ... | 2017 | 25657793 |
| tocochromanols composition in kernels recovered from different apricot varieties: rp-hplc/fld and rp-uplc-esi/ms(n) study. | composition of tocochromanols in kernels recovered from 16 different apricot varieties (prunus armeniaca l.) was studied. three tocopherol (t) homologues, namely α, γ and δ, were quantified in all tested samples by an rp-hplc/fld method. the γ-t was the main tocopherol homologue identified in apricot kernels and constituted approximately 93% of total detected tocopherols. the rp-uplc-esi/ms(n) method detected trace amounts of two tocotrienol homologues α and γ in the apricot kernels. the concent ... | 2015 | 25567675 |
| [models for estimating foliar fe and mn concentration of armeniaca vulgaris cv. luntaibaixing using spectral reflectance]. | aimed at providing technology for a rapid nutrition diagnosis system of micronutrients in armeniaca vulgaris cv. luntaibaixing, we established an element concentration estimation model for its foliar ferrum (fe) and manganese (mn) concentration based on spectrum analysis. the foliar spectrum reflectance at various phenological periods of fruit development under different soil fertility conditions was measured by unispec-sc spectrometer. by analyzing the correlation of foliar fe, mn concentration ... | 2014 | 25532350 |
| apricot (prunus armeniaca l.). | a protocol for agrobacterium-mediated stable transformation of whole leaf explants of the apricot (prunus armeniaca) cultivars 'helena' and 'canino' is described. regenerated buds were selected using a two-step selection strategy with paromomycin sulfate and transferred to bud multiplication medium 1 week after they were detected for optimal survival. after buds were transferred to bud multiplication medium, antibiotic was changed to kanamycin and concentration increased gradually at each transf ... | 2015 | 25416253 |
| phenolic compounds and vitamins in wild and cultivated apricot (prunus armeniaca l.) fruits grown in irrigated and dry farming conditions. | turkey is the main apricot producer in the world and apricots have been produced under both dry and irrigated conditions in the country. in this study, phenolic compounds and vitamins in fruits of one wild (zerdali) and three main apricot cultivars ('cataloglu', 'hacihaliloglu' and 'kabaasi') grown in both dry and irrigated conditions in malatya provinces in turkey were investigated. | 2014 | 25288225 |
| selection of reference genes for gene expression studies in siberian apricot (prunus sibirica l.) germplasm using quantitative real-time pcr. | quantitative real time reverse transcription polymerase chain reaction has been applied in a vast range of studies of gene expression analysis. however, real-time pcr data must be normalized with one or more reference genes. in this study, eleven putative consistently expressed genes (act, tua, tub, cyp, dnaj, elfa, f-box27, rpl12, gapdh, ubc and ubq) in nine siberian apricot germplasms (including much variability) were evaluated for their potential as references for the normalization of gene ex ... | 2014 | 25105495 |
| crop load and harvest maturity effects on consumer preferences for apricots. | improving apricot fruit quality delivered to consumers is key to ensuring a successful apricot industry. previous studies have focused on effects of either soluble solids content (ssc) or fruit firmness on consumer preferences, and results have been equivocal. this study evaluated the effects of crop load and harvest maturity how they affected on fruit ssc and firmness, and on subsequent consumer preferences. | 2015 | 25073430 |
| the effects of the standardized herbal formula pm014 on pulmonary inflammation and airway responsiveness in a murine model of cockroach allergen-induced asthma. | pm014 is a modified form of the chung-sang-bo-ha-tang (csbht) herbal formula that has been used to treat chronic pulmonary diseases in korea for centuries. previously, we developed a formulation of pm014 based on a series of in vitro and in vivo screening efforts that comprises seven herbal extracts. the pm014 formula includes the root of rehmannia glutinosa, the cortex of paeonia suffruticosa, the fruit of schizandra chinensis, the root of asparagus cochinchinensis, seeds of prunus armeniaca, t ... | 2014 | 24879958 |
| cryopreservation of native kazakhstan apricot (prunus armeniaca l) seeds and embryonic axes. | preserving the genetic diversity of central asia includes conserving wild apricots found in the foothills of several mountain ranges. these include primitive and genetically diverse populations with important characteristics for crop improvement. apricot seeds have a short storage life, so cryopreservation of the seeds of wild populations is important for conserving the genetic diversity. | 2014 | 24869649 |
| some physico-chemical properties of prunus armeniaca l. gum exudates. | the objectives of this paper were to investigate some physicochemical properties of prunus armeniaca l. gum exudates (page). page had, on average, 66.89% carbohydrate, 10.47% uronic acids, 6.9% moisture (w.b.), 2.91% protein, 4% ash and 1.59% fat. page was composed of monosaccharides including l-arabinose, d-galactose, xylose, mannose and rhamnose in molar percentages of 41.52%, 23.72%, 17.82%, 14.40% and 2.54%, respectively. elemental analysis showed that page had high values of nutrients. ftir ... | 2016 | 26434520 |
| value addition of wild apricot fruits grown in north-west himalayan regions-a review. | wild apricot (prunus armeniaca l.) commonly known as chulli is a potential fruit widely distributed in north-west himalayan regions of the world. the fruits are good source of carbohydrates, vitamins, minerals besides having attractive colour and typical flavour. unlike table purpose varieties of apricots like new castle, the fruits of wild apricot are unsuitable for fresh consumption because of its high acid and low sugar content. however, the fruits are traditionally utilized for open sun dryi ... | 2014 | 26396287 |
| two-year comparison of the biochemical properties of polyphenol oxidase from turkish alyanak apricot (prunus armenica l.). | polyphenol oxidase (ppo) was extracted and purified from turkish alyanak apricot variety and its characteristics were studied in two consecutive years (2008 and 2009). three isoenzymes (isoenzyme a1, a2 and b) were obtained upon ammonium sulfate fractionation, ion exchange chromatography using deae-toyopearl 650 m and gel filtration chromatography using sephadex g-100. the isoenzymes exhibited different kinetic properties. furthermore, year-to-year variability in km and vmax values was significa ... | 2016 | 26213033 |
| studies on osmo-air dehydration of different indian apricot (prunus armeniaca l.) cultivars. | suitability of seven cultivars of apricot viz. new castle, kaisha, royal, suffaida, nari, kullu (local) and chulli (wild apricot) was evaluated for dehydration. osmotic dehydration of fruits consisting of dipping prepared fruits in 70° brix sucrose syrup containing 2,000 ppm potassium metabisulphite (kms) for 24 h followed by cabinet air drying (55 °c) to desired moisture (20 ± 0.5 %) gave better dried product with good colour and appeal. dried whole or halved fruits after removal of stones were ... | 2015 | 26028764 |
| high-level genetic diversity and complex population structure of siberian apricot (prunus sibirica l.) in china as revealed by nuclear ssr markers. | siberian apricot (prunus sibirica l.), an ecologically and economically important tree species with a high degree of tolerance to a variety of extreme environmental conditions, is widely distributed across the mountains of northeastern and northern china, eastern and southeastern regions of mongolia, eastern siberia, and the maritime territory of russia. however, few studies have examined the genetic diversity and population structure of this species. using 31 nuclear microsatellites, we investi ... | 2014 | 24516551 |
| loss of sulfur dioxide and changes in some chemical properties of malatya apricots (prunus armeniaca l.) during sulfuring and drying. | this study was conducted to determine the differences in some analytical properties of four apricot cultivars and to determine the changes in these analytical properties during sulfuring and sun-drying. | 2014 | 24446354 |
| standardization of technology for preparation and storage of wild apricot fruit bar. | the study was conducted to standardize the protocol for preparation of wild apricot fruit bar. wild apricot fruits were harvested at optimum maturity from distt tehri garhwal, uttarakhand and after thorough sorting and proper washing, used for hot extraction of pulp through a pulper. pulp was preserved in 500 ppm so2 (using potassium metabisulphite). for preparation of fruit bars, additives like sugar and pectin were added to the pulp in different proportions and the mixture dried in mechanical ... | 2013 | 24425982 |
| comparative studies of binding potential of prunus armeniaca and prunus domestica gums in tablets formulations. | the current study was undertaken to compare the binding potential of prunus armeniaca l. and prunus domestica l. gums in tablets' formulations. tablet batches (f-1 to f-9) were prepared diclofenac sodium as model drug using 5%, 7.5% and 10% of each prunus armeniaca l., prunus domestica l. gums as binder. pvp k30 was used as a standard binder. magnesium stearate was used as lubricant. flow properties of granules (like bulk density, tapped density, carr's index, hausner's ratio, angle of repose) a ... | 2015 | 26004724 |
| transcriptomic analysis revealed the mechanism of oil dynamic accumulation during developing siberian apricot (prunus sibirica l.) seed kernels for the development of woody biodiesel. | siberian apricot (prunus sibirica l.) has emerged as a novel potential source of biodiesel in china, but the molecular regulatory mechanism of oil accumulation in siberian apricot seed kernels (sask) is still unknown at present. to better develop sask oil as woody biodiesel, it is essential to profile transcriptome and to identify the full repertoire of potential unigenes involved in the formation and accumulation of oil sask during the different developing stages. | 2015 | 25834637 |
| genetic diversity and population structure of siberian apricot (prunus sibirica l.) in china. | the genetic diversity and population genetic structure of 252 accessions from 21 prunus sibirica l. populations were investigated using 10 issr, ssr, and srap markers. the results suggest that the entire population has a relatively high level of genetic diversity, with populations hr and my showing very high diversity. a low level of inter-population genetic differentiation and a high level of intra-population genetic differentiation was found, which is supported by a moderate level of gene flow ... | 2013 | 24384840 |
| host suitability analysis of the bark beetle scolytus amygdali (coleoptera: curculionidae: scolytinae). | scolytus amygdali is a polyphagous insect pest that feeds on fruit trees and forest trees. our study assessed the host preference and reproductive potential of s. amygdali on four tree species: almond (prunus dulcis), apricot (prunus armeniaca), peach (prunus persica), and plum (prunus domestica). females of s. amygdali produced maternal galleries that were longer on peach than the other three trees, and female fecundity was highest on peach. females with longer maternal galleries produced more ... | 2015 | 25809539 |
| extraction and characterization of pectin methylesterase from alyanak apricot (prunus armeniaca l). | this study was carried out to determine some of the biochemical properties of pectin methylesterase (pme) from alyanak apricot which is an important variety grown in malatya region of turkey. the enzyme had high activity in a ph range of 7.0-8.0 with the maximal activity occurring at ph 7.5. however, the enzyme activity at high and low ph values was very low. the optimum temperature for maximal pme activity was found to be 60 °c. the activity of pme has been enhanced by nacl, particularly at 0.1 ... | 2015 | 25694739 |
| regional unified model-based leaf unfolding prediction from 1960 to 2009 across northern china. | using first leaf unfolding data of salix matsudana, populus simonii, ulmus pumila, and prunus armeniaca, and daily mean temperature data during the 1981-2005 period at 136 stations in northern china, we fitted unified forcing and chilling phenology models and selected optimum models for each species at each station. then, we examined performances of each optimum local species-specific model in predicting leaf unfolding dates at all external stations within the corresponding climate region and se ... | 2013 | 23504902 |
| proteomic analysis of apricot fruit during ripening. | ripening of climacteric fruits involves a complex network of biochemical and metabolic changes that make them palatable and rich in nutritional and health-beneficial compounds. since fruit maturation has a profound impact on human nutrition, it has been recently the object of increasing research activity by holistic approaches, especially on model species. here we report on the original proteomic characterization of ripening in apricot, a widely cultivated species of temperate zones appreciated ... | 2013 | 23178875 |
| the protective effects of prunus armeniaca l (apricot) against methotrexate-induced oxidative damage and apoptosis in rat kidney. | this study was conducted to evaluate a possible protective role of apricot in apoptotic cell death induced by methotrexate (mtx) and renal damage by different histological and biochemical parameters. twenty-eight rats were divided into four groups, control, apricot, methotrexate, and apricot + methotrexate. methotrexate induced renal failure, as shown by significant serum creatinine and urea elevation. additionally, the results indicated that methotrexate significantly induced lipid peroxidation ... | 2013 | 23143813 |
| characterization and the effect of maturity at harvest on the phenolic and carotenoid content of northeast usa apricot (prunus armeniaca) varieties. | the phenolic and carotenoid content and quality indices of five northeast apricot varieties were assessed over two years and the impact of maturity at harvest was evaluated. four varieties were analyzed at commercial and tree ripe stages and one variety after storage for 4 weeks (0-1 °c, 90-95% relative humidity). total phenolic content ranged from 44.0 to 345.1 mg/100 g, total antioxidant capacity (oxygen radical absorbance capacity assay) from 2096.9 to 7165.1 μmol/100 g, and total carotenoid ... | 2013 | 24328399 |
| self-(in)compatibility genotypes of moroccan apricots indicate differences and similarities in the crop history of european and north african apricot germplasm. | allelic diversity of the s-locus is attributed to the genetic relationships among genotypes and sexual reproduction strategy. in otherwise self-incompatible prunus species, the emergence of loss-of-function in s-haplotypes has resulted in self-compatibility. this information may allow following major stages of crop history. the genetic diversity in the s-locus of local apricots (prunus armeniaca l.) from different oasis ecosystems in morocco and the comparison of the occurrence and frequency of ... | 2013 | 24289114 |
| potential toxic levels of cyanide in almonds (prunus amygdalus), apricot kernels (prunus armeniaca), and almond syrup. | under normal environmental conditions, many plants synthesize cyanogenic glycosides, which are able to release hydrogen cyanide upon hydrolysis. each year, there are frequent livestock and occasional human victims of cyanogenic plants consumption. the present work aims to determine the hydrocyanic acid content in different samples of cyanogenic plants, selected from the tunisian flora, and in the almond syrup. in order to evaluate their toxicity and their impact on the consumer health in the sho ... | 2013 | 24171123 |
| chemical composition and antioxidant capacities of phytococktail extracts from trans-himalayan cold desert. | himalayan plants are widely used in traditional system of medicine both as prophylactics and therapeutics for high altitude maladies. our aim was to evaluate the antioxidant capacities and bioactive compounds of methanol and n-hexane extracts of the phytococktail comprising of sea buckthorn (hippophae rhamnoides), apricot (prunus armeniaca) and roseroot (rhodiola imbricata) from trans-himalaya. | 2013 | 24098968 |
| degradation of carotenoids in apricot (prunus armeniaca l.) during drying process. | carotenoids are natural compounds whose nutritional importance comes from the provitamin a activity of some of them and their protection against several serious human disorders. the degradation of carotenoids was investigated during apricot drying by microwave and convective hot-air at 60 and 70 °c. seven carotenoids were identified: antheraxanthin, lutein, zeaxanthin, β-cryptoxanthin, 13-cis-β-carotene, all-trans-β-carotene and 9-cis-β-carotene; among these, all-trans-β-carotene was found to be ... | 2013 | 23807280 |
| antioxidant activity, volatile composition and sensory profile of four new very-early apricots (prunus armeniaca l.). | very-early apricot cultivars are interesting owing to the fact that they will be available in markets before any other cultivar. in order to achieve good fruit quality, very-early apricots require appropriate size, weight and color, good balance of sugars and organic acids, proper content of bioactive compounds, relatively strong apricot aroma as well as acceptable sensory quality. | 2014 | 23633390 |
| an s-locus independent pollen factor confers self-compatibility in 'katy' apricot. | loss of pollen-s function in prunus self-compatible cultivars has been mostly associated with deletions or insertions in the s-haplotype-specific f-box (sfb) genes. however, self-compatible pollen-part mutants defective for non-s-locus factors have also been found, for instance, in the apricot (prunus armeniaca) cv. 'canino'. in the present study, we report the genetic and molecular analysis of another self-compatible apricot cv. termed 'katy'. s-genotype of 'katy' was determined as s(1)s(2) and ... | 2013 | 23342044 |
| [root system spatial distribution of different aged armeniaca vulgaris cv. luntaibaixing in arid oasis under irrigation]. | by the methods of layered digging and image scanning analysis, this paper studied the root system spatial distribution of different aged armeniaca vulgaris cv. luntaibaixing in arid oasis under irrigation. the root system of a. vulgaris cv. luntaibaixing was mainly constituted by fine roots (d < or = 1 mm), while medium roots (1<d < or = 2 mm) and thick roots (d>2 mm) only had a small proportion. for the trees aged 5-year old, 10-year old, and 15-year old, the percentage of fine root length in t ... | 2012 | 23285988 |
| from genotype to apricot fruit quality: the antioxidant properties contribution. | apricot fruit (prunus armeniaca l.) quality strictly relates to the eating quality of fresh produce. since consumers are more and more interested in healthy food, and apricot germplasm shows a wide choice of new selections and cultivars, apricot nutraceutical properties are under evaluation in order to select outstanding genotypes, which may link breeding and marketing. in the present study, 18 apricot genotypes of the italian and international germplasm were evaluated over three years according ... | 2012 | 23054392 |
| microarray analysis of differentially expressed genes engaged in fruit development between prunus mume and prunus armeniaca. | microarray analysis is a technique that can be employed to provide expression profiles of single genes and new insights to elucidate the biological mechanisms responsible for fruit development. to evaluate expression of genes mostly engaged in fruit development between prunus mume and prunus armeniaca, we first identified differentially expressed transcripts along the entire fruit life cycle by using microarrays spotted with 10,641 ests collected from p. mume and other prunus est sequences. a to ... | 2012 | 23036314 |
| [optimization for supercritical co2 extraction with response surface methodology of prunus armeniaca oil]. | to optimize the extraction conditions of prunus armeniaca oil by supercritical co2 extraction and identify its components by gc-ms. | 2012 | 22876691 |
| biodiesel from siberian apricot (prunus sibirica l.) seed kernel oil. | in this paper, siberian apricot (prunus sibirica l.) seed kernel oil was investigated for the first time as a promising non-conventional feedstock for preparation of biodiesel. siberian apricot seed kernel has high oil content (50.18 ± 3.92%), and the oil has low acid value (0.46 mg g(-1)) and low water content (0.17%). the fatty acid composition of the siberian apricot seed kernel oil includes a high percentage of oleic acid (65.23 ± 4.97%) and linoleic acid (28.92 ± 4.62%). the measured fuel p ... | 2012 | 22440572 |
| comparison of covalent and noncovalent immobilization of malatya apricot pectinesterase (prunus armeniaca l.). | pectinesterase isolated from malatya apricot pulp was noncovalently and covalently immobilized onto bentonite and glutaraldehyde-containing amino group functionalized porous glass beads surface at ph 8.0 and ph 9.0, respectively. the effect of various parameters such as ph, temperature, activation energy, heat and storage stability on immobilized enzyme were investigated. the optimum temperature of covalently and noncovalently immobilized pe was 50°c. this value was 60°c for free pe. although op ... | 2012 | 21951194 |
| molecular characterization of apricot germplasm from an old stone collection. | increasing germplasm erosion requires the recovery and conservation of traditional cultivars before they disappear. here we present a particular case in spain where a thorough prospection of local fruit tree species was performed in the 1950s with detailed data of the origin of each genotype but, unfortunately, the accessions are no longer conserved in ex situ germplasm collections. however, for most of those cultivars, an old stone collection is still preserved. in order to analyze the diversit ... | 2011 | 21901149 |
| antioxidant capacity and phenolics content of apricot (prunus armeniaca l.) kernel as a function of genotype. | fourteen apricot genotypes grown under similar cultural practices in trans-himalayan ladakh region were studied to find out the influence of genotype on antioxidant capacity and total phenolic content (tpc) of apricot kernel. the kernels were found to be rich in tpc ranging from 92.2 to 162.1 mg gallic acid equivalent/100 g. the free radical-scavenging activity in terms of inhibitory concentration (ic(50)) ranged from 43.8 to 123.4 mg/ml and ferric reducing antioxidant potential (frap) from 154. ... | 2011 | 21779763 |
| [effects of high temperature on leaf photosynthetic characteristics and photosystem ii photochemical activity of kernel-used apricot]. | in order to explore the photosynthetic adaption mechanisms of kernel-used apricot under high temperature stress, gas exchange technique and chlorophyll fluorescence transient technique (jip-test) were adopted to study the leaf photosynthetic characteristics and photosystem ii (ps ii) photochemical activity of 4 year-old 'chaoren' (armeniaca vulgaris x sibirica) growing on horqin sandy land at 25 degrees c, 30 degrees c, 40 degrees c, and 50 degrees c. within a definite temperature range, and as ... | 2011 | 21657027 |
| predicting apricot phenology using meteorological data. | the main objective of this study was to develop feasible, easy to apply models for early prediction of full flowering (ff) and maturing (ma) in apricot (prunus armeniaca l.). phenological data for 20 apricot cultivars grown in the belgrade region were modeled against averages of daily temperature records over ten seasons for ff and eight seasons for ma. a much stronger correlation was found between the phenological timing and temperature at the very beginning than at the end of phenophases. also ... | 2011 | 21103892 |
| self-compatibility of 'katy' apricot (prunus armeniaca l.) is associated with pollen-part mutations. | apricot (prunus armeniaca l.) cultivars originated in china display a typical s-rnase-based gametophytic self-incompatibility (gsi). 'katy', a natural self-compatible cultivar belonging to the european ecotype group, was used as a useful material for breeding new cultivars with high frequency of self-compatibility by hybridizing with chinese native cultivars. in this work, the pollen-s genes (s-haplotype-specific f-box gene, or sfb gene) of 'katy' were first identified as sfb₁ and sfb (8), and t ... | 2011 | 20658154 |
| 1-methylcyclopropene affects the antioxidant system of apricots (prunus armeniaca l. cv. búlida) during storage at low temperature. | apricots (prunus armeniaca cv. búlida) were treated with 1 μl l⁻¹ [corrected] 1-methylcyclopropene (1-mcp) immediately after harvest and stored in air at 2 degrees c for 21 days. antioxidant levels (ascorbic acid and carotenoids), enzymatic antioxidant activities (superoxide dismutase (sod) and unspecific peroxidase (pox)) and total antioxidant capacity (trolox equivalent antioxidant capacity (teac)) were determined. the level of oxidative stress was also established by measuring ion leakage dur ... | 2010 | 20355080 |
| distribution of amygdalin in apricot (prunus armeniaca) seeds studied by raman microscopic imaging. | amygdalin is a cyanogenic glycoside found in the seeds of several plants belonging to the rosaceae family. cyanogenic glycosides can be specifically probed by raman spectroscopy due to an inherent nitrile group which shows a well-resolved band near 2245 cm(-1). in the current study the subcellular distribution of amygdalin in thin apricot (prunus armeniaca) seed sections is probed by high-resolution raman imaging with a step size of 2.5 μm. further, raman images and line maps were collected from ... | 2012 | 22732534 |
| primary style protein expression in the self-incompatible/compatible apricot by the 2d-dige technique. | in order to explore the molecular mechanism underlying self-incompatibility (si) in the apricot (prunus armeniaca l.) at the proteome level, we examined the style proteomes at different stages of flower development: small bud, big bud, 24h after self-pollination and 24h after cross-pollination with cultivar badanshui in the si apricot cultivar xinshiji and the self-compatible (sc) apricot cultivar katy by 2d fluorescence difference gel electrophoresis (2d-dige) and mass spectrometry (ms). about ... | 2012 | 22565192 |
| loss of genetic diversity as a signature of apricot domestication and diffusion into the mediterranean basin. | domestication generally implies a loss of diversity in crop species relative to their wild ancestors because of genetic drift through bottleneck effects. compared to native mediterranean fruit species like olive and grape, the loss of genetic diversity is expected to be more substantial for fruit species introduced into mediterranean areas such as apricot (prunus armeniaca l.), which was probably primarily domesticated in china. by comparing genetic diversity among regional apricot gene pools in ... | 2012 | 22510209 |
| non-tir-nbs-lrr resistance gene analogs in apricot (prunus armeniaca l.). | genes encoding for proteins with nucleotide-binding site and leucine-rich repeat motifs (nbs-lrr) have been suggested to play a general role in plant defence mechanism. in prunus species, many tir (toll / interleukin-1 receptor), and only very few non-tir sequences were identified, which was explained either by the unequal distribution of tir/non-tir sequences in the prunus genome or by the incapability of primers in the amplification of non-tir rgas. the objective of this work was to check whet ... | 2011 | 21555269 |
| antioxidant and antiradical capacities in apricot (prunus armeniaca l.) fruits: variations from genotypes, years, and analytical methods. | the fruit quality parameters and antioxidant capacity (ferric reducing antioxidant power, frap) and total phenolic content (tpc) were determined in 27 apricot cultivars and hybrids of diverse origins. twenty one- to 35-fold variations were measured among frap and tpc values. besides genotype, harvest year also contributed significantly (p≤0.05) to the variations of tpc presumably due to the climatic differences between years. a subset of genotypes (15) was also analyzed for their antiradical act ... | 2016 | 21535583 |
| genetic linkage mapping for molecular dissection of chilling requirement and budbreak in apricot (prunus armeniaca l.). | commercial production of apricot is severely affected by sensitivity to climatic conditions, an adaptive feature essential for cycling between vegetative or floral growth and dormancy. yield losses are due to late winter or early spring frosts and inhibited vegetative or floral growth caused by unfulfilled chilling requirement (cr). two apricot cultivars, perfection and a.1740, were selected for high and low cr, respectively, to develop a mapping population of f1 individuals using a two-way pseu ... | 2009 | 19935906 |
| stamen development and winter dormancy in apricot (prunus armeniaca). | in temperate woody perennials, flower bud development is halted during the winter, when the buds enter dormancy. this dormant period is a prerequisite for adequate flowering, is genetically regulated, and plays a clear role in possibly adapting species and cultivars to climatic areas. however, information on the biological events underpinning dormancy is lacking. stamen development, with clear differentiated stages, appears as a good framework to put dormancy in a developmental context. here, st ... | 2011 | 21474504 |
| comparative study of primary and secondary metabolites in apricot (prunus armeniaca l.) cultivars. | apricot is one of the most popular prunus species grown in the temperate zone and great variation in the contents of primary and secondary metabolites has been reported in its fruit. however, little is known on the phenolic profiles and antioxidant potential of important local cultivars. the objective of the study was to identify valuable parental lines for breeding of cultivars with high health-promoting effects. | 2011 | 21384353 |
| utilization of wild apricot kernel press cake for extraction of protein isolate. | the kernels of apricot (prunus armeniaca) stones are utilized for extraction of oil. the press cake left after extraction of oil was evaluated for preparation of protein isolate for its use in food supplementation. the apricot kernels contained 45-50% oil, 23.6-26.2% protein, 4.2% ash, 5.42% crude fibre, 8.2% carbohydrates and 90 mg hcn/100 g kernels, while press cake obtained after oil extraction contained 34.5% crude protein, which can be utilized for preparation of protein isolates. the metho ... | 2010 | 23572706 |
| evaluation of different methods for determining growing degree-day thresholds in apricot cultivars. | the aim of this study was to examine different methods for determining growing degree-day (gdd) threshold temperatures for two phenological stages (full bloom and harvest) and select the optimal thresholds for a greater number of apricot (prunus armeniaca l.) cultivars grown in the belgrade region. a 10-year data series were used to conduct the study. several commonly used methods to determine the threshold temperatures from field observation were evaluated: (1) the least standard deviation in g ... | 2010 | 20033431 |
| ft-nir spectroscopy for the quality characterization of apricots (prunus armeniaca l.). | the nondestructive assessment of apricot fruit quality (bora cultivar) was carried out by means of ft-nir reflectance spectroscopy in the wavenumber range 12000 to 4000 cm⁻¹. samples were harvested at four different ripening stages and scanned by a fiber optical probe immediately after harvesting and after a storage of 3 d (2 d at 4 °c and 1 d at 18 °c); the flesh firmness (ff), the soluble solids content (ssc), the acidity (a), and the titratable acidity (malic and citric acids) were then measu ... | 2010 | 21535540 |
| correspondence of issr and rapd markers for comparative analysis of genetic diversity among different apricot genotypes from cold arid deserts of trans-himalayas. | the phylogenetic relationships of 36 locally grown prunus armeniaca genotypes which are collected from nine sampling sites from two valleys viz. nubra (9,600 ft) and leh (11,500 ft) of trans-himalayan region were analyzed using 31 pcr markers (20 rapds and 11 issrs). this is the first report of molecular genetic diversity studies in apricot from this region of the world. rapd analysis yielded 139 fragments, of which 136 were polymorphic, with an average of 6.8 polymorphic fragments per primer. i ... | 2009 | 23572932 |
| differential expression levels of aroma-related genes during ripening of apricot (prunus armeniaca l.). | fruit aroma is a complex trait, particularly in terms of the number of different biosynthetic pathways involved, the complexity of the final metabolites, and their regulation. in order to understand the underlying biochemical processes involved in apricot aroma, four cdnas (pa-aat, eu784138; pa-adheu395433; pa-pdceu395434; and pa-loxeu439430) encoding an alcohol acyl transferase (aat), alcohol dehydrogenase (adh), pyruvate decarboxylase (pdc), and lipoxygenase (lox), respectively, were isolated ... | 2009 | 19233665 |
| noncovalent immobilization of pectinesterase (prunus armeniaca l.) onto bentonite. | in this work, pectinesterase isolated from malatya apricot was immobilized onto acid-treated bentonite surface by simple adsorption at ph 9.0. the properties of free and immobilized enzyme were defined. the effect of various factors such as ph, temperature, heat, and storage stability on immobilized enzyme were investigated. optimum ph and temperature were determined to be 9.0 and 50 degrees c, respectively. kinetic parameters of the immobilized enzyme (km and vmax values) were also determined a ... | 2008 | 19058058 |
| the prunus self-incompatibility locus (s locus) is seldom rearranged. | self-incompatibility enables flowering plants to discriminate between self- and non-selfpollen. in prunus, the 2 genes determining specificity are the s-rnase (the female determinant that is a glycoprotein with ribonuclease activity) and the sfb (the male determinant, a protein with an f-box motif). in all prunus s haplotypes characterized so far, with the exception of prunus armeniaca s(2) haplotype, the 2 genes have opposite transcription orientations. nevertheless, the relative transcription ... | 2008 | 18703538 |
| [effects of low temperature and weak light on the functions of photosystem in prunus armeniaca l. leaves in solar greenhouse]. | in this paper, the net photosynthetic rate (pn), actual photochemical efficiency of ps ii (phipsii), photochemical quenching (qp), and maximal photochemical efficiency of ps ii in light (fv'/fm') of apricot (prunus armeniaca) leaves in solar greenhouse were measured, and the effects of low temperature (7 degrees c) and weak light (200 micromol x m(-2) x s(-1) pfd) on the photoinhibition of ps i and ps ii were investigated. the results showed that the optimal temperature for the photosynthesis of ... | 2008 | 18533518 |
| development and transferability of apricot and grape est microsatellite markers across taxa. | est microsatellite markers were developed in apricot (prunus armeniaca l.) and grape (vitis vinifera l.). cdna libraries from either apricot leaves or grape roots were used in an enrichment procedure for ga and ca repeats. the transferability of est simple sequence repeat (ssr) markers from apricot and grapevine to other related and unrelated species was examined. overall, grape primers amplified products in most of the vitaceae accessions while the apricot primers amplified polymorphic alleles ... | 2003 | 12647067 |
| simple sequence repeat (ssr) analysis for assessment of genetic variability in apricot germplasm. | thirty ssr primer combinations, developed from peach ssr-enriched genomic libraries and bac libraries of peach [ prunus persica (l.) batsch.], were tested for cross amplification with 74 apricot ( prunus armeniaca l.) germplasm accessions. twelve primer pairs amplified 14 polymorphic ssr loci useful for discriminating most apricot cultivars, as well as for investigating patterns of variation in apricot germplasm. levels of polymorphism were higher than the levels described using other codominant ... | 2003 | 12589543 |
| molecular characterization and similarity relationships among apricot ( prunus armeniaca l.) genotypes using simple sequence repeats. | a collection of 48 apricot genotypes, originated from diverse geographic areas, have been screened with 37 ssr primer pairs developed in different species of prunus in order to identify and characterize the genotypes and establish their genetic relations. thirty one of those primer pairs resulted in correct amplifications and 20 produced polymorphic repeatable amplification patterns with the 48 genotypes studied. a total of 82 alleles were detected for the 20 loci. all the genotypes studied coul ... | 2002 | 12582704 |
| primary molecular features of self-incompatible and self-compatible f(1) seedling from apricot (prunus armeniaca l.) katy x xinshiji. | expression of the s-rnase genes in the self-compatible (sc) apricot (prunus armeniaca l.) cultivar katy, the self-incompatible (si) cultivar xinshiji and their f(1) seedling was examined in this study. three s-genotypes, s(9)sc (sc, self-compatibility s-gene absent from the style), s(8)s(9), and s(8)s(10), were obtained. seedlings with s-rnase that migrated as a single band in gel electrophoresis were sc, despite high transcript abundance, and those with s-rnase that migrated as two bands were s ... | 2009 | 17987401 |
| flavonoid glycosides from prunus armeniaca and the antibacterial activity of a crude extract. | investigations on the chemical constituents of the fruits of prunus armeniaca have led to the isolation of two new flavonoid glycosides, 4',5,7-trihydroxy flavone-7-o-[beta-d-mannopyranosyl (1'''-->2")]-beta-d-allopyranoside (1) and 3,4',5,7-tetrahydroxy-3',5'-di-methoxy flavone 3-o-[alpha-l-rhamnopyranosyl (1'''-->6")]-beta-d-galactopyranoside (2), from the butanolic fraction of the fruits. the butanolic extract exhibited antibacterial activity against both gram positive and gram negative bacte ... | 2007 | 17879744 |
| origin and dissemination of the pollen-part mutated sc haplotype which confers self-compatibility in apricot (prunus armeniaca). | in china, its centre of origin, apricot (prunus armeniaca) is self-incompatible. however, most european cultivars are self-compatible. in most cases, self-compatibility is a result of a loss-of-function mutation within the pollen gene (sfb) in the sc haplotype. controlled pollinations performed in this work revealed that the cross 'ceglédi óriás' (s8s9)x'ceglédi arany' (scs9) set well, as expected, but the reciprocal cross did not. apricot s8, s9 and sc haplotypes were analysed using a multileve ... | 2007 | 17850250 |
| inhibition of zeaxanthin epoxidase activity by cadmium ions in higher plants. | the effect of cadmium and zinc ions on violaxanthin cycle enzymes, violaxanthin de-epoxidase and zeaxanthin epoxidase, has been investigated on selected plant species, as well as in vitro. about 50% inhibition of zeaxanthin epoxidase by cadmium ions was found for duckweed (lemna trisulca) and tomato (lycopersicon esculentum) leaves but for apricot (prunus armeniaca) leaves no cadmium inhibition of the epoxidation reaction was observed. the cadmium inhibition of zeaxanthin epoxidase in tomato was ... | 2005 | 16146651 |
| physical characters and antioxidant, sugar, and mineral nutrient contents in fruit from 29 apricot (prunus armeniaca l.) cultivars and hybrids. | fruit physical and chemical characters of 29 apricot cultivars of greek and american origin and their hybrids were evaluated using correlation and principal component analysis. a remarkable variation was observed in the total phenol content (0.3-7.4 mg gallic acid equivalent g(-1) fw) and total antioxidant capacity (0.026-1.858 mg ascorbic acid equivalent g(-1) fw), with the american origin cultivars robada and nja(2) and the new cultivar nike exhibiting the greatest values. the cultivar tomcot ... | 2008 | 18975966 |
| purification and biochemical characteristics of pectinesterase from malatya apricot (prunus armeniaca l.). | pectinesterase (pe) in malatya apricot pulp (prunus armeniaca l.) was extracted and purified through (nh(4))(2)so(4) precipitation, dialysis, and deae-sephadex gel filtration chromatography. the samples obtained from the dialysis procedure, named partially purified enzyme, were used for characterization of the apricot pectinesterase. the effect of various factors such as ph, temperature, heat, and storage stability on the partially purified apricot pe enzyme was investigated. optimum ph value wa ... | 2008 | 18800299 |
| self-compatibility of two apricot selections is associated with two pollen-part mutations of different nature. | loss of pollen-s function in prunus self-compatible mutants has recently been associated with deletions or insertions in s-haplotype-specific f-box (sfb) genes. we have studied two self-compatible cultivars of apricot (prunus armeniaca), currot (s(c)s(c)) and canino (s(2)s(c)), sharing the naturally occurring self-compatible (s(c))-haplotype. sequence analysis showed that whereas the s(c)-rnase is unaltered, a 358-bp insertion is found in the sfb(c) gene, resulting in the expression of a truncat ... | 2006 | 16920873 |
| detection and transcript expression of s-rnase gene associated with self-incompatibility in apricot (prunus armeniaca l.). | the identity and expression of s-rnase genotypes in the self-compatible (sc) apricot cultivar 'katy' and the self-incompatible (si) cultivar 'xinshiji' were examined. we used allele specific polymerase chain reaction (as-pcr) and designated the alleles in 'katy' and 'xinshiji' as s(8)sc and s(9)s(10), respectively. the s-rnase gene was expressed in style at the balloon stage in both genotypes. using real-time fluorescence quantification rt-pcr technology (fqrt-pcr), spatio-temporal expression pa ... | 2006 | 16850191 |
| characterization of the key aroma compounds in apricots (prunus armeniaca) by application of the molecular sensory science concept. | an aroma extract dilution analysis applied on an aroma distillate prepared from fresh apricots revealed (r)-gamma-decalactone, (e)-beta-damascenone, delta-decalactone, and (r/s)-linalool with the highest flavor dilution (fd) factors among the 26 odor-active compounds identified. on the basis of quantitative measurements performed by application of stable isotope dilution assays, followed by a calculation of odor activity values (oavs), beta-ionone, (z)-1,5-octadien-3-one, gamma-decalactone, (e,z ... | 2007 | 17530862 |
| characterization and quantitation of phenolic compounds in new apricot (prunus armeniaca l.) varieties. | thirty-seven apricot varieties, including four new releases (rojo pasión, murciana, selene, and dorada) obtained from different crosses between apricot varieties and three traditional spanish cultivars (currot, mauricio, and búlida), were separated according to flesh color into four groups: white, yellow, light orange, and orange (mean hue angles in flesh were 88.1, 85.0, 77.6, and 72.4, respectively). four phenolic compound groups, procyanidins, hydroxycinnamic acid derivatives, flavonols, and ... | 2005 | 16302775 |
| structural studies of a new acidic polysaccharide of apricot seeds. | this article reports the isolation and structural investigation of an acidic polysaccharide of the seeds of prunus armeniaca (apricot) - a plant of commercial importance. the polysaccharide is composed of three sugars - mannose (50%), glucose (37.5%) and glucuronic acid (12.5%). the results of methylation analysis, partial depolymerisation, smith degradation and nmr spectroscopic studies indicate a branched structure consisting of a straight chain of mainly alpha-(1 --> 3)mannan, which is inters ... | 2007 | 17497423 |
| postharvest changes in physicochemical properties and volatile constituents of apricot (prunus armeniaca l.). characterization of 28 cultivars. | to investigate the changes in physicochemical properties and volatile constituents in apricot during postharvest ripening, the volatile compounds of 28 apricot cultivars were investigated by means of liquid-liquid microextraction (llme), gc-fid, and gc-ms. fruits picked at their optimal harvestable stage of maturity were analyzed at harvest and after ripening at 20 degrees c under controlled conditions. soluble solids (ss), titratable acidity (ta), levels of sugars (saccharose, fructose, and glu ... | 2007 | 17373818 |
| identification of self-incompatibility genotypes of apricot (prunus armeniaca l.) by s-allele-specific pcr analysis. | a cdna of 417 bp encoding an s-rnase gene, named pa s3, was isolated from apricot, prunus aremeniaca. nine s-alleles, s1-s9, were recognized by s-allele-specific pcr and confirmed by southern blot analysis using pa s3 as probe. the s-genotypes of the six cultivars were determined and the results of self- and cross-pollination tests among the six cultivars were consistent with the predicted s-haplotypes by pcr analysis. | 2005 | 16158265 |
| genetic linkage maps of two apricot cultivars ( prunus armeniaca l.) compared with the almond texas x peach earlygold reference map for prunus. | several genetic linkage maps have been published in recent years on different prunus species suggesting a high level of resemblance among the genomes of these species. one of these maps (joobeur et al., theor appl genet 97:1034-1041 [(1998); aranzana et al., theor appl genet 106:819-825 (2002b)] constructed from interspecific almond texas x peach earlygold f(2) progeny (txe) was considered to be saturated. we selected 142 f(1) apricot hybrids obtained from a cross between p. armeniaca cvs. polon ... | 2004 | 15067399 |
| carotenoids from new apricot (prunus armeniaca l.) varieties and their relationship with flesh and skin color. | thirty-seven apricot varieties, including four new releases (rojo pasión, murciana, selene, and dorada) obtained from different crosses between apricot varieties and three traditional spanish cultivars (currot, mauricio, and búlida), were separated according to flesh color into four groups. the l*, a*, b*, hue angle, and chroma color measurements on the skin and flesh as well as other quality indices including flesh firmness, soluble solids, titratable acidity, and ph were plotted against the to ... | 2005 | 16076120 |
| the plant invertase inhibitor shares structural properties and disulfide bridges arrangement with the pectin methylesterase inhibitor. | attempts to purify the inhibitor of pectin methylesterase (pmei) from the soluble extract of ripe apricot (prunus armeniaca) fruit led to isolation of a protein (pa-inh) similar to pmei, but having invertase inhibitory activity against vacuolar invertase from tomato. the molecular charge, the native and sds-page molecular weights were similar to those of pmei. partial amino acid sequence indicated a high level of identity with invertase inhibitors and a significant identity with pmei. circular d ... | 2003 | 13678300 |
| construction and application of a bacterial artificial chromosome (bac) library of prunus armeniaca l. for the identification of clones linked to the self-incompatibility locus. | to facilitate gene discovery in the rosaceae, a bacterial artificial chromosome (bac) library was constructed using high-molecular-weight (hmw) dna from apricot leaves (prunus armeniaca l.). the library contains 101,376 clones (264, 384-well plates) with an average insert size of 64 kb, equivalent to 22-fold genome coverage. in the first application of this library, high-density filters were screened for self-incompatibility genes using apricot dna probes. eight positive bac clones were detected ... | 2003 | 12836013 |
| authenticity assessment of gamma- and delta-decalactone from prunus fruits by gas chromatography combustion/pyrolysis isotope ratio mass spectrometry (gc-c/p-irms). | authenticity assessment of gamma-decalactone (1) and delta-decalactone (2) from peach (prunus persica var. persica), apricot (prunus armeniaca), and nectarine (prunus persica var. nectarina) was performed using gas chromatography-isotope ratio mass spectrometry (gc-irms) in the combustion (c) and pyrolysis (p) mode. in addition, commercially available synthetic (nature-identical) 1 and 2 as well as biotechnologically produced samples (declared to be "natural") were characterized by their delta(2 ... | 2005 | 15969525 |
| consistency of polyphenol oxidase (ppo) thermostability in ripening apricots (prunus armeniaca l.): evidence for the presence of thermostable ppo forming and destabilizing mechanisms in apricots. | destabilization of thermostable polyphenol oxidase (ts-ppo) during the ripening of peaches has been previously shown (yemenicioğlu, a.; cemeroğlu, b. tr. j. agric. for. 1998, 22, 261-265). this work studied the effect of ripening on thermal stability of apricot ppo for three different cultivars. kabaaşi cultivar contained thermolabile ppo, whereas ts-ppo appeared in hacihaliloğlu and cataloğlu cultivars. the ts-ppo showed biphasic inactivation curves, and its d and z values between 60 and 90 deg ... | 2003 | 12670183 |
| proteome comparison following self- and across-pollination in self-incompatible apricot (prunus armeniaca l.). | the study compared the protein differences between self- and across-pollinated self-incompatible (si) apricots by two-dimensional gel electrophoresis and liquid chromatography-electrospray ion trap tandem mass spectrometry, the results showed that nine protein spots were expressed in self-pollinated pistil and only one was expressed in cross-pollinated pistils. sixteen and three protein spots were up- and down-regulated in cross-pollinated pistils, respectively, compared with self-pollinated pis ... | 2006 | 16947077 |
| residue levels and storage responses of nectarines, apricots, and peaches after dip treatments with fludioxonil fungicide mixtures. | mature apricots (prunus armeniaca), nectarines [prunus persica var. nectarine (ait.)], and peaches [p. persica (l.) batsch.] were subjected to a 2 min dip treatment with warm water at 48 degrees c or with fludioxonil (flu) at 100 mg l-1 and 20 degrees c or at 25 mg l-1 flu and 48 degrees c and then stored at 5 degrees c and 90-95% relative humidity (rh) for 1 week plus 1 additional week at 18 degrees c and approximately 80% rh. fruit residue uptake was determined as a function of fungicide conce ... | 2007 | 17263481 |
| analysis of the s-locus structure in prunus armeniaca l. identification of s-haplotype specific s-rnase and f-box genes. | the gametophytic self-incompatibility (gsi) system in rosaceae has been proposed to be controlled by two genes located in the s -locusan s-rnase and a recently described pollen expressed s -haplotype specific f-box gene (sfb). however, in apricot (prunus armeniaca l.) these genes had not been identified yet. we have sequenced 21 kb in total of the s -locus region in 3 different apricot s -haplotypes. these fragments contain genes homologous to the s-rnase and f-box genes found in other prunus sp ... | 2004 | 15604734 |
| early detection of graft incompatibility in apricot (prunus armeniaca) using in vitro techniques. | graft compatibility has been studied in vitro using callus tissues of apricot (prunus armeniaca) and different prunus rootstocks to form scion/rootstock combinations with different degrees of graft compatibility. in these species, incompatibility is manifested by a breakdown of the trees at the union area that can occur some years after grafting. here, the possibility of obtaining an early detection method to determine graft incompatibility is explored by callus fusion in vitro. the adhesion of ... | 2001 | 11319025 |
| the temperature-related photosynthetic capacity of plants under desert conditions : iii. ecological significance of the seasonal changes of the photosynthetic response to temperature. | as described earlier, the native arido-active perennial hammada scoparia and the cultivated prunus armeniaca exhibit characteristic seasonal shifts of their temperature optimum of net photosynthesis (op) under desert conditions in the negev. in the present paper the op values were compared with the actual tissue temperatures of the experimental plants.during the growing period from march to september the duration of optimal temperatures for net photosynthesis (op±3°c) experienced by the plants w ... | 1978 | 28309390 |
| ethylene regulation of carotenoid accumulation and carotenogenic gene expression in colour-contrasted apricot varieties (prunus armeniaca). | in order to elucidate the regulation mechanisms of carotenoid biosynthesis in apricot fruit (prunus armeniaca), carotenoid content and carotenogenic gene expression were analysed as a function of ethylene production in two colour-contrasted apricot varieties. fruits from goldrich (go) were orange, while moniqui (mo) fruits were white. biochemical analysis showed that go accumulated precursors of the uncoloured carotenoids, phytoene and phytofluene, and the coloured carotenoid, beta-carotene, whi ... | 2005 | 15911563 |
| water stress preconditioning to improve drought resistance in young apricot plants. | the effect of water stress preconditioning was studied in 1-year-old apricot plants (prunus armeniaca l., cv. búlida). plants were submitted to different treatments, t-0 (control treatment) and t-1, drip irrigated daily; t-2 and t-3, irrigated daily at 50% and 25% of t-0, respectively; t-4 and t-5, irrigated to field capacity every 3 and 6 days, respectively. after 30 days, irrigation was withheld for 10 days, maintaining the t-0 treatment irrigated daily. after this period, the plants were re-i ... | 2000 | 10936532 |
| two a-type proanthocyanidins from prunus armeniaca roots. | two a-type proanthocyanidins, ent-epiafzelechin-(4alpha-->8, 2alpha-->o-->7)-(-)-epicatechin and its isomer, ent-epiafzelechin-(4alpha-->8', 2alpha-->o-->7')-catechin, together with other known compounds, have been isolated from the roots of prunus armeniaca. the concerted use of one- and two-dimensional nmr methods (1h-(1)h cosy, hmqc, hmbc and noesy) allowed the identification of these compounds. | 2000 | 10844162 |
| [a preliminary study of two chinese herbs protective tablets on some chinese traditional medicines]. | the protective action of 2 tablets of chinese herb to 5 chinese traditional medicines against harm of insects and mildews was tested. it was found that 2 tablets have a obvious effects of insect-repellency and mouthproof in the test with homalomena occulta and prunus armeniaca, the bore in the medicinal materials was decreased 94.95% and 95.55% respectively than that of check. the tablets have some effects of mildewproof in the test with tussilago farfara. | 1999 | 12571894 |
| the genetic diversity of apulian apricot genotypes (prunus armeniaca l.) assessed using aflp markers. | apricot is an important crop in italy and, especially in southern regions, in the last five years numerous plantings using new cultivars and appropriate cultural management have been established. the cultivars available were created in different environments (usa, france, new zealand, etc), they then often show low adaptability to italian conditions. however, in the south of italy, it is still possible to safeguard and to exploit a considerable amount of the apricot genetic variation available i ... | 2002 | 12378246 |
| effects of exogenous propylene on softening, glycosidase, and pectinmethylesterase activity during postharvest ripening of apricots. | apricots (prunus armeniaca l. cv. boccuccia spinosa) picked at the commercial ripening stage [soluble solids content (ssc) 12.6%] were left to reach full ripening in continuously humidified air at 20 degrees c. changes in the rate of ethylene production, firmness, soluble solids concentration, and titratable acidity were measured. the alpha-d- and beta-d-glucosidases, alpha-l-arabinofuranosidase, alpha-d- and beta-d-galactosidases, beta-d-xylosidase, and alpha-d-mannosidase activities were assay ... | 2002 | 11879017 |
| determination of the primary structure of two lipid transfer proteins from apricot (prunus armeniaca). | it has been recently demonstrated that the major allergen of apricot is a protein of molecular mass (mr) 9000 belonging to the family of lipid transfer protein. the aim of this study was the determination of the primary structure of apricot ltp by micro-sequencing and mass spectrometric analyses. apricot ltp is a 91 amino acids protein like peach and almond ltps with a sequence identity of 91% and 94%, respectively. like for the peach ltp, out of the 25 amino acids forming the inner surface of t ... | 2001 | 11419703 |
| characterization and mapping of nbs-lrr resistance gene analogs in apricot (prunus armeniaca l.). | genomic dna sequences sharing homology with the nbs-lrr (nucleotide binding site-leucine-rich repeat) resistance genes were isolated and cloned from apricot (prunus armeniaca l.) using a pcr approach with degenerate primers designed from conserved regions of the nbs domain. restriction digestion and sequence analyses of the amplified fragments led to the identification of 43 unique amino acid sequences grouped into six families of resistance gene analogs (rgas). all of the rgas identified belong ... | 2005 | 15714329 |
| changes in the carotenoid content of apricot (prunus armeniaca, var bergeron) during enzymatic browning: β-carotene inhibition of chlorogenic acid degradation. | considering the numerous beneficial effects in human health ascribed to carotenoids, studies were performed to investigate the modification of carotenoid amount and composition during apricot enzymatic browning. first works on bruised apricot purees have shown a trans-β-carotene isomerisation (20%) induced by enzymatic browning. to clarify this isomerisation, oxidation of chlorogenic acid in presence of trans-β-carotene, catalysed by purified apricot polyphenoloxidase (ppo), was followed by hplc ... | 2000 | 29345797 |