Publications

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seasonally variable intestinal metagenomes of the red palm weevil (rhynchophorus ferrugineus).the intestinal microbes residing in the red palm weevil (rpw, rhynchophorus ferrugineus) larva consume tender interior fibrous tissues of date palm trunks. the understanding of such microbiota at molecular level provides vital clues for the biological control of this devastating pest. using pyrosequencing and shotgun strategy, we first study taxonomic profiles of the microbiota sampled at different months (march, july and november), and then confirm the impact of high-temperature stress on the m ...201324102776
piloting the use of indigenous methods to prevent nipah virus infection by interrupting bats' access to date palm sap in bangladesh.people in bangladesh frequently drink fresh date palm sap. fruit bats (pteropus giganteus) also drink raw sap and may contaminate the sap by shedding nipah virus through saliva and urine. in a previous study we identified two indigenous methods to prevent bats accessing the sap, bamboo skirts and lime (calcium carbonate). we conducted a pilot study to assess the acceptability of these two methods among sap harvesters. we used interactive community meetings and group discussions to encourage all ...201322669914
phoenix dactylifera l. spathe essential oil: chemical composition and repellent activity against the yellow fever mosquito.date palm, phoenix dactylifera l. (arecaceae), grows commonly in the arabian peninsula and is traditionally used to treat various diseases. the aim of the present study was to identify chemical composition of the essential oil and to investigate the repellent activity. the essential oil of p. dactylifera was obtained by hydrodistillation from the spathe, a specialized leaf structure that surrounds the pollinating organs of the palm. the oil was subsequently analyzed by gc-fid and gc-ms. the oil ...201323948523
use of mixture design to construct a consortium of date palm (phoenix dactylifera l.) fruit extract and potentially probiotic bacillus strain to confer protection against vibriosis in artemia culture.to find a biological control treatment applicable to shrimp hatcheries, the influence of the dietary administration of a consortium of two date palm (phoenix dactylifera l.) fruit extracts and potentially probiotic bacillus strain on artemia culture was studied. challenge tests were performed with virulent vibrio alginolyticus to assess the protective effects of deglet nour and degla fruit extracts alone or in conjunction with potentially probiotic bacillus strain.201323893402
medicinal uses of honey (quranic medicine) and its bee flora from dera ismail khan district, kpk, pakistan.this study was carried out during 2005-2008 to identify existing plant species visited by workers of honeybees for nectar and pollen collection in dera ismail khan (d.i.khan) district, pakistan. the honeybee species investigated in the area were, rock bee (apis dorsata f.), little bee (a. florea f.) and european honeybee (a. mellifera l.). a detailed list of 86 plant species both wild and cultivated was prepared, out of which 12 species, phulai (acacia modesta wall.), sarsoon (brassica campestri ...201323455201
the importance of acacia trees for insectivorous bats and arthropods in the arava desert.anthropogenic habitat modification often has a profound negative impact on the flora and fauna of an ecosystem. in parts of the middle east, ephemeral rivers (wadis) are characterised by stands of acacia trees. green, flourishing assemblages of these trees are in decline in several countries, most likely due to human-induced water stress and habitat changes. we examined the importance of healthy acacia stands for bats and their arthropod prey in comparison to other natural and artificial habitat ...201323441145
nipah virus infection outbreak with nosocomial and corpse-to-human transmission, bangladesh.active nipah virus encephalitis surveillance identified an encephalitis cluster and sporadic cases in faridpur, bangladesh, in january 2010. we identified 16 case-patients; 14 of these patients died. for 1 case-patient, the only known exposure was hugging a deceased patient with a probable case, while another case-patient's exposure involved preparing the same corpse for burial by removing oral secretions and anogenital excreta with a cloth and bare hands. among 7 persons with confirmed sporadic ...201323347678
risk levels of invasive fusarium oxysporum f. sp. in areas suitable for date palm (phoenix dactylifera) cultivation under various climate change projections.global climate model outputs involve uncertainties in prediction, which could be reduced by identifying agreements between the output results of different models, covering all assumptions included in each. fusarium oxysporum f.sp. is an invasive pathogen that poses risk to date palm cultivation, among other crops. therefore, in this study, the future distribution of invasive fusarium oxysporum f.sp., confirmed by csiro-mk3.0 (cs) and miroc-h (mr) gcms, was modeled and combined with the future di ...201324340100
occupational lung diseases among soldiers deployed to iraq and afghanistan.military personnel deployed to iraq and afghanistan, from 2004 to the present, has served in a setting of unique environmental conditions. among these are exposures to burning trash in open air "burn pits" lit on fire with jet fuel jp-8. depending on trash burned--water bottles, styrofoam trays, medical waste, unexploded munitions, and computers--toxins may be released such as dioxins and n-hexane and benzene. particulate matter air pollution culminates from these fires and fumes. additional env ...201324443711
biology and management of palm dynastid beetles: recent advances.coconut, oil, and date palms are important crops in the tropics and are attacked by dynastids that cause loss of production or death of hosts. knowledge of their breeding sites has been extended since a previous review in 1980. the fungus metarhizium anisopliae has potential as a biopesticide against immature stages in friable breeding sites. the molecular biology and ultrastructure of oryctes rhinoceros nudivirus (ornv), disseminated by adults, have been studied, and this pathogen can reduce o. ...201323317044
retained subretinal date palm tree thorn in a child.a 3-year-old boy presented with severe eye pain and nausea after colliding with a date palm tree branch. examination under anesthesia revealed a self-sealed corneal laceration and traumatic cataract in his left eye. cultures were taken and the patient received prophylactic subconjunctival, intravitreal, and systemic antibiotics because of the high risk of endophthalmitis. a thorn from the same tree grew bacillus cereus. examination after 2 weeks of the injury revealed a subretinal foreign body ( ...201324160979
nipah virus infection: current scenario.the emergence of nipah virus (niv) infection into the pig population and subsequently into the human population is believed to be due to changes in ecological conditions. in malaysia, a major niv outbreak occurred in pigs and humans from september 1998 to april 1999 that resulted in infection of 265 and death of 105 persons. about 1.1 million pigs had to be destroyed to control the outbreak. the disease was recorded in the form of a major outbreak in india in 2001 and then a small incidence in 2 ...201324426305
valorization of date palm (phoenix dactylifera) fruit processing by-products and wastes using bioprocess technology - review.the date palm phoenix dactylifera has played an important role in the day-to-day life of the people for the last 7000 years. today worldwide production, utilization and industrialization of dates are continuously increasing since date fruits have earned great importance in human nutrition owing to their rich content of essential nutrients. tons of date palm fruit wastes are discarded daily by the date processing industries leading to environmental problems. wastes such as date pits represent an ...201323961227
characterization and determination of lignin in different types of iraqi phoenix date palm pruning woods.this study aimed to find analytical data base for iraqi phoenix date palm pruning woods, which produced by pruning process at the season of date palm production. lignin has been extracted and purified for five types of iraqi date palm using klason lignin method. the weight of the extracted lignin ranged from 0.410 g to 0.720 g, and the lignin % ranged from 17.6 to 36. the other ingredients (waxes, oils, resin, and proteins of wood gums) % ranged from 20 to 29.5. ft-ir characterization showed tha ...201323811162
whole genome duplication events in plant evolution reconstructed and predicted using myosin motor proteins.the evolution of land plants is characterized by whole genome duplications (wgd), which drove species diversification and evolutionary novelties. detecting these events is especially difficult if they date back to the origin of the plant kingdom. established methods for reconstructing wgds include intra- and inter-genome comparisons, ks age distribution analyses, and phylogenetic tree constructions.201324053117
cultivation of oyster mushroom pleurotus ostreatus on date-palm leaves mixed with other agro-wastes in saudi arabia.promoting the use of agricultural waste is one of the newly prepared water and environment friendly agriculture strategies in the kingdom of saudi arabia (ksa). the objective of this research was to study the efficiency of cultivating oyster mushroom (pleurotus ostreatus) on date palm wastes mixed with other agricultural wastes available in ksa. four agricultural wastes were mixed with date palm leaves at different ratios, with two supplements and three spawn rates were used. wheat straw mixed w ...201425473372
influence of fresh date palm co-products on the ripening of a paprika added dry-cured sausage model system.date palm co-products are a source of bioactive compounds that could be used as a new ingredient for the meat industry. an intermediate food product (ifp) from date palm co-products (5%) was incorporated into a paprika added dry-cured sausage (pads) model system and was analysed for physicochemical parameters, lipid oxidation and sensory attributes during ripening. addition of 5% ifp yielded a product with physicochemical properties similar to the traditional one. instrumental colour differences ...201424576770
cloning, expression in e. coli and immunological characterization of par j 3.0201, a parietaria pollen profilin variant.parietaria judaica pollen is one of the main sources of allergens in the mediterranean area. its allergenic composition has been studied in detail showing the presence of two major allergens (par j 1 and par j 2) and two minor allergens belonging to the profilin and calcium binding protein families of allergens (par j 3 and par j 4, respectively). clinical reports support the hypothesis of a limited cross-reactivity between profilin from parietaria and unrelated sources. we screened a p. judaica ...201424172226
cold tolerance of the mediterranean fruit fly in date and mandarin.the mediterranean fruit fly, ceratitis capitata (wiedemann), is an endemic pest in israel and there can be low levels of infestation of dates (phoenix dactylifera l.). because c. capitata is considered a quarantine pest by several major importing countries, the export of fresh dates requires the elimination of this pest. for mandarin, cold storage at 1.11°c for 15 d is considered to be an effective treatment for the elimination of c. capitata. in this study, we compared the cold tolerance of c. ...201426309262
effect of dietary supplementation of probiotics and palm fruits extracts on the antioxidant enzyme gene expression in the mucosae of gilthead seabream (sparus aurata l.).antioxidant activity is particularly important, since oxidation is an unavoidable reaction in all living bodies. at present, natural antioxidants to be used on food as an alternative to synthetic ones are being sought. gilthead seabream (sparus aurata l.) specimens were fed for 4 weeks with diets enriched with bacterial probiotics (shewanella putrefaciens pdp11 and bacillus sp), single or in combination with tunisian dates palm fruit extracts. the expression of the main antioxidant enzyme genes ...201424952087
piloting the promotion of bamboo skirt barriers to prevent nipah virus transmission through date palm sap in bangladesh.drinking raw date palm sap contaminated with infected fruit bat saliva or urine is an important mode of nipah virus transmission to humans in bangladesh. bamboo skirts are an effective way to interrupt bat access to the sap. we conducted a study from november 2008 to march 2009 to explore the effectiveness of higher- and lower-intensity interventions by promoting bamboo skirt preparation and use among sap harvesters (gachhis). we spent 280 person-hours in two villages for the higher-intensity in ...201424755262
foodborne transmission of nipah virus in syrian hamsters.since 2001, outbreaks of nipah virus have occurred almost every year in bangladesh with high case-fatality rates. epidemiological data suggest that in bangladesh, nipah virus is transmitted from the natural reservoir, fruit bats, to humans via consumption of date palm sap contaminated by bats, with subsequent human-to-human transmission. to experimentally investigate this epidemiological association between drinking of date palm sap and human cases of nipah virus infection, we determined the via ...201424626480
phoenix dactylifera l. leaf extract phytosynthesized gold nanoparticles; controlled synthesis and catalytic activity.a green synthesis route was reported to explore the reducing and capping potential of phoenix dactylifera extract for the synthesis of gold nanoparticles. the processes of nucleation and growth of gold nanoparticles were followed by monitoring the absorption spectra during the reaction. the size and morphology of these nanoparticles was typically imaged using transmission electron microscopy (tem). the particle size ranged between 32 and 45 nm and are spherical in shape. fourier transform infrar ...201424247096
characteristics of starch-based biodegradable composites reinforced with date palm and flax fibers.the aim of this work is to study the behavior of completely biodegradable starch-based composites containing date palm fibers in the range from 20 to 80 wt%. hybrid composites containing date palm and flax fibers, 25 wt% each, were also examined. the composites were preheated and then hot pressed at 5 mpa and 160°c for 30 min. sem investigation showed strong adhesion between fibers and matrix. density measurements showed very small void fraction (less than 0.142%) for composites containing up to ...201424299743
comparison of the essential oil content and composition of the spathe, buds and pollen of phoenix dactylifera.several medicinal applications have been reported for different components of date palm. the inflorescence of the male date tree is composed of spathe that surrounds many buds containing pollen. in this study, a comparison between the content and composition of the essential oils obtained from these three components of an inflorescence was made. after obtaining each oil using hydro-distillation method, the oil yield was measured as the weight ratio of the oil to the distilled sample (w/w %) and ...201424279318
control of size and viscoelastic properties of nanofibrillated cellulose from palm tree by varying the tempo-mediated oxidation time.the main objective of the present study was to control and optimize the preparation of nanofibrillated cellulose (nfc) from the date palm tree by monitoring the oxidation time (degree of oxidation) of the pristine cellulose and the number of cycles through the homogenizer. the oxidation was monitored by tempo (1-oxo-2,2,6,6-tétraméthylpipyridine 1-oxyle) mediated oxidation. evidence of the successful isolation of nfc was given by fe-sem observation revealing fibrils with a width in the range 20- ...201424274481
characterization of ten date palm (phoenix dactylifera l.) cultivars from saudi arabia using aflp and issr markers.date palm is the most economically important plant in the middle east due to its nutritionally valuable fruit. the development of accurate dna fingerprints to characterize cultivars and the detection of genetic diversity are of great value for breeding programs. the present study explores the usefulness of issr and aflp molecular markers to detect relationships among 10 date palm (phoenix dactylifera l.) cultivars from saudi arabia. thirteen issr primers and six aflp primer combinations were exa ...201424439547
genetic characterization of libyan date palm resources by microsatellite markers.molecular typing of 377 female date palm trees belonging to 18 libyan cultivars and representing common genotypes in the central libyan oasis of al jufrah was performed using 16 highly polymorphic microsatellite or ssr loci. a total of 110 alleles with an average of 6.88 alleles per locus were scored indicating the high level of polymorphism existing among the cultivars thus allowing their genetic fingerprinting. moreover 28 alleles out of 110 were fixed. all the cultivars were characterized by ...201428324455
dynamic changes in the date palm fruit proteome during development and ripening.date palm (phoenix dactylifera) is an economically important fruit tree in the middle east and north africa and is characterized by large cultivar diversity, making it a good model for studies on fruit development and other important traits. here in gel comparative proteomics combined with tandem mass spectrometry were used to study date fruit development and ripening. total proteins were extracted using a phenol-based protocol. a total of 189 protein spots were differentially regulated (p≤0.05) ...201426504545
the impact of date palm fruits and their component polyphenols, on gut microbial ecology, bacterial metabolites and colon cancer cell proliferation.the fruit of the date palm (phoenix dactylifera l.) is a rich source of dietary fibre and polyphenols. we have investigated gut bacterial changes induced by the whole date fruit extract (digested date extract; dde) and its polyphenol-rich extract (date polyphenol extract; dpe) using faecal, ph-controlled, mixed batch cultures mimicking the distal part of the human large intestine, and utilising an array of microbial group-specific 16s rrna oligonucleotide probes. fluorescence microscopic enumera ...201426101614
physicochemical properties and mineral contents of seven different date fruit (phoenix dactylifera l.) varieties growing from saudi arabia.the date (phoenix dactylifera l.) fruits (soukari, soulag, barhi, khulas, rozaiz, soughi and monaif) were evaluated with respect to some physical and chemical properties. while crude protein contents of fruits change between 1.51% (soulag) to 2.41% (soughi), crude fibre contents ranged between 1.91% (soukari) to 3.90% (barhi). vitamin c contents of date samples changed between 971.82 mg/kg (soughi) to 1,453.15 mg/kg (barhi). antioxidant activity of date fruits ranged from 80.07 ic50 (soukari) to ...201424346347
oxidative damage and alterations in antioxidant enzyme activities in the kidneys of rat exposed to trichloroacetic acid: protective role of date palm fruit.in this study, we investigated the antioxidant and protective properties of date fruit aqueous extract (dfae) on trichloroacetic acid (tca)-induced nephrotoxicity in rat. oral administration of tca as drinking water (0.5 and 2 g/l) daily for 2 months caused nephrotoxicity as evident by elevated levels of plasma creatinine, urea, and uric acid. activity of antioxidant enzymes, catalase (cat) and glutathione peroxidase (gpx), was decreased, whereas superoxide dismutase (sod) activity and malondial ...201424338383
polyphenolic compounds in date fruit seed (phoenix dactylifera): characterisation and quantification by using uplc-dad-esi-ms.date fruit seeds have been demonstrated to possess high antioxidant activities due to their high content of flavonoids and phenolic compounds. the objective of this work was to identify and quantify the phenolic composition of date seeds.201424037711
a field study on solar-induced chlorophyll fluorescence and pigment parameters along a vertical canopy gradient of four tree species in an urban environment.to better understand the potential uses of vegetation indices based on the sun-induced upward and downward chlorophyll fluorescence at leaf and at canopy scales, a field study was carried out in the city of valencia (spain). fluorescence yield (fy) indices were derived for trees at different traffic intensity locations and at three canopy heights. this allowed investigating within-tree and between-tree variations of fy indices for four tree species. several fy indices showed a significant (p < 0 ...201423895782
comparative susceptibilities of different life stages of the red palm weevil (coleoptera: curculionidae) treated by entomopathogenic nematodes.the red palm weevil, rhynocophorus ferrugineus (olivier) (coleoptera: curculionidae) has become the most important pest of the date palm trees in the world. it has been reported in the kingdom of saudi arabia since 1987 and in egypt since 1992. studies were conducted to compare preferences among red palm weevil life stages for infection by 12 entomopathogenic nematodes (epns), under no choice and five stage choice experiments, and curative trials by some of epns isolates. all epn isolates proved ...201425195420
effect of potassium nitrate on antioxidants production of date palm (phoenix dactylifera l.) in vitro.antioxidants present in dates are necessary for all physiological processes of humans and animals. in saudi arabia date palm is a national fruit tree, produces millions of tons of dates for consumption and is considered a major source of antioxidants. the main aim of this study was to determine the role of potassium nitrate (kno3) in the formation of antioxidants from explants collected from date palm cultivars in al-ahsa oasis, kingdom of saudi arabia (ksa) and to monitor the extent of its effe ...201426027167
seasonal and nocturnal activities of the rhinoceros borer (coleoptera: scarabaeidae) in the north saharan oases ecosystems.the rhinoceros borer oryctes agamemnon burmeister (coleoptera: scarabaeidae) is a date palm insect pest that causes damage to trunk and roots of palm trees in several countries, including tunisia, the united arab emirates (uae), oman, and saudi arabia. the aim of this study was to monitor the seasonal and nocturnal activities of this beetle. experiments were performed on a date palm of rjim maatoug during a 6-yr period (2004-2007, 2009-2010). field survey using light traps shows that o. agamemno ...201425527574
dna barcoding for species identification in the palmae family.dna barcoding is a promising tool for species identification at the molecular level. the barcoding system is well established for species differentiation in animals, while it is less common in plants. we evaluated 2 barcoding regions, maturase k (matk) and ribulose bisphosphate carboxylase (rbcl), to compare species of palmae according to amplification success, discrimination power, and inter- and intra-specific divergence. both regions appear to have potential to discriminate most species of pa ...201425501246
antioxidant activity of various mauritanian date palm (phoenix dactylifera l.) fruits at two edible ripening stages.the increasing interest in plant phenolics and flavonoids outlined the necessity of determining their contents and biological activity in mauritanian date palm fruits. methanolic extracts of fruit of six date palm cultivars commonly grown in mauritania were screened for their antioxidant activity, total phenolics, and flavonoid content at two edible ripening stages. polyphenols and flavonoids were higher in theblah stage, corresponding tokhalal in the standard iraqi arabic nomenclature, compared ...201425493188
chemical composition, antioxidant capacity, and mineral extractability of sudanese date palm (phoenix dactylifera l.) fruits.the aim of the present work was to investigate the chemical composition, mineral extractability, and antioxidant capacity of six date palm varieties grown in sudan. the results showed that sudanese date varieties contained significantly different (p < 0.05) amounts of moisture, ash, fiber, oil, and carbohydrates, but have almost similar amounts of protein. moreover, results revealed that date varieties contained significantly varied (p < 0.05) amounts of total polyphenols and total flavonoids, w ...201425473506
effects of date palm pollen (phoenix dactylifera l.) and astragalus ovinus on sperm parameters and sex hormones in adult male rats.date palm pollen (dpp) and astragalus genus are used in some countries for the treatment of infertility.201425469129
koh-based porous carbon from date palm seed: preparation, characterization, and application to phenol adsorption.the date palm seed being one of the major forms of biomass produced from the date industry in uae, its potential to be an appropriate precursor for the preparation of porous carbon utilizing koh as an activating agent is assessed in the present work. the porous carbon is prepared at an activation temperature of 600 °c, impregnation ratio of 2, and activation duration of 1 hour, in an inert atmosphere using a conventional horizontal furnace. the resultant porous carbon has a brunauer-emmett-telle ...201425429451
two culture approaches used to determine the co-composting stages by assess of the total microflora changes during sewage sludge and date palm waste co-composting.indigenous microflora community changes during six months of co-composting of activated sewage sludge and date palm waste was investigated using two different culture approaches. in order to evaluate the co-composting process evolution for mixture a and b, growth standard media (gsm) and compost time extract agar (ctea) are used. enumeration for indigenous flora abundance on gsm medium shows that the colony-forming unit (cfu) total number was 100 fold higher than on ctea. the thermophilic phase ...201425419463
biology, predation, and life table of cydnoseius negevi and neoseiulus barkeri (acari: phytoseiidae) on the old world date mite, oligonychus afrasiaticus (acari: tetranychidae).the old world date mite, oligonychus afrasiaticus (mcgregor) (acari: tetranychidae) is a severe spider mite pest of date palm in most of the middle east and north africa. considering that nothing is known about the performance of phytoseiid predators against o. afrasiaticus, biology, predation, and life table parameters of cydnoseius negevi (swirski and amitai) and neoseiulus barkeri hughes (acari: phytoseiidae), collected from date palm orchards, were studied under laboratory conditions (25, 35 ...201425368087
effect of date palm coproducts and annatto extract on lipid oxidation and microbial quality in a pork liver pâté.dates are an interesting source of bioactive compounds, and coproducts from the date industry are of potential use in the manufacturing of meat products. in the present research, spreadable pork liver pâtés were made using fresh date coproducts (2.5% and 7.5%) as a potential functional ingredient and an ethanolic annatto extract (128 mg/kg) as colorant. the effect of these 2 ingredients on the lipid oxidation and microbial quality of the pâtés was assessed during 21 d of storage. the pâtés conta ...201425349917
chemical composition and antioxidant activity of seed oil of two algerian date palm cultivars (phoenix dactylifera).the fatty acid composition of date seed oil from two different date palm (phoenix dactylifera l.) cultivars, locally known as degla-baïdha and tafezouine, were investigated. gc analysis revealed the presence of five dominant fatty acids: oleic c18:1 (46.51; 39.15%), lauric c12:0 (22.1; 28.5%), myristic c14:0 (10.7; 11.4%), palmitic c16:0 (9.6; 8.7%) and linoleic c18:2 (6.9; 6.1%). the oils was characterised by a low content of tocopherols (0.53; 1.41 μg/g). the antioxidant activity of the oils w ...201425632483
nutritional assessment and antioxidant analysis of 22 date palm (phoenix dactylifera) varieties growing in sultanate of oman.to assess the nutritional values and antioxidant analysis of 22 varieties of date palm (phoenix dactylifera) fruit collected from various regions of the sultanate of oman.201425312188
in silico mining of microsatellites in coding sequences of the date palm (arecaceae) genome, characterization, and transferability. 201425202594
genetic transformation of date palm (phoenix dactylifera l. cv. 'estamaran') via particle bombardment.in this study, an efficient transformation system for gene delivery in date palm was established. the effects of different physical and biological parameters were optimized for transient transformation of uida gene in somatic embryos of estamaran cultivar. the tissues were bombarded with constructs harboring the uida gene driven by camv 35s or rice act1 promoter. efficiency of expression was estimated by comparison of the number of blue spots resulted from gus assay. optimal transient expression ...201425200434
study on life parameters of the invasive species octodonta nipae (coleoptera: chrysomelidae) on different palm species, under laboratory conditions.in southeastern china, the invasion of the nipa palm hispid octodonta nipae (maulik) (coleoptera: chrysomelidae) results in devastating damage to palms. host plants play an important role in the population increases and outbreaks of o. nipae. o. nipae could not complete its development on the majestic palm (ravenea rivularis jumelle & perrier), and females did not lay eggs on chinese fan palm (livistona chinensis r. brown). however, this insect species both completed development and laid eggs on ...201425195440
date palm pollen as a preventative intervention in radiation- and chemotherapy-induced oral mucositis: a pilot study.the objective of this study was to explore the effectiveness of date palm pollen (dpp) in the prevention and treatment of oral mucositis induced by radiation and chemotherapy.201425148841
tissue and cellular localization of tannins in tunisian dates (phoenix dactylifera l.) by light and transmission electron microscopy.a histological approach including light microscopy and transmission electron microscopy (tem) was used to provide accurate information on the localization of condensed tannins in the edible tissues and in the stone of date fruits (phoenix dactylifera l.). light microscopy was carried out on fresh tissues after staining by 4-dimethylaminocinnamaldehyde (dmaca) for a specific detection of condensed tannins. thus, whether under light microscopy or transmission electron microscopy (tem), results sho ...201424987926
a report on biocompounds from palm fossil of india.the occurrence of a large number of fossil woods having resemblance in anatomical features with the modern palm genus, phoenix l in deccan intertrappean fossil flora of maastrichtian-danian age (i. e. late cretaceous and earliest tertiary (65-67 my)) indicates the most primitive record of date palm. present discovery of biocompounds from fossil wood of phoenix collected from deccan intertrappean having affinity with the biocompounds known from modern plant further exemplify the earliest document ...201424966541
the protective effect of phoenix dactylifera l. seeds against ccl4-induced hepatotoxicity in rats.in traditional egyptian medicine, phoenix dactylifera l. (date palm) seeds are listed in folk remedies for the management of diabetes, liver diseases and gastrointestinal disorders. the present study was conducted to investigate the protective effect of phoenix dactylifera l. seeds aqueous suspension against the chemically-induced hepatic injury in rats.201424945397
determination and stereochemistry of proteinogenic and non-proteinogenic amino acids in saudi arabian date fruits.whereas an abundance of literature is available on the occurrence of common proteinogenic amino acids (aas) in edible fruits of the date palm (phoenix dactylifera l.), recent reports on non-proteinogenic (non-coded) aas and amino components are scarce. with emphasis on these components we have analyzed total hydrolysates of twelve cultivars of date fruits using automated ion-exchange chromatography, hplc employing a fluorescent aminoquinolyl label, and gc-ms of total hydrolysates using the chira ...201424938763
identification of pheromone synergists for rhynchophorus ferrugineus trapping systems from phoenix canariensis palm volatiles.trapping systems for the red palm weevil, rhynchophorus ferrugineus olivier, rely on the use of natural plant odor sources to boost the attractiveness of the aggregation pheromone. the identification of the key odorants involved in attraction is essential in the development of a synthetic pheromone synergist to replace the nonstandardized use of plant material in traps. canary islands date palms (phoenix canariensis) have become preferred hosts for r. ferrugineus in europe; thus, the volatile pr ...201424930773
review: ajwa date (phoenix dactylifera)- an emerging plant in pharmacological research.date fruits are consumed in arab areas for a long time as a part of essential diet. phoenix dactylifera belongs to family arecaceae and its leaves, barks, pits, fruits and pollens have anticancer, antioxidant, hepatoprotective, antidiabetic, antihypertensive, antiulcertavie, anti-inflammatory, antiproliferative, antimutagenic, antidiarheal, antibacterial, antifungal and antiviral potential. besides these, dates also increase level of estrogen, testosterone, rbcs, hb, pcv, reticulocytes and plate ...201424811825
r848, a toll-like receptors 7 and 8 agonist, a potential therapy for allergic rhinitis patients.there is a growing interest in the targeting of toll-like receptors (tlrs) for the treatment of allergic diseases. tlrs7/8 ligands are future candidates of therapeutic value in allergic rhinitis (ar). this study focus on tlrs7/8 ligand; resiquimod (r848) as an adjuvant to immunotherapy (it) in ar patient.201424773332
therapeutic effects of date fruits (phoenix dactylifera) in the prevention of diseases via modulation of anti-inflammatory, anti-oxidant and anti-tumour activity.the current mode of treatment of various diseases based on synthetic drugs is expensive, alters genetic and metabolic pathways and also shows adverse side effects. thus, safe and effective approach is needed to prevent the diseases development and progression. in this vista, natural products are good remedy in the treatment/management of diseases and they are affordable and effective without any adverse effects. dates are main fruit in the arabian peninsula and are considered to be one of the mo ...201424753740
a first genetic map of date palm (phoenix dactylifera) reveals long-range genome structure conservation in the palms.the date palm is one of the oldest cultivated fruit trees. it is critical in many ways to cultures in arid lands by providing highly nutritious fruit while surviving extreme heat and environmental conditions. despite its importance from antiquity, few genetic resources are available for improving the productivity and development of the dioecious date palm. to date there has been no genetic map and no sex chromosome has been identified.201424735434
phytochemicals in date co-products and their antioxidant activity.the date agro-industry needs to find appropriate techniques to give value to their co-products. this study analyzes twelve intermediate food products (ifps) from date co-products, medjool and confitera cv. at several ripening stages, blanched and unblanched, for their content in bioactive compounds (phenols, tannins, flavonoids, carotenoids and anthocyanins) and the antioxidant activity (aa). ifps from the more unripe stages had the highest aa and phytochemicals content, mainly phenols, up to 1. ...201424731377
sensitivity analysis of climex parameters in modeling potential distribution of phoenix dactylifera l.using climex and the taguchi method, a process-based niche model was developed to estimate potential distributions of phoenix dactylifera l. (date palm), an economically important crop in many counties. development of the model was based on both its native and invasive distribution and validation was carried out in terms of its extensive distribution in iran. to identify model parameters having greatest influence on distribution of date palm, a sensitivity analysis was carried out. changes in su ...201424722140
whole mitochondrial and plastid genome snp analysis of nine date palm cultivars reveals plastid heteroplasmy and close phylogenetic relationships among cultivars.date palm is a very important crop in western asia and northern africa, and it is the oldest domesticated fruit tree with archaeological records dating back 5000 years. the huge economic value of this crop has generated considerable interest in breeding programs to enhance production of dates. one of the major limitations of these efforts is the uncertainty regarding the number of date palm cultivars, which are currently based on fruit shape, size, color, and taste. whole mitochondrial and plast ...201424718264
chamaerops humilis l. var. argentea andré date palm seed oil: a potential dietetic plant product.chamaerops humilis l. var. argentea andré (c. humilis) date palm seeds are an underutilized source of vegetable oil, and no studies describing their physicochemical characteristics to indicate the potential uses of this seed or seed oil have been reported. the oil content of the seeds is about 10%, mainly composed of oleic acid (38.71%), lauric acid (21.27%), linoleic acid (15.15%), palmitic acid (9.96%), and stearic acid (7.17%). the tocol (tocopherols and tocotrienols) content is 74 mg/100 g, ...201424666023
the effect of date seed (phoenix dactylifera) extract on paraoxonase and arylesterase activities in hypercholesterolemic rats.paraoxonase 1 (pon1) is a high- density lipoprotein (hdl)-associated enzyme, displaying esterase and lactonase activity. the pon1 is involved in a variety of inflammatory diseases, metabolizing toxic oxidized lipids and detoxifying of organophosphorus insecticide compounds and nerve agents.201424644436
dna barcoding based on plastid matk and rna polymerase for assessing the genetic identity of date (phoenix dactylifera l.) cultivars.the cultivated date palm is the most agriculturally important species of the arecaceae family. the standard chloroplast dna barcode for land plants recommended by the consortium for the barcode of life plant working group needs to be evaluated for a wide range of plant species. therefore, we assessed the potential of the matk and rpoc1 markers for the authentication of date cultivars. there is not one universal method to authenticate date cultivars. in this study, 11 different date cultivars wer ...201424615105
effects of dates pulp extract and palm sap (phoenix dactylifera l.) on gastrointestinal transit activity in healthy rats.the current study was performed to measure the chemical composition and the effects of dates pulp extract and palm sap on gastrointestinal transit (git) activity in healthy adult rats. in this respect, male wistar rats fasted for 24 hours were used and received per orally (p.o.) sodium chloride (nacl) (0,9%) (control group) or various doses of dates pulp extract (150 and 300 mg/kg, body weight [b.w.]) and palm sap (0.4 and 4 ml/kg, b.w.). two other groups of rats (batch tests) received, respecti ...201424611963
aqueous date fruit extract protects against lipid peroxidation and improves antioxidant status in the liver of rats subchronically exposed to trichloroacetic acid.trichloroacetic acid (tca) is a prominent by-product of the chlorination of drinking water. it induces cell damage by producing free radicals and reactive oxygen species. the present study was carried out to evaluate the potential hepatoprotective role of the aqueous date extract (ade) against tca-induced liver injury. forty-eight male wistar rats were randomly divided into six groups of eight: group i served as the control; group ii was given ade by gavage; groups iii and iv received tca as dri ...201424573459
circadian release of male-specific components of the greater date moth, aphomia (arenipses) sabella, using sequential spme/gc/ms analysis.the greater date moth (gdm), aphomia sabella hampson (lepidoptera: pyralidae: galleriinae), is a serious pest of date palms, phoenix dactylifera. the release of volatiles from both males and females was investigated using sequential spme/gc/ms analysis. males release a complex mixture of compounds in a circadian rhythm during the night between 03:00 and 05:00 hr. six compounds were identified: benzaldehyde, sulcatol (6-methyl-5-hepten-2-ol), geranyl acetone [(e)-6,10-dimethyl-5,9-undecadien-2-on ...201424567046
phenotyping date palm varieties via leaflet cross-sectional imaging and artificial neural network application.true date palms (phoenix dactylifera l.) are impressive trees and have served as an indispensable source of food for mankind in tropical and subtropical countries for centuries. the aim of this study is to differentiate date palm tree varieties by analysing leaflet cross sections with technical/optical methods and artificial neural networks (ann).201424564551
characterization of novel intermediate food products from spanish date palm (phoenix dactylifera l., cv. confitera) co-products for industrial use.the nutritive, physicochemical and technological characteristics of several intermediate food products (ifps) from spanish confitera fresh date co-products were investigated. three ifps were obtained, two from unblanched dates in different ripening stages (khalal and rutab), and a third one from blanched khalal fruits. the ifps were rich in dietary fibre (13-16%, dry matter), phenolics (0.56-4.26g gae/100g dry matter) and sugars (55-82%, dry matter), with glucose and fructose as the predominant ...201424518342
effect of dietary supplementation of dates in alzheimer's disease appsw/2576 transgenic mice on oxidative stress and antioxidant status.oxidative stress may play a key role in alzheimer's disease (ad) neuropathology. changes in the oxidative stress, antioxidants, and membrane-bound enzymes were investigated in the cerebral cortex and hippocampus of ad transgenic mice model after long-term dietary supplementation of date palm fruits from oman. the 4-month-old mice with double swedish app mutation (appsw/tg2576) were purchased from taconic farm, ny, usa; mice were fed two different doses of dates (such as 4 and 2%) or control diet ...201524954036
phoenix dactylifera seeds ameliorate early diabetic complications in streptozotocin-induced diabetic rats.in arabic folk medicine, the seeds of phoenix dactylifera l. (arecaceae) have been used to manage diabetes for many years. few studies have reported the antidiabetic effect of p. dactylifera seeds; however, their effect on diabetic complications is still unexplored.201525612778
modeling the effects of climate on date palm scale (parlatoria blanchardi) population dynamics during different phenological stages of life history under hot arid conditions.the date palm scale (dps) parlatoria blanchardi is a serious pest due to the damage it inflicts on its host tree (phoenix dactylifera). to develop an effective control against dps in arid regions, it is essential to know its bio-ecology including population dynamics and climatic factors influencing the duration and timing of life history and also the densities of different phenological stages (crawlers, first and second instars nymphs, adult males, and adult females). monitoring of biological cy ...201525601782
proanthocyanidin-rich date seed extract protects against chemically induced hepatorenal toxicity.a hydroacetone extract was prepared from seeds of phoenix dactylifera l. var. khalas, which is an industrial by-product of date processing. the proanthocyanidin nature of the extract (coded as dtx) was characterized by phytochemical and nuclear magnetic resonance (nmr) analyses. the total phenol/proanthocyanidin content and antioxidant activity of dtx were estimated by folin-ciocalteu, vanillin-sulfuric acid, and 2,2-diphenyl-1-picrylhydrazyl (dpph) assays, respectively. the hepatorenal protecti ...201525569813
antioxidant potential of date (phoenix dactylifera l.) seed protein hydrolysates and carnosine in food and biological systems.date seed protein hydrolysates were evaluated for antioxidant activity as well as solubility and water-holding capacity in food and biological model systems. date seed protein hydrolysates as well as carnosine exhibited >80% of solubility over a ph range of 2-12. the hydrolysates and carnosine at 0.5% (w/w) were also found to be effective in enhancing water-holding capacity and cooking yield in a fish model system, which was nearly similar to sodium tripolyphosphate (stpp; 0.3%, w/w). incorporat ...201525553507
direct in vivo evidence of immense stem water exploitation in irrigated date palms.during the summer, evaporative demand at midday often exceeds the transport capacity of most desert plants. however, date palms maintain their ecological dominance with sustained and uniquely high rates of transpiration. this high rate of flow cannot be attributed to soil water supply alone. in order to quantify intra-plant water allocation in irrigated date palms, three water-sensing techniques have been incorporated: heat dissipation, gravimetric sampling, and time domain reflectrometry. each ...201525336690
a genome-wide survey of date palm cultivars supports two major subpopulations in phoenix dactylifera.the date palm (phoenix dactylifera l.) is one of the oldest cultivated trees and is intimately tied to the history of human civilization. there are hundreds of commercial cultivars with distinct fruit shapes, colors, and sizes growing mainly in arid lands from the west of north africa to india. the origin of date palm domestication is still uncertain, and few studies have attempted to document genetic diversity across multiple regions. we conducted genotyping-by-sequencing on 70 female cultivar ...201525957276
physico-chemical properties of biodiesel manufactured from waste frying oil using domestic adsorbents.we have evaluated the efficiency of sugar cane bagasse ash (scba), date palm seed carbon (dpsc), and rice husk ash (rha) as natural adsorbents and compared them with the synthetic adsorbent magnesol xl for improving the quality of waste frying oil (wfo) and for the impact on the physicochemical properties of the obtained biodiesel. we measured moisture content, refractive index (ri), density, acid value (av), iodine value (iv), peroxide value (pv), and saponification value (sv), as well as fatty ...201527877789
identification of the aggregation pheromone of the date palm root borer oryctes agamemnon.laboratory and field investigations aimed to characterize the chemical communication system of the date palm pest oryctes agamemnon. live males or extracts of male effluvia attracted conspecifics in an olfactometer, whereas female effluvia attracted only males. volatile emissions from adults feeding on sugarcane were sampled and analysed by gas chromatography (gc) and gc/mass spectrometry (gc/ms). males emitted a blend of 1) ethyl 4-methyloctanoate, 2) 4-methyloctanoic acid, 3) 4-methyloctanyl a ...201525900246
physico-chemical characteristics of oil produced from seeds of some date palm cultivars (phoenix dactylifera l.) .the oil content of saturated and unsaturated fatty acids with some physico-chemical properties and nutrients were investigated in oil produced from seeds of six important date palm cultivars and one seed strain present in saudi arabia. the results indicated that the oil extracted from six seed cultivars of date palm ranged from 6.73-10.89% w/w oil. the refractive index of date seeds oil was found to be between 1.4574 to 1.4615. the iodine values, acid values and saponification values were in the ...201525895270
genetic diversity of qatari date palm using ssr markers.the genetic diversity in the date palm germplasm of 59 female accessions representing 12 cultivars from different locations in qatar was investigated using 14 loci of simple-sequence repeat (ssr) primers. a total of 94 alleles, with a mean of 6.7 alleles per locus, were scored. the number of alleles per locus varied from 3 (primer mpdcir090) to 11 (primers mpdcir010 and mpdcir015). the amplified ssr band sizes ranged from 104 to 330 bp. the mean gene diversity was 0.66 and ranged from 0.39 (locu ...201525867305
determination of sucrose in date fruits (phoenix dactylifera l.) growing in the sultanate of oman by nir spectroscopy and multivariate calibration.a near infrared (nir) spectroscopic method combined with multivariate calibration was developed for the determination of the amount of sucrose in date fruits growing in the sultanate of oman. in this study two groups of samples were used: one group of 48 sucrose standard solutions in the concentration range from 0.01% to 50% (w/v) and another group of 54 date fruit samples of 18 different varieties. the sucrose standard samples were split in two sets, i.e. one training set of 31 samples and one ...201526048559
salt tolerance research in date palm tree (phoenix dactylifera l.), past, present, and future perspectives.the date palm can adapt to extreme drought, to heat, and to relatively high levels of soil salinity. however, excessive amounts of salt due to irrigation with brackish water lead to a significant reduction in the productivity of the fruits as well as marked decrease in the viable numbers of the date palm trees. it is imperative that the nature of the existing salt-adaptation mechanism be understood in order to develop future date palm varieties that can tolerate excessive soil salinity. in this ...201526042137
tunisian date (phoenix dactylifera l.) by-products: characterization and potential effects on sensory, textural and antioxidant properties of dairy desserts.three tunisian date varieties, deglet nour, kentichi and allig, served to produce syrups and powders, which were then examined for their physico-chemical composition and antioxidant properties. different proportions of these sweetening-like agents were incorporated to produce nine different formulations of dairy desserts, with lower amount of added sugars to avoid any artificial flavoring or coloring agents. sensory and color evaluation data revealed that incorporating deglet nour and kentichi s ...201526041157
oasis desert farming selects environment-specific date palm root endophytic communities and cultivable bacteria that promote resistance to drought.oases are desert-farming agro-ecosystems, where date palm (phoenix dactylifera l.) plays a keystone role in offsetting the effects of drought and maintaining a suitable microclimate for agriculture. at present, abundance, diversity and plant growth promotion (pgp) of date palm root-associated bacteria remain unknown. considering the environmental pressure determined by the water scarcity in the desert environments, we hypothesized that bacteria associated with date palm roots improve plant resis ...201526033617
production of date palm fruits free of acaricides residues by ozone technology as post-harvest treatment.distilled water and ozonated water as postharvest wash treatments for 15-60 min as dipping times were tested to remove two acaricides namely, dicofol and amitraz from different varieties of date fruits. recovered amount of the acaricides was extracted using solid phase extraction (spe) and then analyzed by gas chromatography-mass spectrometry (gc-ms). dicofol removal percentages in the presence of ozone increased in the order of nabtet aly > nabout seif > khalas > sakay, while amitraz removal in ...201526028713
effect of phoenix dactyliferia (date palm) pit powder on nicotine induced spermatotoxicty in adult albino mice.to study the effect of phoenix dactyliferia pit powder on nicotine-induced spermatotoxicty in adult albino mice.201525831673
date canning: a new approach for the long time preservation of date.dramatic growth in date (phoenix dactylifera l.) production, makes it clear to apply proper methods to preserve this nutritious fruit for a long time. numerous methods have been used to gain this goal in recent years that can be classified into non-thermal (fumigation, ozonation, irradiation, and packaging) and thermal (heat treatment, cold storage, dehydration, jam etc.) processing methods. in this paper these methods were reviewed and novel methods for date preservation were presented.201525829568
bio-based polyurethane reinforced with cellulose nanofibers: a comprehensive investigation on the effect of interface.novel bio-based polyurethane (pu) nanocomposites composed of cellulose nanofiller extracted from the rachis of date palm tree and polycaprolactone (pcl) diol based pu were prepared by casting/evaporation. two types of nanofiber were used: cellulose nanofibrils (cnfs) and cellulose nanocrystals (cncs). the mechanical and thermal properties of the nanocomposite films were studied by dma, dsc, and tensile tests and the morphology was investigated by sem. bionanocomposites presented good mechanical ...201525817660
antioxidant and antiatherogenic properties of phenolic acid and flavonol fractions of fruits of 'amari' and 'hallawi' date (phoenix dactylifera l.) varieties.date (phoenix dactylifera l.) fruit phenolic-acid or flavonol fractions were examined in vitro for antioxidant and antiatherogenic properties. two fractions of each subgroup were prepared from two date varieties, 'amari' and 'hallawi', by solid phase extraction on c18. the fractions were analyzed for phenolics composition by rp-hplc and tested for ferric-reducing antioxidant power, free radical scavenging capacity, inhibition of cu(2+)-induced ldl oxidation, and enhancement of hdl-mediated chole ...201525765921
study of phenolic compound and antioxidant activity of date fruit as a function of ripening stages and drying process.edible parts of two varieties of date palm (mazfati and kalute varieties) (phoenix dactylifera) fruits (dpf) from iran were analyzed to determine their phenolic compound and antioxidant activities (aa). antioxidant activity evaluated using typical methods such as 2, 2-diphenyl-1-picrylhydrazyl (dpph), reducing power and total antioxidant method. the total phenolic content (tpc) of the dpf was measured using folin-ciocalteau method. the samples used in this study included samples were gathered at ...201525745262
a simplified protocol to induce callogenesis in protoplasts of date palm (phoenix dactylifera l.) cultivars.in algeria, date palm is currently confronted to the bayoud disease. biotechnological tools such as protoplastsfusion can appear as an alternative to ensure rapid multiplication and improvement of this species.201528959278
effect of date (phoenix dactylifera l.) seed extract on stability of olive oil.in this study, the antioxidant effect of date (phoenix dactylifera l., arecaceae) seed extracts at different concentrations (0.5 %, 1.0 % and 1.5 %) on the oxidative stability of olive oil at 60 °c was determined. butylated hydroxyanisole (bha) was used as positive control in the experiment. all extracts exhibited antioxidant activity compared to bha up to 21 days. when antioxidant effect of extract concentrations were compared with bha, the effect of 0.5 % extract concentration was more remarka ...201525694743
profiling microrna expression during multi-staged date palm (phoenix dactylifera l.) fruit development.micrornas (mirnas) play crucial roles in multiple stages of plant development and regulate gene expression at posttranscriptional and translational levels. in this study, we first identified 238 conserved mirnas in date palm (phoenix dactylifera) based on a high-quality genome assembly and defined 78 fruit-development-associated (fda) mirnas, whose expression profiles are variable at different fruit development stages. using experimental data, we subsequently detected 276 novel p. dactylifera-sp ...201525638647
effect of palm pollen on sperm parameters of infertile man.there is a rapidly growing trend in the consumption of herbal remedies in the developing countries. the aim of this study was to determine the effects of orally administered date palm pollen (dpp) on the results of semen analysis in adult infertile men. forty infertile men participated in our study. they were treated by pollen powder 120 mg kg(-1) in gelatinous capsules every other day, for two months. before and at the end of therapy, the semen was collected after masturbation and sperm numbers ...201526506651
how far can the red palm weevil (coleoptera: curculionidae) fly?: computerized flight mill studies with field-captured weevils.adult rhynchophorus ferrugineus (olivier) captured in pheromone-baited traps in commercial date palm orchards in the al ahsaa directorate, kingdom of saudi arabia, were used in computerized flight mill studies to determine the flight characteristics of this highly invasive and destructive palm pest. flight mill studies were run at three different time periods, winter (december), spring (march), and summer (may). of the 192 weevils tethered to flight mills ∼30% failed to fly > 1 km. of those weev ...201526470385
influence of different drying treatments and extraction solvents on the metabolite profile and nitric oxide inhibitory activity of ajwa dates.this study aimed to examine the variation in the metabolite profiles and nitric oxide (no) inhibitory activity of ajwa dates that were subjected to 2 drying treatments and different extraction solvents. (1)h nmr coupled with multivariate data analysis was employed. a griess assay was used to determine the inhibition of the production of no in raw 264.7 cells treated with lps and interferon-γ. the oven dried (od) samples demonstrated the absence of asparagine and ascorbic acid as compared to the ...201526457883
a genome-wide identification of the mirnaome in response to salinity stress in date palm (phoenix dactylifera l.).although date palm is relatively salt-tolerant, little is known about the underlying molecular mechanisms that contribute to its salt tolerance. only recently, investigators have uncovered microrna-mediated post-transcriptional gene regulation, which is critical for typical plant development and adaptation to stress conditions such as salinity. to identify conserved and novel mirnas in date palm and to characterize mirnas that could play a role in salt tolerance, we have generated srna libraries ...201526594218
impact of palm date consumption on microbiota growth and large intestinal health: a randomised, controlled, cross-over, human intervention study.the reported inverse association between the intake of plant-based foods and a reduction in the prevalence of colorectal cancer may be partly mediated by interactions between insoluble fibre and (poly)phenols and the intestinal microbiota. in the present study, we assessed the impact of palm date consumption, rich in both polyphenols and fibre, on the growth of colonic microbiota and markers of colon cancer risk in a randomised, controlled, cross-over human intervention study. a total of twenty- ...201526428278
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