| phylogeography of pink pineapple mealybugs, dysmicoccus brevipes (cockerell) reveals the history of pineapple introduction and cultivation in china. | the pink pineapple mealybug (ppm), dysmicoccus brevipes (cockerell) (hemiptera: pseudococcidae), is a widespread plant-sucking insect of considerable concern because it transmits the pineapple mealybug wilt-associated virus. its distribution is closely linked with its host, the pineapple [ananas comosus (l.) merrill] because of its wingless and parthenogenetic characteristics. to investigate the history of d. brevipes introduction and the cultivation of pineapple in china, samples of d. brevipes ... | 2015 | 26345923 |
| kinetics studies with fruit bromelain (ananas comosus) in the presence of cysteine and divalent ions. | the kinetics of cysteine and divalent ion modulation viz. ca(2+), cu(2+), hg(2+) of fruit bromelain (ec 3.4.22.33) have been investigated in the present study. kinetic studies revealed that at ph 4.5, cysteine induced v-type activation of bromelain catalyzed gelatin hydrolysis. at ph 3.5, ca(2+) inhibited the enzyme noncompetitively, whereas, both k-and v-type activations of bromelain were observed in the presence of 0.5 mm ca(2+) at ph 4.5 and 7.5. bromelain was inhibited competitively at 0.6 m ... | 2015 | 26345013 |
| molecularly imprinted calixarene fiber for solid-phase microextraction of four organophosphorous pesticides in fruits. | calixarene was used as a functional monomer to fabricate a molecularly imprinted polymer (mip) by sol-gel technique for solid-phase microextraction (spme) of parathion-methyl and its structural analogs. the mip-coated fiber possessed excellent thermal and chemical stability as well as high extraction capacity. its selectivity and possible recognition mechanism were investigated. the similarities in molecular shape and functional group play a key role in the selective recognition of the imprinted ... | 2016 | 26304345 |
| evaluating agro-industrial by-products as dietary roughage source on growth performance of fattening steers. | silages from pineapple peel, sweet corn husk and cob mixed with bagasse and vinasse were evaluated to determine their chemical composition and fermentation characteristics as well as feeding performance in fattening steers. the experiment, which lasted 90 days, involved 48 fattening steers (264 ± 37.4 kg bw) randomly allocated to three diets. treatments included: a control diet containing rice straw and molasses (t1); diet containing bagasse-vinasse mixture including sweet corn husk and cob sila ... | 2015 | 26288562 |
| poly(n-isopropylacrylamide)-co-acrylamide hydrogels for the controlled release of bromelain from agroindustrial residues of ananas comosus. | this works reports the purification of bromelain extracted from ananas comosus industrial residues by ethanol purification, its partial characterization from the crude extract as well as the ethanol purified enzyme, and its application onto poly(n-isopropylacrylamide)-co-acrylamide hydrogels. bromelain was recovered within the 30-70 % ethanol fraction, which achieved a purification factor of 3.12-fold, and yielded more than 90 % of its initial activity. the resulting purified bromelain contained ... | 2015 | 26287766 |
| complete chloroplast genome sequence of md-2 pineapple and its comparative analysis among nine other plants from the subclass commelinidae. | pineapple (ananas comosus var. comosus) is known as the king of fruits for its crown and is the third most important tropical fruit after banana and citrus. the plant, which is indigenous to south america, is the most important species in the bromeliaceae family and is largely traded for fresh fruit consumption. here, we report the complete chloroplast sequence of the md-2 pineapple that was sequenced using the pacbio sequencing technology. | 2015 | 26264372 |
| second generation bioethanol potential from selected malaysia's biodiversity biomasses: a review. | rising global temperature, worsening air quality and drastic declining of fossil fuel reserve are the inevitable phenomena from the disorganized energy management. bioethanol is believed to clear out the effects as being an energy-derivable product sourced from renewable organic sources. second generation bioethanol interests many researches from its unique source of inedible biomass, and this paper presents the potential of several selected biomasses from malaysia case. as one of countries with ... | 2016 | 26253329 |
| [efficacy of rebamipide gargle against chemotherapy-induced oral mucositis]. | chemotherapy-induced oral mucositis (ciom) is a severe adverse event resulting from cancer chemotherapy. toxic free radicals and pro-inflammatory cytokines produced by anticancer drugs have been reported to be associated with ciom. rebamipide has been shown to increase gastric endogenous prostaglandin e2 and i2, to promote gastric epithelial mucin, and to behave as an oxygen free-radical scavenger in addition to other anti-inflammatory actions. we developed a gargle solution of rebamipide, addin ... | 2015 | 26234350 |
| the energetic characterization of pineapple crown leaves. | energetic characterization of biomass allows for assessing its energy potential for application in different conversion processes into energy. the objective of this study is to physicochemically characterize pineapple crown leaves (pc) for their application in energy conversion processes. pc was characterized according to astm e871-82, e1755-01, and e873-82 for determination of moisture, ash, and volatile matter, respectively; the fixed carbon was calculated by difference. higher heating value w ... | 2015 | 26233737 |
| response surface optimization of process parameters and fuzzy analysis of sensory data of high pressure-temperature treated pineapple puree. | the high-pressure processing conditions were optimized for pineapple puree within the domain of 400-600 mpa, 40-60 °c, and 10-20 min using the response surface methodology (rsm). the target was to maximize the inactivation of polyphenoloxidase (ppo) along with a minimal loss in beneficial bromelain (brm) activity, ascorbic acid (aa) content, antioxidant capacity, and color in the sample. the optimum condition was 600 mpa, 50 °c, and 13 min, having the highest desirability of 0.604, which resulte ... | 2015 | 26220205 |
| studies into the phenolic patterns of different tissues of pineapple (ananas comosus [l.] merr.) infructescence by hplc-dad-esi-ms (n) and gc-ms analysis. | in a comprehensive study, more than 60 phenolic compounds were detected in methanolic extracts from different tissues of pineapple infructescence by high-performance liquid chromatography with diode array detection and electrospray ionisation multiple-stage mass spectrometry (hplc-dad-esi-ms (n) ) as well as by gas chromatography-mass spectrometry (gc-ms). the analytical workflow combining both methods revealed numerous compounds assigned for the first time as pineapple constituents by their mas ... | 2015 | 26215283 |
| empirical model based on weibull distribution describing the destruction kinetics of natural microbiota in pineapple (ananas comosus l.) puree during high-pressure processing. | high pressure inactivation of natural microbiota viz. aerobic mesophiles (am), psychrotrophs (pc), yeasts and molds (ym), total coliforms (tc) and lactic acid bacteria (lab) in pineapple puree was studied within the experimental domain of 0.1-600 mpa and 30-50 °c with a treatment time up to 20 min. a complete destruction of yeasts and molds was obtained at 500 mpa/50 °c/15 min; whereas no counts were detected for tc and lab at 300 mpa/30 °c/15 min. a maximum of two log cycle reductions was obtai ... | 2015 | 26202323 |
| a comparative study on the effect of conventional thermal pasteurisation, microwave and ultrasound treatments on the antioxidant activity of five fruit juices. | a comparative study on the effect of conventional thermal pasteurisation, microwave and ultrasound treatments on the phytochemical and antioxidant activities of juices from carambola (averrhoa carambola l.), black jamun (syzygium cumuni l.skeels.), watermelon (citrullus lanatus var lanatus), pineapple (ananas comosus l. merr) and litchi (litchi chinensis sonn.) was carried out. depending on the type of fruit sample and treatment, increase or decrease in phytochemical values was observed. overall ... | 2016 | 26190045 |
| interaction of polyphenol oxidase of solanum tuberosum with β-cyclodextrin: process details and applications. | polysaccharides differing in structure and chemical nature were screened for their ability to bind non-covalently with polyphenol oxidase (ppo) from potato (as a model) and their effect on enzyme activity. all the polysaccharides selected inhibited the ppo but β-cyclodextrin showed maximum inhibition under optimum conditions. process details for the inhibition of ppo were studied with respect to concentration of β-cyclodextrin, temperature, ph, and time. higher inhibition constant and lower half ... | 2015 | 26187193 |
| cost-effective defined medium for the production of polyhydroxyalkanoates using agricultural raw materials. | according to the cost of carbon substrate for producing biopolymer of polyhydroxyalkanoates (phas) still has a barrier to extend in an industrial scale. the aim of this work was to evaluate the defined phas media containing the agricultural raw materials of pineapple and sugarcane to produce phas by bacillus strain. batch fermentation was carried out in flask scale to compare the efficiency of defined media using statistical methodology. the defined medium 8 of pineapple was achieved the highest ... | 2015 | 26185927 |
| leaf margin phenotype-specific restriction-site-associated dna-derived markers for pineapple (ananas comosus l.). | to explore genome-wide dna polymorphisms and identify dna markers for leaf margin phenotypes, a restriction-site-associated dna sequencing analysis was employed to analyze three bulked dnas of f1 progeny from a cross between a 'piping-leaf-type' cultivar, 'yugafu', and a 'spiny-tip-leaf-type' variety, 'yonekura'. the parents were both ananas comosus var. comosus. from the analysis, piping-leaf and spiny-tip-leaf gene-specific restriction-site-associated dna sequencing tags were obtained and desi ... | 2015 | 26175625 |
| diagnosis of gastroesophageal reflux disease using real-time magnetic resonance imaging. | a small angle (his angle) between the oesophagus and the fundus of the stomach is considered to act as flap valve and anti-reflux barrier. a wide angle results in dysfunction of the oesophagogastric junction and subsequently in gastroesophageal reflux disease (gerd). here, we used real-time magnetic resonance imaging (mri) at 50 ms resolution (20 frames per second) in 12 volunteers and 12 patients with gerd to assess transport of pineapple juice through the oesophagogastric junction and reflux d ... | 2015 | 26175205 |
| use of pressure for improving storage quality of fresh-cut produce. | the microflora of fresh-cut produce is comprised primarily of phytopathogenic and soilborne organisms, but the product could be contaminated with foodborne pathogens. populations of bacteria, molds, and yeasts associated with fresh-cut produce decreased to non-detectable levels following a high pressure (hp) treatment of 400 mpa for 10 min at room temperature, except for spore-forming bacteria such as bacillus spp. which were inactivated when subjected to 600 mpa at 60 °c for 10 min. the hp trea ... | 2015 | 26174398 |
| discovery of precursor and mature micrornas and their putative gene targets using high-throughput sequencing in pineapple (ananas comosus var. comosus). | micrornas (mirnas) are a class of small, endogenous non-coding rnas that negatively regulate gene expression, resulting in the silencing of target mrna transcripts through mrna cleavage or translational inhibition. mirnas play significant roles in various biological and physiological processes in plants. however, the mirna-mediated gene regulatory network in pineapple, the model tropical non-climacteric fruit, remains largely unexplored. here, we report a complete list of pineapple mature mirnas ... | 2015 | 26115767 |
| toward systems-level analysis of agricultural production from crassulacean acid metabolism (cam): scaling from cell to commercial production. | systems-level analyses have become prominent tools for assessing the yield, viability, economic consequences and environmental impacts of agricultural production. such analyses are well-developed for many commodity crops that are used for food and biofuel, but have not been developed for agricultural production systems based on drought-tolerant plants that use crassulacean acid metabolism (cam). we review the components of systems-level evaluations, and identify the information available for com ... | 2015 | 26094655 |
| quality control of fruit juices by using organic acids determined by capillary zone electrophoresis with poly(vinyl alcohol)-coated bubble cell capillaries. | an enhanced method for the determination of organic acids in several fruit juices by capillary zone electrophoresis (cze) with direct uv-vis detection has been developed in this work. first, a study with simulated real juice samples was done to find the best separation conditions. next, several commercial fruit juices were analyzed, and the organic acid contents were quantified in less than 12 min using a poly(vinyl alcohol)-coated fused-silica 'bubble cell' capillary. the present method is reli ... | 2015 | 26041236 |
| efficacy of reverse micellar extracted fruit bromelain in meat tenderization. | reverse micellar extraction (rme) was used for the separation and purification of bromelain from pineapple core and efficacy of rme purified bromelain (rmeb) in tenderization of beef meat was compared with that of commercial stem bromelain (csb). rme resulted in reasonably high bromelain activity recovery (85.0 %) and purification fold (4.0). reduction in meat toughness was higher in rmeb treated meat (52.1 %) compared to raw (control) and csb treated (26.7 %). significant increase in water hold ... | 2015 | 26028772 |
| postharvest exogenous application of abscisic acid reduces internal browning in pineapple. | internal browning (ib) is a postharvest physiological disorder causing economic losses in pineapple, but there is no effective control measure. in this study, postharvest application of 380 μm abscisic acid (aba) reduced ib incidence by 23.4-86.3% and maintained quality in pineapple fruit. aba reduced phenolic contents and polyphenol oxidase and phenylalanine ammonia lyase activities; increased catalase and peroxidase activities; and decreased o2(·-), h2o2, and malondialdehyde levels. this sugge ... | 2015 | 26007196 |
| fruit peels support higher yield and superior quality bacterial cellulose production. | fruit peels, also known as rinds or skins, are wastes readily available in large quantities. here, we have used pineapple (pa) and watermelon (wm) peels as substrates in the culture media (containing 5 % sucrose and 0.7 % ammonium sulfate) for production of bacterial cellulose (bc). the bacterial culture used in the study, komagataeibacter hansenii produced bc under static conditions as a pellicle at the air-liquid interface in standard hestrin and schramm (hs) medium. the yield obtained was ~3. ... | 2015 | 25957154 |
| application of an aqueous two-phase micellar system to extract bromelain from pineapple (ananas comosus) peel waste and analysis of bromelain stability in cosmetic formulations. | bromelain is a set of proteolytic enzymes found in pineapple (ananas comosus) tissues such as stem, fruit and leaves. because of its proteolytic activity, bromelain has potential applications in the cosmetic, pharmaceutical, and food industries. the present study focused on the recovery of bromelain from pineapple peel by liquid-liquid extraction in aqueous two-phase micellar systems (atpms), using triton x-114 (tx-114) and mcilvaine buffer, in the absence and presence of electrolytes cacl2 and ... | 2015 | 25919128 |
| selective pruning in pineapple plants as means to reduce heterogeneity in fruit quality. | heterogeneity in fruit quality (size and taste) is a major problem in pineapple production chains. the possibilities were investigated of reducing the heterogeneity in pineapple in the field by pruning slips on selected plants, in order to promote the fruit growth on these plants. slips are side shoots that develop just below the pineapple fruit during fruit development. two on-farm experiments were carried out in commercial fields in benin with a cultivar locally known as sugarloaf, to determin ... | 2015 | 25853027 |
| experience shapes our odor perception but depends on the initial perceptual processing of the stimulus. | the questions of whether configural and elemental perceptions are competitive or exclusive perceptual processes and whether they rely on independent or dependent mechanisms are poorly understood. to examine these questions, we modified perceptual experience through preexposure to mixed or single odors and measured the resulting variation in the levels of configural and elemental perception of target odor mixtures. we used target mixtures that were spontaneously processed in a configural or an el ... | 2015 | 25832188 |
| electrodialytic removal of nitrate from pineapple juice: effect on selected physicochemical properties, amino acids, and aroma components of the juice. | this study aimed at investigating the effect of nitrate removal from pineapple juice by electrodialysis (ed) on selected properties of the ed-treated juice. single-strength pineapple juice with reduced pulp content was treated by ed to reduce the nitrate concentration to 15, 10, or 5 ppm. after ed, the removed pulp was added to the ed-treated juice and its properties, including electrical conductivity, acidity, ph, total soluble solids (tss), color, amino acids, and selected aroma compounds, wer ... | 2015 | 25827307 |
| structural characteristics of pineapple pulp polysaccharides and their antitumor cell proliferation activities. | pineapple has a delicious taste and good health benefits. bioactive polysaccharides are important components of pineapple that might contribute to its health benefits. since little structural information on these polysaccharides is currently available, the aim of this study was to investigate their structural characteristics and bioactivities. | 2015 | 25820875 |
| transcriptome sequence analysis of an ornamental plant, ananas comosus var. bracteatus, revealed the potential unigenes involved in terpenoid and phenylpropanoid biosynthesis. | ananas comosus var. bracteatus (red pineapple) is an important ornamental plant for its colorful leaves and decorative red fruits. because of its complex genome, it is difficult to understand the molecular mechanisms involved in the growth and development. thus high-throughput transcriptome sequencing of ananas comosus var. bracteatus is necessary to generate large quantities of transcript sequences for the purpose of gene discovery and functional genomic studies. | 2015 | 25769053 |
| determination of the phenolic composition from brazilian tropical fruits by uhplc-ms/ms. | although brazil is the third largest fruit producer in the world, several specimens consumed are not well studied from the chemical viewpoint, especially for quantitative analysis. for this reason and the crescent employment of mass spectrometry (ms) techniques in food science we selected twenty-two phenolic compounds with important biological activities and developed an ultra-high performance liquid chromatography tandem mass spectrometry (uhplc-ms/ms) method using electrospray (esi) in negativ ... | 2015 | 25766829 |
| the effect of nanoparticle permeation on the bulk rheological properties of mucus from the small intestine. | the effectiveness of delivering oral therapeutic peptides, proteins and nucleotides is often hindered by the protective mucus barrier that covers mucosal surfaces of the gastrointestinal (gi) tract. encapsulation of active pharmaceutical ingredients (api) in nanocarriers is a potential strategy to protect the cargo but they still have to pass the mucus barrier. decorating nanoparticles with proteolytic enzymes has been shown to increase the permeation through mucus. here we investigate the effec ... | 2015 | 25758122 |
| comparative study of pineapple juice as a negative oral contrast agent in magnetic resonance cholangiopancreatography. | the aim of this study was to compare the image quality of magnetic resonance cholangiopancreatography (mrcp) using pineapple juice (pj) or ranitidine as negative oral contrast agents and no agent. | 2015 | 25738055 |
| rapid differentiation of commercial juices and blends by using sugar profiles obtained by capillary zone electrophoresis with indirect uv detection. | a method for the determination of sugars in several fruit juices and nectars by capillary zone electrophoresis with indirect uv-vis detection has been developed. under optimal conditions, commercial fruit juices and nectars from several fruits were analyzed, and the sugar and cyclamate contents were quantified in less than 6 min. a study for the detection of blends of high-value juices (orange and pineapple) with cheaper alternatives was also developed. for this purpose, different chemometric te ... | 2015 | 25719749 |
| ripening-dependent metabolic changes in the volatiles of pineapple (ananas comosus (l.) merr.) fruit: i. characterization of pineapple aroma compounds by comprehensive two-dimensional gas chromatography-mass spectrometry. | qualitative ripening-dependent changes of pineapple volatiles were studied via headspace solid-phase microextraction and analyzed by comprehensive two-dimensional gas chromatography quadrupole mass spectrometry (hs-spme-gc×gc-qms). early green-ripe stage, post-harvest ripened, and green-ripe fruits at the end of their commercial shelf-life were compared to air-freighted pineapples harvested at full maturity. in total, more than 290 volatiles could be identified by mass spectrometry and their lin ... | 2015 | 25701413 |
| antioxidant effects of pineapple vinegar in reversing of paracetamol-induced liver damage in mice. | pineapple (ananas comosus) was demonstrated to be hepatoprotective. this study aims to investigate the reversing effects of pineapple vinegar on paracetamol-induced liver damage in murine model. | 2015 | 25699088 |
| effect of processing on physicochemical composition, bioactive compounds and enzymatic activity of yellow mombin (spondias mombin l.) tropical juice. | yellow mombin (spondias mombin, l.) is a tropical fruit that presents exotic taste and aroma, being source of carotenoids and phenolics compounds. it presents a good potential for processing, despite some restriction related with the presence of high amounts of peroxidase (pod) and pectinmethylesterase (pme) which can cause sensory changes in the product. this work addresses the evaluation of changes in pod and pme enzyme activity during the traditional industrial processing used to produce trop ... | 2015 | 25694737 |
| genomic study of the absorption mechanism of p-coumaric acid and caffeic acid of extract of ananas comosus l. leaves. | cardiac disease has emerged as the leading cause of death worldwide, and food rich in phenolic acids has drawn much attention as sources of active substances of hypolipidemic drug. ananas comosus l. (pineapple) is one of the most popular tropical and subtropical fruits. isolated from pineapple leaves, eal(extract of ananas comosus l. leaves) is rich in phenolic acids, such as p-coumaric acid, caffeic acid, and other phenolics, highly relevant to the putative cardiovascular-protective effects, wh ... | 2015 | 25678210 |
| food allergy knowledge, perception of food allergy labeling, and level of dietary practice: a comparison between children with and without food allergy experience. | the prevalence of food allergies in korean children aged 6 to 12 years increased from 10.9% in 1995 to 12.6% in 2012 according to nationwide population studies. treatment for food allergies is avoidance of allergenic-related foods and epinephrine auto-injector (epi) for accidental allergic reactions. this study compared knowledge and perception of food allergy labeling and dietary practices of students. | 2015 | 25671074 |
| influence of weight and type of planting material on fruit quality and its heterogeneity in pineapple [ananas comosus (l.) merrill]. | cultural practices can affect the quality of pineapple fruits and its variation. the objectives of this study were to investigate (a) effects of weight class and type of planting material on fruit quality, heterogeneity in quality and proportion and yield of fruits meeting european export standards, and (b) the improvement in quality, proportion and yield of fruits meeting export standards when flowering was induced at optimum time. experiments were conducted in benin with cvs sugarloaf (a perol ... | 2014 | 25653659 |
| ripening-dependent metabolic changes in the volatiles of pineapple (ananas comosus (l.) merr.) fruit: ii. multivariate statistical profiling of pineapple aroma compounds based on comprehensive two-dimensional gas chromatography-mass spectrometry. | ripening-dependent changes of pineapple volatiles were studied in a nontargeted profiling analysis. volatiles were isolated via headspace solid phase microextraction and analyzed by comprehensive 2d gas chromatography and mass spectrometry (hs-spme-gc×gc-qms). profile patterns presented in the contour plots were evaluated applying image processing techniques and subsequent multivariate statistical data analysis. statistical methods comprised unsupervised hierarchical cluster analysis (hca) and p ... | 2015 | 25651901 |
| study on evaluation of silage from pineapple (ananas comosus) fruit residue as livestock feed. | pineapple is a commercially important fruit crop grown in asian and african countries. pineapple fruit residue (pfr) accounts for more than 65% of the processed fruits, and its disposal is a major problem due to its high moisture and sugar content predisposing it to fungal growth and spoilage. silage technique was adopted to address this problem, and the pfr silage was evaluated for its feeding value. it was observed that on 15th day, the ph of pfr silage was 4.2-4.3 and lactic acid content was ... | 2015 | 25633915 |
| a new lavandulol-related monoterpene in the sex pheromone of the grey pineapple mealybug, dysmicoccus neobrevipes. | the grey pineapple mealybug, dysmicoccus neobrevipes, is a serious pest that attacks a variety of crops in tropical regions. recently, it was recorded on an island in southwestern japan, suggesting that its distribution is expanding. as a measure against this expansion, a monitoring tool is urgently needed. in this study we determined the structure of the sex pheromone of d. neobrevipes in order to develop an efficient lure for monitoring traps. volatiles collected from virgin adult females were ... | 2015 | 25618324 |
| immune reactivities against gums. | different kinds of gums from various sources enjoy an extremely broad range of commercial and industrial use, from food and pharmaceuticals to printing and adhesives. although generally recognized as safe by the us food and drug administration (fda), gums have a history of association with sensitive or allergic reactions. in addition, studies have shown that gums have a structural, molecular similarity to a number of common foods. a possibility exists for cross-reactivity. | 2015 | 25599187 |
| effects of ultraviolet light (uv-c) and heat treatment on the quality of fresh-cut chokanan mango and josephine pineapple. | the effects of ultraviolet (uv-c) and medium heat (70 °c) treatments on the quality of fresh-cut chokanan mango and josephine pineapple were investigated. quality attributes included physicochemical properties (ph, titratable acidity, and total soluble solids), ascorbic acid content (vitamin c), antioxidant activity, as well as microbial inactivation. consumers' acceptance was also investigated through sensory evaluation of the attributes (appearance, texture, aroma and taste). furthermore, shel ... | 2015 | 25586772 |
| bromelain: a natural proteolytic for intra-abdominal adhesion prevention. | peritoneal adhesions are pathological fibrous connections between peritoneal surfaces resulting from incomplete peritoneal repair. adhesions cause various health problems ranging from pelvic pain and bowel obstruction to infertility. to date, no effective agent exists for intra-abdominal adhesion prevention. bromelain is the crude extract of the pineapple and it has fibrinolytic, antithrombotic, and anti-inflammatory properties. bromelain has been shown to be effective for removing necrotic tiss ... | 2015 | 25573606 |
| heterogeneity in pineapple fruit quality results from plant heterogeneity at flower induction. | heterogeneity in fruit quality constitutes a major constraint in agri-food chains. in this paper the sources of the heterogeneity in pineapple in the field were studied in four experiments in commercial pineapple fields. the aims were to determine (a) whether differences in pineapple fruit quality among individual fruits are associated with differences in vigor of the individual plants within the crop at the time of artificial flower induction; and (b) whether the side shoots produced by the pla ... | 2014 | 25538714 |
| [transmembrane transport behavior of in vitro hepg2 cells of ananas and its effect on lipids and glucose distribution]. | pineapple (ananas comosus) leaves contain mainly phenolic components with antioxidant and hypolipidemic effects. one of the principle components is p-coumaric acid. in this study, the transport behavior of p-coumaric acid, was observed after the administration of pineapple leaf phenols in vitro. simultaneously, the effect of the phenols on glucose, total cholesterol and triglycerides transportation and metabolism in hepg2 cells was also observed. the results showed that the phenols had good tran ... | 2014 | 25509303 |
| effects of canned pineapple consumption on nutritional status, immunomodulation, and physical health of selected school children. | this randomized, controlled trial examined the effects of canned pineapple consumption on immunomodulation, nutritional status, and physical health of ninety-eight (98) school children with mean age of 8.44 ± 0.20. the study participants were divided into three groups: group a (33) includes subjects who were not given canned pineapple, group b (33) includes those who were given 140 g, and group c (32) includes those given 280 g of canned pineapple for nine weeks. each major group was further div ... | 2014 | 25505983 |
| patulin and its dietary intake by fruit juice consumption in iran. | a survey was conducted to determine levels and dietary intake of patulin (pat) from fruit juices consumed in iran. pat content was determined using high performance liquid chromatography-diode array detection in 161 samples of fruit juices including apple, pineapple, pear, peach, pomegranate and white and red grape juices. results revealed the presence of pat in 16.1% of the samples examined, ranging from 5 to 190.7 µg/kg. average and median pat content in positive samples was 34.5 and 18.5 µg/k ... | 2015 | 25494337 |
| amino acid profile as a feasible tool for determination of the authenticity of fruit juices. | fruit juice is a nutrient rich food product with a direct connection to public health. the purpose of this research was to determine the amino acid profile of juices and provide a quick and accurate indicator for determining their authenticity. | 2014 | 25436191 |
| swarm motility of salmonella enterica serovar typhimurium is inhibited by compounds from fruit peel extracts. | controlling spread of human pathogens on fresh produce is a top priority for public health reasons. isolation of compounds from agricultural waste that would control spread of human pathogens was explored using salmonella enterica serovar typhimurium as a model organism. in the environment, micro-organisms migrate as a 'community' especially when they move on moist surfaces. this type of motility is characterized as swarming motility. we examined extracts from agricultural waste such as soya bea ... | 2015 | 25422036 |
| pineapple [ananas comosus (l.) merr]. | the efficacy of agrobacterium-mediated pineapple transformation technique has been improved (mean percentage of transgenic micro-shoots regenerated from initial callus explants up to 20.6%) using a novel encapsulation-based, antibiotic selection procedure. the detailed protocol using a standard plant transformation vector (pcambia1304) as reported in an 'elite' indian variety (queen) of pineapple [ananas comosus (l.) merr] can be applied to other varieties of pineapple for introgression of targe ... | 2015 | 25416266 |
| species diversity and activity of insectivorous bats in three habitats in la virgen de sarapiquí, costa rica. | pineapple farms make up 45,000 ha of costa rican landscape and are the second most exported crop. this is economically beneficial for the costa ricans, but greatly affects the natural flora and fauna because it is such a low growing crop. this study examined the differences in insectivorous bat species diversity and activity in the habitat gradient between the forest in tirimbina biological reserve in la virgen de sarapiquí, heredia, costa rica and the nearby pineapple farm called finca corsican ... | 2014 | 25412526 |
| effects of different agricultural systems on soil quality in northern limón province, costa rica. | conversion of native rainforest ecosystems in limón province of costa rica to banana and pineapple monoculture has led to reductions in biodiversity and soil quality. agroforestry management of cacao (theobroma cacao) is an alternative system that may maintain the agricultural livelihood of the region while more closely mimicking native ecosystems. this study compared physical, biological and chemical soil quality indicators of a cacao plantation under organic agroforestry management with banana ... | 2014 | 25412521 |
| successful treatment with pineapple juice of a gastric bezoar caused by mastic. | | 2014 | 25409047 |
| effects of elevated temperature postharvest on color aspect, physiochemical characteristics, and aroma components of pineapple fruits. | in this work, 2 separate experiments were performed to describe the influence of elevated temperature treatments postharvest on the color, physiochemical characteristics and aroma components of pineapple fruits during low-temperature seasons. the l* (lightness) values of the skin and pulp of pineapple fruits were decreased. the a* (greenness-redness) and b* (blueness-yellowness) values of the skin and pulp were all markedly increased. the elevated temperature significantly increased the contents ... | 2014 | 25367439 |
| evaluation of date syrup as an oral negative contrast agent for mrcp. | the purpose of this study was to compare the in vitro effects of date syrup with those of other contrast agents by qualitative and quantitative analysis and in vivo evaluation of the use of date syrup to improve the quality of mrcp images. | 2014 | 25341137 |
| application of diffusion ordered-1h-nuclear magnetic resonance spectroscopy to quantify sucrose in beverages. | this work focuses on a quantitative analysis of sucrose using diffusion ordered-quantitative (1)h-nuclear magnetic resonance spectroscopy (dosy-qnmr), where an analyte can be isolated from interference based on its characteristic diffusion coefficient (d) in gradient magnetic fields. the d value of sucrose in deuterium oxide at 30°c was 4.9 × 10(-10)m(2)/s at field gradient pulse from 5.0 × 10(-2) to 3.0 × 10(-1)t/m, separated from other carbohydrates (glucose and fructose). good linearity (r(2) ... | 2015 | 25308635 |
| transient elevation of serum 5-hiaa by dietary serotonin and distribution of 5-hiaa in serum protein fractions. | dietary serotonin increases urinary secretion of 5-hiaa. a falsely elevated 5-hiaa may lead to incorrect suspicion of a neuroendocrine tumour. therefore, we determined the effect and duration of dietary serotonin on serum 5-hiaa concentration. we also studied the distribution of 5-hiaa in serum fractions. | 2015 | 25249663 |
| interactive neonatal gastrointestinal magnetic resonance imaging using fruit juice as an oral contrast media. | the objective was to evaluate the use of fruit juice with an interactive inversion recovery (ir) mr pulse sequence to visualise the gastrointestinal tract. | 2014 | 25245815 |
| partitioning carbon dioxide emission and assessing dissolved organic carbon leaching of a drained peatland cultivated with pineapple at saratok, malaysia. | pineapples (ananas comosus (l.) merr.) cultivation on drained peats could affect the release of carbon dioxide (co2) into the atmosphere and also the leaching of dissolved organic carbon (doc). carbon dioxide emission needs to be partitioned before deciding on whether cultivated peat is net sink or net source of carbon. partitioning of co2 emission into root respiration, microbial respiration, and oxidative peat decomposition was achieved using a lysimeter experiment with three treatments: peat ... | 2014 | 25215335 |
| ananas comosus l. leaf phenols and p-coumaric acid regulate liver fat metabolism by upregulating cpt-1 expression. | in this study, we aimed to investigate the effect and action mechanisms of pineapple leaf phenols (plps) on liver fat metabolism in high-fat diet-fed mice. results show that plp significantly reduced abdominal fat and liver lipid accumulation in high-fat diet-fed mice. the effects of plp were comparable with those of fb. furthermore, at the protein level, plp upregulated the expression of carnitine palmitoyltransferase 1 (cpt-1), whereas fb had no effects on cpt-1 compared with the hfd controls. ... | 2014 | 25197313 |
| determination of some heavy metal levels in soft drinks on the ghanaian market using atomic absorption spectrometry method. | twenty-three soft drink samples (i.e., four pineapple-based fruit drinks, eight citrus-based fruit juices, one soya-based drink, three cola carbonated drinks, one apple-based fruit drink, and six cocktail fruit drinks) were randomly purchased from retail outlets in an urban market in accra and analyzed for the concentrations of iron, cobalt, cadmium, zinc, lead, and copper using flame atomic absorption spectrometry. the mean concentration of iron and cadmium were 0.723 ± 0.448 mg/l and 0.032 ± 0 ... | 2014 | 25179943 |
| authentication of pineapple (ananas comosus [l.] merr.) fruit maturity stages by quantitative analysis of γ- and δ-lactones using headspace solid-phase microextraction and chirospecific gas chromatography-selected ion monitoring mass spectrometry (hs-spme-gc-sim-ms). | headspace solid phase microextraction and chirospecific gas chromatography-mass spectrometry in selected ion monitoring mode (hs-spme-gc-sim-ms) allowed quantitative determination of δ-lactones (δ-c8, δ-c10) and γ-lactones (γ-c6, γ-c8, γ-c10). a stable isotope dilution assay (sida) with d7-γ-decalactone as internal standard was used for quantitative analysis of pineapple lactones that was performed at three progressing post-harvest stages of fully ripe air-freighted and green-ripe sea-freighted ... | 2015 | 25172740 |
| the pineapple acmads1 promoter confers high level expression in tomato and arabidopsis flowering and fruiting tissues, but acmads1 does not complement the tomato lemads-rin (rin) mutant. | a previous est study identified a mads box transcription factor coding sequence, acmads1, that is strongly induced during non-climacteric pineapple fruit ripening. phylogenetic analyses place the acmads1 protein in the same superclade as lemads-rin, a master regulator of fruit ripening upstream of ethylene in climacteric tomato. lemads-rin has been proposed to be a global ripening regulator shared among climacteric and non-climacteric species, although few functional homologs of lemads-rin have ... | 2014 | 25139231 |
| bromelain surface modification increases the diffusion of silica nanoparticles in the tumor extracellular matrix. | tumor extracellular matrix (ecm) represents a major obstacle to the diffusion of therapeutics and drug delivery systems in cancer parenchyma. this biological barrier limits the efficacy of promising therapeutic approaches including the delivery of sirna or agents intended for thermoablation. after extravasation due to the enhanced penetration and retention effect of tumor vasculature, typical nanotherapeutics are unable to reach the nonvascularized and anoxic regions deep within cancer parenchym ... | 2014 | 25119793 |
| quality of osmotically pre-treated and vacuum dried pineapple cubes on storage as influenced by type of solutes and packaging materials. | the quality and stability of osmotically pre-treated and subsequently vacuum dried pineapple cubes using three different solutes and packed in three different types of packaging materials on storage was evaluated. the experiment was laid out in completely randomized block design with two factors and three replications for each treatment. treatment combinations were considered as one factor and storage interval as another factor. pineapple cubes stored in glass bottle showed very little percentag ... | 2014 | 25114348 |
| efficient determination of protocatechuic acid in fruit juices by selective and rapid magnetic molecular imprinted solid phase extraction coupled with hplc. | magnetic molecular imprinted polymers (mmips) have been prepared as solid phase material to selectively extract protocatechuic acid (pca) from fruit juices with high capacity and fast binding kinetics. the resulting mmips were characterized by tem, ft-ir, tga, and vsm. the adsorption process between pca and mmips followed langumuir adsorption isotherm with maximum adsorption capacity at 7.5 mg/g and pseudo-second-order reaction kinetics with fast binding kinetics (equilibrium time at 40 min). in ... | 2014 | 25075753 |
| the role of fragmentation and landscape changes in the ecological release of common nest predators in the neotropics. | loss of large mammalian carnivores may allow smaller mesopredators to become abundant and threaten other community members. there is considerable debate about mesopredator release and the role that other potential factors such as landscape variables and human alterations to land cover lead to increased mesopredator abundance. we used camera traps to detect four mesopredators (tayra, eira barbara; white-nosed coati, nasua narica; northern raccoon, procyon lotor; and common opossum, didelphis opos ... | 2014 | 25071989 |
| opportunities and challenges in application of forward osmosis in food processing. | food processing and preservation technologies must maintain the fresh-like characteristics of food while providing an acceptable and convenient shelf life as well as assuring safety and nutritional value. besides, the consumers' demand for the highest quality convenience foods in terms of natural flavor and taste, free from additives and preservatives necessitated the development of a number of membrane-based non-thermal approaches to the concentration of liquid foods, of which forward osmosis h ... | 2016 | 25036521 |
| improving phosphorus availability in an acid soil using organic amendments produced from agroindustrial wastes. | in acid soils, soluble inorganic phosphorus is fixed by aluminium and iron. to overcome this problem, acid soils are limed to fix aluminium and iron but this practice is not economical. the practice is also not environmentally friendly. this study was conducted to improve phosphorus availability using organic amendments (biochar and compost produced from chicken litter and pineapple leaves, resp.) to fix aluminium and iron instead of phosphorus. amending soil with biochar or compost or a mixture ... | 2014 | 25032229 |
| therapeutic efficacy of bromelain in impacted third molar surgery: a randomized controlled clinical study. | bromelain is the name given to a family of proteolytic enzymes obtained from ananas comosus, the pineapple plant. it is considered a potent anti-inflammatory and antiedematous substance. surgery of impacted third molars in the outpatient setting is one of the procedures most often associated with postoperative pain and swelling. the aim of this study was to evaluate the efficacy of bromelain in reducing postoperative pain and swelling. | 2014 | 25019111 |
| collection and chemical composition of phloem sap from citrus sinensis l. osbeck (sweet orange). | through utilizing the nutrient-rich phloem sap, sap feeding insects such as psyllids, leafhoppers, and aphids can transmit many phloem-restricted pathogens. on the other hand, multiplication of phloem-limited, uncultivated bacteria such as candidatus liberibacter asiaticus (clas) inside the phloem of citrus indicates that the sap contains all the essential nutrients needed for the pathogen growth. the phloem sap composition of many plants has been studied; however, to our knowledge, there is no ... | 2014 | 25014027 |
| drinking pineapple juice for undigested food in stomach. | | 2014 | 25003688 |
| impact of mixtures of different fresh-cut fruits on respiration and ethylene production rates. | packaging and storage of fresh-cut fruits and vegetables are a challenging task, since fresh produce continue to respire and senesce after harvest and processing accelerates the physiological processes. the response on respiration and ethylene production rates of fresh produce to changes in o2 and co2 concentrations and temperature has been extensively studied for whole fruits but literature is limited on processed and mixed fresh-cut fruits. this study aimed to investigate the effects of mixing ... | 2014 | 24984574 |
| draft genome sequence of kozakia baliensis sr-745, the first sequenced kozakia strain from the family acetobacteraceae. | kozakia baliensis belongs to the family acetobacteraceae and was described for the first time in 2002. these acetic acid bacteria are able to produce acetic acid from various carbon sources and 2- and 5-keto-d-gluconate from glucose. the novel k. baliensis strain sr-745 was isolated from a pineapple fruit bought in a german supermarket. the strain produces large amounts of organic acids when grown on glucose-containing medium and accepts also glycerol, fructose, mannitol, and sucrose as a c sour ... | 2014 | 24970826 |
| bromelain: an overview of industrial application and purification strategies. | this review highlights the use of bromelain in various applications with up-to-date literature on the purification of bromelain from pineapple fruit and waste such as peel, core, crown, and leaves. bromelain, a cysteine protease, has been exploited commercially in many applications in the food, beverage, tenderization, cosmetic, pharmaceutical, and textile industries. researchers worldwide have been directing their interest to purification strategies by applying conventional and modern approache ... | 2014 | 24965557 |
| physico-chemical properties, antioxidant activity and mineral contents of pineapple genotypes grown in china. | the fruit physico-chemical properties, antioxidant activity and mineral contents of 26 pineapple [ananas comosus (l.) merr.] genotypes grown in china were measured. the results showed great quantitative differences in the composition of these pineapple genotypes. sucrose was the dominant sugar in all 26 genotypes, while citric acid was the principal organic acid. potassium, calcium and magnesium were the major mineral constituents. the ascorbic acid (asa) content ranged from 5.08 to 33.57 mg/100 ... | 2014 | 24959679 |
| a study on ultraviolet protection of 100% cotton knitted fabric: effect of fabric parameters. | the effect of fabric parameters such as weight, thickness, and stitch density on the ultraviolet (uv) protection of knitted fabrics was studied. different knitting structures such as plain, pineapple, lacoste, and other combinations of different knitting stitches of knit, tuck, and miss as well as half milano, full milano, half cardigan, full cardigan, 1 × 1 rib, and interlock were prepared. experimental results revealed that weight was the most important factor that affected uv protection while ... | 2014 | 24955409 |
| the prevalence of the oral allergy syndrome and pollen-food syndrome in an atopic paediatric population in south-west sydney. | oral allergy syndrome (oas) and pollen-food syndrome (pfs) are regarded as uncommon manifestations of paediatric atopic disease. however, little australian data exist. the aim of this study was to examine the prevalence of oas in an atopic, paediatric population. | 2014 | 24953857 |
| drivers of conservation and utilization of pineapple genetic resources in benin. | valuation of farmer knowledge has been seen as a route to promote sustainable use of plant genetic resources. in pineapple production systems in benin, inadequate knowledge of cultivation practices can lead to a number of inconveniences including abandon of some varieties and cultivars. to understand how farmer's knowledge and cultivation practices impact the sustainable utilization of pineapple genetic resources, we surveyed 177 pineapple farmers in southern benin. we assessed farmers' knowledg ... | 2014 | 24936393 |
| spray drying of fruit and vegetable juices--a review. | the main cause of spray drying is to increase the shelf life and easy handling of juices. in the present paper, the studies carried out so far on spray drying of various fruits and vegetables are reported. the major fruit juices dried are mango, banana, orange, guava, bayberry, watermelon, pineapple, etc. however, study on vegetable juices is limited. in spray drying, the major optimized parameters are inlet air temperature, relative humidity of air, outlet air temperature, and atomizer speed th ... | 2015 | 24915356 |
| characterisation and potential application of pineapple pomace in an extruded product for fibre enhancement. | this study characterised pineapple pomace (pp) and evaluated its application in extrusion to enhance fibre content of the final product. the pomace had low fat (0.61%) and high dietary fibre (45.22%), showing its potential for fibre enrichment of nutritionally poor products, as some extruded snacks. results also showed low microbiological counts, water activity, and ph indicating good microbiological quality and low risk of physicochemical deterioration. during extrusion, pomace (0%, 10.5% and 2 ... | 2014 | 24912691 |
| nisin based stabilization of novel fruit and vegetable functional juices containing bacterial cellulose at ambient temperature. | the current study reports the preparation and stabilization of novel functional drinks based on fruit and vegetable juices incorporating bacterial cellulose from acetobacter xylinum. pineapple, musk melon, carrot, tomato, beet root and a blend juice containing 20 % each of carrot and tomato juice with 60 % beet root juice has been studied. these juices have been stabilized over a storage period of 90 days at 28 °c, by the use of nisin and maintaining a low ph circumventing the need for any chemi ... | 2014 | 24876660 |
| effect of uv-c radiation on bioactive compounds of pineapple (ananas comosus l. merr.) by-products. | the industrial processing of pineapple generates a high quantity of by-products. to reduce the environmental impact of these by-products and the inherent cost of their treatment, it is important to characterise and valorise these products, converting them into high added value products. ultra-violet radiation is one of the main sustainable sanitation techniques for fruits. since this radiation can induce plant stress which can promote the biosynthesis of bioactive compounds, it is important to e ... | 2015 | 24852602 |
| viscosity differences between thickened beverages suitable for elderly patients with dysphagia. | dysphagia has been associated with a high risk of undernutrition and aspiration pneumonia in the elderly. it is commonly managed by adding commercial thickening agents to thicken liquids. the rheological behavior of these thickeners in water is known but there is lack of information with regard to other liquids. the aim of this study was to determine the viscosity of 11 beverages after adding commercial thickeners and to compare their viscosity with that of thickened water and also with the refe ... | 2014 | 24842337 |
| utilization of agricultural residues of pineapple peels and sugarcane bagasse as cost-saving raw materials in scenedesmus acutus for lipid accumulation and biodiesel production. | the aim of this study is to optimize the lipid accumulation in microalgae by using two agricultural residues of pineapple peels and sugarcane bagasse as low-cost organic carbon sources. green microalgae scenedesmus acutus was isolated and selected for cultivation. effects of three initial sugar concentrations and the stage for adding sugar during cultivation on biomass and lipid production were investigated. the results clearly showed that two-stage cultivation is more suitable than one-stage. t ... | 2014 | 24817554 |
| rediscovering medicinal plants' potential with omics: microsatellite survey in expressed sequence tags of eleven traditional plants with potent antidiabetic properties. | herbal medicines and traditionally used medicinal plants present an untapped potential for novel molecular target discovery using systems science and omics biotechnology driven strategies. since up to 40% of the world's poor people have no access to government health services, traditional and folk medicines are often the only therapeutics available to them. in this vein, north east (ne) india is recognized for its rich bioresources. as part of the indo-burma hotspot, it is regarded as an epicent ... | 2014 | 24802971 |
| the answer was not a pineapple. | | 2014 | 24794615 |
| water-insoluble fiber-rich fraction from pineapple peel improves intestinal function in hamsters: evidence from cecal and fecal indicators. | pineapple peel, a byproduct of agricultural processing, contains high levels of water-insoluble fiber-rich fraction (wiff) (~42%, wt/wt). our previous work has demonstrated that cellulose, hemicellulose (xylan and xyloglucan), and pectic substances are the major polysaccharides of pineapple-peel wiff. based on its chemical composition and unique characteristics, we hypothesized that daily consumption of wiff would improve intestinal function in hamsters. male golden syrian hamsters were fed a di ... | 2014 | 24774071 |
| deciphering gamma-decalactone biosynthesis in strawberry fruit using a combination of genetic mapping, rna-seq and eqtl analyses. | understanding the basis for volatile organic compound (voc) biosynthesis and regulation is of great importance for the genetic improvement of fruit flavor. lactones constitute an essential group of fatty acid-derived vocs conferring peach-like aroma to a number of fruits including peach, plum, pineapple and strawberry. early studies on lactone biosynthesis suggest that several enzymatic pathways could be responsible for the diversity of lactones, but detailed information on them remained elusive ... | 2014 | 24742100 |
| on the physiology of normal swallowing as revealed by magnetic resonance imaging in real time. | the aim of this study was to assess the physiology of normal swallowing using recent advances in real-time magnetic resonance imaging (mri). therefore ten young healthy subjects underwent real-time mri and flexible endoscopic evaluations of swallowing (fees) with thickened pineapple juice as oral contrast bolus. mri movies were recorded in sagittal, coronal, and axial orientations during successive swallows at about 25 frames per second. intermeasurement variation was analyzed and comparisons be ... | 2014 | 24693283 |
| genomic analyses of the cam plant pineapple. | the innovation of crassulacean acid metabolism (cam) photosynthesis in arid and/or low co2 conditions is a remarkable case of adaptation in flowering plants. as the most important crop that utilizes cam photosynthesis, the genetic and genomic resources of pineapple have been developed over many years. genetic diversity studies using various types of dna markers led to the reclassification of the two genera ananas and pseudananas and nine species into one genus ananas and two species, a. comosus ... | 2014 | 24692645 |
| tonoplast lipid composition and proton pump of pineapple fruit during low-temperature storage and blackheart development. | vacuole represents a major storage organelle playing vital roles in ph homoeostasis and cellular detoxification. the chemical and functional properties of tonoplast in response to chilling temperature and their roles in chilling injury are largely unknown. in the current study, lipid composition of tonoplast and the activities of two vacuolar proton pumps, h?-atpase (v-atpase) and h?-pyrophosphatase (v-ppase), were investigated in accordance with the development of blackheart, a form of chilling ... | 2014 | 24658889 |
| evaluation of anti-inflammatory activity of pseudananas macrodontes (morr.) harms (bromeliaceae) fruit extract in rats. | several species of the family bromeliaceae are characterized by the production of proteases in unusual amounts, especially in fruits. bromelain, an extract rich in cysteine endopeptidases obtained from ananas comosus l., and a few other proteases have been used as anti-inflammatory agents for some years, but bromelain is still mainly being used as alternative and/or complementary therapy to the treatment with glucocorticoids, nonsteroidal antirheumatics, and immunomodulators. in this study, the ... | 2014 | 24601082 |
| effect of pesticides used in banana and pineapple plantations on aquatic ecosystems in costa rica. | current knowledge on fate and effect of agricultural pesticides comes is mainly from temperate ecosystems. more studies are needed in tropical systems in order to assess contamination risks to nontarget endemic tropical species from the extensive use of pesticides e.g. in banana and pineapple plantations. in this study, acute laboratory toxicity tests with organophosphate pesticides ethoprophos and chlorpyrifos were conducted on two costa rican species, cladoceran daphnia ambigua and fish parach ... | 2014 | 24579523 |
| use of cholinesterase activity as a biomarker of pesticide exposure used on costa rican banana plantations in the native tropical fish astyanax aeneus (günther, 1860). | in costa rica, thousands of tones of agricultural pesticides have been used for decades and their use is continuously increasing due to intensive and expanding production of coffee, pineapple, rice, ornamental plants and bananas. the objective of this study was to evaluate whether choline esterase (che) activity could be used as a biomarker of exposure to pesticides in the costa rican native fish astyanax aeneus (characidae). three methods used in order to evaluate the che biomarker were as foll ... | 2014 | 24579519 |
| the effective use of acai juice, blueberry juice and pineapple juice as negative contrast agents for magnetic resonance cholangiopancreatography in children. | magnetic resonance cholangiopancreatography (mrcp) is commonly performed in the evaluation of known or suspected pancreaticobiliary disease in children. the administration of a negative oral contrast agent can improve the quality of the examination without significant additional cost. we describe our experience with certain brands of acai juice, blueberry juice and pineapple juice as negative oral contrast agents in children. we believe these fruit juices are safe, palatable and may improve mrcp ... | 2014 | 24573534 |
| physical, mechanical and hydration kinetics of particleboards manufactured with woody biomass (cupressus lusitanica, gmelina arborea, tectona grandis), agricultural resources, and tetra pak packages. | lignocellulosic wastes resulting from agricultural activities as well as tetra pak residues from urban centres can cause significant levels of pollution. a possible action to minimize this problem is to use them in the production of particleboards. the purpose of this study was to evaluate the physical, mechanical, and hydration properties of particleboards manufactured with the mixture of woody biomass (cupressus lusitanica, gmelina arborea, and tectona grandis) and either agricultural wastes [ ... | 2014 | 24519224 |