| therapeutic uses of pineapple-extracted bromelain in surgical care - a review. | bromelain is an extract obtained from the pineapple plant and is used as a traditional folk remedy for several ailments. in this review, a comprehensive electronic database search was carried out to compile available literature on therapeutic implications of bromelain. pharmaceutical value of bromelain has been demonstrated in different surgical sub-specialties. diverse biological processes like anti-inflammatory, anti-oedematous, analgesic, anti-thrombotic, exfoliation etc. are involved in brom ... | 2017 | 28065968 |
| enhanced swelling and responsive properties of pineapple peel carboxymethyl cellulose-g-poly(acrylic acid-co-acrylamide) superabsorbent hydrogel by the introduction of carclazyte. | the superabsorbent hydrogels were synthesized by grafting acrylic acid and acrylamide onto pineapple peel carboxymethyl cellulose and effect of carclazyte introduction was compared. the structure and morphology of the superabsorbents were investigated by fourier transform infrared spectroscopy, x-ray diffraction, and field emission scanning electron microscopy. swelling behaviors of the superabsorbents were investigated in distilled water, 0.9% nacl solution, various salt and ph solutions, as we ... | 2017 | 28049294 |
| evaluation of bioactive compounds, chemical and technological properties of fruits byproducts powder. | millions of tons of fruit byproducts are discarded globally every day by food processing industries, which represents a considerable loss in terms of nutrients. the goal of this work was to evaluate the physico-chemical, technological, antioxidant properties and characterization of carotenoids for papaya, pineapple, olive byproducts and anthocyanins for blueberry byproducts. the results indicated that these byproducts are good sources of total dietary fiber, especially olive byproducts (53.68%). ... | 2016 | 28035162 |
| local cell death changes the orientation of cell division in the developing drosophila wing imaginal disc without using fat or dachsous as orienting signals. | drosophila imaginal disc cells exhibit preferred cell division orientations according to location within the disc. these orientations are altered if cell death occurs within the epithelium, such as is caused by cell competition or by genotypes affecting cell survival. both normal cell division orientations, and their orientations after cell death, depend on the fat-dachsous pathway of planar cell polarity (pcp). the hypothesis that cell death initiates a planar polarity signal was investigated. ... | 2016 | 28030539 |
| nutritional beliefs and practices among diabetic pregnant mothers in a tertiary care hospital in bangladesh. | pregnant mothers with diabetes, especially in developing countries, are particularly prone to suffer from dietary imbalances due to superstitions and irrational beliefs and practices. the study aimed to explore the existing beliefs and practices related to food intake among bangladeshi diabetic pregnant mothers. | 2016 | 28017280 |
| callus cell, shoot and stem proliferation data from pineapple crown and banana inflorescence in vitro: biochemical and antioxidant properties. | the data article contains the experimental data and images on the callus cell, shoot and stem proliferation from pineapple crown slice and banana inflorescence in vitro. investigated data are related to the research article "effects of benzylaminopurine and naphthalene acetic acid on proliferation and shoot growth of pineapple (ananas comosus l. merr) in vitro" alsaif et al. (2011) [1] and "plantlet production through development of competent multiple meristem cultures from male inflorescence of ... | 2017 | 28004025 |
| study on optimization of process parameters for enhancing the multi-hydrolytic enzyme activity in garbage enzyme produced from preconsumer organic waste. | the garbage enzymes produced from preconsumer organic waste containing multi hydrolytic enzyme activity which helps to solubilize the waste activated sludge. the continuous production of garbage enzyme and its scaling up process need a globe optimized condition. in present study the effect of fruit peel composition and sonication time on enzyme activity were investigated. garbage enzyme produced from 6g pineapple peels: 4g citrus peels pre-treated with ultrasound for 20min shows higher hydrolyti ... | 2017 | 28002780 |
| early histological, hormonal, and molecular changes during pineapple (ananas comosus (l.) merrill) artificial flowering induction. | natural flowering can cause serious scheduling problems in the pineapple (ananas comosus) industry and increase harvest costs. pineapple flowering is thought to be triggered by increased ethylene levels and artificial forcing of pineapple flowering is a common practice to promote flowering synchronisation. however, little is known about the early hormonal and molecular changes of pineapple flowering induction and development. here, we aimed to analyse the molecular, hormonal, and histological ch ... | 2017 | 27988471 |
| mechanism of internal browning of pineapple: the role of gibberellins catabolism gene (acga2ox) and gas. | internal browning (ib), a physiological disorder (pd) that causes severe losses in harvested pineapple, can be induced by exogenous gibberellins (gas). over the years, studies have focused on roles of gibberellin 2-oxidase (ga2oxs), the major gas catabolic enzyme in plants, in the regulation of changes in morphology or biomass. however, whether ga2oxs could regulate pd has not been reported. here, a full-length acga2ox cdna was isolated from pineapple, with the putative protein sharing 23.59% to ... | 2016 | 27982026 |
| sustainable biobutanol production from pineapple waste by using clostridium acetobutylicum b 527: drying kinetics study. | present investigation explores the use of pineapple peel, a food industry waste, for acetone-butanol-ethanol (abe) production using clostridium acetobutylicum b 527. proximate analysis of pineapple peel shows that it contains 35% cellulose, 19% hemicellulose, and 16% lignin on dry basis. drying experiments on pineapple peel waste were carried out in the temperature range of 60-120°c and experimental drying data was modeled using moisture diffusion control model to study its effect on abe product ... | 2017 | 27939964 |
| combination of cisplatin and bromelain exerts synergistic cytotoxic effects against breast cancer cell line mda-mb-231 in vitro. | bromelain, which is a cysteine endopeptidase commonly found in pineapple stems, has been investigated as a potential anti-cancer agent for the treatment of breast cancer. however, information pertaining to the effects of combining bromelain with existing chemotherapeutic drugs remains scarce. this study aimed to investigate the possible synergistic cytotoxic effects of using bromelain in combination with cisplatin on mda-mb-231 human breast cancer cells. | 2016 | 27891174 |
| investigation of endophytic bacterial community in supposedly axenic cultures of pineapple and orchids with evidence on abundant intracellular bacteria. | asepsis, defined as the absence of microbial contamination, is one of the most important requirements of plant micropropagation. in long-term micropropagated cultures, there may occasionally occur scattered microorganism growth in the culture medium. these microorganisms are common plant components and are known as latent endophytes. thus, the aim of this research was to investigate the presence of endophytic bacteria in asymptomatic pineapple and orchid microplants, which were cultivated in thr ... | 2017 | 27866249 |
| dietary and non-dietary triggers of oral ulcer recurrences in behçet's disease. | the nature and impact of food and other external triggers in recurrences of behçet's disease (bd)-related oral ulcers (ous) remain unknown. this survey investigated dietary and non-dietary triggers of bd-related ou recurrences. | 2016 | 27863145 |
| heterologous expression of the plant cysteine protease bromelain and its inhibitor in pichia pastoris. | expression of proteases in heterologous hosts remains an ambitious challenge due to severe problems associated with digestion of host proteins. on the other hand, proteases are broadly used in industrial applications and resemble promising drug candidates. bromelain is an herbal drug that is medicinally used for treatment of oedematous swellings and inflammatory conditions and consists in large part of proteolytic enzymes. even though various experiments underline the requirement of active cyste ... | 2017 | 27860461 |
| chemical and antioxidant properties of snake tomato (trichosanthes cucumerina) juice and pineapple (ananas comosus) juice blends and their changes during storage. | juice blends made from the mixture of snake tomato (trichosanthes cucumerina) and pineapple (ananas comosus) fruits were analyzed for ph, antioxidant properties, total titratable acidity, vitamin c, lycopene and total phenolic contents after different blend ratios were made. the addition of snake tomato juice increased the vitamin c, total carotene, lycopene and antioxidant properties of the juice blends. the radical scavenging properties of juice blends containing a higher ratio of snake tomato ... | 2017 | 27855888 |
| the biochemical characterization, stabilization studies and the antiproliferative effect of bromelain against b16f10 murine melanoma cells. | the current study aims to extract bromelain from different parts (stem, crown, peels, pulp and leaves) of ananas comosus var. comosus agb 772; to determine of optimum ph and temperature; to test bromelain stability in disodium edta and sodium benzoate, and to investigate its pharmacological activity on b16f10 murine melanoma cells in vitro. the highest enzymatic activity was found in bromelain extracted from the pulp and peel. the optimum bromelain ph among all studied pineapple parts was 6.0. t ... | 2017 | 27855525 |
| organic amendments enhance pb tolerance and accumulation during micropropagation of daphne jasminea. | the study investigated the effects of organic amendments: pineapple pulp (pp) and agar hydrolyzate (ah), on micropropagation and pb bioaccumulation and tolerance in a woody shrub daphne jasminea cultured in vitro. the amendments were analyzed for their content of carbohydrates, phenolic acids, and phytohormones and added at a dose of 10 ml l(-1) to the medium containing 1.0 mm lead nitrate. micropropagation coefficient increased by 10.2-16.6 % in pp and ah variants, respectively. growth toleranc ... | 2017 | 27815856 |
| bromelain: from production to commercialisation. | bromelain is a mixture of proteolytic enzymes found in pineapple (ananas comosus) plants. it can be found in several parts of the pineapple plant, including the stem, fruit, leaves and peel. high demand for bromelain has resulted in gradual increases in bromelain production. these increases have led to the need for a bromelain production strategy that yields more purified bromelain at a lower cost and with fewer production steps. previously, bromelain was purified by conventional centrifugation, ... | 2017 | 27790704 |
| lower tier toxicity risk assessment of agriculture pesticides detected on the río madre de dios watershed, costa rica. | costa rica is a tropical country with one of the highest biodiversity on earth. it also has an intensive agriculture, and pesticide runoff from banana and pineapple plantations may cause a high toxicity risk to non-target species in rivers downstream the plantations. we performed a first tier risk assessment of the maximum measured concentrations of 32 pesticides detected over 4 years in the river madre de dios (rmd) and its coastal lagoon on the caribbean coast of costa rica. species sensitivit ... | 2016 | 27783250 |
| novel biocomposite of carboxymethyl chitosan and pineapple peel carboxymethylcellulose as sunscreen carrier. | this study aims to prepare of biocomposite of carboxymethyl chitosan (cm-chitosan) and carboxymethylcellulose (cmc) from ananas comosus (pineapple) peel for use as broad spectrum sunscreen carrier. biocomposite was produced by using ferulic acid (fa), a plant extract, as crosslinker with the optimal ratio of cmc: cm-chitosan: fa at 1:2:4%w. ft-ir technique demonstrated that crosslinking may occur at amine group of cm-chitosan and carboxyl group of fa and hydrogen bonding between hydroxyl group o ... | 2017 | 27777081 |
| pineapple genome: a reference for monocots and cam photosynthesis. | pineapple occupies an important phylogenetic position and its reference genome expedites genomic research within the family bromeliaceae and more widely among monocots. one such research focus is the evolution of crassulacean acid metabolism (cam) photosynthesis. acquiring circadian clock cis-regulatory elements in cam-related genes might be a critical step in the evolution of this form of photosynthesis. follow-up studies will clarify the processes and evolutionary forces leading to the multipl ... | 2016 | 27613080 |
| in situ toxicity and ecological risk assessment of agro-pesticide runoff in the madre de dios river in costa rica. | the river madre de dios (rmd) and its lagoon is a biodiversity rich watershed formed by a system of streams, rivers, channels, and a coastal lagoon communicating with the caribbean sea. this basin sustains a large area of agricultural activity (mostly banana, rice, and pineapple) with intensive use of pesticides, continually detected in water samples. we investigated in situ the toxicological effects caused by pesticide runoff from agriculture and the relation of pesticide concentrations with di ... | 2016 | 27757743 |
| comparative genomics analysis of rice and pineapple contributes to understand the chromosome number reduction and genomic changes in grasses. | rice is one of the most researched model plant, and has a genome structure most resembling that of the grass common ancestor after a grass common tetraploidization ∼100 million years ago. there has been a standing controversy whether there had been five or seven basic chromosomes, before the tetraploidization, which were tackled but could not be well solved for the lacking of a sequenced and assembled outgroup plant to have a conservative genome structure. recently, the availability of pineapple ... | 2016 | 27757123 |
| real-time mri of swallowing: intraoral pressure reduction supports larynx elevation. | the reduction in intraoral pressure during swallowing has previously been linked to bolus transport, although no such relation has yet been proven. the purpose of this work was to evaluate the time course of intraoral pressure during swallowing using simultaneous real-time magnetic resonance imaging (mri) and dynamic pressure recordings. real-time mri based on highly undersampled radial fast low-angle shot (flash) and regularized nonlinear inverse reconstruction was performed at 3 t using a stan ... | 2016 | 27687293 |
| bromelain has paradoxical effects on blood coagulability: a study using thromboelastography. | bromelain is a crude extract from pineapple that is known for a wide array of pharmacological effects including protein digestion, fibrinolytic and anti-immune inflammatory effects and has been popularly used as a phytotherapeutic drug. however, its clinical values and applications remain understudied. the aim of this study was to investigate the effect of bromelain on the coagulability of blood using thromboelastography (teg). we identified 0.4 u/ml as the minimum concentration of bromelain tha ... | 2016 | 25517253 |
| papaya latex supernatant has a potent effect on the free-living stages of equid cyathostomins in vitro. | the control of equid gastrointestinal nematodes in developed countries, in particular the cyathostomins, is threatened by high levels of anthelmintic resistance. in recent years, there has been increasing interest in the evaluation of traditional 'ethnoveterinary' medicines as alternatives to chemical anthelmintics. the cysteine proteinases (cps), a group of enzymes derived from fruits such as papaya (carica papaya), pineapple (ananas comosus) and figs (ficus spp.), have shown good efficacy agai ... | 2016 | 27692327 |
| principal component analysis (pca) of volatile terpene compounds dataset emitted by genetically modified sweet orange fruits and juices in which a d-limonene synthase was either up- or down-regulated vs. empty vector controls. | we have categorized the dataset from content and emission of terpene volatiles of peel and juice in both navelina and pineapple sweet orange cultivars in which d-limonene was either up- (s), down-regulated (as) or non-altered (ev; control) ("impact of d-limonene synthase up- or down-regulation on sweet orange fruit and juice odor perception"(a. rodríguez, j.e. peris, a. redondo, t. shimada, e. costell, i. carbonell, c. rojas, l. peña, (2016)) [1]). data from volatile identification and quantific ... | 2016 | 27689126 |
| transcriptome profiling of the pineapple under low temperature to facilitate its breeding for cold tolerance. | the pineapple (ananas comosus) is cold sensitive. most cultivars are injured during winter periods, especially in sub-tropical regions. there is a lack of molecular information on the pineapple's response to cold stress. in this study, high-throughput transcriptome sequencing and gene expression analysis were performed on plantlets of a cold-tolerant genotype of the pineapple cultivar 'shenwan' before and after cold treatment. a total of 1,186 candidate cold responsive genes were identified, and ... | 2017 | 27656892 |
| effect of acoustically assisted treatments on vitamins, antioxidant activity, organic acids and drying kinetics of pineapple. | the effects of the application of an acoustically assisted treatment on the vitamins (c, b1, b2, b3, and b5), the antioxidant activity (dpph, frap), the polyphenol and flavonoid contents, the organic acid contents (citric and malic) and drying kinetics of pineapple (ananas comosus var. perola) have been studied. treatments were carried out using two different soaking media: distilled water and pineapple juice at 30°c during 10, 20 and 30min without and with acoustic assistance (23.2w/l). after t ... | 2017 | 27639524 |
| development of functional beverages from blends of hibiscus sabdariffa extract and selected fruit juices for optimal antioxidant properties. | the demand for functional foods and drinks with health benefit is on the increase. the synergistic effect from mixing two or more of such drinks cannot be overemphasized. this study was carried out to formulate and investigate the effects of blends of two or more of pineapple, orange juices, carrot, and hibiscus sabdariffa extracts (hse) on the antioxidant properties of the juice formulations in order to obtain a combination with optimal antioxidant properties. experimental design was carried ou ... | 2016 | 27625770 |
| environmental risk assessment of pesticides in the river madre de dios, costa rica using perpest, ssd, and mspaf models. | this study assesses the ecological risks (era) of pesticides to aquatic organisms in the river madre de dios (rmd), which receives surface runoff water from banana, pineapple, and rice plantations on the caribbean coast of costa rica. water samples collected over 2 years at five sites in the rmd revealed a total of 26 pesticides. their toxicity risk to aquatic organisms was assessed using three recent era models. (1) the perpest model showed a high probability (>50 %) of clear toxic effects of p ... | 2016 | 27617335 |
| potential role of bromelain in clinical and therapeutic applications. | pineapple has been used as part of traditional folk medicine since ancient times and it continues to be present in various herbal preparations. bromelain is a complex mixture of protease extracted from the fruit or stem of the pineapple plant. although the complete molecular mechanism of action of bromelain has not been completely identified, bromelain gained universal acceptability as a phytotherapeutic agent due to its history of safe use and lack of side effects. bromelain is widely administe ... | 2016 | 27602208 |
| ultrasound treatment on phenolic metabolism and antioxidant capacity of fresh-cut pineapple during cold storage. | ultrasound treatment at different power output (0, 25 and 29w) and exposure time (10 and 15min) was used to investigate its effect on the phenolic metabolism enzymes, total phenolic content and antioxidant capacity of fresh-cut pineapple. following ultrasound treatment at 25 and 29w, the activity of phenylalanine ammonia lyase (pal) was increased significantly (p<0.05) by 2.0 and 1.9-fold, when compared to control. meanwhile, both the activity of polyphenol oxidase (ppo) and polyphenol peroxidas ... | 2017 | 27596416 |
| effect of pineapple waste powder on probiotic growth, antioxidant and antimutagenic activities of yogurt. | although many fruit by-products are good sources of nutrients, little is known about their prebiotic potential. this research was aimed at establishing the prebiotic effect of pineapple wastes on probiotics including lactobacillus (l.) acidophilus (atcc® 4356™), l. casei (atcc® 393™) and l. paracasei spp. paracasei (atcc® baa52™) and the subsequent release of antioxidant and antimutagenic peptides in yogurt during their growth. oven- and freeze- dried peel and pomace were milled separately into ... | 2016 | 27570295 |
| in vitro physicochemical, phytochemical and functional properties of fiber rich fractions derived from by-products of six fruits. | a comparative study was done on the health promoting and functional properties of the fibers obtained as by-products from six fruits viz., pomace of carambola (averrhoa carambola l.) and pineapple (ananas comosus l. merr), peels of watermelon (citrullus lanatus), burmese grape (baccurea sapida muell. arg) and khasi mandarin orange (citrus reticulata blanco), and blossom of seeded banana (musa balbisiana, abb). highest yield of fiber was obtained from burmese grape peel (bgpl, 79.94 ± 0.41 g/100 ... | 2016 | 27570274 |
| prevalence of oral allergy syndrome in children with allergic diseases. | the oral allergy syndrome (oas) is a particular type of food allergy rarely explored in the paediatric population that is already considered an adult problem. | 2017 | 27567321 |
| cattle management practices and milk production on mixed smallholder organic pineapple farms in central uganda. | a longitudinal study to assess animal management practices and milk production was conducted for a period of 12 months on 30 smallholder farms keeping dairy cattle and certified organic pineapple production in luwero and kayunga districts, based on questionnaire and on-farm collected data. farm sizes were 9.3 ± 6.7 acres in tethering system and 4.3 ± 2.6 acres in zero-grazing. fifty-four percent of the zero-grazing herds had animal housing facilities. all farmers in tethering system kept cows on ... | 2016 | 27539231 |
| postharvest internal browning of pineapple fruit originates at the phloem. | a typical symptom of postharvest chilling injury (pci) in pineapple fruit (ananas comosus (l.) merr.) is internal browning (ib) near the fruit core. since vascular bundles (vbs) are localized to this region, it was hypothesized that the vbs might be the site of ib. to test this, the anatomy and histochemistry of vbs during chilling stress in four pineapple cultivars with different levels of sensitivity to pci were examined. fruit were stored at 10°c for up to three weeks to stimulate translucenc ... | 2016 | 27517640 |
| comparison of cheese and paneer whey for production of a functional pineapple beverage: nutraceutical properties and shelf life. | whey, a dairy byproduct offers a challenging task in terms of its disposal. two functional beverages were produced by blending pineapple juice with cheese whey (w1b) and paneer whey (w2b) at different concentrations (10 %, 20 % and 30 %). the beverages were compared for physico-chemical, microbial and nutraceutical properties over a period of 60 days. whey addition significantly improved various physico-chemical parameters of the beverages. higher protein content in w1b and a higher mineral cont ... | 2016 | 27478211 |
| usage of plant food supplements (pfs) for weight control in six european countries: results from the plantlibra pfs consumer survey 2011-2012. | obesity is increasing worldwide and weight-control strategies, including the consumption of plant food supplements (pfs), are proliferating. this article identifies the herbal ingredients in pfs consumed for weight control and by overweight/obese dieters in six european countries, and explores the relationship between their consumption and their self-reported bmi. | 2016 | 27465483 |
| a comprehensive and comparative gc-ms metabolomics study of non-volatiles in tanzanian grown mango, pineapple, jackfruit, baobab and tamarind fruits. | tropical fruits contribute significantly to the total fruit intake worldwide. however, their metabolomes have not yet been investigated comprehensively, as most previous studies revealed only volatile and bulk compositions. this study compares non-volatile metabolites of five fruits grown in tanzania. a new methodology is developed for broad-spectrum gc-ms metabolomics in fruits using a new derivatization and a two dimensional peak deconvolution techniques. a total of 92 peaks were detected from ... | 2016 | 27451236 |
| a magnetic tri-enzyme nanobiocatalyst for fruit juice clarification. | the major complications in fruit juice quality improvement are the presence of polysaccharides components in the form of disrupted fruit cell wall and cell materials. hence, breakdown of cellulose along with pectin and starch is important for the juice processing. in this context, magnetic tri-enzyme nanobiocatalyst was prepared by simultaneously co-immobilizing three enzymes; α-amylase, pectinase and cellulase onto amino-functionalized magnetic nanoparticle by 60mm glutaraldehyde concentration ... | 2016 | 27451184 |
| investigation of uterotonic properties of ananas comosus extracts. | in folklore medicine ananas comosus (pineapple) is reputed to act as an abortifacient and in expectant women as a means of inducing labor. several reports have claimed abortifacient property of a. comosus fruit (ripe or unripe). ripe fruit has been used orally as traditional medicine in inducing abortion in kerala state of india while the juice of unripe fruit was used for abortion in bangladesh. however, scientific evidence supporting the efficacy of pineapple extracts in inducing uterine contr ... | 2016 | 27426506 |
| pineapple waste extract for preventing oxidation in model food systems. | pineapple (ananas comosus) is consumed in the form of chunks (canned), cubes, fruit salad, and also in juices, concentrates, and jams. in the processes to produce these products, the waste generated represents a high percentage of the total fruit. some studies have shown that residues of certain fruits, such as pineapple, have the same antioxidant activity as the fruit pulp. so although these residues are discarded, they could be used as an alternative source of polyphenols, as natural antioxida ... | 2016 | 27384012 |
| the draft genome of md-2 pineapple using hybrid error correction of long reads. | the introduction of the elite pineapple variety, md-2, has caused a significant market shift in the pineapple industry. better productivity, overall increased in fruit quality and taste, resilience to chilled storage and resistance to internal browning are among the key advantages of the md-2 as compared with its previous predecessor, the smooth cayenne. here, we present the genome sequence of the md-2 pineapple (ananas comosus (l.) merr.) by using the hybrid sequencing technology from two highl ... | 2016 | 27374615 |
| evaluation of nutritional and antioxidant properties of the tropical fruits banana, litchi, mango, papaya, passion fruit and pineapple cultivated in réunion french island. | much attention is paid to the beneficial action of fruits against obesity-related oxidative stress. this study evaluated nutritional and antioxidant properties of banana, litchi, mango, papaya, passion fruit and pineapple from réunion french island. results showed that total amounts of carbohydrates, vitamin c and carotenoids were 7.7-67.3g glucose equivalent, 4.7-84.9mg ascorbic acid equivalent and 26.6-3829.2μg β-carotene equivalent/100g fresh weight, respectively. polyphenols were detected as ... | 2016 | 27374527 |
| sexual versus asexual reproduction: distinct outcomes in relative abundance of parthenogenetic mealybugs following recent colonization. | asexual reproduction, including parthenogenesis in which embryos develop within a female without fertilization, is assumed to confer advantages over sexual reproduction, which includes a "cost of males." sexual reproduction largely predominates in animals, however, indicating that this cost is outweighed by the genetic and/or ecological benefits of sexuality, including the acquisition of advantageous mutations occurring in different individuals and the elimination of deleterious mutations. but t ... | 2016 | 27322381 |
| characterization of a polyhydroxyalkanoate obtained from pineapple peel waste using ralsthonia eutropha. | agro-industrial waste can be the production source of biopolymers such as polyhydroxyalkanoates. the aim of this study was to produce and characterize polyhydroxyalkanoates produced from pineapple peel waste fermentation processes. the methodology includes different pineapple peel waste fermentation conditions. the produced biopolymer was characterized using ftir, gc-ms and nmr. the best fermentation condition for biopolymer production was obtained using ph 9, carbon/nitrogen 11, carbon/phosphor ... | 2016 | 27316828 |
| hyaluronic acid grafted plga copolymer nanoparticles enhance the targeted delivery of bromelain in ehrlich's ascites carcinoma. | rapidly increasing malignant neoplastic disease demands immediate attention. several dietary compounds have recently emerged as strong anti-cancerous agents. among, bromelain (bl), a protease from pineapple plant, was used to enhance its anti-cancerous efficacy using nanotechnology. in lieu of this, hyaluronic acid (ha) grafted plga copolymer, having tumor targeting ability, was developed. bl was encapsulated in copolymer to obtain bl-copolymer nanoparticles (nps) that ranged between 140 to 281n ... | 2016 | 27287553 |
| amyloidogenic behavior of different intermediate state of stem bromelain: a biophysical insight. | stem bromelain, a cysteine proteases from ananas comosus is a widely accepted therapeutic drug with broad medicinal application. it exists as intermediate states at ph 2.0 and 10.0, where it encountered in gastrointestinal tract during adsorption (acidic ph) and in gut epithelium (alkaline ph), respectively. in this study, we monitored the thermal aggregation/amyloid formation of sb at different ph intermediate states. thermal treatment of stem bromelain at ph 10.0 favors the fibrillation in whi ... | 2016 | 27259642 |
| molecular cloning and characterization of four genes encoding ethylene receptors associated with pineapple (ananas comosus l.) flowering. | exogenous ethylene, or ethephon, has been widely used to induce pineapple flowering, but the molecular mechanism behind ethephon induction is still unclear. in this study, we cloned four genes encoding ethylene receptors (designated acers1a, acers1b, acetr2a, and acetr2b). the 5' flanking sequences of these four genes were also cloned by self-formed adaptor pcr and sitefinding-pcr, and a group of putative cis-acting elements was identified. phylogenetic tree analysis indicated that acers1a, acer ... | 2016 | 27252725 |
| ananas comosus effect on perineal pain and wound healing after episiotomy: a randomized double-blind placebo-controlled clinical trial. | ananas comosus has long been used for medical purposes. currently, we are experiencing an unprecedented interest in the use of complementary medicine as well as a growing attention to traditional products such as bromelain for wound healing and reducing pain. | 2016 | 27247780 |
| current trends of tropical fruit waste utilization. | recent rapid growth of the world's population has increased food demands. this phenomenon poses a great challenge for food manufacturers in maximizing the existing food or plant resources. nowadays, the recovery of health benefit bioactive compounds from fruit wastes is a research trend not only to help minimize the waste burden, but also to meet the intensive demand from the public for phenolic compounds which are believed to have protective effects against chronic diseases. this review is focu ... | 2016 | 27246698 |
| comparison between brazilian agro-wastes and activated carbon as adsorbents to remove ni(ii) from aqueous solutions. | this research was performed to find an alternative, low-cost, competitive, locally available and efficient adsorbent to treat nickel (ni) containing effluents. for this purpose, several brazilian agro-wastes like sugarcane bagasse (scb), passion fruit wastes (pfw), orange peel (op) and pineapple peel (pp) were compared with an activated carbon (ac). the adsorbents were characterized. effects of fundamental factors affecting the adsorption were investigated using batch tests. kinetic and equilibr ... | 2016 | 27232408 |
| modified pineapple peel cellulose hydrogels embedded with sepia ink for effective removal of methylene blue. | novel composite hydrogels based on pineapple peel cellulose and sepia ink were synthesized by homogeneous acetylation of cellulose in ionic liquid 1-butyl-3-methylimidazolium chloride. the structure and morphology of the prepared hydrogels were characterized by fourier transform infrared spectroscopy, field emission scanning electron microscope, x-ray diffraction, thermogravimetry and differential scanning calorimetry. the effects of acetylation time, acetylation temperature, molar ratio of acet ... | 2016 | 27185109 |
| anti-rheumatic activity of ananas comosus fruit peel extract in a complete freund's adjuvant rat model. | rheumatoid arthritis is a chronic, autoimmune and systemic inflammatory disease, which targets synovial joints leading to joint destruction mediated in part by migration of inflammatory cells into the synovial tissue. | 2016 | 27181794 |
| use of honey associated with ananas comosus (bromelin) in the treatment of acute irritative cough. | to evaluate the immediate improvement rate of irritative cough in patients treated with the combination of ananas comosus extract and honey (bromelin(®)) compared with the use of honey alone (placebo group). | 2016 | 27181342 |
| formulation development of topical cream loaded with ananas comosus extract: in vivo evaluation for changes in skin barrier function using biophysical techniques. | the prime objective of current investigation was to develop a topical skin care cream (w/o) loaded with ananas comosus extract versus placebo control, and evaluated non-invasively for changes in skin barrier function i.e., epidermal hydration levels and transepidermal water loss (tewl), on healthy human volunteers. active cream carrying 2% extract of ananas comosus in the internal phase of w/o emulsion was prepared while placebo contained no extract. stability assessment of both creams was perfo ... | 2016 | 27180442 |
| nucleotides, micro- and macro-nutrients, limonoids, flavonoids, and hydroxycinnamates composition in the phloem sap of sweet orange. | currently, the global citrus production is declining due to the spread of huanglongbing (hlb). hlb, otherwise known as citrus greening, is caused by candidatus liberibacter asiaticus (clas) and is transmitted by the asian citrus psyllids (acp), diaphorina citri kuwayama. acp transmits clas bacterium while feeding on the citrus phloem sap. multiplication of clas in the phloem of citrus indicates that the sap contains all the essential nutrients needed for clas. in this study, we investigated the ... | 2016 | 27171979 |
| insights into the key aroma compounds in mango (mangifera indica l. 'haden') fruits by stable isotope dilution quantitation and aroma simulation experiments. | thirty-four aroma-active compounds, previously identified with high flavor dilution factors by application of an aroma extract dilution analysis, were quantified in tree-ripened fruits of mango (mangifera indica l. 'haden'). from the results, the odor activity value (oav) was calculated for each compound as the ratio of its concentration in the mangoes to its odor threshold in water. oavs > 1 were obtained for 24 compounds, among which ethyl 2-methylbutanoate (fruity; oav 2100), (3e,5z)-undeca-1 ... | 2016 | 27167034 |
| new insights for diagnosis of pineapple fusariosis by maldi-tof ms technique. | fusarium is one of the most economically important fungal genus, since it includes many pathogenic species which cause a wide range of plant diseases. morphological or molecular biology identification of fusarium species is a limiting step in the fast diagnosis and treatment of plant disease caused by these fungi. mass spectrometry by matrix-assisted laser/desorption ionisation-time-of-flight (maldi-tof)-based fingerprinting approach was applied to the fungal growth monitoring and direct detecti ... | 2016 | 27117163 |
| effect of methyl butyrate aroma on the survival and viability of human breast cancer cells in vitro. | aroma can have far reaching effects on mind, body and soul. pleasant aromas are known to have a soothing effect on the mind and are known to relieve stress and enhance concentration. recently, it has been demonstrated that aroma may also have some curative effects as well as benefits and can be used both for prophylaxis and therapy of diseases. our aim was to test our hypothesis whether aroma can cure or prevent cancer. methyl butyrate (mb) is the methyl ester of butyric acid having a characteri ... | 2016 | 27106628 |
| comparative study of the physicochemical, compositional and functional properties of eight flours obtained from different plant materials found in colombia. | the physicochemical, compositional and functional properties of flour from green plantains (musa acuminata) of the large green plantain variety, oyster mushrooms (pleorotus ostreatus), pineapple peel (ananas comosus) of the 'apple pineapple' variety, yellow peas (pisum sativum), chickpeas (cicer arietinum), whole grain rice (oryza sativa), whole grain corn (zea mays) and whole grain white quinoa (chenopodium quinoa) were evaluated by using one-way analysis of variance, pearson correlations and p ... | 2016 | 27091150 |
| dietary supplementation of green synthesized manganese-oxide nanoparticles and its effect on growth performance, muscle composition and digestive enzyme activities of the giant freshwater prawn macrobrachium rosenbergii. | the green synthesized mn3o4 nanoparticles (manganese-oxide nanoparticles) using ananas comosus (l.) peel extract was characterized by various techniques. hr-sem photograph showed that manganese-oxide nanoparticles (mn-oxide nps) were spherical in shape, with an average size of 40-50 nm. the zeta potential revealed the surface charge of mn-oxide nps to be negative. further, the mn-oxide nps were dietary supplemented for freshwater prawn macrobrachium rosenbergii. the experimental basal diets were ... | 2016 | 27049122 |
| the physico-chemical properties of some citrus seeds and seed oils. | the chemical properties, mineral contents, fatty acid and tocopherol contents of seed and seed oils of some citrus genus provided from several locations in turkey and saudi arabia were determined. while ca contents of seeds were between 5018 mg/kg (kütdiken lemon) and 7619 mg/kg (kinnow mandarin), k contents of seeds varied between 7007 mg/kg (orlando orange) and 10334 mg/kg (kinnow mandarin). glucose and fructose contents of citrus seed samples varied between 3.75 g/kg and 5.75 g/kg, and 4.09 g ... | 2016 | 27023319 |
| in vivo evaluation of skin irritation potential, melasma and sebum content following long term application of skin care cream in healthy adults, using non-invasive biometrological techniques. | the present investigation was conducted to evaluate non-invasively, various functional skin parameters i.e., irritation potential, melasma and sebum contents following long term application of topical cream (w/o) loaded with 2% methanolic extract of ananas comosus l. versus placebo control (base) in healthy adults. healthy human volunteers (n = 11, aged 20-30 years) were recruited for investigation and written informed consent was taken from each volunteer. in this single blinded study every vol ... | 2016 | 27008816 |
| physicochemical, functional and antioxidant properties of tropical fruits co-products. | the aim of this study was to determine the physicochemical, functional and antioxidant properties of mango (mac), pineapple (pac) and passion fruit (pfc) co-products in order to evaluate them as ingredients for food application. proximate composition showed low fat content (0.95-5.64 g/100 g), and high levels of dietary fiber. in pineapple and passion fruit co-products, dietary fiber represented more than 50 % of the sample. low ph, water activity, along with high acidity indicated that these co ... | 2016 | 26984339 |
| de novo transcriptome assembly of floral buds of pineapple and identification of differentially expressed genes in response to ethephon induction. | a remarkable characteristic of pineapple is its ability to undergo floral induction in response to external ethylene stimulation. however, little information is available regarding the molecular mechanism underlying this process. in this study, the differentially expressed genes (degs) in plants exposed to 1.80 ml·l(-1) (t1) or 2.40 ml·l(-1) ethephon (t2) compared with ct plants (control, cleaning water) were identified using rna-seq and gene expression profiling. illumina sequencing generated 6 ... | 2016 | 26955375 |
| comparative study of antitumor effects of bromelain and papain in human cholangiocarcinoma cell lines. | cholangiocarcinoma (cc) worldwide is the most common biliary malignancy with poor prognostic value and new systemic treatments are desirable. plant extracts like bromelain and papain, which are cysteine proteases from the fruit pineapple and papaya, are known to have antitumor activities. therefore, in this study for the first time we investigated the anticancer effect of bromelain and papain in intra- and extrahepatic human cc cell lines. the effect of bromelain and papain on human cc cell grow ... | 2016 | 26935541 |
| odors identification differences in deficit and nondeficit schizophrenia. | there is evidence that deficit schizophrenia (ds) is associated with neuroanatomical changes in structures including those involved in olfaction. olfactory dysfunction, which includes impaired odor identification, is found in patients with schizophrenia and their family members. | 2016 | 26922544 |
| [detection of syrup adulterants in prepackaged pure pineapple juice by fourier-transform infrared spectroscopy and chemometric analysis]. | this study was performed to establish a method that can quickly and accurately identify adulterated syrup in the pure pineapple juice. a attenuated total internal refraction-fourier transform infrared spectroscopy was used to collect the range of 900 -1 500 cm(-1) infrared spectra of 234 samples pure pineapple juice and adulterated syrup by beet syrup, rice syrup and cassava syrup. by using linear discriminant analysis and support vector machine for the identification model, comparing the full s ... | 2015 | 26904809 |
| an electrochemical impedance spectroscopy system for monitoring pineapple waste saccharification. | electrochemical impedance spectroscopy (eis) has been used for monitoring the enzymatic pineapple waste hydrolysis process. the system employed consists of a device called advanced voltammetry, impedance spectroscopy & potentiometry analyzer (avispa) equipped with a specific software application and a stainless steel double needle electrode. eis measurements were conducted at different saccharification time intervals: 0, 0.75, 1.5, 6, 12 and 24 h. partial least squares (pls) were used to mod ... | 2016 | 26861317 |
| evaluation of the enzymatic activity and stability of commercial bromelain incorporated in topical formulations. | bromelain is a mixture of proteolytic enzymes found in various tissues of the pineapple plant (ananas comosus) and other species of bromeliaceae. owing to its proteolytic activity, bromelain has been used in the food, medical, pharmaceutical and cosmetic industries, for its cell renewal, anti-ageing, whitening and anti-cellulite properties. | 2016 | 26833020 |
| phyllotaxis: a framework for foam topological evolution. | phyllotaxis describes the arrangement of florets, scales or leaves in composite flowers or plants (daisy, aster, sunflower, pinecone, pineapple). as a structure, it is a geometrical foam, the most homogeneous and densest covering of a large disk by voronoi cells (the florets), constructed by a simple algorithm: points placed regularly on a generative spiral constitute a spiral lattice, and phyllotaxis is the tiling by the voronoi cells of the spiral lattice. locally, neighboring cells are organi ... | 2016 | 26810397 |
| pineapple by-product and canola oil as partial fat replacers in low-fat beef burger: effects on oxidative stability, cholesterol content and fatty acid profile. | the effect of freeze-dried pineapple by-product and canola oil as fat replacers on the oxidative stability, cholesterol content and fatty acid profile of low-fat beef burgers was evaluated. five treatments were performed: conventional (cn, 20% fat) and four low-fat formulations (10% fat): control (ct), pineapple by-product (pa), canola oil (co), and pineapple by-product and canola oil (pc). low-fat cooked burgers showed a mean cholesterol content reduction of 9.15% compared to the cn. canola oil ... | 2016 | 26775152 |
| leaf malate and succinate accumulation are out of phase throughout the development of the cam plant ananas comosus. | in plants with crassulacean acid metabolism (cam), organic acids, mainly malate are crucial intermediates for carbon fixation. in this research we studied the circadian oscillations of three organic anions (malate, citrate, and succinate) in ananas comosus, assessing the effect of season and plant development stage. seasonal and plant development dependencies were observed. the circadian oscillations of malate and citrate were typical of cam pathways reported in the literature. citrate content w ... | 2016 | 26773544 |
| dietary patterns and retinal vascular calibre in children and adolescents with type 1 diabetes. | to examine the association between dietary patterns and retinal vascular calibre in children and adolescents with type 1 diabetes. | 2016 | 26749006 |
| novel species and expanded distribution of ellipsoidal multicellular magnetotactic prokaryotes. | multicellular magnetotactic prokaryotes (mmps) are a peculiar group of magnetotactic bacteria, each comprising approximately 10-100 cells of the same phylotype. two morphotypes of mmp have been identified, including several species of globally distributed spherical mulberry-like mmps (s-mmps), and two species of ellipsoidal pineapple-like mmps (e-mmps) from china (qingdao and rongcheng cities). we recently collected e-mmps from mediterranean sea sediments (six-fours-les-plages) and drummond isla ... | 2016 | 26711721 |
| erratum to: complete chloroplast genome sequence of md-2 pineapple and its comparative analysis among nine other plants from the subclass commelinidae. | | 2015 | 26683477 |
| pain in the early phase of pediatric pancreatitis (pineapple trial): pre-study protocol of a multinational prospective clinical trial. | there are unexpectedly large differences between the incidences of acute pancreatitis (ap) as indicated by different hospitals. retrospective studies suggest that the reason behind this is the large differences that exist between the local managements of abdominal pain at emergency units. unfortunately, no evidence-based medicine (ebm) guidelines are available to give proper instruction concerning the necessity of serum pancreatic enzyme measurement during abdominal pain. | 2016 | 26641250 |
| developing single nucleotide polymorphism markers for the identification of pineapple (ananas comosus) germplasm. | pineapple (ananas comosus [l.] merr.) is the third most important tropical fruit in the world after banana and mango. as a crop with vegetative propagation, genetic redundancy is a major challenge for efficient genebank management and in breeding. using expressed sequence tag and nucleotide sequences from public databases, we developed 213 single nucleotide polymorphism (snp) markers and validated 96 snps by genotyping the united states department of agriculture - agricultural research service p ... | 2015 | 26640697 |
| cultivar identification and genetic relationship of pineapple (ananas comosus) cultivars using ssr markers. | the genetic relationships among 27 pineapple [ananas comosus (l.) merr.] cultivars and lines were examined using 16 simple sequence repeat (ssr) markers. the number of alleles per locus of the ssr markers ranged from 2 to 6 (average 3.19), for a total of 51 alleles. similarity coefficients were calculated on the basis of 51 amplified bands. a dendrogram was created according to the 16 ssr markers by the unweighted pair-group method. the banding patterns obtained from the ssr primers allowed most ... | 2015 | 26634465 |
| [basic studies on the stability of flavored oral solutions of rebamipide]. | stomatitis frequently occurs during chemotherapy and radiotherapy for cancer. because of its pharmacological properties including anti-inflammatory activity and stimulatory effects on endogenous prostaglandin synthesis, rebamipide has been suggested as a potentially effective treatment against stomatitis. in the present study we tested the stability of oral rebamipide solutions prepared in our hospital pharmacy using sodium alginate as a thickener to increase retention of this agent in the oral ... | 2015 | 26632156 |
| a taste of pineapple evolution through genome sequencing. | the genome sequence assembly of the highly heterozygous ananas comosus and its varieties is an impressive technical achievement. the sequence opens the door to a greater understanding of pineapple morphology and evolution. | 2015 | 26620110 |
| reverse micellar extraction of bromelain from pineapple peel--effect of surfactant structure. | pineapple peel is generally disposed or used as compost. this study was focused on extracting bromelain from pineapple peel by using reverse micelles. it was found that gemini surfactant c12-8-c12·2br (octamethylene-α,ω-bis(dimethyldodecylammonium bromide)) showed distinctive advantage over its monomeric counterpart dtab (dodecyl trimethyl ammonium bromide); under optimized condition, the bromelain extracted with c12-8-c12·2br reverse micelle had an activity recovery of 163% and a purification f ... | 2016 | 26616974 |
| trade-offs of flowering and maturity synchronisation for pineapple quality. | in the pineapple sector of benin, poor fruit quality prevents pineapple producers to enter the european market. we investigated effects of common cultural practices, flowering and maturity synchronisation, (1) to quantify the trade-offs of flowering and maturity synchronisation for pineapple quality and the proportion of fruits exportable to european markets, and (2) to determine the effect of harvesting practice on quality attributes. four on-farm experiments were conducted during three years u ... | 2015 | 26599545 |
| ethanol determination in frozen fruit pulps: an application of quantitative nuclear magnetic resonance. | this study reports the chemical composition of five types of industrial frozen fruit pulps (acerola, cashew, grape, passion fruit and pineapple fruit pulps) and compares them with homemade pulps at two different stages of ripening. the fruit pulps were characterized by analyzing their metabolic profiles and determining their ethanol content using quantitative nuclear magnetic resonance (qnmr). in addition, principal component analysis (pca) was applied to extract more information from the nmr da ... | 2016 | 26578064 |
| discovery of a sexual cycle in talaromyces amestolkiae. | talaromyces amestolkiae is a common cosmopolitan species that has been cultured from indoor house dust, sputum and lungs from cystic fibrosis patients, indoor air, wheat, soil, pineapple, sculptures and manure. it was described as an asexual talaromyces species and was reported to produce black sclerotia. in this study we report on the induction of sexual reproductive structures in t. amestolkiae. the mating type of 18 t. amestolkiae strains was determined with mat-specific primers. subsequently ... | 2016 | 26577610 |
| long-term preconditioning of plantlets: a practical method for enhancing survival of pineapple (ananas comosus merr.) shoot tips cryopreserved using vitrification. | the purpose of this study was to develop an efficient cryopreservation protocol for pineapple (ananas comosus merr.) shoot tips. | 2015 | 26575997 |
| effects of pineapple byproduct and canola oil as fat replacers on physicochemical and sensory qualities of low-fat beef burger. | pineapple byproduct and canola oil were evaluated as fat replacers on physicochemical and sensory characteristics of low-fat burgers. five treatments were performed: conventional (cn, 20% fat) and four low-fat formulations (10% fat): control (ct), pineapple byproduct (pa), canola oil (co), pineapple byproduct and canola oil (pc). higher water and fat retention and lower cooking loss and diameter reduction were found in burgers with byproduct addition. in raw burgers, byproduct incorporation redu ... | 2016 | 26562792 |
| the pineapple genome and the evolution of cam photosynthesis. | pineapple (ananas comosus (l.) merr.) is the most economically valuable crop possessing crassulacean acid metabolism (cam), a photosynthetic carbon assimilation pathway with high water-use efficiency, and the second most important tropical fruit. we sequenced the genomes of pineapple varieties f153 and md2 and a wild pineapple relative, ananas bracteatus accession cb5. the pineapple genome has one fewer ancient whole-genome duplication event than sequenced grass genomes and a conserved karyotype ... | 2015 | 26523774 |
| stability, purification, and applications of bromelain: a review. | bromelain is a cysteine protease found in pineapple tissue. because of its anti-inflammatory and anti-cancer activities, as well as its ability to induce apoptotic cell death, bromelain has proved useful in several therapeutic areas. the market for this protease is growing, and several studies exploring various properties of this molecule have been reported. this review aims to compile this data, and summarize the main findings on bromelain in the literature to date. the physicochemical properti ... | 2016 | 26518672 |
| square bananas, blue horses: the relative weight of shape and color in concept recognition and representation. | the present study investigates the role that shape and color play in the representation of animate (i.e., animals) and inanimate manipulable entities (i.e., fruits), and how the importance of these features is modulated by different tasks. across three experiments participants were shown either images of entities (e.g., a sheep or a pineapple) or images of the same entities modified in color (e.g., a blue pineapple) or in shape (e.g., an elongated pineapple). in experiment 1 we asked participant ... | 2015 | 26500593 |
| antibacterial activity of papain and bromelain on alicyclobacillus spp. | alicyclobacillus spp. are spore forming bacteria that are often related to the deterioration of acidic products such as beverages and citrus juices. after the process of industrial pasteurization, the spore produced by the bacteria can germinate and the microorganism can grow, causing sensory abnormalities in the product. alternative biopreservatives, such as the antimicrobial compounds, are of considerable importance to the food industry. papain and bromelain are proteolytic enzymes derived fro ... | 2016 | 26476327 |
| independent origins and incipient speciation among host-associated populations of thielaviopsis ethacetica in cameroon. | thielaviopsis ethacetica was recently reinstated as a distinct taxon using dna phylogenies. it is widespread affecting several crop plants of global economic importance. in this study, microsatellite markers were developed and used in conjunction with sequence data to investigate the genetic diversity and structure of th. ethacetica in cameroon. a collection of 71 isolates from cacao, oil palm, and pineapple, supplemented with nine isolates from other countries were analysed. four genetic groups ... | 2015 | 26466872 |
| modulation of lipopolysaccharide stimulated nuclear factor kappa b mediated inos/no production by bromelain in rat primary microglial cells. | microglial cells act as the sentinel of the central nervous system .they are involved in neuroprotection but are highly implicated in neurodegeneration of the aging brain. when over-activated, microglia release pro-inflammatory factors, such as nitric oxide (no) and cytokines, which are critical in eliciting neuroinflammatory responses associated with neurodegenerative diseases. this study examined whether bromelain, the pineapple-derived extract, may exert an anti-inflammatory effect in primary ... | 2016 | 26459398 |
| biology and trapping of stable flies (diptera: muscidae) developing in pineapple residues (ananas comosus) in costa rica. | pineapple production in costa rica increased nearly 300-fold during the last 30 yr, and >40,000 hectares of land are currently dedicated to this crop. at the end of the pineapple cropping cycle, plants are chopped and residues incorporated into the soil in preparation for replanting. associated with increased pineapple production has been a large increase in stable fly, stomoxys calcitrans (l.), populations. stable flies are attracted to, and oviposit in, the decomposing, chopped pineapple resid ... | 2015 | 26454479 |
| iron migration from undamaged and dented juice tinplate cans. | iron migration from tinplate cans to pineapple drink was studied over time using flame atomic absorption spectroscopy, taking into consideration storage temperature, sell-by date and can condition (dented/undamaged). an organoleptic test, at the sell-by date, was also performed. | 2016 | 26402218 |
| an electrochemical impedance spectroscopy-based technique to identify and quantify fermentable sugars in pineapple waste valorization for bioethanol production. | electrochemical impedance spectroscopy (eis) has been used to develop a methodology able to identify and quantify fermentable sugars present in the enzymatic hydrolysis phase of second-generation bioethanol production from pineapple waste. thus, a low-cost non-destructive system consisting of a stainless double needle electrode associated to an electronic equipment that allows the implementation of eis was developed. in order to validate the system, different concentrations of glucose, fructose ... | 2015 | 26378537 |
| plasticity of crassulacean acid metabolism at subtropical latitudes: a pineapple case study. | plants with the crassulacean acid metabolism (cam) express high-metabolic plasticity, to adjust to environmental stresses. this article hypothesizes that irradiance and nocturnal temperatures are the major limitations for cam at higher latitudes such as the azores (37°45'n). circadian cam expression in ananas comosus l. merr. (pineapple) was assessed by the diurnal pattern of leaf carbon fixation into l-malate at the solstices and equinoxes, and confirmed by determining maximal phosphoenolpyruva ... | 2016 | 26362993 |