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https://www.readbyqxmd.com/read/28578060/the-impact-of-fruit-and-soybean-by-products-and-amaranth-on-the-growth-of-probiotic-and-starter-microorganisms
#1
Antonio Diogo Silva Vieira, Raquel Bedani, M A C Albuquerque, Vanessa Biscola, Susana Marta Isay Saad
The ability of different fruit by-products, okara, and amaranth flour, to support the growth of probiotic and non-probiotic strains was evaluated. The tests were conducted with three commercial starter cultures (Streptococcus thermophilus), ten probiotic strains (seven Lactobacillus spp. and three Bifidobacterium spp. strains), and two harmful bacteria representative of the intestinal microbiota (Escherichia coli and Clostridium perfringens). In vitro fermentability assays were performed using a modified MRS broth supplemented with different fruits (acerola, orange, passion fruit, and mango), and soy (okara) by-products or amaranth flour...
July 2017: Food Research International
https://www.readbyqxmd.com/read/28577516/improvement-of-bacillus-strains-by-mutation-for-overproduction-of-exopolygalacturonases
#2
Hira Muzzamal, Zakia Latif
Pectinases, produced by microorganisms, have wide range application in food industry, textile processing, paper making, coffee and tea fermentation, etc. It accounts for 10% of the global industrial enzymes produced. The most important and widely used commercial pectinase polygalacturonase is produced by alkalophilic strains of Bacillus sp. and Streptomyces sp. Here, we explored 29 bacterial strains isolated from rotten mango samples for polygalacturonase production and selected 16 strains through preliminary screening by well-plate method for enzyme activity...
August 2016: Indian Journal of Experimental Biology
https://www.readbyqxmd.com/read/28551261/production-of-sn-1-3-distearoyl-2-oleoyl-glycerol-rich-fats-from-mango-kernel-fat-by-selective-fractionation-using-2-methylpentane-based-isohexane
#3
Jun Jin, Liyou Zheng, Warda Mwinyi Pembe, Jinfang Zhang, Dan Xie, Xiaosan Wang, Jianhua Huang, Qingzhe Jin, Xingguo Wang
High-purity isohexane containing 88.12% 2-methylpentane, which has a higher polarity than industrial hexane, was selected to selectively fractionate mango kernel fat to produce 1,3-distearoyl-2-oleoyl-glycerol (SOS)-rich fat. The three-stage fractionation process was optimized by considering the stearin yield and its SOS content to obtain a third stearin (TS). This fat contained a high percentage of SOS (69.2%) with only 0.8% diacylglycerol. Mass spectra and sn-2 fatty acid analyses further revealed that the TS was mainly composed of symmetrical monounsaturated triacylglycerols...
November 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28489022/lactic-fermentation-as-an-efficient-tool-to-enhance-the-antioxidant-activity-of-tropical-fruit-juices-and-teas
#4
Amandine Fessard, Ashish Kapoor, Jessica Patche, Sophie Assemat, Mathilde Hoarau, Emmanuel Bourdon, Theeshan Bahorun, Fabienne Remize
Tropical fruits like pineapple, papaya, mango, and beverages such as green or black teas, represent an underestimated source of antioxidants that could exert health-promoting properties. Most food processing technologies applied to fruit beverages or teas result in an impairment of inherent nutritional properties. Conversely, we hypothesise that lactic acid fermentation may constitute a promising route to maintain and even improve the nutritional qualities of processed fruits. Using specific growth media, lactic acid bacteria were selected from the fruit phyllosphere diversity and fruit juice, with the latter undergoing acidification kinetics analyses and characterised for exopolysaccharide production...
May 10, 2017: Microorganisms
https://www.readbyqxmd.com/read/28473837/genetic-map-of-mango-a-tool-for-mango-breeding
#5
David N Kuhn, Ian S E Bally, Natalie L Dillon, David Innes, Amy M Groh, Jordon Rahaman, Ron Ophir, Yuval Cohen, Amir Sherman
Mango (Mangifera indica) is an economically and nutritionally important tropical/subtropical tree fruit crop. Most of the current commercial cultivars are selections rather than the products of breeding programs. To improve the efficiency of mango breeding, molecular markers have been used to create a consensus genetic map that identifies all 20 linkage groups in seven mapping populations. Polyembryony is an important mango trait, used for clonal propagation of cultivars and rootstocks. In polyembryonic mango cultivars, in addition to a zygotic embryo, several apomictic embryos develop from maternal tissue surrounding the fertilized egg cell...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28467185/copper-and-zinc-tolerance-in-bacteria-isolated-from-fresh-produce
#6
Ismael Cidre, Rubén Pérez Pulido, Maria José Grande Burgos, Antonio Gálvez, Rosario Lucas
The continued agricultural exposure of bacteria to metals such as copper and zinc may result in an increased copper tolerance through the food chain. The aim of this study was to determine the Cu and Zn tolerance of bacteria from fresh produce (cucumber, zucchini, green pepper, tomato, lettuce, vegetable salad, broccoli, cabbage, carrot, green onion, onion, and mango). Isolates (506 aerobic mesophiles) from 12 different food produce products were tested for growth in a range of Cu and Zn concentrations. Selected isolates were identified using 16S rDNA sequencing, and the presence of metal resistance genes was studied using PCR amplification...
June 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28288289/effect-of-children-s-drinks-on-color-stability-of-different-dental-composites-an-in-vitro-study
#7
Ahmed Nour El-Din Ahmed Habib, Soad Abdelmoniem Abdelmoniem, Sara Ahmed Mahmoud
AIM: To assess the effect of four different children's drinks on color stability of resin dental composites. STUDY DESIGN: A total of one hundred and twenty specimens were prepared from Grandio SO, Filtek Z350 XT and Filtek Z250 XT (forty specimens each). Specimens were thermocycled, then each group was further subdivided into four subgroups (n=10) according to the immersion media which were chocolate milk, mango juice, orange fizzy drink, and water (control). The initial color parameters of each specimen were recorded before immersion (baseline) and color change values were recorded three and seven days after immersion in each solution using a digital spectrophotometer...
2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28199916/isolation-of-four-phenolic-compounds-from-mangifera-indica-l-flowers-by-using-normal-phase-combined-with-elution-extrusion-two-step-high-speed-countercurrent-chromatography
#8
Nusrat Shaheen, Yanzhen Lu, Ping Geng, Qian Shao, Yun Wei
Two-step high speed countercurrent chromatography method, following normal phase and elution-extrusion mode of operation by using selected solvent systems, was introduced for phenolic compounds separation. Phenolic compounds including gallic acid, ethyl gallate, ethyl digallate and ellagic acid were separated from the ethanol extract of mango (Mangifera indica L.) flowers for the first time. In the first step, gallic acid of 3.7mg and ethyl gallate of 3.9mg with the purities of 98.87% and 99.55%, respectively, were isolated by using hexane-ethylacetate-methanol-water (4:6:4:6, v/v) in normal phase high speed countercurrent chromatography from 200mg of crude extract, while ethyl digallate and ellagic acid were collected in the form of mixture fraction...
March 1, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28139121/selective-inactivation-of-functional-rnas-by-ribozyme-catalyzed-covalent-modification
#9
Raghav R Poudyal, Malak Benslimane, Melissa P Lokugamage, Mackenzie K Callaway, Seth Staller, Donald H Burke
The diverse functions of RNA provide numerous opportunities for programming biological circuits. We describe a new strategy that uses ribozyme K28min to covalently tag a specific nucleobase within an RNA or DNA target strand to regulate and selectively inactivate those nucleic acids. K28min variants with appropriately reprogrammed internal guide sequences efficiently tagged multiple sites from an mRNA and from aptamer and ribozyme targets. Upon covalent modification by the corresponding K28min variant, an ATP-binding aptamer lost all affinity for ATP, and the fluorogenic Mango aptamer lost its ability to activate fluorescence of its dye ligand...
March 17, 2017: ACS Synthetic Biology
https://www.readbyqxmd.com/read/28137639/acid-sensing-ion-channel-1a-is-required-for-mglu-receptor-dependent-long-term-depression-in-the-hippocampus
#10
D Mango, E Braksator, G Battaglia, S Marcelli, N B Mercuri, M Feligioni, F Nicoletti, Z I Bashir, R Nisticò
Acid-sensing ion channels (ASICs), members of the degenerin/epithelial Na(+) channel superfamily, are widely distributed in the mammalian nervous system. ASIC1a is highly permeable to Ca(2+) and are thought to be important in a variety of physiological processes, including synaptic plasticity, learning and memory. To further understand the role of ASIC1a in synaptic transmission and plasticity, we investigated metabotropic glutamate (mGlu) receptor-dependent long-term depression (LTD) in the hippocampus. We found that ASIC1a channels mediate a component of LTD in P30-40 animals, since the ASIC1a selective blocker psalmotoxin-1 (PcTx1) reduced the magnitude of LTD induced by application of the group I mGlu receptor agonist (S)-3,5-Dihydroxyphenylglycine (DHPG) or induced by paired-pulse low frequency stimulation (PP-LFS)...
May 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28068488/side-streams-of-plant-food-processing-as-a-source-of-valuable-compounds-selected-examples
#11
Andreas Schieber
Industrial processing of plant-derived raw materials generates enormous amounts of by-products. On one hand, these by-products constitute a serious disposal issue because they often emerge seasonally and are prone to microbial decay. On the other hand, they are an abundant source of valuable compounds, in particular secondary plant metabolites and cell wall materials, which may be recovered and used to functionalize foods and replace synthetic additives with ingredients of natural origin. This review covers 150 references and presents select studies performed between 2001 and 2016 on the recovery, characterization, and application of valuable constituents from grape pomace, apple pomace, potato peels, tomato pomace, carrot pomace, onion peels, by-products of citrus, mango, banana, and pineapple processing, side streams of olive oil production, and cereal by-products...
February 28, 2017: Annual Review of Food Science and Technology
https://www.readbyqxmd.com/read/27836749/enhanced-chemoprevention-by-the-combined-treatment-of-pterostilbene-and-lupeol-in-b-a-p-induced-mouse-skin-tumorigenesis
#12
Payal Singh, Deepika Arora, Yogeshwer Shukla
The present study is aimed to evaluate the inhibitory effect of the combination of two phytochemicals; pterostilbeneand lupeol (generally obtained from blue berries, grapes, white cabbage, green pepper, olive and mangoes) on mouse skin tumorigenesis. We hypothesized that the concomitant topical treatment of selected phytochemicals would lead to improved impediment of skin cancer. Swiss albino mice (n = 25) received a topical dose of Benzo[a]pyrene (B[a]P, 5 μg/animal) with pre/post application of pterostilbene (16 μM/0...
January 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/27833891/characterization-of-mangifera-indica-cultivars-in-thailand-based-on-macroscopic-microscopic-and-genetic-characters
#13
Aunyachulee Ganogpichayagrai, Kanchana Rungsihirunrat, Chanida Palanuvej, Nijsiri Ruangrungsi
Thai mango cultivars are classified into six groups plus one miscellaneous group according to germplasm database for mango. Characterization is important for conservation and the development of Thai mango cultivars. This study investigated macroscopic, microscopic leaf characteristics, and genetic relationship among 17 cultivars selected from six groups of mango in Thailand. Selected mango samples were obtained from three different locations in Thailand (n = 57). They were observed for their leaf and fruit macroscopic characteristics...
October 2016: Journal of Advanced Pharmaceutical Technology & Research
https://www.readbyqxmd.com/read/27832144/global-potential-distribution-of-bactrocera-carambolae-and-the-risks-for-fruit-production-in-brazil
#14
Cesar A Marchioro
The carambola fruit fly, Bactrocera carambolae, is a tephritid native to Asia that has invaded South America through small-scale trade of fruits from Indonesia. The economic losses associated with biological invasions of other fruit flies around the world and the polyphagous behaviour of B. carambolae have prompted much concern among government agencies and farmers with the potential spread of this pest. Here, ecological niche models were employed to identify suitable environments available to B. carambolae in a global scale and assess the extent of the fruit acreage that may be at risk of attack in Brazil...
2016: PloS One
https://www.readbyqxmd.com/read/27801799/in-line-sorting-of-harumanis-mango-based-on-external-quality-using-visible-imaging
#15
Mohd Firdaus Ibrahim, Fathinul Syahir Ahmad Sa'ad, Ammar Zakaria, Ali Yeon Md Shakaff
The conventional method of grading Harumanis mango is time-consuming, costly and affected by human bias. In this research, an in-line system was developed to classify Harumanis mango using computer vision. The system was able to identify the irregularity of mango shape and its estimated mass. A group of images of mangoes of different size and shape was used as database set. Some important features such as length, height, centroid and parameter were extracted from each image. Fourier descriptor and size-shape parameters were used to describe the mango shape while the disk method was used to estimate the mass of the mango...
October 27, 2016: Sensors
https://www.readbyqxmd.com/read/27736892/leaf-transcriptome-sequencing-for-identifying-genic-ssr-markers-and-snp-heterozygosity-in-crossbred-mango-variety-amrapali-mangifera-indica-l
#16
Ajay Kumar Mahato, Nimisha Sharma, Akshay Singh, Manish Srivastav, Jaiprakash, Sanjay Kumar Singh, Anand Kumar Singh, Tilak Raj Sharma, Nagendra Kumar Singh
Mango (Mangifera indica L.) is called "king of fruits" due to its sweetness, richness of taste, diversity, large production volume and a variety of end usage. Despite its huge economic importance genomic resources in mango are scarce and genetics of useful horticultural traits are poorly understood. Here we generated deep coverage leaf RNA sequence data for mango parental varieties 'Neelam', 'Dashehari' and their hybrid 'Amrapali' using next generation sequencing technologies. De-novo sequence assembly generated 27,528, 20,771 and 35,182 transcripts for the three genotypes, respectively...
2016: PloS One
https://www.readbyqxmd.com/read/27688820/interrelation-of-glycemic-status-and-neuropsychiatric-disturbances-in-farmers-with-organophosphorus-pesticide-toxicity
#17
Farrukh Jamal, Quazi S Haque, Sangram Singh
BACKGROUND: Diverse group of agro-chemicals are indiscriminately sprayed by the farmers for pest control to enhance crop yield. About 25 million agricultural workers in the developing world suffer from at least one episode of poisoning each year, mainly by anticholinesterase- like organophosphates (OPs). OBJECTIVE: The present study was aimed to establish the OP toxicity in 187 occupationally exposed pesticide sprayers of mango plantation in rural Malihabad, Lucknow, in terms of neuro-cognitive impairment, mental health status, clinical symptoms, diabetes, and hematological factors...
2016: Open Biochemistry Journal
https://www.readbyqxmd.com/read/27625670/construction-of-a-high-density-genetic-map-based-on-large-scale-marker-development-in-mango-using-specific-locus-amplified-fragment-sequencing-slaf-seq
#18
Chun Luo, Bo Shu, Quangsheng Yao, Hongxia Wu, Wentian Xu, Songbiao Wang
Genetic maps are particularly important and valuable tools for quantitative trait locus (QTL) mapping and marker assisted selection (MAS) of plant with desirable traits. In this study, 173 F1 plants from a cross between Mangifera indica L. "Jin-Hwang" and M. indica L. "Irwin" and their parent plants were subjected to high-throughput sequencing and specific-locus amplified fragment (SLAF) library construction. After preprocessing, 66.02 Gb of raw data containing 330.64 M reads were obtained. A total of 318,414 SLAFs were detected, of which 156,368 were polymorphic...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27586495/comparative-transcriptome-analysis-of-unripe-and-mid-ripe-fruit-of-mangifera-indica-var-dashehari-unravels-ripening-associated-genes
#19
Smriti Srivastava, Rajesh K Singh, Garima Pathak, Ridhi Goel, Mehar Hasan Asif, Aniruddha P Sane, Vidhu A Sane
Ripening in mango is under a complex control of ethylene. In an effort to understand the complex spatio-temporal control of ripening we have made use of a popular N. Indian variety "Dashehari" This variety ripens from the stone inside towards the peel outside and forms jelly in the pulp in ripe fruits. Through a combination of 454 and Illumina sequencing, a transcriptomic analysis of gene expression from unripe and midripe stages have been performed in triplicates. Overall 74,312 unique transcripts with ≥1 FPKM were obtained...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27491891/pyrogallol-an-absorbable-microbial-gallotannins-metabolite-and-mango-polyphenols-mangifera-indica-l-suppress-breast-cancer-ductal-carcinoma-in-situ-proliferation-in-vitro
#20
Matthew J Nemec, Hyemee Kim, Alexandria B Marciante, Ryan C Barnes, Stephen T Talcott, Susanne U Mertens-Talcott
Mango is rich in bioactive absorbable polyphenols, but also contains considerable amounts of unabsorbable gallotannins at varying degrees of polymerization. Gallotannins are not absorbable upon consumption and have rarely been considered in the discussion of health benefits of polyphenols. Therefore, the objective of this study was to investigate the anti-proliferative activities of the major microbial metabolite of gallotannins, pyrogallol (PG) and a low molecular weight fraction of mango (Mangifera Indica L...
September 14, 2016: Food & Function
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