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Soy protein

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https://www.readbyqxmd.com/read/27918924/biodegradable-sizing-agents-from-soy-protein-via-controlled-hydrolysis-and-dis-entanglement-for-remediation-of-textile-effluents
#1
Maiping Yang, Helan Xu, Xiuliang Hou, Jie Zhang, Yiqi Yang
Fully biodegradable textile sizes with satisfactory performance properties were developed from soy protein with controlled hydrolysis and dis-entanglement to tackle the intractable environmental issues associated with the non-biodegradable polyvinyl alcohol (PVA) in textile effluents. PVA derived from petroleum is the primary sizing agent due to its excellent sizing performance on polyester-containing yarns, especially in increasingly prevailing high-speed weaving. However, due to the poor biodegradability, PVA causes serious environmental pollution, and thus, should be substituted with more environmentally friendly polymers...
December 2, 2016: Journal of Environmental Management
https://www.readbyqxmd.com/read/27918846/soy-food-intake-and-biomarkers-of-breast-cancer-risk-possible-difference-in-asian-women
#2
Gertraud Maskarinec, Dan Ju, Yukiko Morimoto, Adrian A Franke, Frank Z Stanczyk
Soy foods may protect against breast cancer in Asian but not in Western populations. We examined if the levels of various markers of breast cancer risk and inflammation, as well as the effects of soy food consumption on these markers, differ between Asian and non-Asian premenopausal women in two soy intervention trials. One study randomized 220 women to a 2-yr intervention and the other one randomized 96 women in a crossover design to examine the effects of consumption of 2 daily soy servings on nipple aspirate fluid (NAF) volume; estrogens in serum, NAF, and urine; insulin-like growth factor-1 (IGF-1), IGF-binding protein 3, and inflammatory markers in serum; and mammographic densities...
December 5, 2016: Nutrition and Cancer
https://www.readbyqxmd.com/read/27907206/intestinal-fluid-permeability-in-atlantic-salmon-salmo-salar-l-is-affected-by-dietary-protein-source
#3
Haibin Hu, Trond M Kortner, Karina Gajardo, Elvis Chikwati, John Tinsley, Åshild Krogdahl
In Atlantic salmon (Salmo salar L.), and also in other fish species, certain plant protein ingredients can increase fecal water content creating a diarrhea-like condition which may impair gut function and reduce fish growth. The present study aimed to strengthen understanding of the underlying mechanisms by observing effects of various alternative plant protein sources when replacing fish meal on expression of genes encoding proteins playing key roles in regulation of water transport across the mucosa of the distal intestine (DI)...
2016: PloS One
https://www.readbyqxmd.com/read/27903833/meal-distribution-of-dietary-protein-and-leucine-influences-long-term-muscle-mass-and-body-composition-in-adult-rats
#4
Layne E Norton, Gabriel J Wilson, Christopher J Moulton, Donald K Layman
BACKGROUND: Protein quantity and quality at a meal affect muscle protein synthesis (MPS); however, long-term effects of protein distribution at individual meals on adult muscle mass remain unknown. OBJECTIVE: We used a precise feeding protocol in adult rats to determine if optimizing postmeal MPS response by modifying the meal distribution of protein, and the amino acid leucine (Leu), would affect muscle mass. METHODS: Two studies were conducted with the use of male Sprague-Dawley rats (∼300 g) trained to consume 3 meals/d, then assigned to diet treatments with identical macronutrient contents (16% of energy from protein, 54% from carbohydrates, and 30% from fat) but differing in protein quality or meal distribution...
November 30, 2016: Journal of Nutrition
https://www.readbyqxmd.com/read/27903831/dietary-mung-bean-protein-reduces-hepatic-steatosis-fibrosis-and-inflammation-in-male-mice-with-diet-induced-nonalcoholic-fatty-liver-disease
#5
Hitoshi Watanabe, Yuka Inaba, Kumi Kimura, Shun-Ichiro Asahara, Yoshiaki Kido, Michihiro Matsumoto, Takayasu Motoyama, Nobuhiko Tachibana, Shuichi Kaneko, Mitsutaka Kohno, Hiroshi Inoue
BACKGROUND: As the prevalence of nonalcoholic fatty liver disease (NAFLD), including steatosis and nonalcoholic steatohepatitis, is increasing, novel dietary approaches are required for the prevention and treatment of NAFLD. OBJECTIVE: We evaluated the potential of mung bean protein isolate (MuPI) to prevent NAFLD progression. METHODS: In Expts. 1 and 2, the hepatic triglyceride (TG) concentration was compared between 8-wk-old male mice fed a high-fat diet (61% of energy from fat) containing casein, MuPI, and soy protein isolate and an MuPI-constituent amino acid mixture as a source of amino acids (18% of energy) for 4 wk...
November 30, 2016: Journal of Nutrition
https://www.readbyqxmd.com/read/27898907/apparent-total-tract-macronutrient-digestibility-fecal-characteristics-and-fecal-fermentative-end-product-concentrations-of-healthy-adult-dogs-fed-bioprocessed-soy-protein
#6
A N Beloshapka, M R C de Godoy, K B Detweiler, M Newcomb, K H Ellegård, G C Fahey, K S Swanson
Animal proteins are commonly used in extruded dog foods. Plant-based proteins have a more consistent nutrient profile than animal sources but may contain antinutritional factors, including trypsin inhibitors and oligosaccharides. Bioprocessed soy protein (SP; HP-300; Hamlet Protein, Inc., Findlay, OH) is a processed soy-based product with low antinutritional factor concentrations and high protein quality. The objective was to evaluate the effects of SP on apparent total tract macronutrient digestibility, fecal characteristics, and fecal fermentative end products...
September 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27893802/the-interaction-between-zein-and-lecithin-in-ethanol-water-solution-and-characterization-of-zein-lecithin-composite-colloidal-nanoparticles
#7
Lei Dai, Cuixia Sun, Di Wang, Yanxiang Gao
Lecithin, a naturally small molecular surfactant, which is widely used in the food industry, can delay aging, enhance memory, prevent and treat diabetes. The interaction between zein and soy lecithin with different mass ratios (20:1, 10:1, 5:1, 3:1, 2:1, 1:1 and 1:2) in ethanol-water solution and characterisation of zein and lecithin composite colloidal nanoparticles prepared by antisolvent co-precipitation method were investigated. The mean size of zein-lecithin composite colloidal nanoparticles was firstly increased with the rise of lecithin concentration and then siginificantly decreased...
2016: PloS One
https://www.readbyqxmd.com/read/27886135/soy-and-health-update-evaluation-of-the-clinical-and-epidemiologic-literature
#8
REVIEW
Mark Messina
Soyfoods have long been recognized as sources of high-quality protein and healthful fat, but over the past 25 years these foods have been rigorously investigated for their role in chronic disease prevention and treatment. There is evidence, for example, that they reduce risk of coronary heart disease and breast and prostate cancer. In addition, soy alleviates hot flashes and may favorably affect renal function, alleviate depressive symptoms and improve skin health. Much of the focus on soyfoods is because they are uniquely-rich sources of isoflavones...
November 24, 2016: Nutrients
https://www.readbyqxmd.com/read/27881641/folic-acid-conjugated-soybean-protein-based-nanoparticles-mediate-efficient-antitumor-ability-in%C3%A2-vitro
#9
Weijing Yao, Qian Zha, Xu Cheng, Xin Wang, Jun Wang, Rupei Tang
In this study, soy protein isolate was hydrolyzed by compound enzymes to give aqueous soy protein with low molecular weights. Folic acid modified and free soy protein nanoparticles were successfully prepared by a desolvation method as target-specific drug delivery, respectively. Ultraviolet spectrophotometry demonstrated that folic acid was successfully grafted onto soy protein. The shape and size of folic acid modified soy protein nanoparticles were detected by transmission electron microscopy, scanning electron microscope, and dynamic light scattering...
November 23, 2016: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/27869663/dietary-protein-sources-and-incidence-of-breast-cancer-a-dose-response-meta-analysis-of-prospective-studies
#10
Jing Wu, Rong Zeng, Junpeng Huang, Xufeng Li, Jiren Zhang, James Chung-Man Ho, Yanfang Zheng
Protein is important to the human body, and different sources of protein may have different effects on the risk of breast cancer. Thus, we conducted a meta-analysis to investigate the association between different dietary protein sources and breast cancer risk. PubMed and several databases were searched until December 2015. Relevant articles were retrieved according to specific searching criteria. Forty-six prospective studies were included. The summary relative risk (RR) for highest versus lowest intake was 1...
November 17, 2016: Nutrients
https://www.readbyqxmd.com/read/27868125/coumestrol-modulates-akt-and-wnt-%C3%AE-catenin-signaling-during-the-attenuation-of-adipogenesis
#11
Young Jin Jang, Hyo Jeong Son, Jiyun Ahn, Chang Hwa Jung, Taeyoul Ha
Coumestrol is a natural phytochemical present in plants such as red clover and soy, and has been reported to stimulate the estrogen receptor as a major phytoestrogen. While the molecular mechanisms responsible for the anti-adipogenic effects of phytoestrogens such as genistein and daidzein have been previously investigated, the effects of coumestrol on adipogenesis remain to be elucidated. We observed that coumestrol dose-dependently attenuates MDI (mixture of 3-isobutyl-1-methylxanthine, dexamethasone, and insulin)-induced lipid accumulation, consistent with an earlier study, while significantly inhibiting MDI-induced adipogenesis in the first 48 hours of differentiation, a critical time window for anti-adipogenic effects...
November 21, 2016: Food & Function
https://www.readbyqxmd.com/read/27865643/identification-and-characterization-of-an-enzyme-involved-in-the-biosynthesis-of-the-4-hydroxy-2-or-5-ethyl-5-or-2-methyl-3-2h-furanone-in-yeast
#12
Kenji Uehara, Jun Watanabe, Yoshinobu Mogi, Yuichiro Tsukioka
4-Hydroxy-2(or 5)-ethyl-5(or 2)-methyl-3(2H)-furanone (HEMF) is considered a key flavor compound in soy sauce. The compound has a caramel-like aroma and several important physiological activities, such as strong antioxidant activity. Here, we report the identification and characterization of an enzyme involved in the biosynthesis of HEMF in yeast. We fractionated yeast cell-free extract from Saccharomyces cerevisiae using column chromatography and partially purified a fraction with HEMF-forming activity. Peptide mass fingerprinting analysis showed that the partially purified fraction contains aldehyde reductase encoded by YNL134C...
November 16, 2016: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/27864692/transglutaminase-2-is-involved-in-amyloid-beta1-42-induced-pro-inflammatory-activation-via-ap1-jnk-signalling-pathways-in-thp-1-monocytes
#13
Monica Currò, Chiara Gangemi, Maria Laura Giunta, Nadia Ferlazzo, Michele Navarra, Riccardo Ientile, Daniela Caccamo
Deposition of amyloid-beta (Aβ) peptides has been shown to induce the release of inflammatory factors by activated microglia and brain infiltrating monocytes/macrophages. Interestingly, the enzyme transglutaminase 2 (TG2) has been shown to play a key role in neuroinflammation and regulation of transcription factors involved in immunomodulation. In this study, we aimed to better elucidate the mechanisms underlying TG2 involvement in the pro-inflammatory signaling pathway activated by fibrillar Aβ1-42 in THP-1 monocytes...
November 18, 2016: Amino Acids
https://www.readbyqxmd.com/read/27858850/impact-of-different-types-of-tree-nut-peanut-and-soy-nut-consumption-on-serum-c-reactive-protein-crp-a-systematic-review-and-meta-analysis-of-randomized-controlled-clinical-trials
#14
Mohsen Mazidi, Peyman Rezaie, Gordon A Ferns, Hong-Kai Gao
BACKGROUND: The effects of different types of tree nut, peanut, and soy nut consumption on serum C - reactive protein (CRP) are not well established. we aimed to undertake a systematic review and meta-analysis of prospective studies to determine the effect of nut consumption (tree nuts, peanuts, and soy nuts) on serum CRP. METHOD: PubMed-Medline, Web of Science, Cochrane Database, and Google Scholar databases were searched (up until April 20 2016) to identify prospective studies evaluating the impact of tree nut, peanut, and soy nut consumption on serum CRP...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27855925/impact-of-the-release-rate-of-magnesium-ions-in-multiple-emulsions-water-in-oil-in-water-containing-bsa-on-the-resulting-physical-properties-and-microstructure-of-soy-protein-gel
#15
Qiaomei Zhu, Ling Zhao, Hui Zhang, Masayoshi Saito, Lijun Yin
The objective of present study was to prepare multiple water-in-oil-in-water (W/O/W) emulsions that exhibit different release rates of magnesium ions; and assess their utility as coagulants in improving tofu quality. W/O/W emulsions containing bovine serum albumin (BSA) and magnesium chloride (MgCl2) were developed for controlled release applications. An increasing BSA concentration led to an increase in viscosity and droplet size of W/O/W double emulsions, as well as a decreased release rate of encapsulated Mg(2+) from emulsions...
April 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27834834/the-cooperative-effect-of-genistein-and-protein-hydrolysates-on-the-proliferation-and-survival-of-osteoblastic-cells-hfob-1-19
#16
Shuo Wang, Yu Fu, Xin-Huai Zhao
Chum salmon skin gelatin, de-isoflavoned soy protein, and casein were hydrolyzed at two degrees of hydrolysis. Genistein, the prepared hydrolysates, and genistein-hydrolysate combinations were assessed for their proliferative and anti-apoptotic effects on human osteoblasts (hFOB 1.19) to clarify potential cooperative effects between genistein and these hydrolysates in these two activities. Genistein at 2.5 μg/L demonstrated the highest proliferative activity, while the higher dose of genistein inhibited cell growth...
November 8, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27833946/in-vitro-digestion-of-infant-formulations-with-hydrolysed-and-non-hydrolysed-proteins-from-dairy-and-soybean
#17
Thao T P Nguyen, Bhesh Bhandari, Julie Cichero, Sangeeta Prakash
Digestion of hydrolysed and non-hydrolysed dairy (casein and whey proteins) and soy proteins commonly used in infant formulations was studied under in vitro gastrointestinal (without lipases) conditions for 60 and 120 minutes in the stomach and small intestine, respectively. The pH-drop, gel electrophoresis, microstructure, particle size distribution, and ninhydrin-reactive amino nitrogen of the digesta were monitored over the digestion period. The obtained results suggested that hydrolysed proteins were completely digested in the small intestine, while non-hydrolysed proteins (caseins, α-lactalbumin, β-lactoglobulin, conglycinin, glycinin) were only partially digested in the simulated gastrointestinal tract...
November 11, 2016: Food & Function
https://www.readbyqxmd.com/read/27833934/data-on-the-characterization-of-native-soy-globulin-by-sds-page-light-scattering-and-titration
#18
Nannan Chen, Mouming Zhao, Christophe Chassenieux, Taco Nicolai
The data presented in this article are related to the research article entitled Structure of Self-assembled Native Soy Globulin in Aqueous Solution as a Function of the Concentration and the pH by N. Chen, M. Zhao C. Chassenieux, T. Nicolai (2016) [1]. Please refer to this article for interpretation of the data. The protein composition of soy protein isolate (SPI) was characterized by SDS-Page. The molar mass of native soy globulin aggregates formed at different protein concentrations was determined by light scattering as a function of the waiting time...
December 2016: Data in Brief
https://www.readbyqxmd.com/read/27832301/liquid-chromatography-with-absorbance-detection-and-with-isotope-dilution-mass-spectrometry-for-determination-of-isoflavones-in-soy-standard-reference-materials
#19
Melissa M Phillips, Mary Bedner, Manuela Reitz, Carolyn Q Burdette, Michael A Nelson, James H Yen, Lane C Sander, Catherine A Rimmer
Two independent analytical approaches, based on liquid chromatography with absorbance detection and liquid chromatography with mass spectrometric detection, have been developed for determination of isoflavones in soy materials. These two methods yield comparable results for a variety of soy-based foods and dietary supplements. Four Standard Reference Materials (SRMs) have been produced by the National Institute of Standards and Technology to assist the food and dietary supplement community in method validation and have been assigned values for isoflavone content using both methods...
November 10, 2016: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/27827990/edwardsiella-tarda-ompa-encapsulated-in-chitosan-nanoparticles-shows-superior-protection-over-inactivated-whole-cell-vaccine-in-orally-vaccinated-fringed-lipped-peninsula-carp-labeo-fimbriatus
#20
Saurabh Dubey, Kiran Avadhani, Srinivas Mutalik, Sangeetha Madambithara Sivadasan, Biswajit Maiti, Shivani Kallappa Girisha, Moleyur Nagarajappa Venugopal, Stephen Mutoloki, Øystein Evensen, Indrani Karunasagar, Hetron Mweemba Munang’andu
The use of oral vaccination in finfish has lagged behind injectable vaccines for a long time as oral vaccines fall short of injection vaccines in conferring protective immunity. Biodegradable polymeric nanoparticles (NPs) have shown potential to serve as antigen delivery systems for oral vaccines. In this study the recombinant outer membrane protein A (rOmpA) of Edwardsiella tarda was encapsulated in chitosan NPs (NP-rOmpA) and used for oral vaccination of Labeo fimbriatus. The rOmpA purity was 85%, nanodiameter <500 nm, encapsulation efficiency 60...
November 7, 2016: Vaccines
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