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Food & Function

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https://www.readbyqxmd.com/read/28436508/purification-characterization-and-bioactivities-of-polysaccharides-from-pleurotus-ferulae
#1
Jinyu Li, Pengfei Yuan, Xinhui Wang, Adila Aipire, Minjing Li, Jie Yang, Hong Tao, Tianlei Ying, Changshuang Fu, Xianxian Wei, Fuchun Zhang, Jinyao Li
Pleurotus ferulae is an edible mushroom and has been used in Uygur medicine for a long time. In this study, we purified polysaccharides from P. ferulae (PFPS) and investigated its structural characteristics. We obtained a homogeneous PFPS with a molecular weight of around 1600 kDa and prominent characteristic polysaccharide groups, which mainly contained glucose (97%), followed by mannose and galactose (3%). Both (1)H and (13)C NMR spectra indicated that PFPS contained both α- and β-anomeric configurations...
April 24, 2017: Food & Function
https://www.readbyqxmd.com/read/28429814/sulfated-polysaccharides-from-enteromorpha-prolifera-suppress-srebp-2-and-hmg-coa-reductase-expression-and-attenuate-non-alcoholic-fatty-liver-disease-induced-by-a-high-fat-diet
#2
Rendong Ren, Junjie Gong, Yanyan Zhao, Xinyun Zhuang, Yin Ye, Wenting Lin
Non-alcoholic fatty liver disease (NAFLD) is caused by fat accumulation and is associated with abnormal cholesterol metabolism. Previous work indicates that polysaccharides from alga Enteromorpha prolifera improve glucose metabolism and lower cholesterol in diabetic rats. Thus, we studied the possible protective effects of E. prolifera polysaccharides (EP) in the development of NAFLD and underlying mechanisms. EP (200 mg kg(-1)) significantly reduced the liver weight and significantly lowered hepatic HMG-CoA reductase (HMGCR) mRNA protein expression...
April 21, 2017: Food & Function
https://www.readbyqxmd.com/read/28428988/polydatin-attenuates-potassium-oxonate-induced-hyperuricemia-and-kidney-inflammation-by-inhibiting-nf-%C3%AE%C2%BAb-nlrp3-inflammasome-activation-via-the-ampk-sirt1-pathway
#3
Lvyi Chen, Zhou Lan
This study was designed to investigate the effects of polydatin (PLD) on potassium oxonate-induced hyperuricemic rats. Hyperuricemic rats were treated with potassium oxonate (250 mg kg(-1)) intragastrically for 7 days, and polydatin (25, 50 mg kg(-1)) or allopurinol (5 mg kg(-1)) was administered to the rats 1 h after the potassium oxonate exposure. Polydatin administration decreased the levels of uric acid and creatinine in serum and urine, leading to inhibition of pro-inflammatory cytokine production in serum and kidney...
April 21, 2017: Food & Function
https://www.readbyqxmd.com/read/28426090/oleuropein-down-regulated-il-1%C3%AE-induced-inflammation-and-oxidative-stress-in-human-synovial-fibroblast-cell-line-sw982
#4
Maria Luisa Castejón, Maria Ángeles Rosillo, Tatiana Montoya, Alejandro González-Benjumea, Jose Maria Fernández-Bolaños, Catalina Alarcón-de-la-Lastra
Rheumatoid arthritis (RA) is a chronic and systemic inflammatory autoimmune disease mainly characterized by aggressive hyperproliferation of synovial fibroblasts (SFs). It is accompained by a massive infiltration of inflammatory immune cells inducing progressive matrix degradation, destruction of cartilage and bone erosion through the production of inflammatory mediators. Oleuropein is the most prevalent phenolic component in olive leaves, seed, pulp and peel of unripe olives and is responsible for the characteristic bitter taste of unprocessed olives...
April 20, 2017: Food & Function
https://www.readbyqxmd.com/read/28426081/total-substitution-of-dietary-fish-oil-by-vegetable-oils-stimulates-muscle-hypertrophic-growth-in-senegalese-sole-and-the-upregulation-of-fgf6
#5
Graciliana Lopes, Luís Filipe Costa Castro, Luísa Maria Pinheiro Valente
The long term effects of fish oil (FO) substitution by increasing the levels of vegetable oils (VO), 0% (CTR), 50% (VO50) and 100% (VO100), in diets for Senegalese sole were evaluated in terms of skeletal muscle cellularity and expression of related genes. After 140 days of feeding, all fish had similar body weight and length. The inclusion of 50% VO did not result in differences in muscle cellularity, but dorsal muscle cross-sectional area and fast-twitch fibre diameter increased in fish fed total FO substitution, whilst fibre density was reduced (P < 0...
April 20, 2017: Food & Function
https://www.readbyqxmd.com/read/28426073/ameliorative-effects-of-pepsin-digested-chicken-liver-hydrolysates-on-development-of-alcoholic-fatty-livers-in-mice
#6
Yi-Ling Lin, Szu-Yun Tai, Jr-Wei Chen, Chung-Hsi Chou, Shih-Guei Fu, Yi-Chen Chen
With developments in economics and increasing work loads, alcohol abuse becomes more and more severe, leading to occurrences of alcoholic liver disease (ALD). Pepsin-digested chicken liver hydrolysates (CLHs) contain high amounts of glutamic acid, leucine, lysine, and alanine while the contents of taurine, anserine, and carnosine are also elevated after pepsin hydrolyzation. The objectives of this study were to evaluate the protective effects of CLHs against chronic alcohol consumption. The results indicated that the enlarged (p < 0...
April 20, 2017: Food & Function
https://www.readbyqxmd.com/read/28426048/flavored-black-ginseng-exhibited-antitumor-activity-via-improving-immune-function-and-inducing-apoptosis
#7
Guilin Chen, Haijun Li, Yugang Gao, Lianxue Zhang, Yan Zhao
The objective of this project was to examine saponin and carbohydrate conversion, and to evaluate the antitumor activity of a novel ready-to-eat flavored black ginseng (FBG). The results of chemical experiments showed that common saponins in ginseng such as ginsenoside Re, Rg1, Rb1, etc., are almost completely converted to rare saponins and aglycones such as ginsenoside Rg5, protopanaxadiol (PPD), etc., and non-reducing sugars such as starch are almost completely degraded into reducing sugars as affected by garlic juice and high temperature processing...
April 20, 2017: Food & Function
https://www.readbyqxmd.com/read/28418433/capsaicin-presynaptically-inhibits-glutamate-release-through-the-activation-of-trpv1-and-calcineurin-in-the-hippocampus-of-rats
#8
Cheng Wei Lu, Tzu Yu Lin, Ting Yang Hsie, Shu Kuei Huang, Su Jane Wang
Capsaicin is the major ingredient in hot peppers of the plant Capsicum genus with neuroprotective effects in several preclinical models; its effect on glutamate release has been investigated in the rat hippocampus using isolated nerve terminals (synaptosomes) and brain slices. In a synaptosomal preparation, capsaicin dose-dependently reduced 4-aminopyridine-evoked Ca(2+)-dependent glutamate release, with an IC50 of approximately 11 μM. This inhibition was blocked by capsazepin, an antagonist of TRPV1, which was found to be colocalized with the vesicle marker protein synaptophysin in synaptosomes using double immunostaining...
April 18, 2017: Food & Function
https://www.readbyqxmd.com/read/28418429/chemical-constituents-radical-scavenging-activity-and-enzyme-inhibitory-capacity-of-fruits-from-cotoneaster-pannosus-franch
#9
Francisco Les, Víctor López, Giovanni Caprioli, Romilde Iannarelli, Dennis Fiorini, Marzia Innocenti, Maria Bellumori, Filippo Maggi
Cotoneaster pannosus (Rosaceae) is a semievergreen shrub, producing globose dark red pomes, native to China and widely used as an ornamental plant all over the world. Despite its extensive cultivation, little information is available on the chemical composition and biological activities of its fruits. In this work, the analysis of the chemical composition of C. pannosus fruits, in terms of phenolic components, carotenoids and ascorbic acid by HPLC/DAD, HPLC/ESI-MS and MS/MS as well as in terms of macro- and micro-nutrients was performed...
April 18, 2017: Food & Function
https://www.readbyqxmd.com/read/28406506/production-and-characterization-of-curcumin-microcrystals-and-evaluation-of-the-antimicrobial-and-sensory-aspects-in-minimally-processed-carrots
#10
Anderson Clayton da Silva, Priscila Dayane de Freitas Santos, Nicole Campezato Palazzi, Fernanda Vitória Leimann, Renata Hernandez Barros Fuchs, Lívia Bracht, Odinei Hess Gonçalves
Nontoxic conserving agents are in demand by the food industry due to consumers concern about synthetic conservatives, especially in minimally processed food. The antimicrobial activity of curcumin, a natural phenolic compound, has been extensively investigated but hydrophobicity is an issue when applying curcumin to foodstuff. The objective of this work was to evaluate curcumin microcrystals as an antimicrobial agent in minimally processed carrots. The antimicrobial activity of curcumin microcrystals was evaluated in vitro against Gram-positive (Bacillus cereus and Staphylococcus aureus) and Gram-negative (Escherichia coli and Pseudomonas aeruginosa) microorganisms, showing a statistically significant (p < 0...
April 13, 2017: Food & Function
https://www.readbyqxmd.com/read/28405668/functional-food-supplements-to-ameliorate-the-secondary-complications-in-high-fructose-fed-diabetic-rats
#11
S S Gite, S A Yadav, S S Nilegaonkar, V V Agte
Functional foods are the most natural and safest source of health ingredients, providing health benefits beyond basic nutrition, and hence can be used as supplements for the prevention of secondary complications in diabetes. Persistent diabetes may cause glycation of various tissue proteins such as of those in lens, kidney, blood, and brain, which may further lead to the development of pathological conditions such as cataract and cardiovascular diseases. This study on adult rats was designed to assess if the functional food supplements A and B (proprietary blends of antioxidant rich plant materials) can reduce secondary complications such as cataract, dyslipidemia, and oxidative stress under severe diabetic conditions...
April 13, 2017: Food & Function
https://www.readbyqxmd.com/read/28401234/the-effects-of-lycium-barbarum-l-l-barbarum-on-cardiometabolic-risk-factors-a-meta-analysis-of-randomized-controlled-trials
#12
REVIEW
Xiao-Fei Guo, Zi-Hao Li, Huizhen Cai, Duo Li
The effects of Lycium barbarum L. (L. barbarum) on the cardiometabolic risk factors from randomized controlled trials (RCTs) have shown inconsistent results. The present meta-analysis aimed to investigate the effects of L. barbarum supplementation on the cardiometabolic risk factors. A systematic literature search was performed in Chinese National Knowledge Infrastructure (CNKI), PubMed, Scopus, and Wanfang databases updated to March 2017. The mean changes in cardiometabolic risk factors were calculated as the weighted mean difference (WMD) using a random-effects model...
April 12, 2017: Food & Function
https://www.readbyqxmd.com/read/28401225/new-insights-into-the-molecular-mechanism-of-boletus-edulis-ribonucleic-acid-fraction-be3-concerning-antiproliferative-activity-on-human-colon-cancer-cells
#13
Marta Kinga Lemieszek, Miguel Ribeiro, Guilhermina Marques, Fernando Milheiro Nunes, Piotr Pożarowski, Wojciech Rzeski
One of the relatively new and promising strategies of cancer treatment is chemoprevention, which involves the use of natural or synthetic compounds to block, inhibit or reverse carcinogenesis. A valuable and still untapped source of chemopreventive compounds seems to be edible mushrooms belonging to higher Basidiomycetes. Boletus edulis biopolymers extracted with hot water and purified by anion-exchange chromatography showed antiproliferative activity in colon cancer cells, but only fraction BE3, mostly composed of ribonucleic acids, was able to inhibit DNA synthesis in HT-29 cells...
April 12, 2017: Food & Function
https://www.readbyqxmd.com/read/28294260/stable-arrested-non-aqueous-edible-foams-based-on-food-emulsifiers
#14
A R Patel
Stable oil foams with structured air-oil interfaces and high overrun (φair ≫ 0.5) were fabricated using edible emulsifiers (sucrose esters and lecithin). Advanced microscopy was used to understand the microstructure of these 'arrested' non-aqueous foams which displayed interesting rheological behaviour (yielding and thixotropy). Such complex colloids stabilized by edible ingredients could find important industrial applications in the development of novel textured food products.
March 15, 2017: Food & Function
https://www.readbyqxmd.com/read/28271112/activation-of-nrf2-driven-antioxidant-enzymes-by-cardamonin-confers-neuroprotection-of-pc12-cells-against-oxidative-damage
#15
Shoujiao Peng, Yanan Hou, Juan Yao, Jianguo Fang
Oxidative stress represents a disorder of the redox equilibrium between the production of free radicals and the capability of cells to eliminate them. As subversion of this redox balance is thought to initiate various diseases, living cells maintain a redox equilibrium diligently. More and more pieces of evidence show that oxidative stress has already become a common risk factor in the pathogenesis of neurodegenerative disorders. So, considerable importance has been given to the prevention of oxidative stress as a potential therapeutic strategy...
March 8, 2017: Food & Function
https://www.readbyqxmd.com/read/28266682/immunomodulatory-effects-of-hericium-erinaceus-derived-polysaccharides-are-mediated-by-intestinal-immunology
#16
Xiaotong Sheng, Jingmin Yan, Yue Meng, Yuying Kang, Zhen Han, Guihua Tai, Yifa Zhou, Hairong Cheng
This study was aimed at investigating the immunomodulating activity of Hericium erinaceus polysaccharide (HEP) in mice, by assessing splenic lymphocyte proliferation (cell-mediated immunity), serum hemolysin levels (humoral immunity), phagocytic capacity of peritoneal cavity phagocytes (macrophage phagocytosis), and NK cell activity. ELISA of immunoglobulin A (SIgA) in the lamina propria, and western blotting of small intestinal proteins were also performed to gain insight into the mechanism by which HEP affects the intestinal immune system...
March 7, 2017: Food & Function
https://www.readbyqxmd.com/read/28256654/flavonoids-from-sea-buckthorn-inhibit-the-lipopolysaccharide-induced-inflammatory-response-in-raw264-7-macrophages-through-the-mapk-and-nf-%C3%AE%C2%BAb-pathways
#17
Fan Jiang, Haining Guan, Danyi Liu, Xi Wu, Mingcheng Fan, Jianchun Han
Sea buckthorn has long been used as a functional food to regulate cholesterol, relieve angina, and diminish inflammation. Flavonoids are one of the main active components in sea buckthorn. We investigated the effects of sea buckthorn flavonoid (SF) treatment on two pathways that mediate inflammation, the mitogen-activated protein kinase (MAPK) and nuclear factor-kappa B (NF-κB) pathways, to explore the anti-inflammatory activity of SFs in lipopolysaccharide (LPS)-stimulated RAW264.7 macrophages. The LPS-induced over-production of nitric oxide (NO) and prostaglandin E2 (PGE2) was inhibited by SFs through a mechanism related to the modulatory effects of the inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) genes...
March 3, 2017: Food & Function
https://www.readbyqxmd.com/read/28251195/chemical-characterization-of-a-novel-polysaccharide-askp-1-from-artemisia-sphaerocephala-krasch-seed-and-its-macrophage-activation-via-mapk-pi3k-akt-and-nf-%C3%AE%C2%BAb-signaling-pathways-in-raw264-7-cells
#18
Daoyuan Ren, Dehui Lin, Aamina Alim, Quan Zheng, Xingbin Yang
The aim of this study was to investigate the molecular mechanism underlying the immunomodulatory effect of the purified Artemisia sphaerocephala Krasch seed polysaccharide (ASKP-1) in RAW264.7 macrophages. Chemical characteristic analysis revealed that ASKP-1 consisted of 14.1% mannose, 56.9% glucose and 19.6% galactose with the average molecular weight of 9.08 × 10(5) Da and the mixed glycan backbone structure containing 1→4)-Glcp (39.8%), 1→6)-Galp (18.8%), 1→3,6)-Manp (19.6%), 1→)-Glcp (10.8%), 2→6)-Manp (4...
March 2, 2017: Food & Function
https://www.readbyqxmd.com/read/28244519/a-diet-containing-a-high-versus-low-daidzein-level-does-not-protect-against-liver-steatosis-in-the-obese-zucker-rat-model
#19
Andrea Bell, Soheila Korourian, Huawei Zeng, Joshua Phelps, Reza Hakkak
The prevalence of obesity is increasing worldwide. Obesity increases the risk for non-alcoholic fatty liver disease through adipokine dysregulation and inflammation. Previously, we have reported that a high-isoflavone soy protein isolate (HISPI) diet is associated with significantly heavier body weights and reduced liver steatosis in obese Zucker rats (OZR) compared to a casein diet. The objective of this study was to investigate whether daidzein, a soy isoflavone in HISPI, is responsible for increased body weight gain or reduced liver steatosis...
February 28, 2017: Food & Function
https://www.readbyqxmd.com/read/28243663/transcriptomic-analyses-of-the-anti-adipogenic-effects-of-oleuropein-in-human-mesenchymal-stem-cells
#20
Antonio Casado-Díaz, Jaouad Anter, Sören Müller, Peter Winter, José Manuel Quesada-Gómez, Gabriel Dorado
Extra virgin olive oil has positive effects on health. Oleuropein is a polyphenolic compound present in olive-tree leaves, fruits (olives) and olive oil. It is responsible for the relevant organoleptic and biological properties of olive oil, including antiadipogenic properties. Thus, the effects of oleuropein on the adipogenesis of human bone-marrow mesenchymal stem cells were studied by transcriptomics and differential gene-expression analyses. Oleuropein could upregulate expression of 60% of adipogenesis-repressed genes...
February 28, 2017: Food & Function
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