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Food & Function

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https://www.readbyqxmd.com/read/28327709/fish-oil-supplementation-inhibits-endoplasmic-reticulum-stress-and-improves-insulin-resistance-involvement-of-amp-activated-protein-kinase
#1
Wenqi Yang, Xu Chen, Ming Chen, Yanping Li, Qing Li, Xinwei Jiang, Yan Yang, Wenhua Ling
The beneficial effects of fish oil consumption on glucose metabolism have been generally reported. However, the mechanism underlying the fish oil-induced protective effects against insulin resistance remains unclear. Endoplasmic reticulum (ER) stress is recognized as an important contributor to insulin resistance. The aim of this study is to evaluate whether fish oil supplementation reduces ER stress and ameliorates insulin resistance in diet-induced obese mice, and to investigate the molecular mechanism of fish oil-induced benefits on ER stress...
March 22, 2017: Food & Function
https://www.readbyqxmd.com/read/28322405/gastrointestinal-absorption-antiproliferative-and-anti-inflammatory-effect-of-the-major-carotenoids-of-gardenia-jasminoides-ellis-on-cancer-cells
#2
Hélder Oliveira, Xiaoshuang Cai, Qian Zhang, Victor de Freitas, Nuno Mateus, Jingren He, Iva Fernandes
The gastrointestinal absorption of the main carotenoids present in Gardenia jasminoides Ellis, crocetin, crocin-1 and crocin-2, was assayed through transport studies on MKN-28 and Caco-2 cell lines. Overall, crocetin was the compound that presented the highest gastrointestinal transport efficiency. Additionally, and since after absorption crocins are metabolized into crocetin, the antiproliferative capacity of crocetin was assayed in MKN-28 (stomach), MCF-7 (breast) and Caco-2 (colon) cancer cell lines. The results point to an antiproliferative effect of crocetin on the three cell lines tested...
March 21, 2017: Food & Function
https://www.readbyqxmd.com/read/28322382/regulation-of-raw-264-7-cell-mediated-immunity-by-polysaccharides-from-agaricus-blazei-murill-via-the-mapk-signal-transduction-pathway
#3
Feier Cheng, Xiaoyan Yan, Miaoqing Zhang, Mingchang Chang, Shaojun Yun, Junlong Meng, Jingyu Liu, Cui-Ping Feng
Agaricus blazei Murill (ABM) is a common anticancer folk remedy. Its active ingredients, i.e., polysaccharides, have been isolated and exhibit indirect tumor-suppressing activity via immunological activation. The effects of polysaccharides derived from A. blazei Murill (ABMP) on RAW 264.7 cells were examined by western blotting and real-time reverse transcription polymerase chain reaction (RT-PCR). The effects of 500, 1000, and 2000 μg mL(-1) ABMP on the growth of RAW 264.7 cells were evaluated by measuring the OD490 value; the optimum concentration was found to be 1000 μg mL(-1)...
March 21, 2017: Food & Function
https://www.readbyqxmd.com/read/28322379/wine-lees-modulate-lipid-metabolism-and-induce-fatty-acid-remodelling-in-zebrafish
#4
M Caro, A Sansone, J Amezaga, V Navarro, C Ferreri, I Tueros
This study investigates the ability of a polyphenolic extract obtained from a wine lees by-product to modulate zebrafish lipid metabolism. Lees from a Spanish winery were collected and the polyphenolic extract was chemically characterised in terms of antioxidant capacity, total phenolic content and the individual main phenolic compounds. The effects of the extract on lipid metabolism were evaluated using a zebrafish animal model. Lees are rich in polyphenols (42.33 mg gallic acid equivalent per g dry matter) with high antioxidant capacity (56...
March 21, 2017: Food & Function
https://www.readbyqxmd.com/read/28304022/altering-the-level-of-calcium-changes-the-physical-properties-and-digestibility-of-casein-based-emulsion-gels
#5
Irene McIntyre, Michael O Sullivan, Dolores O Riordan
Casein-based emulsion gels prepared with different types of lipid (i.e. milk fat or rapeseed oil) were formulated with high (774 mg Ca per 100 g) or low (357 mg Ca per 100 g) calcium levels by blending acid and rennet casein. Their physicochemical characteristics (i.e. composition, texture, microstructure & water mobility) and in vitro digestibility were compared to conventionally formulated high-calcium (723 mg Ca per 100 g) emulsion gels made from rennet casein with calcium chelating salts (CCS). CCS-free, high-calcium emulsion gels were significantly (p ≤ 0...
March 17, 2017: Food & Function
https://www.readbyqxmd.com/read/28295108/porous-calcium-carbonate-as-a-carrier-material-to-increase-the-dissolution-rate-of-poorly-soluble-flavouring-compounds
#6
Maria Lundin Johnson, David Noreland, Patrick Gane, Joachim Schoelkopf, Cathy Ridgway, Anna Millqvist Fureby
Two different food grade functionalised porous calcium carbonates (FCC), with different pore size and pore size distributions, were characterised and used as carrier materials to increase the dissolution rate of poorly soluble flavouring compounds in aqueous solution. The loading level was varied between 1.3% by weight (wt%) and 35 wt%, where the upper limit of 35 wt% was the total maximum loading capacity of flavouring compound in FCC based on the fraction of the total weight of FCC plus flavouring compound...
March 15, 2017: Food & Function
https://www.readbyqxmd.com/read/28294281/mice-exposed-to-infant-formula-enriched-with-polyamines-impact-on-host-transcriptome-and-microbiome
#7
Carlos Gómez-Gallego, María García Romo, Rafael Frías, María Jesús Periago, Gaspar Ros, Seppo Salminen, Maria C Collado
Previous studies using a BALB/cOlaHsd model have shown the impact that the supplementation of infant formula with polyamines has on the modulation of microbial colonization and immune system development. To contribute to deciphering and identifying new complex interactions underlying the host response to polyamines, a systems biology approach integrating data from microbiota along the gastrointestinal tract, lymphocyte populations and immune system gene expression analysis of a lactating mice model fed different diets was carried out...
March 15, 2017: Food & Function
https://www.readbyqxmd.com/read/28294260/stable-arrested-non-aqueous-edible-foams-based-on-food-emulsifiers
#8
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/28294257/protein-bound-vaccinium-fruit-polyphenols-decrease-ige-binding-to-peanut-allergens-and-rbl-2h3-mast-cell-degranulation-in-vitro
#9
Nathalie J Plundrich, Rishipal R Bansode, E Allen Foegeding, Leonard L Williams, Mary Ann Lila
Peanut allergy is a worldwide health concern. In this study, the natural binding properties of plant-derived polyphenols to proteins was leveraged to produce stable protein-polyphenol complexes comprised of peanut proteins and cranberry (Vaccinium macrocarpon Ait.) or lowbush blueberry (Vaccinium angustifolium Ait.) pomace polyphenols. Protein-bound and free polyphenols were characterized and quantified by multistep extraction of polyphenols from protein-polyphenol complexes. Immunoblotting was performed with peanut-allergic plasma to determine peanut protein-specific IgE binding to unmodified peanut protein, or to peanut protein-polyphenol complexes...
March 15, 2017: Food & Function
https://www.readbyqxmd.com/read/28294226/insight-into-the-gastro-duodenal-digestion-resistance-of-soybean-proteins-and-potential-implications-for-residual-immunogenicity
#10
Elisabetta De Angelis, Rosa Pilolli, Simona L Bavaro, Linda Monaci
Soy is an important component of the human diet thanks to its nutritional value and high protein content; however, it also represents a risk for allergenic consumers due to its potential to trigger adverse reactions in sensitized individuals. The putative correlation between immunoreactivity and resistance to the human gastrointestinal (GI) digestion has drawn attention to investigating soybean proteins digestibility. In this work, we provided further insights into this field by performing in vitro simulated GI digestion experiments directly on ground soybean seeds, to provide more realistic results obtained from the digestion of the whole food matrix...
March 15, 2017: Food & Function
https://www.readbyqxmd.com/read/28287659/mechanisms-and-therapeutic-prospects-of-polyphenols-as-modulators-of-the-aryl-hydrocarbon-receptor
#11
REVIEW
Zhaohui Xue, Dan Li, Wancong Yu, Qian Zhang, Xiaonan Hou, Yulong He, Xiaohong Kou
The aryl hydrocarbon receptor (AhR) is a pleiotropic nuclear factor that was originally recognized as a "master" of xenobiotic metabolism but demonstrated recently to be a vital regulator of many normal physiological events. Understanding of the mechanism of action of AhR-targeted compounds, as represented by polyphenols (the greatest source of xenobiotic AhR modulators in the human diet) is of critical importance for the development of polyphenol-based nutraceutical strategies or the prevention of AHR-mediated toxicity associated with polyphenol intake...
March 13, 2017: Food & Function
https://www.readbyqxmd.com/read/28287654/use-of-imaging-techniques-to-identify-efficient-controlled-release-systems-of-lactobacillus-rhamnosus-gg-during-in-vitro-digestion
#12
Justine Guerin, Jennifer Burgain, Frédéric Borges, Bhesh Bhandari, Stéphane Desobry, Joël Scher, Claire Gaiani
Matrix composition plays a crucial role in the controlled release of viable and functional bacteria in the intestine. Imaging tools such as electronic and confocal microscopies were used in this work to investigate the influence of matrix composition on matrix integrity and porosity, bacterial spatial distribution and viability during simulated in vitro digestion. L. rhamnosus GG was encapsulated in matrices having different casein/whey protein ratios. The formulation with a casein/whey ratio of 60/40 presented a porous weak gel structure that resulted in its fast disintegration in gastric media showing the presence of dead bacteria in the intestine...
March 13, 2017: Food & Function
https://www.readbyqxmd.com/read/28282095/dietary-fat-proportionately-enhances-oxidative-stress-and-glucose-intolerance-followed-by-impaired-expression-of-the-genes-associated-with-mitochondrial-biogenesis
#13
Nabanita Das, Ashok Mandala, Sudarshan Bhattacharjee, Debasri Mukherjee, Debasish Bandyopadhyay, Sib Sankar Roy
Consumption of food that surpasses the metabolic necessity of the body leads to an epidemic condition termed obesity, which causes several metabolic disorders including oxidative damage. Dietary intervention can enlighten the mechanisms and therapeutics associated with these metabolic disorders. The reported studies related to diet include fat of different kinds and from different sources, however they lack dose response aspects. Our study highlighted the importance of dietary fat modification in modulating oxidative stress-induced glucose intolerance...
March 10, 2017: Food & Function
https://www.readbyqxmd.com/read/28281719/inhibitory-effect-of-zanthoxylum-bungeanum-essential-oil-zbeo-on-escherichia-coli-and-intestinal-dysfunction
#14
Lei Hong, Wu Jing, Wang Qing, Su Anxiang, Xue Mei, Liu Qin, Hu Qiuhui
The inhibitory effects of Zanthoxylum bungeanum essential oil (ZBEO) on Escherichia coli (E. coli) in vitro and in vivo were investigated, as well as its function of improvement of intestinal health. The results of in vitro studies, such as minimal inhibitory concentration (MIC) analysis, agar disc diffusion test and growth curve analysis of E. coli, showed that ZBEO had an excellent inhibitory effect on the growth of E. coli, which may be related to the loss of the normal shape of the cell membranes and the leakage of intracellular constituents, on the basis of SEM observation and cell constituents' release assay...
March 10, 2017: Food & Function
https://www.readbyqxmd.com/read/28277581/dietary-flavonoids-luteolin-and-quercetin-inhibit-invasion-of-cervical-cancer-by-reduction-of-ube2s-through-epithelial-mesenchymal-transition-signaling
#15
Tsung-Han Lin, Wen-Hsien Hsu, Pei-Hsun Tsai, Ying-Tang Huang, Cheng-Wei Lin, Ku-Chung Chen, Inn-Ho Tsai, Chithan C Kandaswami, Chang-Jen Huang, Geen-Dong Chang, Ming-Ting Lee, Chia-Hsiung Cheng
We previously reported that the dietary flavonoids, luteolin and quercetin, might inhibit the invasiveness of cervical cancer by reversing epithelial-mesenchymal transition (EMT) signaling. However, the regulatory mechanism exerted by luteolin and quercetin is still unclear. This study analyzed the invasiveness activation by ubiquitin E2S ligase (UBE2S) through EMT signaling and inhibition by luteolin and quercetin. We found that UBE2S expression was significantly higher in highly invasive A431 subgroup III (A431-III) than A431-parental (A431-P) cells...
March 9, 2017: Food & Function
https://www.readbyqxmd.com/read/28276564/dietary-fatty-acids-on-aortic-root-calcification-in-mice-with-metabolic-syndrome
#16
Maria C Naranjo, Beatriz Bermudez, Indara Garcia, Sergio Lopez, Rocio Abia, Francisco J G Muriana, Sergio Montserrat-de la Paz
Metabolic syndrome (MetS) is associated with obesity, dyslipidemia, type 2 diabetes, and chronic low-grade inflammation. The aim of this study was to determine the role of high-fat low-cholesterol diets (HFLCDs) rich in SFAs (HFLCD-SFAs), MUFAs (HFLCD-MUFAs) or MUFAs plus omega-3 long-chain PUFAs (HFLCD-PUFAs) on vascular calcification by the modulation of the RANKL/RANK/OPG system in the aortic roots of Lep(ob/ob)LDLR(-/-) mice. Animals fed with HFLCD-SFAs had increased weight and a greater atheroma plaque size, calcification, and RANKL/CATHK expression in the aortic root than mice on MUFA-enriched diets, with an increasing OPG expression in the aortic roots of the latter...
March 9, 2017: Food & Function
https://www.readbyqxmd.com/read/28275781/aqueous-extracts-from-asparagus-stems-prevent-memory-impairments-in-scopolamine-treated-mice
#17
Zifang Sui, Ce Qi, Yunxiang Huang, Shufeng Ma, Xinguo Wang, Guowei Le, Jin Sun
Aqueous extracts from Asparagus officinalis L. stems (AEAS) are rich in polysaccharides, gamma-amino butyric acid (GABA), and steroidal saponin. This study was designed to investigate the effects of AEAS on learning, memory, and acetylcholinesterase-related activity in a scopolamine-induced model of amnesia. Sixty ICR mice were randomly divided into 6 groups (n = 10) including the control group (CT), scopolamine group (SC), donepezil group (DON), low, medium, and high dose groups of AEAS (LS, MS, HS; 1.6 mL kg(-1), 8 mL kg(-1), 16 mL kg(-1))...
March 9, 2017: Food & Function
https://www.readbyqxmd.com/read/28275776/oil-in-water-emulsions-stabilised-by-cellulose-ethers-stability-structure-and-in-vitro-digestion
#18
Jennifer Borreani, María Espert, Ana Salvador, Teresa Sanz, Amparo Quiles, Isabel Hernando
The effect of cellulose ethers in oil-in-water emulsions on stability during storage and on texture, microstructure and lipid digestibility during in vitro gastrointestinal digestion was investigated. All the cellulose ether emulsions showed good physical and oxidative stability during storage. In particular, the methylcellulose with high methoxyl substituents (HMC) made it possible to obtain emulsions with high consistency which remained almost unchanged during gastric digestion, and thus could enhance fullness and satiety perceptions at gastric level...
March 9, 2017: Food & Function
https://www.readbyqxmd.com/read/28275769/immunomodulatory-effect-of-protease-hydrolysates-from-ovotransferrin
#19
Lin Liu, Mingsheng Xu, Yonggang Tu, Huaying Du, Yulan Zhou, Gaoxiang Zhu
Proteins and bioactive peptides in avian egg white exert diverse biological activities. This study is designed to investigate the effect of protease hydrolysates from ovotransferrin (OVT) on bone marrow-derived dendritic cells (BMDCs) maturation. The results show that OVT-derived pepsin hydrolysate effectively inhibits lipopolysaccharide (LPS)-induced BMDCs maturation by reducing the expression levels of MHC-II, CD83, CD86 and the production of TNF-α, IL-12p70, and RANTES, but increases the production of IL-10...
March 9, 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
#20
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
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