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https://www.readbyqxmd.com/read/28821148/a-pectic-polysaccharide-from-ligusticum-chuanxiong-promotes-intestine-antioxidant-defense-in-aged-mice
#1
Chao Huang, Xiyue Cao, Xingfu Chen, Yuping Fu, Yingguo Zhu, Zhengli Chen, Qihui Luo, Lixia Li, Xu Song, Renyong Jia, Zhongqiong Yin, Bin Feng, Yuanfeng Zou
The extensive prospects of polysaccharides in medicine and pharmaceuticals have elicited much interest. Ligusticum chuanxiong polysaccharides, previously extracted as neutral polysaccharides, exhibit antioxidant, anticancer, andantibacterial capacities in vitro. Here we show one pectic polysaccharide extracted from rhizome of L. chuanxiong(LCP-II-I). Structural analysis indicated its long homogalacturonan region is interrupted by rhamnogalacturonan type I, with arabinan and arabinogalactan type I as side chains...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28819266/amalaki-rasayana-a-traditional-indian-drug-enhances-cardiac-mitochondrial-and-contractile-functions-and-improves-cardiac-function-in-rats-with-hypertrophy
#2
Vikas Kumar, Kumar A Aneesh, K Kshemada, Kumar G S Ajith, Raj S S Binil, Neha Deora, G Sanjay, A Jaleel, T S Muraleedharan, E M Anandan, R S Mony, M S Valiathan, Kumar T R Santhosh, C C Kartha
We evaluated the cardioprotective effect of Amalaki Rasayana (AR), a rejuvenating Ayurvedic drug prepared from Phyllanthus emblica fruits in the reversal of remodeling changes in pressure overload left ventricular cardiac hypertrophy (LVH) and age-associated cardiac dysfunction in male Wistar rats. Six groups (aging groups) of 3 months old animals were given either AR or ghee and honey (GH) orally; seventh group was untreated. Ascending aorta was constricted using titanium clips in 3 months old rats (N = 24; AC groups) and after 6 months, AR or GH was given for further 12 months to two groups; one group was untreated...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28819003/skeletal-muscle-signaling-metabolism-and-performance-during-sprint-exercise-in-severe-acute-hypoxia-after-the-ingestion-of-antioxidants
#3
David Morales-Alamo, Borja Guerra, Jesus Gustavo Ponce-Gonzalez, Amelia Guadalupe-Grau, Alfredo Santana, Marcos Martin-Rincon, Miriam Gelabert-Rebato, Joan Aureli Cadefau, Roser Cussó, Cecilia Dorado, Jose A L Calbet
The aim of this study was to determine reactive oxygen species (ROS) could play a role in blunting Thr(172)-AMPKα phosphorylation in human skeletal muscle after sprint exercise in hypoxia and to elucidate the potential signaling mechanisms responsible for this response. Nine volunteers performed a single 30s sprint (Wingate test) in two occasions while breathing hypoxic gas (PIO2=75 mmHg): one after the ingestion of placebo (P) and another following the intake of antioxidants (A) (α-lipoic acid, vitamin C, and vitamin E), with a randomized double-blind design...
August 17, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28814277/phenotypes-antioxidant-responses-and-gene-expression-changes-accompanying-a-sugar-only-diet-in-bactrocera-dorsalis-hendel-diptera-tephritidae
#4
Er-Hu Chen, Qiu-Li Hou, Dan-Dan Wei, Hong-Bo Jiang, Jin-Jun Wang
BACKGROUND: Diet composition (yeast:carbohydrate ratio) is an important determinant of growth, development, and reproduction. Recent studies have shown that decreased yeast intake elicits numerous transcriptomic changes and enhances somatic maintenance and lifespan, which in turn reduces reproduction in various insects. However, our understanding of the responses leading to a decrease in yeast ratio to 0% is limited. RESULTS: In the present study, we investigated the effects of a sugar-only diet (SD) on the gene expression patterns of the oriental fruit fly, Bactrocera dorsalis (Hendel), one of the most economically important pests in the family Tephritidae...
August 17, 2017: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/28811749/acute-cocoa-flavanols-intake-has-minimal-effects-on-exercise-induced-oxidative-stress-and-nitric-oxide-production-in-healthy-cyclists-a-randomized-controlled-trial
#5
Lieselot Decroix, Cajsa Tonoli, Danusa Dias Soares, Amandine Descat, Marie-José Drittij-Reijnders, Antje R Weseler, Aalt Bast, Wilhelm Stahl, Elsa Heyman, Romain Meeusen
BACKGROUND: Cocoa flavanols (CF) can stimulate vasodilation by improved nitric oxide (NO) synthesis and have antioxidant and anti-inflammatory capacities. This study aimed to examine whether acute CF intake can affect exercise-induced changes in antioxidant capacity, oxidative stress, inflammation and NO production, as well as exercise performance and recovery in well-trained cyclists. METHODS: Twelve well-trained male cyclists (mean ± SD age, VO2max: 30 ± 3 years, 63...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28805683/analysis-and-comparison-of-the-antioxidant-component-of-portulaca-oleracea-leaves-obtained-by-different-solid-liquid-extraction-techniques
#6
Monica Gallo, Esterina Conte, Daniele Naviglio
Portulaca oleracea is a wild plant pest of orchards and gardens, but is also an edible vegetable rich in beneficial nutrients. It possesses many antioxidant properties due to the high content of vitamins, minerals, omega-3 essential fatty acids and other healthful compounds; therefore, the intake of purslane and/or its bioactive compounds could help to improve the health and function of the whole human organism. Accordingly, in this work it was analyzed and compared to the extractive capacity of the antioxidant component of purslane leaves obtained by solid-liquid extraction techniques such as: hot-maceration, maceration with ultrasound, rapid solid-liquid dynamic extraction using the Naviglio extractor, and a combination of two techniques (mix extraction)...
August 12, 2017: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28805671/the-roles-of-vitamin-c-in-skin-health
#7
REVIEW
Juliet M Pullar, Anitra C Carr, Margreet C M Vissers
The primary function of the skin is to act as a barrier against insults from the environment, and its unique structure reflects this. The skin is composed of two layers: the epidermal outer layer is highly cellular and provides the barrier function, and the inner dermal layer ensures strength and elasticity and gives nutritional support to the epidermis. Normal skin contains high concentrations of vitamin C, which supports important and well-known functions, stimulating collagen synthesis and assisting in antioxidant protection against UV-induced photodamage...
August 12, 2017: Nutrients
https://www.readbyqxmd.com/read/28805669/effect-of-mediterranean-diet-and-antioxidant-formulation-in-non-alcoholic-fatty-liver-disease-a-randomized-study
#8
Ludovico Abenavoli, Marta Greco, Natasa Milic, Francesca Accattato, Daniela Foti, Elio Gulletta, Francesco Luzza
Non-alcoholic fatty liver disease (NAFLD) is the most common liver disease worldwide, characterized by liver fatty acid accumulation and fibrosis, not due to excessive alcohol consumption. Notably, nutritional habits have been reported to be implicated in the onset and severity of the hepatic damage, while the Mediterranean diet has shown beneficial effects on NAFLD. Free radicals and oxidative stress were suggested to be involved in the pathogenesis and progression of NAFLD, and several data highlighted the efficacy of antioxidant supplementation in its treatment...
August 12, 2017: Nutrients
https://www.readbyqxmd.com/read/28803408/iodine-rich-herbs-and-potassium-iodate-have-different-effects-on-the-oxidative-stress-and-differentiation-of-th17-cells-in-iodine-deficient-nod-h-2-h4-mice
#9
Cheng-Han Gao, Jin-Qiao Qu, Xi-Yu Zhou, Tian-Shu Gao
Iodine-rich herbs such as seaweed, kelp, and sea tangle were widely used to treat various types of goiter with good effect and without any adverse side effects in China. When compared with potassium iodate (PI), iodine-rich herbs had a positive effect on the recovery of goiter resulting from iodine deficiency without any obvious harmful effects. In NOD.H-2(h4) mice, an autoimmune thyroiditis-prone model, iodine excess can increase infiltration of lymphocytes and structural damage of the thyroid follicles, hence resulting in thyroiditis...
August 12, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28797931/changes-in-the-gut-microbial-communities-following-addition-of-walnuts-to-the-diet
#10
Lauri O Byerley, Derrick Samuelson, Eugene Blanchard, Meng Luo, Brittany N Lorenzen, Shelia Banks, Monica A Ponder, David A Welsh, Christopher M Taylor
Walnuts are rich in omega-3 fatty acids, phytochemicals and antioxidants making them unique compared to other foods. Consuming walnuts has been associated with health benefits including a reduced risk of heart disease and cancer. Dysbiosis of the gut microbiome has been linked to several chronic diseases. One potential mechanism by which walnuts may exert their health benefit is through modifying the gut microbiome. This study identified the changes in the gut microbial communities that occur following the inclusion of walnuts in the diet...
July 9, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28793331/characterization-of-the-post-prandial-insulinemic-response-and-low-glycaemic-index-of-a-soy-beverage
#11
Jose Ce Serrano, Meritxell Martín-Gari, Anna Cassanye, Ana Belen Granado-Serrano, Manuel Portero-Otín
Soybean is recognized as rich source of bioactive compounds for the improvement of glucose homeostasis. However, the post-prandial mechanisms of action have not been extensively described. The aim of this study is to determine the changes in glucose homeostasis and related factors after acute intake of a soy beverage. Twenty-nine subjects (15 women and 14 men, with an average age of 19.5 ± 1.2) ingested 500 mL of water, glucose (20.5 g/500 mL) and soy beverage (20 g of carbohydrate) in three separate sessions...
2017: PloS One
https://www.readbyqxmd.com/read/28791812/relationship-between-dietary-antioxidant-index-dai-and-antioxidants-level-in-plasma-of-krak%C3%A3-w-inhabitants
#12
Emilia Kolarzyk, Agata Pietrzycka, Joanna Zając, Joanna Morawiecka-Baranek
BACKGROUND: Some literature data indicate that antioxidant-rich food may significantly increase antioxidants in serum and decrease the oxidative stress but results are ambiguous. OBJECTIVES: The aim of this study was to estimate the total antioxidant capacity of food intake among the inhabitants of Kraków, Poland on the basis of dietary antioxidant index (DAI) and evaluation the relation between DAI and the level of antioxidants in plasma. MATERIAL AND METHODS: Examination included 70 (37 women and 33 men) non-smoking inhabitants of Krakow aged 46...
May 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28791462/dietary-total-antioxidant-capacity-is-inversely-associated-with-all-cause-and-cardiovascular-disease-death-of-us-adults
#13
Kijoon Kim, Terrence M Vance, Ming-Hui Chen, Ock K Chun
PURPOSE: Although evidence strongly supports that antioxidant-rich diets reduce risk of chronic disease and mortality, findings from the previous studies on the effect of individual antioxidants on mortality have been inconsistent. The aim of this study was to assess the relationship between dietary total antioxidant capacity (TAC) and all-cause and disease-specific mortality in a representative sample of the US population. METHODS: A total of 23,595 US adults aged 30 years and older in NHANES 1988-1994 and 1999-2004 were selected for this study...
August 8, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28781773/the-relationship-between-dietary-methionine-and-growth-digestion-absorption-and-antioxidant-status-in-intestinal-and-hepatopancreatic-tissues-of-sub-adult-grass-carp-ctenopharyngodon-idella
#14
Pei Wu, Ling Tang, Weidan Jiang, Kai Hu, Yang Liu, Jun Jiang, Shengyao Kuang, Ling Tang, Wuneng Tang, Yongan Zhang, Xiaoqiu Zhou, Lin Feng
BACKGROUND: Methionine is an essential amino acid for fish. The present study was conducted to investigate the effects of dietary methionine on growth performance, digestive and absorptive ability, as well as antioxidant capacity in the intestine and hepatopancreas of sub-adult grass carp (Ctenopharyngodon idella). RESULTS: Dietary methionine deficiency significantly decreased percentage weight gain (PWG), feed intake, feed efficiency and protein efficiency ratio, as well as activities of hepatopancreatic glutamate-oxaloacetate transaminase and muscle glutamate-pyruvate transaminase in sub-adult grass carp (P < 0...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28780693/foliar-application-of-aspartic-acid-lowers-cadmium-uptake-and-cd-induced-oxidative-stress-in-rice-under-cd-stress
#15
Muhammad Rizwan, Shafaqat Ali, Muhammad Zaheer Akbar, Muhammad Bilal Shakoor, Abid Mahmood, Wajid Ishaque, Afzal Hussain
Cadmium (Cd) contamination of farmland soils is a widespread problem around the globe, and rice (Oryza sativa L.) tends to accumulate more Cd and is considered as one of the major sources of Cd intake in humans, especially consuming rice-derived products. The current study investigated the effects of foliar applied aspartic acid (Asp) on growth parameters, biomass, chlorophyll concentration, gas exchange characteristics, Cd uptake, and antioxidative capacity in the shoots and roots of rice seedlings exposed to Cd stress...
August 6, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28780087/short-communication-the-mammalian-lignan-enterolactone-is-absorbed-by-newborn-dairy-calves-fed-enterolactone-enriched-milk
#16
C P Ghedini, N L Whitehouse, D C Moura, A S Oliveira, A F Brito
Flaxseed is the richest source of the plant lignan secoisolariciresinol diglucoside, which is converted to the mammalian lignans enterolactone (EL) and enterodiol by the gut microbiota of ruminants and humans. Enterolactone has been associated with improved animal and human health due to its antioxidant and anticarcinogenic properties. The objective of this study was to determine the pharmacokinetics of EL in newborn dairy calves fed milk replacer or EL-enriched milk. We hypothesized that newborn Holstein calves fed EL-enriched milk would have greater area under the curve and plasma concentration of EL compared with those fed milk replacer...
August 2, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28777356/health-effects-of-carotenoids-during-pregnancy-and-lactation
#17
REVIEW
Monika A Zielińska, Aleksandra Wesołowska, Beata Pawlus, Jadwiga Hamułka
Adequate nutrition is particularly important during pregnancy since it is needed not only for maintaining the health of the mother, but also determines the course of pregnancy and its outcome, fetus development as well as the child's health after birth and during the later period of life. Data coming from epidemiological and interventions studies support the observation that carotenoids intake provide positive health effects in adults and the elderly population. These health effects are the result of their antioxidant and anti-inflammatory properties...
August 4, 2017: Nutrients
https://www.readbyqxmd.com/read/28765775/monocyte-chemoattractant-protein-1-polymorphism-interaction-with-spirulina-immunomodulatory-effects-in-healthy-korean-elderly-a-16-week-double-blind-randomized-clinical-trial
#18
Hee Jung Park, Hyun Sook Lee
BACKGROUND/OBJECTIVES: Spirulina is a known a functional food related to lipid profiles, immune functions, and antioxidant capacity. Circulating monocyte chemoattractant protein-1 (MCP-1) level is associated with inflammation markers. Single nucleotide polymorphism in the MCP-1 promoter region -2518 have been identified and shown to affect gene transcription. Gene variation may also impact functional food supplementary effects. The current study investigated the interaction of MCP-1 -2518 polymorphism with spirulina supplements on anti-inflammatory capacity in Korean elderly...
August 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28763700/effect-of-dietary-tartary-buckwheat-extract-supplementation-on-growth-performance-meat-quality-and-antioxidant-activity-in-ewe-lambs
#19
Junxing Zhao, Kan Li, Rui Su, Wenzhong Liu, Youshe Ren, Chunxiang Zhang, Min Du, Jianxing Zhang
The objective of this study was to investigate the effect of dietary Tartary buckwheat extract (TBE) supplementation on animal growth performance, meat quality and antioxidative activity in the Longissimus thoracis et lumborum muscle of lambs. The results showed that dietary TBE increased body weight, average daily gain, carcass weight, dry matter intake, and digestive organ weight. Dietary TBE had no effect on the pH, color, shear force or intramuscular fat of Longissimus muscle examined, whereas the cooking loss was decreased...
July 25, 2017: Meat Science
https://www.readbyqxmd.com/read/28758412/onset-of-depressed-heart-work-is-correlated-with-the-increased-heart-rate-and-shorten-qt-interval-in-high-carbohydrate-fed-overweight-rats
#20
Aysegul Toy Durak, Yusuf Olgar, Erkan Tuncay, Irem Karaomerlioglu, Gizem Kayki Mutlu, Ebru Arioglu Inan, Vecdi Melih Altan, Belma Turan
Mechanical activity of the heart is adversely affected with metabolic syndrome (MetS) characterized with increased body-mass and marked insulin-resistance. Herein, we examined effects of high-carbohydrate intake on cardiac functional abnormalities via evaluating in situ heart-work, heart-rate and electrocardiograms (ECG) in rats. MetS is induced in Wistar male rats by adding 32% sucrose for 22-24 weeks and confirmed with insulin-resistance, increased body-weight, blood glucose and insulin, systolic and diastolic blood pressures besides significant left ventricular integrity-lost and increased connective-tissue around myofibrils...
July 30, 2017: Canadian Journal of Physiology and Pharmacology
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