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Obesity polyphenols

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https://www.readbyqxmd.com/read/28526925/polyphenolic-extract-attenuates-fatty-acid-induced-steatosis-and-oxidative-stress-in-hepatic-and-endothelial-cells
#1
Laura Vergani, Giulia Vecchione, Francesca Baldini, Elena Grasselli, Adriana Voci, Piero Portincasa, Pier Francesco Ferrari, Bahar Aliakbarian, Alessandro A Casazza, Patrizia Perego
PURPOSE: Phenolic compounds (PC) of virgin olive oil exert several biochemical and pharmacological beneficial effects. Some dietary PC seem to prevent/improve obesity and metabolic-related disorders such as non-alcoholic fatty liver disease (NAFLD). We investigated the possible effects of PC extracted from olive pomace (PEOP) and of the main single molecules present in the extract (tyrosol, apigenin, oleuropein, p-coumaric and caffeic acid) in protecting hepatocytes and endothelial cells against triglyceride accumulation and oxidative stress...
May 19, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28524086/dietary-green-pea-protects-against-dss-induced-colitis-in-mice-challenged-with-high-fat-diet
#2
Shima Bibi, Luís Fernando de Sousa Moraes, Noelle Lebow, Mei-Jun Zhu
Obesity is a risk factor for developing inflammatory bowel disease. Pea is unique with its high content of dietary fiber, polyphenolics, and glycoproteins, all of which are known to be health beneficial. We aimed to investigate the impact of green pea (GP) supplementation on the susceptibility of high-fat diet (HFD)-fed mice to dextran sulfate sodium (DSS)-induced colitis. Six-week-old C57BL/6J female mice were fed a 45% HFD or HFD supplemented with 10% GP. After 7-week dietary supplementation, colitis was induced by adding 2...
May 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28523759/role-of-sulfotransferases-in-resveratrol-metabolism-in-human-adipocytes
#3
Nele Gheldof, Sofia Moco, Christian Chabert, Tony Teav, Denis Barron, Jorg Hager
SCOPE: Polyphenols such as resveratrol received interest for their wide-ranging biological benefits, including anti-obesity potential, mimicking effects of caloric restriction with reduced body fat and increased energy expenditure. However, resveratrol is rapidly metabolized, and it is not completely understood which form of resveratrol is responsible for the effects observed within target cells such as adipocytes. Also the role of metabolizing enzymes has not been investigated before...
May 18, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28511159/effect-of-apple-polyphenol-concentrate-on-lipid-metabolism-in-rats-under-experimental-insulin-resistance
#4
Andriy L Zagayko, Ganna B Kravchenko, Viktoriia P Fylymonenko, Oksana A Krasilnikova
INTRODUCTION: Obesity is strongly associated with an increased risk of developing insulin resistance as the metabolic indicator of prediabetes and a major risk factor in diabetes mellitus type 2 pathogenesis. Medicinal products obtained from apples can be used as potent prophylactic and therapeutic remedies in treatment of diabetes mellitus. AIM: Experiment was designed to study the effect of total apple polyphenol food concentrate on lipid metabolism under experimental IR...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28493374/polyphenols-and-their-role-in-obesity-management-a-systematic-review-of-randomized-clinical-trials
#5
REVIEW
Grace Farhat, Sandra Drummond, Emad A S Al-Dujaili
Polyphenols have been suggested to reduce body weight and modify body composition through different mechanisms. These effects have been extensively studied in animals and in vitro and to a lesser extent in humans. The aim of this review is to consider the association between polyphenols and body weight status by focusing on human intervention studies. We conducted a systematic literature search in MEDLINE (via EBSCOhost), ProQuest CENTRAL, and Cochrane CENTRAL without time restrictions. Randomized controlled trials assessing the effect of polyphenols on weight and/or body composition in the overweight and/or obese population were included...
May 11, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28470323/differential-%C3%AE-amylase-%C3%AE-glucosidase-inhibitory-activities-of-plant-derived-phenolic-compounds-a-virtual-screening-perspective-for-the-treatment-of-obesity-and-diabetes
#6
Hassan Rasouli, Seyed Mohammad-Bagher Hosseini-Ghazvini, Hadi Adibi, Reza Khodarahmi
Recently, due to their biological properties, polyphenol-rich functional foods have been proposed to be unique supplementary and nutraceutical treatments for diabetes mellitus. Inhibition of α-amylase and α-glucosidase enzymes using natural products (especially polyphenols) is a novel oral policy to regulate carbohydrate metabolism and hyperglycemia. The present study aims to evaluate the α-amylase and α-glucosidase inhibitory activity of 26 polyphenols using molecular docking and virtual screening studies...
May 4, 2017: Food & Function
https://www.readbyqxmd.com/read/28467383/polyphenol-levels-are-inversely-correlated-with-body-weight-and-obesity-in-an-elderly-population-after-5-years-of-follow-up-the-randomised-predimed-study
#7
Xiaohui Guo, Anna Tresserra-Rimbau, Ramón Estruch, Miguel A Martínez-González, Alexander Medina-Remón, Montserrat Fitó, Dolores Corella, Jordi Salas-Salvadó, Maria Puy Portillo, Juan J Moreno, Xavier Pi-Sunyer, Rosa M Lamuela-Raventós
Overweight and obesity have been steadily increasing in recent years and currently represent a serious threat to public health. Few human studies have investigated the relationship between polyphenol intake and body weight. Our aim was to assess the relationship between urinary polyphenol levels and body weight. A cross-sectional study was performed with 573 participants from the PREDIMED (Prevención con Dieta Mediterránea) trial (ISRCTN35739639). Total polyphenol levels were measured by a reliable biomarker, total urinary polyphenol excretion (TPE), determined by the Folin-Ciocalteu method in urine samples...
May 3, 2017: Nutrients
https://www.readbyqxmd.com/read/28459555/ameliorative-effect-of-ecklonia-cava-polyphenol-extract-on-renal-inflammation-associated-with-aberrant-energy-metabolism-and-oxidative-stress-in-high-fat-diet-induced-obese-mice
#8
Hyeyoon Eo, Ji Eun Park, You-Jin Jeon, Yunsook Lim
Immoderate fat accumulation causes both oxidative stress and inflammation, which can induce kidney damage in obesity. Previously, Ecklonia cava has shown anti-inflammatory and antioxidative effects. Our group aimed to investigate whether E. cava polyphenol extract (ECPE) improves renal damage in high fat diet (HFD)-induced obese mice through regulation of not only energy metabolism but also oxidative stress and inflammation. After obesity induction by HFD, the mice were treated with different dosages of ECPE (100 or 500 mg/kg/day) by gavage for 12 weeks...
May 5, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28425868/pomegranate-as-a-possible-treatment-in-reducing-risk-of-developing-wound-healing-obesity-neurodegenerative-disorders-and-diabetes-mellitus
#9
Manaf AlMatar, Md Rashedul Islam, Othman Albari, Işıl Var, Fatih Köksal
Four distinguished although overlying stages make up the methodical procedure of wound healing, which are hemostasis, inflammation, proliferation and remodelling. Multiple sclerosis (MS) comprises a persistent inflammatory infection of the central nervous system, and is related to demyelination, neurodegeneration, as well as susceptibility to oxidative pressure. Obesity signifies a swiftly developing danger to the wellbeing of populations in a rising number of nations. Usually called diabetes mellitus (DM) by medical practitioners, diabetes details a collection of metabolic diseases within which the individual has raised blood glucose, either due to an insufficiency of insulin generation, or the lack of suitable response by the body to insulin, or both...
April 19, 2017: Mini Reviews in Medicinal Chemistry
https://www.readbyqxmd.com/read/28412986/effects-of-subacute-ingestion-of-chlorogenic-acids-on-sleep-architecture-and-energy-metabolism-through-activity-of-the-autonomic-nervous-system-a-randomised-placebo-controlled-double-blinded-cross-over-trial
#10
Insung Park, Ryuji Ochiai, Hitomi Ogata, Momoko Kayaba, Sayaka Hari, Masanobu Hibi, Yoshihisa Katsuragi, Makoto Satoh, Kumpei Tokuyama
Chlorogenic acids (CGA) are the most abundant polyphenols in coffee. Continuous consumption of CGA reduces body fat and body weight. Since energy metabolism and sleep are controlled by common regulatory factors, consumption of CGA might modulate sleep. Lack of sleep has been identified as a risk factor for obesity, hypertension and type 2 diabetes. The aim of this study was to determine the effects of ingesting CGA over 5 d on energy metabolism and sleep quality in humans. A total of nine healthy subjects (four male and five female) completed a placebo-controlled, double-blinded, cross-over intervention study...
April 17, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28402903/nutritional-anti-inflammatories-in-the-treatment-and-prevention-of-type-2-diabetes-mellitus-and-the-metabolic-syndrome
#11
REVIEW
Lea Merone, Robyn McDermott
AIMS: Obesity-fuelled metabolic syndrome and diabetes is now a global epidemic. There is increasing evidence that these and other chronic conditions have common inflammatory antecedents. There is an interest in nutritionally based anti-inflammatory treatments for type 2 diabetes and metabolic syndrome. The aim of this review is to examine the evidence from a 5-year period; 2011-2016, for nutritionally based anti-inflammatory treatments for the Metabolic Syndrome and Type 2 Diabetes Mellitus...
February 20, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28396714/cinnamon-polyphenol-extract-inhibits-hyperlipidemia-and-inflammation-by-modulation-of-transcription-factors-in-high-fat-diet-fed-rats
#12
Zeynep Tuzcu, Cemal Orhan, Nurhan Sahin, Vijaya Juturu, Kazim Sahin
We evaluated the effects of cinnamon polyphenol extract on hepatic transcription factors expressions including SREBP-1c and LXR-α in rats fed high fat diet (HFD). Twenty-eight Wistar rats were allocated into four groups: (i) normal control: animals fed with normal chow; (ii) cinnamon: animals supplemented with cinnamon polyphenol; (iii) HFD: animals fed a high-fat diet; and (iv) HFD + cinnamon: animals fed a high-fat diet and treated with cinnamon polyphenol. Obesity was linked to hyperglycemia, hyperlipidemia, and oxidative stress as imitated by elevated serum glucose, lipid profile, and serum and liver malondialdehyde (MDA) concentrations...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28391515/the-potential-effects-of-chlorogenic-acid-the-main-phenolic-components-in-coffee-on-health-a-comprehensive-review-of-the-literature
#13
REVIEW
Narges Tajik, Mahboubeh Tajik, Isabelle Mack, Paul Enck
Chlorogenic acid (CGA), an important biologically active dietary polyphenol, is produced by certain plant species and is a major component of coffee. Reduction in the risk of a variety of diseases following CGA consumption has been mentioned in recent basic and clinical research studies. This systematic review discusses in vivo animal and human studies of the physiological and biochemical effects of chlorogenic acids (CGAs) on biomarkers of chronic disease. We searched PubMed, Embase, Amed and Scopus using the following search terms: ("chlorogenic acid" OR "green coffee bean extract") AND (human OR animal) (last performed on April 1st, 2015) for relevant literature on the in vivo effects of CGAs in animal and human models, including clinical trials on cardiovascular, metabolic, cancerogenic, neurological and other functions...
April 8, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28387565/the-therapeutic-potential-of-piceatannol-a-natural-stilbene-in-metabolic-diseases-a-review
#14
Jonathan Kershaw, Kee-Hong Kim
Metabolic disease comprises a set of risk factors highly associated with obesity and insulin resistance and is a consequence of central adiposity, hyperglycemia, and dyslipidemia. Furthermore, obesity increases the risk of the development of metabolic disease due to ectopic fat deposition, low-grade inflammation, and systemic energy disorders caused by dysregulated adipose tissue function. Piceatannol is a naturally occurring polyphenolic stilbene found in various fruits and vegetables and has been reported to exhibit anticancer and anti-inflammatory properties...
May 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28381812/a-simple-enzymatic-biotransformation-method-using-fresh-green-tea-leaves-efficiently-generates-theaflavin-containing-fermentation-water-that-has-potent-physiological-functions-in-mice-and-humans
#15
Masumi Takemoto, Hiroaki Takemoto, Haruka Kouno, Tomomi Soeda, Takamichi Moriya
The polyphenolic compound theaflavin, the main red pigment in black tea, possesses many beneficial properties, such as fat-reducing and glucose-lowering capabilities. To produce theaflavin-containing fermentation water on a large scale, we have developed a simple, inexpensive, and selective enzymatic biotransformation method to obtain sufficient levels from fresh green tea leaves. Subsequent administration of theaflavin-containing fermentation water to obese mice on a high-fat diet inhibited body weight gain, decreased casual blood glucose and fasting blood glucose levels, and lowered mesenteric and total fat composition...
April 1, 2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28366989/black-soybean-seed-coat-polyphenols-prevent-aaph-induced-oxidative-dna-damage-in-hepg2-cells
#16
Yasukiyo Yoshioka, Xiu Li, Tianshun Zhang, Takakazu Mitani, Michiko Yasuda, Fumio Nanba, Toshiya Toda, Yoko Yamashita, Hitoshi Ashida
Black soybean seed coat extract (BE), which contains abundant polyphenols such as procyanidins, cyanidin 3-glucoside, (+)-catechin, and (-)-epicatechin, has been reported on health beneficial functions such as antioxidant activity, anti-inflammatory, anti-obesity, and anti-diabetic activities. In this study, we investigated that prevention of BE and its polyphenols on 2,2'-azobis(2-methylpropionamide) dihydrochloride (AAPH)-induced oxidative DNA damage, and found that these polyphenols inhibited AAPH-induced formation of 8-hydroxy-2'-deoxyguanosine (8-OHdG) as a biomarker for oxidative DNA damage in HepG2 cells...
March 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/28358620/daily-coffee-intake-inhibits-pancreatic-beta-cell-damage-and-nonalcoholic-steatohepatitis-in-a-mouse-model-of-spontaneous-metabolic-syndrome-tsumura-suzuki-obese-diabetic-mice
#17
Syunsuke Watanabe, Tetsuyuki Takahashi, Hirohisa Ogawa, Hisanori Uehara, Takaaki Tsunematsu, Hayato Baba, Yuki Morimoto, Koichi Tsuneyama
BACKGROUND: Metabolic syndrome is one of the most important health issues worldwide. Obesity causes insulin resistance, hyperlipidemia, diabetes, and various diseases throughout the body. The liver phenotype, which is called nonalcoholic steatohepatitis (NASH), frequently progresses to hepatocellular carcinoma. We recently established a new animal model, Tsumura-Suzuki obese diabetic (TSOD) mice, which spontaneously exhibit obesity, diabetes, hyperlipidemia, and NASH with liver nodules...
May 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28293020/untangling-the-relationship-between-diet-and-visceral-fat-mass-through-blood-metabolomics-and-gut-microbiome-profiling
#18
T Pallister, M A Jackson, T C Martin, C A Glastonbury, A Jennings, M Beaumont, R P Mohney, K S Small, A MacGregor, C J Steves, A Cassidy, T D Spector, C Menni, A M Valdes
BACKGROUND/OBJECTIVES: Higher visceral fat mass (VFM) is associated with an increased risk for developing cardio-metabolic diseases. The mechanisms by which an unhealthy diet pattern may influence VF development has yet to be examined through cutting-edge multi-omic methods. Therefore, our objective was to examine the dietary influences on VFM and identify gut microbiome and metabolite profiles that link food intakes to VFM. SUBJECTS/METHODS: In 2218 twins with VFM, food intake and metabolomics data available we identified food intakes most strongly associated with VFM in 50% of the sample, then constructed and tested the 'VFM diet score' in the remainder of the sample...
March 15, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28290272/strawberry-and-cranberry-polyphenols-improve-insulin-sensitivity-in-insulin-resistant-non-diabetic-adults-a-parallel-double-blind-controlled-and-randomised-clinical-trial
#19
Martine Paquette, Ana S Medina Larqué, S J Weisnagel, Yves Desjardins, Julie Marois, Geneviève Pilon, Stéphanie Dudonné, André Marette, Hélène Jacques
Plant-derived foods rich in polyphenols are associated with several cardiometabolic health benefits, such as reduced postprandial hyperglycaemia. However, their impact on whole-body insulin sensitivity using the hyperinsulinaemic-euglycaemic clamp technique remains under-studied. We aimed to determine the effects of strawberry and cranberry polyphenols (SCP) on insulin sensitivity, glucose tolerance, insulin secretion, lipid profile, inflammation and oxidative stress markers in free-living insulin-resistant overweight or obese human subjects (n 41) in a parallel, double-blind, controlled and randomised clinical trial...
February 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28278224/ampk-modulatory-activity-of-olive-tree-leaves-phenolic-compounds-bioassay-guided-isolation-on-adipocyte-model-and-in-silico-approach
#20
Cecilia Jiménez-Sánchez, Mariló Olivares-Vicente, Celia Rodríguez-Pérez, María Herranz-López, Jesús Lozano-Sánchez, Antonio Segura-Carretero, Alberto Fernández-Gutiérrez, José Antonio Encinar, Vicente Micol
SCOPE: Olive-tree polyphenols have demonstrated potential for the management of obesity-related pathologies. We aimed to explore the capacity of Olive-tree leaves extract to modulate triglyceride accumulation and AMP-activated protein kinase activity (AMPK) on a hypertrophic adipocyte model. METHODS: Intracellular triglycerides and AMPK activity were measured on the hypertrophic 3T3-L1 adipocyte model by AdipoRed and immunofluorescence microscopy, respectively. Reverse phase high performance liquid chromatography coupled to time-of-flight mass detection with electrospray ionization (RP-HPLC-ESI-TOF/MS) was used for the fractionation of the extract and the identification of the compounds...
2017: PloS One
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