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Obesity polyphenols

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https://www.readbyqxmd.com/read/29141575/the-protective-effects-of-extra-virgin-olive-oil-on-immune-mediated-inflammatory-responses
#1
Rosa Casas, Ramon Estruch, Emilio Sacanella
BACKGROUND AND OBJECTIVE: The increasing interest in the Mediterranean diet (MeDiet) hinges on the relevant role it plays in inflammatory diseases. Several clinical, epidemiological and experimental evidences suggest that consumption of the MeDiet reduces the incidence of certain pathologies related to oxidative stress, chronic inflammation and immune system diseases such as cancer, atherosclerosis and cardiovascular disease (CVD). DISCUSSION: These reductions can be partially attributed to extra virgin olive oil (EVOO) consumption which has been described as a key bioactive food because of its high nutritional quality and its particular composition of fatty acids, vitamins and polyphenols...
November 13, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/29141540/polyphenols-antioxidants-and-the-sympathetic-nervous-system
#2
Rosa Maria Bruno, Lorenzo Ghiadoni
BACKGROUND: A high dietary intake of polyphenols has been associated with a reduced cardiovascular mortality, due to their antioxidant properties. However, growing evidence suggests that counteracting oxidative stress in cardiovascular disease might also reduce sympathetic nervous system overactivity. METHODS: This article reviews the most commonly used techniques to measure sympathetic activity in humans; the role of sympathetic activation in the pathophysiology of cardiovascular diseases; current evidence demonstrating that oxidative stress is involved in the regulation of sympathetic activity and how antioxidants and polyphenols might counteract sympathetic overactivity, particularly focusing on preliminary data from human studies...
November 14, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29138673/the-beneficial-effects-of-quercetin-curcumin-and-resveratrol-in-obesity
#3
REVIEW
Yueshui Zhao, Bo Chen, Jing Shen, Lin Wan, Yinxin Zhu, Tao Yi, Zhangang Xiao
Over the past two decades, obesity has been one of the major public health concerns in most countries. In the search for new molecules that could be used for the treatment of obesity, good perspectives have been opened up for polyphenols, a class of natural bioactive phytochemicals. Experimental and limited clinical trial evidence supports that some polyphenols such as quercetin, curcumin, and resveratrol have potential benefit functions on obesity treatment. This brief review focuses on the main functions of the above-named polyphenols on adipose tissue...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29131612/functional-characterization-of-epitheaflagallin-3-o-gallate-generated-in-laccase-treated-green-tea-extracts-in-the-presence-of-gallic-acid
#4
Nobuya Itoh, Junji Kurokawa, Yasuhiro Isogai, Masaru Ogasawara, Takayuki Matsunaga, Tutomu Okubo, Yuji Katsube
Epitheaflagallin (ETFG) and epitheaflagallin 3-O-gallate (ETFGg) are minor polyphenols in black tea extract that are enzymatically synthesized from epigallocatechin (EGC) and epigallocatechin gallate (EGCg), respectively, in green tea extract via laccase oxidation in the presence of gallic acid. The constituents of laccase-treated green tea extract in the presence of gallic acid are thus quite different from those of non-laccase-treated green tea extract: EGC and EGCg are present in lower concentrations, and ETFG and ETFGg are present in higher concentrations...
November 13, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29129902/quantification-of-fraglide-1-a-new-functional-ingredient-in-vinegars
#5
Aydan H Yatmaz, Tetsuaki Kinoshita, Akio Miyazato, Masahiro Takagi, Yoshio Tsujino, Fumiaki Beppu, Naohiro Gotoh
Vinegar is a widely used condiment in the world, and is produced from ethanol by acetic acid fermentation. Different fruits, vegetables, cereals, and wines can be used as ingredients for vinegar production. It is known that vinegar has many nutrient components such as organic acids, polyphenols, and aromatic compounds. Because of these bioactive components, it has many health benefits. China has a long history of producing vinegar and has been using it for health products and as medicine. Chinese aromatic Zhenjiang vinegar (Kozu) is produced from sticky rice...
November 13, 2017: Journal of Oleo Science
https://www.readbyqxmd.com/read/29127476/co-supplementation-of-isomalto-oligosaccharides-potentiates-metabolic-health-benefits-of-polyphenol-rich-cranberry-extract-in-high-fat-diet-fed-mice-via-enhanced-gut-butyrate-production
#6
Dhirendra Pratap Singh, Shashank Singh, Vandana Bijalwan, Vijay Kumar, Pragyanshu Khare, Ritesh Kumar Baboota, Paramdeep Singh, Ravneet Kaur Boparai, Jagdeep Singh, Kanthi Kiran Kondepudi, Kanwaljit Chopra, Mahendra Bishnoi
PURPOSE: Cranberries are a rich source of polyphenolic antioxidants. Purified sugars or artificial sweeteners are being added to cranberry-based food products to mask tartness. Refined sugar and artificial sweeteners intake modulate gut microbiota and result in metabolic complications. We evaluated effects of isomalto-oligosaccharides (IMOs; sweet tasting non-digestible oligosaccharides) with cranberry extract (CRX) on high fat diet (HFD)-induced metabolic alterations in mice. METHODS: Male Swiss albino mice were fed normal chow or HFD (58% fat kcal), and were administered either CRX (200 mg/kg) alone or in combination with IMOs (1 g/kg)...
November 10, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/29125587/polyphenol-rich-lentils-and-their-health-promoting-effects
#7
REVIEW
Kumar Ganesan, Baojun Xu
Polyphenols are a group of plant metabolites with potent antioxidant properties, which protect against various chronic diseases induced by oxidative stress. Evidence showed that dietary polyphenols have emerged as one of the prominent scientific interests due to their role in the prevention of degenerative diseases in humans. Possible health beneficial effects of polyphenols are measured based on the human consumption and their bioavailability. Lentil (Lens culinaris; Family: Fabaceae) is a great source of polyphenol compounds with various health-promoting properties...
November 10, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29113066/polyphenol-rich-dry-common-beans-phaseolus-vulgaris-l-and-their-health-benefits
#8
REVIEW
Kumar Ganesan, Baojun Xu
Polyphenols are plant metabolites with potent anti-oxidant properties, which help to reduce the effects of oxidative stress-induced dreaded diseases. The evidence demonstrated that dietary polyphenols are of emerging increasing scientific interest due to their role in the prevention of degenerative diseases in humans. Possible health beneficial effects of polyphenols are based on the human consumption and their bioavailability. Common beans (Phaseolus vulgaris L.) are a greater source of polyphenolic compounds with numerous health promoting properties...
November 4, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29107524/a-polyphenol-rich-cranberry-extract-reverses-insulin-resistance-and-hepatic-steatosis-independently-of-body-weight-loss
#9
Fernando F Anhê, Renato T Nachbar, Thibault V Varin, Vanessa Vilela, Stéphanie Dudonné, Geneviève Pilon, Maryse Fournier, Marc-André Lecours, Yves Desjardins, Denis Roy, Emile Levy, André Marette
OBJECTIVE: Previous studies have reported that polyphenol-rich extracts from various sources can prevent obesity and associated gastro-hepatic and metabolic disorders in diet-induced obese (DIO) mice. However, whether such extracts can reverse obesity-linked metabolic alterations remains unknown. In the present study, we aimed to investigate the potential of a polyphenol-rich extract from cranberry (CE) to reverse obesity and associated metabolic disorders in DIO-mice. METHODS: Mice were pre-fed either a Chow or a High Fat-High Sucrose (HFHS) diet for 13 weeks to induce obesity and then treated either with CE (200 mg/kg, Chow + CE, HFHS + CE) or vehicle (Chow, HFHS) for 8 additional weeks...
October 18, 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/29105398/oral-quercetin-supplementation-enhances-adiponectin-receptor-transcript-expression-in-polycystic-ovary-syndrome-patients-a-randomized-placebo-controlled-double-blind-clinical-trial
#10
Neda Rezvan, Ashraf Moini, Sattar Gorgani-Firuzjaee, Mohammad Javad Hosseinzadeh-Attar
OBJECTIVES: Polycystic ovary syndrome (PCOS), an ovarian-pituitary axis androgen disorder, is a common endocrine disease in women. Obesity-induced androgenesis and imbalance of adipokine secretion may lead to some metabolic features of PCOS. The beneficial effects of polyphenolic compounds such as quercetin have been reported, however, the underlying molecular mechanism is not entirely understood. In the present study, we investigated the effect of quercetin supplementation on the expression of adiponectin receptors at the transcript level in peripheral blood mononuclear cells (PBMC) samples of PCOS patients...
January 2018: Cell Journal
https://www.readbyqxmd.com/read/29089337/curcumin-and-other-dietary-polyphenols-potential-mechanisms-of-metabolic-actions-and-therapy-for-diabetes-and-obesity
#11
Tianru Jin, Zhuolun Song, Jianping Weng, I George Fantus
Recent controversy regarding the therapeutic potential of curcumin indicate the challenges to research in this field. Here, we highlight the investigations of curcumin and other plant-derived polyphenols that demonstrate their application to metabolic diseases, in particular obesity and diabetes. Thus a number of preclinical and clinical investigations have shown the beneficial effect of curcumin (and other dietary polyphenols) in attenuating body weight gain, improving insulin sensitivity and preventing diabetes development in rodent models and pre-diabetic subjects...
October 31, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29080460/chlorogenic-acid-cga-a-pharmacological-review-and-call-for-further-research
#12
REVIEW
Muhammad Naveed, Veghar Hejazi, Muhammad Abbas, Asghar Ali Kamboh, Ghulam Jilany Khan, Muhammad Shumzaid, Fawwad Ahmad, Daryoush Babazadeh, Xia FangFang, Faezeh Modarresi-Ghazani, Li WenHua, Zhou XiaoHui
Phenolic acids have recently gained substantial attention due to their various practical, biological and pharmacological effects. Chlorogenic Acid (CGA, 3-CQA) is a most abundant isomer among caffeoylquinic acid isomers (3-, 4-, and 5-CQA), that currently known as 5-CQA as per guidelines of IUPAC. It is one of the most available acids among phenolic acid compounds which can be naturally found in green coffee extracts and tea. CGA is an important and biologically active dietary polyphenol, playing several important and therapeutic roles such as antioxidant activity, antibacterial, hepatoprotective, cardioprotective, anti-inflammatory, antipyretic, neuroprotective, anti-obesity, antiviral, anti-microbial, anti-hypertension, free radicals scavenger and a central nervous system (CNS) stimulator...
October 25, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29068700/silibinin-reduces-the-impact-of-obesity-on-invasive-liver-cancer
#13
C Miethe, H Nix, R Martin, A R Hernandez, R S Price
Obesity is associated with non-alcoholic steatohepatitis (NASH) and hepatocellular carcinoma (HCC). Obesity and metabolic abnormalities resulting in low-grade inflammation can increase the risk of developing NASH and HCC. NASH, a risk factor for HCC, is characterized by increased inflammation, lipid accumulation, and liver injury. Obesogenic proteins modulate signaling pathways that induce physiological changes including lipogenesis, ROS, and inflammation. Silibinin, a polyphenol in milk thistle seed, has been shown to have anti-inflammatory properties...
October 25, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/29048380/hop-phytochemicals-and-their-potential-role-in-metabolic-syndrome-prevention-and-therapy
#14
REVIEW
Pavel Dostálek, Marcel Karabín, Lukáš Jelínek
Historically, hop cones (Humulus lupulus) have been used since ancient times as a remedy for many ailments and, as a source of polyphenols and bitter acids, is very effective in the treatment of metabolic syndrome (MS). Hop flavonoids, particularly xanthohumol (XN), are substances with hypoglycemic, antihyperlipidemic, and antiobesity activities. Iso-α-acids (IAA) and matured hop bitter acids (MHBA) improve health by influencing lipid metabolism, glucose tolerance, and body weight. The modulatory effect of IAA and MHBA on lipid metabolism may also be responsible for a loss in body weight...
October 19, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28982243/solanum-nigrum-polyphenol-extracts-inhibit-hepatic-inflammation-oxidative-stress-and-lipogenesis-in-high-fat-diet-treated-mice
#15
Ja-Jen Chang, Dai-Jung Chung, Yi-Ju Lee, Bo-Han Wen, Hsing-Yu Jao, Chau-Jong Wang
Patients with diabetes, obesity, and hyperlipidemia are all high-risk groups for fatty liver; however, the mechanism of fatty liver formation is not completely understood. Studies have indicated that abnormal fat metabolism, oxidative stress, and insulin resistance are positively correlated with peroxidation and abnormal cytokine production. Recent studies have revealed that Solanum nigrum extracts (SNE) possess anti-inflammatory, antioxidation, antihyperlipidemia, and liver protection abilities. Therefore, the present study investigated the in vivo and in vitro effects of an SNE on nonalcoholic fatty liver (NAFL)-induced hepatitis...
October 25, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28965248/decaffeinated-green-and-black-tea-polyphenols-decrease-weight-gain-and-alter-microbiome-populations-and-function-in-diet-induced-obese-mice
#16
Susanne M Henning, Jieping Yang, Mark Hsu, Ru-Po Lee, Emma M Grojean, Austin Ly, Chi-Hong Tseng, David Heber, Zhaoping Li
PURPOSE: Decaffeinated green tea (GT) and black tea (BT) polyphenols inhibit weight gain in mice fed an obesogenic diet. Since the intestinal microflora is an important contributor to obesity, it was the objective of this study to determine whether the intestinal microflora plays a role in the anti-obesogenic effect of GT and BT. METHODS: C57BL/6J mice were fed a high-fat/high-sucrose diet (HF/HS, 32% energy from fat; 25% energy from sucrose) or the same diet supplemented with 0...
September 30, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28948018/ultraviolet-light-c-increases-antioxidant-capacity-of-the-strawberry-fragaria-x-ananassa-in-vitro-and-in-high-fat-diet-induced-obese-rats
#17
Cecilia I Oviedo-Solís, Cuauhtémoc Sandoval-Salazar, Edmundo Lozoya-Gloria, Genaro A Maldonado-Aguilera, Herlinda Aguilar-Zavala, Vicente Beltrán-Campos, Victoriano Pérez-Vázquez, Joel Ramírez-Emiliano
Flavonoids and polyphenols from the strawberry and other fruits have been proposed to reduce the oxidative stress produced by the obesity and her complications. Moreover, it has been proposed that irradiation with UV-C to strawberry may increase the antioxidant capacity of this fruit. The aim of the present study was to explore the effects of the UV-C on antioxidant capacity of strawberry in vitro and in vivo. Strawberry slices were irradiated with ultraviolet light-C (UV-C) at 1.2 W/m(2)/16.5 min; then, the power antioxidant was isolated from the nonirradiated and irradiated strawberry slices into an organic phase, which was lyophilized to finally producing a nonirradiated strawberry extract (NSE) and UV-irradiated strawberry extract (UViSE) powder...
September 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28938495/polyphenol-enriched-fractions-of-cyclopia-intermedia-selectively-affect-lipogenesis-and-lipolysis-in-3t3-l1-adipocytes
#18
Babalwa U Jack, Christiaan J Malherbe, Elize L Willenburg, Dalene de Beer, Barbara Huisamen, Elizabeth Joubert, Christo J F Muller, Johan Louw, Carmen Pheiffer
Cyclopia species are increasingly investigated as sources of phenolic compounds with potential as therapeutic agents. Recently, we demonstrated that a crude polyphenol-enriched organic fraction (CPEF) of Cyclopia intermedia, currently forming the bulk of commercial production, decreased lipid content in 3T3-L1 adipocytes and inhibited body weight gain in obese db/db mice. The aim of the present study was to determine whether a more effective product and/or one with higher specificity could be obtained by fractionation of the CPEF by purposely increasing xanthone and benzophenone levels...
September 22, 2017: Planta Medica
https://www.readbyqxmd.com/read/28936721/a-novel-resveratrol-derivative-selectively-inhibits-the-proliferation-of-colorectal-cancer-cells-with-kras-mutation
#19
Haruna Okamoto, Taiji Matsukawa, Satoshi Doi, Toshiyuki Tsunoda, Yuuga Sawata, Madoka Naemura, Koichiro Ohnuki, Senji Shirasawa, Yojiro Kotake
Resveratrol is a polyphenolic compound in many edible foods including grapes, peanuts, and berries. Several studies have revealed the beneficial effects of resveratrol against various diseases such as heart disease, diabetes, obesity, neurological disorders, and cancer. A recent study showed that resveratrol inhibits the proliferation of HCT116 human colorectal cancer cells in three-dimensional culture (3DC) via induction of luminal apoptosis in HCT116 cell spheroids. In this study, we showed that a novel compound, caffeic acid-adducted resveratrol, has a stronger inhibitory effect on the growth of HCT116 cell spheroids in 3DC than resveratrol...
September 21, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28930190/oligonol-a-low-molecular-weight-polyphenol-derived-from-lychee-alleviates-muscle-loss-in-diabetes-by-suppressing-atrogin-1-and-murf1
#20
Hung-Wen Liu, Yen-Ju Chen, Yun-Ching Chang, Sue-Joan Chang
Stimulation of the ubiquitin-proteasome pathway-especially E3 ubiquitin ligases Atrogin-1 and MuRF1-is associated with muscle loss in diabetes. Elevated lipid metabolites impair myogenesis. Oligonol, a low molecular weight polyphenol derived from lychee, exhibited anti-diabetic and anti-obesity properties, suggesting it could be a proper supplement for attenuating muscle loss. Dietary (10 weeks) oligonol supplementation (20 or 200 mg/kg diet) on the skeletal muscle loss was investigated in diabetic db/db mice...
September 20, 2017: Nutrients
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