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Dietary supplementation of chardonnay grape seed flour reduces plasma cholesterol concentration, hepatic steatosis, and abdominal fat content in high-fat diet-induced obese hamsters. 2014

Hyunsook Kim, and Glenn E Bartley, and Torey Arvik, and Rebecca Lipson, and Seung-Yeol Nah, and Kunho Seo, and Wallace Yokoyama
Department of Nutrition, University of California, Davis, California 95616, United States.

The mechanisms for the hypocholesterolemic and antiobesity effects of grape seed flours derived from white and red winemaking processing were investigated using male Golden Syrian hamsters fed high-fat (HF) diets supplemented with 10% partially defatted grape seed flours from Chardonnay (ChrSd), Cabernet Sauvignon (CabSd), or Syrah (SyrSd) pomace as compared to a HF control diet for 3 weeks. Hamsters fed the ChrSd diet had significantly lowered plasma total-, VLDL-, and LDL-cholesterol concentrations compared to the CabSd, SyrSd, and control diets. The improved plasma cholesterol after ChrSd was correlated with the up-regulation of hepatic genes related to cholesterol (CYP51) and bile acid (CYP7A1) synthesis as well as LDL-cholesterol uptake (LDLR). A reduction of hepatic lipid content was associated with altered expression of the genes related to lipid metabolism. However, fecal total lipid content was not changed. Expression of ileal apical sodium bile acid transporter (ASBT) was not affected by ChrSd, indicating unchanged ileal bile acid reabsorption. The antiobesity effect of the ChrSd diet appears to be related to expression of adipogenesis- and inflammation-related genes in adipose tissue. These findings suggest that flavonoid-rich Chardonnay grape seed flour induced cholesterol-lowering, antiobesity, and anti-inflammatory health benefits and attenuation of hepatic steatosis via regulation of gene expression related to cholesterol, bile acid, and lipid metabolism in liver and adipose tissue.

UI MeSH Term Description Entries
D008297 Male Males
D008647 Mesocricetus A genus in the order Rodentia and family Cricetidae. One species, Mesocricetus auratus or golden hamster is widely used in biomedical research. Hamsters, Golden,Hamsters, Golden Syrian,Hamsters, Syrian,Mesocricetus auratus,Syrian Golden Hamster,Syrian Hamster,Golden Hamster,Golden Hamster, Syrian,Golden Hamsters,Golden Syrian Hamsters,Hamster, Golden,Hamster, Syrian,Hamster, Syrian Golden,Syrian Hamsters
D009765 Obesity A status with BODY WEIGHT that is grossly above the recommended standards, usually due to accumulation of excess FATS in the body. The standards may vary with age, sex, genetic or cultural background. In the BODY MASS INDEX, a BMI greater than 30.0 kg/m2 is considered obese, and a BMI greater than 40.0 kg/m2 is considered morbidly obese (MORBID OBESITY).
D002784 Cholesterol The principal sterol of all higher animals, distributed in body tissues, especially the brain and spinal cord, and in animal fats and oils. Epicholesterol
D004041 Dietary Fats Fats present in food, especially in animal products such as meat, meat products, butter, ghee. They are present in lower amounts in nuts, seeds, and avocados. Fats, Dietary,Dietary Fat,Fat, Dietary
D005234 Fatty Liver Lipid infiltration of the hepatic parenchymal cells resulting in a yellow-colored liver. The abnormal lipid accumulation is usually in the form of TRIGLYCERIDES, either as a single large droplet or multiple small droplets. Fatty liver is caused by an imbalance in the metabolism of FATTY ACIDS. Liver Steatosis,Steatohepatitis,Steatosis of Liver,Visceral Steatosis,Liver Steatoses,Liver, Fatty,Steatohepatitides,Steatoses, Liver,Steatoses, Visceral,Steatosis, Liver,Steatosis, Visceral,Visceral Steatoses
D005433 Flour A powdery meal obtained from ground up starchy foodstuff, such as seeds of WHEAT; RICE and other EDIBLE GRAIN; LEGUMES; and NUTS; or ground up PLANT TUBERS. Almond Flour,Almond Meal,Corn Flour,Corn Meal,Grain Flour,Grain Meal,Nut Flour,Potato Flour,Rice Flour,Rice Meal,Soybean Flour,Soybean Meal,Wheat Flour,Wheat Meal,Semolina Flour,Almond Flours,Almond Meals,Corn Flours,Corn Meals,Flour, Almond,Flour, Corn,Flour, Grain,Flour, Nut,Flour, Potato,Flour, Rice,Flour, Semolina,Flour, Soybean,Flour, Wheat,Flours,Flours, Almond,Flours, Corn,Flours, Grain,Flours, Nut,Flours, Potato,Flours, Rice,Flours, Semolina,Flours, Soybean,Flours, Wheat,Grain Flours,Grain Meals,Meal, Almond,Meal, Corn,Meal, Grain,Meal, Rice,Meal, Soybean,Meal, Wheat,Meals, Almond,Meals, Corn,Meals, Grain,Meals, Rice,Meals, Soybean,Meals, Wheat,Nut Flours,Potato Flours,Rice Flours,Rice Meals,Semolina Flours,Soybean Flours,Soybean Meals,Wheat Flours,Wheat Meals
D006224 Cricetinae A subfamily in the family MURIDAE, comprising the hamsters. Four of the more common genera are Cricetus, CRICETULUS; MESOCRICETUS; and PHODOPUS. Cricetus,Hamsters,Hamster
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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