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KMID : 1161420160190040410
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Journal of Medicinal Food
2016 Volume.19 No. 4 p.410 ~ p.417
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Germinated Waxy Black Rice Suppresses Weight Gain in High-Fat Diet-Induced Obese Mice
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Lim Won-Chul
Ho Jin-Nyoung
Lee Hee-Seop
Cho Hong-Yon
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Abstract
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This study was performed to investigate the antiobesity effect of germinated waxy black rice (GWBR) in high-fat diet (HFD)-induced obese mice. The mice were divided into a normal diet (ND) group, HFD group, and 2 test groups for 8 weeks: 2.5% GWBR-supplemented (GWBR-2.5) group and 5% GWBR-supplemented (GWBR-5) group. Supplementing with GWBR significantly reduced body weight gain and lipid accumulation in the liver and adipose tissue compared to the HFD control group. Triglyceride (TG), total cholesterol, and low-density lipoprotein-cholesterol levels in serum were decreased by GWBR supplementation, whereas high-density lipoprotein-cholesterol level significantly increased. In addition, mRNA levels of transcriptional factors, such as peroxisome proliferator-activated receptor-γ, CCAAT enhancer-binding protein (C/EBP)-α, C/EBP-β, sterol regulatory element-binding protein-1c, and related genes, including adipocyte fatty acid-binding protein, fatty acid synthase, and lipoprotein lipase, were significantly lower in the GWBR groups. However, lipolytic enzymes, such as hormone-sensitive lipase, adipose TG lipase, and carnitine palmitoyltransferase-1, and uncoupling protein 2 mRNA levels were significantly higher in GWBR-supplemented mice. These results suggest that GWBR exerts antiobesity effects by decreasing lipid accumulation and promoting lipolysis in HFD-induced obese mice.
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KEYWORD
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antiobesity, germinated waxy black rice, high-fat diet-induced obese mice
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