期刊
JOURNAL OF FUNCTIONAL FOODS
卷 21, 期 -, 页码 249-262出版社
ELSEVIER
DOI: 10.1016/j.jff.2015.11.033
关键词
Morus alba L. leaf extract; Polyphenol; 3T3-L1 adipocyte; High-fat diet; Lipid metabolism; Anti-obesity effect
资金
- National Science Council, Taiwan [NSC 102-2313-B-040-003-MY3]
This study investigated the effects of mulberry leaf extract (MLE) and mulberry leaf poly phenol extract (MLPE) on lipid accumulation in 3T3-L1 cells and obesity in mice fed a high fat diet (HFD). MLPE was extracted from mulberry leaves using ethanol, and those polyphenolic compounds that can be analysed by HPLC. Both MLE and MLPE efficiently suppressed the expression of SREBP-1c and PPAR-gamma proteins and the target genes A-FABP and FAS, whereas both of these compounds increased phosphorylation of AMPK in vivo and in vitro. Treatment of quercetin, caffeic acid, hydroxyflavin and hesperetin, the main ingredients of MLPE, also inhibited the differentiation of 3T3-L1 preadipocytes. In addition, orally administering MLE significantly reduced body weight gain and lipid accumulation in the liver and serum/hepatic triglyceride and total cholesterol levels compared with those in the HFD group. Therefore, the mulberry leaf may be used as a dietary supplement in patients with certain diseases with obesity involvement. (C) 2015 Elsevier Ltd. All rights reserved.
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