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KMID : 1134820170460030289
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Journal of the Korean Society of Food Science and Nutrition
2017 Volume.46 No. 3 p.289 ~ p.297
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Anti-Diabetic Effect of Sericultural Product in High Fat Diet-Fed Mice
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Ahn Eun-Yeong
Choi Sang-Won
Kim Eun-Jung
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Abstract
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The objective of this study was to identify and compare the anti-diabetic effects of mulberry leave (ML), silkworm (SK), mulberry fruit (MF), and Cudrania tricuspidata BUREAU (CT) extracts in high fat diet (HFD)-induced obese and diabetic mice. C57BL/6N mice were assigned to six groups: normal diet (ND, n=7), HFD (n=10), HFD with 5% ML powder (ML, n=10), HFD with 2% SK powder (SK, n=10), HFD with 5% MF powder (MF, n=10), and HFD with 5% CT powder (CT, n=10). Mice were fed their assigned diet for 14 weeks. ML group showed significant reduction in levels of plasma glucose and insulin compared with the HFD group. Plasma total cholesterol (T-C) was significantly reduced by ML and SK compared with the HFD group. Plasma high-density lipoprotein cholesterol (HDL-C) and HTR (HDL-C to T-C ratio) levels of the ML, SK, MF, and CT groups were significantly elevated compared to the HFD group. Moreover, concentrations of hepatic T-C and triglycerides in the ML, SK, MF, and CT groups were significantly reduced in comparison to the HFD group. Levels of pAKT, pS6K, and pAMPK significantly increased in the ML group compared with the HFD group. Taken together, ML appears to be the most potent anti-diabetic and anti-dyslipidemic substance among sericultural products. ML could be developed as a potential agent for diabetes and its complication management.
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KEYWORD
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type 2 diabetes, mulberry leave, silkworm, high fat diet, mouse
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