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http://dx.doi.org/10.3746/jkfn.2013.42.7.1029

Inhibitory Effects of Phellinus linteus and Rice with Phellinus linteus Mycelium on Obesity and Diabetes  

Kim, Haeseop (Haetteulnal Co., Ltd.)
You, Jeheon (Haetteulnal Co., Ltd.)
Jo, Yeongcheol (Jeollanamdo Ocean & Fisheries Science Institute)
Lee, Youngjae (Jeollanamdo Ocean & Fisheries Science Institute)
Park, Inbae (Jeollanamdo Ocean & Fisheries Science Institute)
Park, Jeongwook (Jeollanamdo Ocean & Fisheries Science Institute)
Jung, Myung-A (Jellanamdo Institute of Natural Resources Research)
Kim, Young-Suk (Jellanamdo Institute of Natural Resources Research)
Kim, Sunoh (Jellanamdo Institute of Natural Resources Research)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.42, no.7, 2013 , pp. 1029-1035 More about this Journal
Abstract
The objective of this study was to examine the ability of extracts from Phellinus linteus (PL) and rice with Phellinus linteus mycelium (PLM) to inhibit obesity and diabetes. The efficacy of PL and PLM were evaluated using Oil Red O staining, cholesteryl ester transfer protein (CETP) levels, protein tyrosine phosphate 1B (PTP1B) levels, organ weight, and serum lipid levels. Lipid accumulation significantly decreased by 76% and 59% upon treatment with $300{\mu}g/mL$ of PL and PLM, respectively (P<0.01). The inhibition of CETP activity increased 99% upon treatment with $300{\mu}g/mL$ of PL or PLM. Treatment with 3, 10, 30, 100, and $300{\mu}g/mL$ of PL, changed PTP1B activity by 10, 11, 14, 12, and 18% respectively. Also, treatment with increasing concentrations of PLM led to a significant concentration-dependent inhibition of PTP1B activity (P<0.01). PL and PLM were orally administered for 28 days after a high fat diet (HFD). PL significantly (P<0.05) reduced triglyceride and cholesterol levels. In addition, PLM significantly (P<0.05) reduced triglyceride, cholesterol, and HDL-cholesterol levels. GOT and GPT were not significantly affected. These results indicate that PL and PLM extracts have potent and useful activities for the treatment of obesity and diabetes mellitus.
Keywords
3T3-L1 adipocyte; PTP1B; CETP; lipid accumulation; cholesterol;
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