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KMID : 0665220230360050403
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Korean Journal of Food and Nutrition
2023 Volume.36 No. 5 p.403 ~ p.414
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Anti-Obesity Effect of Fermented Pollack Skin and Wolfiporia extensa Ginns in High Fat-induced Obesity Animal Model
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Kim Mi-Ja
Kang Soon-Ah
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Abstract
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This study aimed to determine the anti-obesity effect of adding Wolfiporia extensa Ginns (W) to fermented pollack skin products in an obesity-induced animal model. The experimental groups were the normal diet group (C), high-fat diet group (HF), dried pollack skin (H1), fermented pollack skin (H2), and W of 0.1 (F2-WL), 0.3 (F2-WM), and 0.5 (F2), respectively. It was confirmed that adding W to fermented pollack skin reduced blood triglycerides, total cholesterol, and LDL levels, while increasing HDL levels. Wolfiporia extensa Ginns was effective in controlling weight and improving blood lipids in a dose-dependent manner. In histological analysis, findings of fatty liver induced by a high-fat diet were improved by the addition of H2 and W. Size and density of fat globules in the epididymis were decreased. In addition, the concentration of TNF-α was increased in the high-fat diet group, but decreased by the addition of fermented pollack skin and W. In conclusion, adding fermented dried pollack skin and Wolfiporia extensa Ginns was effective for weight control and blood lipid improvement. Thus, the use of by-products in functional foods is expected to have a high value in the future.
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KEYWORD
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anti-obesity effect, fermented pollack skin, Wolfiporia extensa Ginns, high fat diet-induced obesity model
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