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KMID : 1160220180460020159
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Mycobiology
2018 Volume.46 No. 2 p.159 ~ p.167
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Hyperlipidemic Inhibitory Effects of Phellinus pini in Rats Fed with a High Fat and Cholesterol Diet
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Im Kyung-Hoan
Choi Jae-Hyuk
Baek Seung-A
Lee Tae-Soo
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Abstract
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This study evaluated the in vitro and in vivo hypolipidemic effects of the medicinal mushroom Phellinus pini. The methanol extract (ME) of the fruiting body of Ph. pini was active against pancreatic lipase and cholesterol esterase with 99.14% and 67.23% inhibited activity at 1.0?mg/mL, respectively. It also inhibited 81.81% and 55.33% of α-glucosidase and α-amylase activities, respectively, at 2.0?mg/mL. Hyperlipidemia as induced by feeding rats with a high fat and cholesterol diet (HFC). HFC supplemented with a 5% fruiting body powder of Ph. pini (HFC?+?PhP) significantly reduced plasma total cholesterol, low-density lipoprotein cholesterol, and triglycerides in rats compared with HFC. The reduced levels were comparable to rats fed the normal control diet (NC). The atherogenic index of HFC?+?PhP rats was significantly lower than that of the HFC rats. The excretion of fecal total lipid and cholesterol in the HFC?+?PhP rats was significantly higher than those in the NC and HFC rats. Histopathological examinations demonstrated scant deposition of lipids in the liver of rats fed HFC?+?PhP. The dietary supplementation with the fruiting body powder provided natural plasma lipid and glucose lowering effects in experimental rats without adverse effects on the plasma biochemical parameters and liver function related enzyme activities. Therefore, the hypolipidemic effects of Ph. pini may be due to the inhibitory effects on pancreatic lipase, cholesterol esterase, α-glucosidase, and α-amylase, and excretion of excess lipids and cholesterol in the feces.
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KEYWORD
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Atherogenic index, cholesterol, hyperlipidemia, lipid profiles, Phellinus pini
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