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Int J Med Mushrooms. 2015;17(11):1069-76.

Hepatoprotective Activity of Water Extracts from Chaga Medicinal Mushroom, Inonotus obliquus (Higher Basidiomycetes) Against Tert-Butyl Hydroperoxide-Induced Oxidative Liver Injury in Primary Cultured Rat Hepatocytes.

Author information

1
Department of Public Health Science, Graduate School, Korea University, Seoul, Republic of Korea.
2
Department of Hotel Culinary Arts and Nutrition, Kaya University, Gyeongnam, Republic of Korea.
3
Department of Food and Nutrition, Korea University, Seoul, Republic of Korea.

Abstract

We examined the hepatoprotective activity of Inonotus obliquus water extract (IO-W) against tert-butyl hydroperoxide (t-BHP)-induced oxidative liver injury in the primary cultured rat hepatocyte. The 50% radical scavenging concentrations (SC50s) of IO-W for radical-scavenging activity against 2,2'-azino-bis-(3-ethylbenzothi- azoline-6-sulfonic acid) (ABTS) and 1,1-diphenyl-2-picryl-hydrazyl (DPPH) were 5.19 mg/mL and 0.39 mg/mL, respectively. IO-W pretreatment to the primary cultured hepatocytes significantly (p<0.05) protected the cells from t-BHP-induced cytotoxic injury even at a low concentration of IO-W (10 µg/mL). The cellular leakage of alanine aminotransferase (ALT), aspartate aminotransferase (AST), and lactate dehydrogenase (LDH), as well as malondialdehyde (MDA) formation caused by t-BHP were significantly (p<0.05) suppressed by IO-W pretreatment (>100 µg/ mL). In conclusion, this study demonstrates that IO-W exhibited hepatoprotective activity against t-BHP-induced oxidative liver injury in the primary cultured hepatocyte probably via its abilities of quenching free radicals, inhibiting the leakage of ALT, AST, and LDH, and decreasing MDA formation.

PMID:
26853962
[Indexed for MEDLINE]

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