Korean Journal of Mycology (Kor. J. Mycol.)
Indexed in SCOPUS, KCI, DOAJ
OPEN ACCESS, PEER REVIEWED
pISSN 0253-651X
eISSN 2383-5249
RESEARCH ARTICLE

Intracellular Lipid Accumulation Inhibition, Anticancer Activity, and Single Oral Dose Toxicity of Ethanolic Wolfiporia cocos Extracts

1Laboratory of Veterinary Pharmacokinetics & Pharmacodynamics, College of Veterinary Medicine,
Kyungpook National University, Daegu 41566, Korea
2EnpuTech, Gwangju 12807, Korea
3Gangwon-do Forest Science Institute , Chuncheon 24207, Korea

Correspondence to parksch@knu.ac.kr

Korean Journal of Mycology (Kor J Mycol) September, 2018, 46(3):295-306.
https://doi.org/10.4489/KJM.20180024
Accepted: June 10, 2018; Revised: June 3, 2018; Received: May 11, 2018
Published: September, 2018.
© 2018 THE KOREAN SOCIETY OF MYCOLOGY.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

ABSTRACT

In the present study, we compared the effects of 50% ethanolic extracts of Chinese and Korean Wolfiporia cocos (CPE and KPE) on in vitro lipid accumulation in 3T3-L1 cells and their anticancer activities in Sarcoma 180 cells. We further compared the anticancer activities and the 50% inhibitory concentrations (IC50) of CPE with KPE with cultivated for one and two years in a landfill and a facility (LPE and FPE), respectively. In addition, the single oral dose toxicities of CPE and KPE were evaluated in mice. Lipid accumulation was inhibited after 48 hours, in CPE and KPE treated 3T3-L1 cells; however, no significant difference was observed between CPE and KPE in their lipid accumulation inhibitory activities. The anticancer activity of KPE was higher than that of CPE at 300 μg/mL (p<0.05), revealing the possibility of an auxiliary biological means for origin identification. The anticancer activities of LPE and FPE were significantly stronger than that of CPE (p<0.05) but there was no difference between extracts from one- and two-year-old W. cocos, irrespective of the cultivation method. In single oral dose toxicity tests, CPE and KPE did not induce mortality during the 14-day observation. Thus, the 50% of lethal dose (LD50) of CPE and KPE were estimated to be higher than 2,000 mg/kg. Taken together, our results indicate that the anticancer assay could be an auxiliary means of identifying the origin of W. cocos. In addition, artificial cultivation could be an alternative way to reduce the import of W. cocos. Lastly, 50% ethanolic W. cocos extracts could be potential candidates for obesity and cancer managements.

Keywords

Anticancer activity, Lipid accumulation, Wolfiporia cocos, Single oral dose toxicity

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