Authors: Nguyen Tan Thanh, Nguyen Ngoc Tuan, Ping-Chung Kuo, Doan Manh Dung, Doan Lan Phuong, Dinh Thi Truong Giang, Tian-Shung Wu, Tran Dinh Thang

Abstract: A new tirucallane-type triterpenoid igniarine (1), and four known compounds meshimakobnol A (2), meshimakobnol B (3), ergosterol (4) and ergosterol peroxide (5), were purifed from the methanol extracts of the fruiting bodies of Phellinus igniarius (DC. ex Fr.) Quél. The structure of 1 was elucidated using a combination of 1D and 2D NMR techniques and HR-ESI-MS analyses. In addition, the isolated compounds were examined for their cytotoxicity against several tumour cell lines and part of the tested compounds demonstrated weak cytotoxicity.

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