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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Ki-Hyun (Natural Products Laboratory, College of Pharmacy, Sungkyunkwan University) Choi, Sang-Un (Korea Research Institute of Chemical Technology) Park, Ki-Moon (Department of Food Science and Biotechnology, Sungkyunkawn University) Seok, Soon-Ja (Division of Applied Microbiology, National Institute of Agricultural Science and Technology, RDA) Lee, Kang-Ro (Natural Products Laboratory, College of Pharmacy, Sungkyunkwan University)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제31권 제5호
발행연도
2008.1
수록면
579 - 586 (8page)

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As part of our systematic study of Korean toxic mushrooms, we have investigated the constituents of Amanita subjunquillea. The column chromatographic separation of the MeOH extract of A. subjunquillea led to the isolation of four ergosterols, two cerebrosides and four cyclopeptides. Their structures were determined by spectroscopic methods to be (22E,24R)-$5{\alpha},8{\alpha}$-epidioxyergosta-6,9,22-triene-$3{\beta}$-ol (1), (22E,24R)-$5{\alpha},8{\alpha}$-epidioxyergosta-6,22-dien-$3{\beta}$-ol (2), (22E,24R)-$5{\alpha},6{\alpha}$-epoxyergosta-8,22-diene-$3{\beta},7{\beta}$-diol (3), (24S)-ergost-7-en-$3{\beta}$-ol (4), 8,9-dihydrosoyacerebroside I (5), soyacerebroside I (6), $\beta$-amanitin (7), phalloin (8), $\alpha$-amanitin (9), and phalloidin (10). The compounds 1-6 and 8 were isolated for the first time from this mushroom. The isolated compounds were evaluated for the cytotoxicity against A549, SK-OV-3, SKMEL-2 and HCT15 cells. Compound 9 exhibited significant cytotoxic activity against A549, SKOV-3, SK-MEL-2 and HCT15 with $ED_{50}$ values of 1.47, 0.26, 1.57 and $1.32\;{\mu}M$, respectively.

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