Two new 24-hydroxylated asterosaponins from Culcita novaeguineae |
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| Authors: | Xiao Guang Ma Hai Feng Tang Chang Hai Zhao |
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| Institution: | a Department of Pharmacy, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China;b Hospital of Xi'an University of Finance and Economics, Xi'an 710061, China;c Department of Nutrition, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China |
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| Abstract: | Two new 24-hydroxylated asterosaponins, sodium (20R,24S)-6α-O-(4-O-sodiumsulfato-β-d-quinovopyranosyl)-5α-cholest-9(11)-en-3β,24-diol 3-sulfate (1) and sodium (20R,24S)-6α-O-3-O-methyl-β-d-quinovopyranosyl-(1 → 2)-β-d-xylopyranosyl-(1 → 3)-β-d-glucopyranosyl]-5α-cholest-9(11)-en-3β,24-diol 3-sulfate (2), were isolated from the starfish Culcita novaeguineae. Their structures were elucidated by extensive spectral analysis and chemical evidences. |
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| Keywords: | Starfish Culcita novaeguineae Steroidal glycoside Asterosaponin |
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