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Ipomotaosides A−D, Resin Glycosides from the Aerial Parts of Ipomoea batatas and Their Inhibitory Activity against COX-1 and COX-2

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journal contribution
posted on 29.11.2010, 00:00 by Kazuko Yoshikawa, Chiho Yagi, Hiroshi Hama, Masami Tanaka, Shigenobu Arihara, Toshihiro Hashimoto
Four new resin glycosides, namely, ipomotaosides A−D (14), were isolated from the dried aerial parts of Ipomoea batatas. The structures of 14 were elucidated by analysis of their spectroscopic data and by chemical derivatization and were tested for their anti-inflammatory activity against cyclooxygenase (COX)-1 and -2.