A new furospirostanol saponin, ophiofurospiside A (1), was isolated together with the known steroidal glycosides 2, 3, and 4 from the tubers of Ophiopogon japonicus (Thunb.) Ker-Gawl. Using chemical and spectral analyses (IR, MS, 1D NMR, and 2D NMR), the structure of 1 was established as 26-O--d-glucopyranosyl-(22S, 25R)-furospirost-5-ene-3, 17α, 26-triol-3-O-[α-l-rhamnopyranosyl-(1 → 2)]-[-d-xylopyranosyl-(1 → 4)]-glucopyranoside (1). Three known steroidal saponins 2-4 were identified on the basis of spectroscopic data.
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Ophiopogon japonicus (L.f) Ker-Gawl;
Document Type: Research Article
Department of Traditional Chinese Medicine Chemistry, School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
Institute of Traditional Chinese Medicine, Academy of Traditional Chinese Medicine and Material Medica of Jilin Province, Changchun, China
May 1, 2008