Asian Journal of Traditional Medicines
Asian Journal
Of Traditional Medicines

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›› 2007, Vol. 2 ›› Issue (2): 70-74.

• 论文 • Previous Articles     Next Articles

Identification of Water-soluble Components, That Are not Saponins, from Dioscorea nipponica Mak.

Jiayong Zhang 1; Haifeng Chen 2,3; Naili Wang 1,2 *; Xinsheng Yao 1,2   

  1. 1. School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China; 2. Key Lab for New Drugs Research of TCM Research Institute of Tsinghua University, Shenzhen 518055, China; 3. Medical School, Tisinghua University, Beijing 100084, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-04-15 Published:2007-04-15
  • Contact: Naili Wang

Abstract: The water-soluble components belonging to non-saponins from Dioscorea nipponica Mak. were isolated and structurally identified. Solvent extraction and column chromatography were used to isolate the compounds and physico-chemical constants and spectroscopic analysis were employed for structural identification. Seven compounds were isolated and elucidated as benzyl 1-O-β-D-glucopyranoside (1), leonuriside A (2), Icariside D2 (3), pyrocatechol 1-O-β-D-glucopyranoside (4), (+) syringaresinol-4-O-β-D-glucopyranoside (5), cyclo-(Leu-Tyr) (6) and adenosine (7). All of these compounds were obtained from Diosorea for the first time.

Key words: Dioscorea nipponica Mak., water-soluble component, non-saponin

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