New Kaempferol 3,7-Diglycosides from Asplenium ruta-muraria and Asplenium altajense

Author:

Iwashina Tsukasa1,Kitajima Junichi2,Mizuno Takayuki1,Smirnov Sergey V.3,Damdinsuren Oyunchimeg4,Kondo Katsuhiko5

Affiliation:

1. Department of Botany, National Museum of Nature and Science, Amakubo 4-1-1, Tsukuba, Ibaraki 305-0005, Japan

2. Showa Pharmaceutical University, Machida, Tokyo 194-8543, Japan

3. Department of Plant Systematics, Altai State University, Barnaul, Altai 656099, Russia

4. Biology Division, Hovd State University, Hovd, Hovd Province 213500, Mongolia

5. Department of Agriculture, Faculty of Agriculture, Tokyo University of Agriculture, Funako 1737, Atsugi, Kanagawa 243-0034, Japan

Abstract

A flavonoid was isolated from the fronds of Asplenium ruta-muraria and A. altajense (Aspleniaceae) collected in the Altai Mountains and adjacent area. The compound was identified as kaempferol 3- O- β-[(6″′- E-caffeoylglucopyranosyl)-(1→3)-glucopyranoside]-7- O- β-glucopyranoside (1) by UV, 1H and 13C NMR spectroscopy, LC-MS, and acid and alkaline hydrolyses. Another flavonoid (2) was isolated from A. altajense, as a minor compound, together with 1 and identified as deacylated compound 1, i.e. kaempferol 3- O-laminaribioside-7- O-glucoside. They were found in nature for the first time.

Publisher

SAGE Publications

Subject

Complementary and alternative medicine,Plant Science,Drug Discovery,Pharmacology,General Medicine

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