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A new xanthone glycoside from Pyrrosia sheareri |
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| Authors: | Kang He Lin-Lin Fan Tian-Tai Wu |
| Institution: | The Key Laboratory of Miao Medicine of Guizhou Province, Guiyang College of Traditional Chinese Medicine, Guiyang, China |
| Abstract: | A new xanthone glycoside, 3,5,7,8-tetramethoxyxanthone-1-O-β-D-glucopyranoside (1), along with five known compounds, mangiferin (2), kaempferol (3), quercetin (4), chlorogenic acid (5) and diploptene (6), was isolated from the whole plants of Pyrrosia sheareri (Bak.) Ching. The structure of compound 1 was established on the basis of extensive spectroscopic analyses and chemical methods. |
| Keywords: | Pyrrosia sheareri (Bak ) Ching xanthone glycoside 3 5 7 8-tetramethoxyxanthone-1-O-β-D-glucopyranoside |