Chemical study on ethyl acetate portion of Ehretia thyrsiflora, boraginaceae species of Kudingcha / 中国中药杂志
China Journal of Chinese Materia Medica
; (24): 2121-2123, 2008.
Article
in Chinese
| WPRIM (Western Pacific)
| ID: wpr-252186
Responsible library:
WPRO
ABSTRACT
<p><b>OBJECTIVE</b>To investigate the chemical constituents of Ehretia thyrsiflora.</p><p><b>METHOD</b>Compounds were isolated by using silica gel, Sephadex LH-20 and RP-C18 chromatography; their structures were elucidated by means of spectral data analysis.</p><p><b>RESULT</b>Seven compounds were isolated and identified as methyl rosmarinate (1), caffeic acid (2), quercetin (3), kampferol (4), kaempferol 3-O-alpha-D-arabinoside (5), quercetin 3-O-alpha-D-arabinoside (6), and p-hydroxy benzoic acid (7).</p><p><b>CONCLUSION</b>All these compounds were isolated from E. thyrsiflora for the first time. Compounds 2-7 were isolated from genus Ehretia for the first time.</p>
Full text:
Available
Database:
WPRIM (Western Pacific)
Main subject:
Drugs, Chinese Herbal
/
Chemistry
/
Boraginaceae
/
Acetates
Language:
Chinese
Journal:
China Journal of Chinese Materia Medica
Year:
2008
Document type:
Article