[Chemical study on ethyl acetate portion of Ehretia thyrsiflora, boraginaceae species of Kudingcha].
Zhongguo Zhong Yao Za Zhi
; 33(17): 2121-3, 2008 Sep.
Article
in Zh
| MEDLINE
| ID: mdl-19066055
ABSTRACT
OBJECTIVE:
To investigate the chemical constituents of Ehretia thyrsiflora.METHOD:
Compounds were isolated by using silica gel, Sephadex LH-20 and RP-C18 chromatography; their structures were elucidated by means of spectral data analysis.RESULT:
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).CONCLUSION:
All these compounds were isolated from E. thyrsiflora for the first time. Compounds 2-7 were isolated from genus Ehretia for the first time.
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Database:
MEDLINE
Main subject:
Drugs, Chinese Herbal
/
Boraginaceae
/
Acetates
Language:
Zh
Journal:
Zhongguo Zhong Yao Za Zhi
Journal subject:
FARMACOLOGIA
/
TERAPIAS COMPLEMENTARES
Year:
2008
Type:
Article
Affiliation country:
China