Phenolic Compounds and Triterpenes from the Barks of Diospyros burmanica

Diospyros burmanica Kurz. is an evergreen deciduous tree distributed in Mandalay of Myanmar, which belongs to the family of Ebenaceae. In Myanmar, it has been used to treat diarrhea, diabetes, diabetes and also as lumbers. In this study, seven flavonoids (1 - 7), a phenolic compound (8), and five tr...

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Published inNatural product sciences Vol. 21; no. 2; pp. 76 - 81
Main Authors Choi, Janggyoo, Cho, Jae Youl, Kim, Young-Dong, Htwe, Khin Myo, Lee, Woo-Shin, Lee, Jun Chul, Kim, Jinwoong, Yoon, Kee Dong
Format Journal Article
LanguageKorean
Published 2015
Subjects
Triterpenes
Flavonoids
Diospyros burmanica
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Summary:Diospyros burmanica Kurz. is an evergreen deciduous tree distributed in Mandalay of Myanmar, which belongs to the family of Ebenaceae. In Myanmar, it has been used to treat diarrhea, diabetes, diabetes and also as lumbers. In this study, seven flavonoids (1 - 7), a phenolic compound (8), and five triterpenes (9 - 13) were isolated from the barks of D. burmanica and their chemical structures were elucidated. Isolates were identified to be (+)-catechin (1), (+)-catechin 3-O-$\alpha$-L-rhamnopyranoside (2), (+)-catechin 3-O-gallate (3), (-)-epicatechin (4), (-)-epicatechin 3-O-gallate (5), (+)-afzelechin 3-O-$\alpha$-L-rhamnopyranoside (6), (+)-2,3-trans-dihydrokaempferol 3-O-$\alpha$-L-rhamnopyranoside (7), methyl gallate (8), lupeol (9), methyl lup-20(29)-en-3-on-28-oate (10), $\beta$-amyrin (11), $\alpha$-amyrin (12), $3\beta$-hydroxy-D:B-friedo-olean-5-ene (13) through MS, 1H NMR and 13C NMR spectroscopic evidences.
Bibliography:KISTI1.1003/JNL.JAKO201525966576234
ISSN:1226-3907