Flavonoids from leaves of Psidum littorale
10.16438/j.0513-4870.2016-0747
- VernacularTitle:草莓番石榴叶中黄酮类成分研究
- Author:
Hang-qing CUI
1
;
Cai-ying PENG
1
;
Ying-zheng HUANG
1
;
Ying GAO
1
;
Jian-qun LIU
1
;
Rui ZHANG
1
;
Ji-cheng SHU
1
Author Information
1. Key Laboratory of Modern Preparation of Traditional Chinese Medicines, Ministry of Education of PRC, Jiangxi University of Traditional Chinese Medicines, Nanchang 330004, China
- Publication Type:ORIGINAL ARTICLES
- Keywords:
Psidum littorale;
chemical constituent;
flavonoids
- From:
Acta Pharmaceutica Sinica
2016;51(11):1745-
- CountryChina
- Language:Chinese
-
Abstract:
We investigated the chemical constituents of the leaves of Psidum littorale, which include 16 flavonoids, including seven flavonols, six flavonoid glycosides and three flavonones. The compounds were isolated by silica gel column chromatography. Their structures were elucidated on the basis of spectral analysis and by comparison with published data. Seven flavonols were kaempferol (1), isorhamnetin (2), myricetin-3,7,3'-trimethyl ether (3), laricitrin (4), quercetin (5), myricetin (6) and quercein-3,4'-dimethyl ether (7), six flavonoid glycosides were guaijaverin (8), hyperoside (9), 5,4'-dyhydroxy-3,7,5'-methoxyflavone-3'-O-β-D-glucoside (10), laricitrin-3-O-xyloside (11), myricetin-3-O-α-L-rhamnopyranoside (12) and myricetin-3-O-β-D-xyloside (13). Three flavonones were 4'-O-methyldihydroquercetin (14), dihydroapigenin (15) and ampelopsin 4'-O-β-D-glucopyranoside (16). Compound 10 is a new chemical, compounds 2-4, 7, 10-16 were first isolated from this plant. 1H NMR and 13C NMR data of compound 11 were not reported in literature.
