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1.
Zhongguo Zhong Yao Za Zhi ; (24): 3859-3864, 2021.
Article de Chinois | WPRIM | ID: wpr-888109

RÉSUMÉ

This study explored the chemical constituents of the aerial part of Hypericum curvisepalum. Sixteen compounds were isolated from the 95% ethanol extract of H. curvisepalum with various chromatographic techniques, including a new prenylated phenyl polyketide, mysorenone D(1). Other compounds were mysorenone-A(2), mysorenone-C(3), mysorenone-B(4), peplidiforone A(5), 4-methoxy-3-(2-methylbut-3-en-2-yl)-6-phenyl-2H-pyran-2-one(6), hyperenone-A(7), 4-(3,3-dimethylallyl)oxy-6-phenyl-α-pyrone(8), peplidiforone B(9), elegaphenone(10), hypercohin A(11), hyperisampsin G(12), spathulenol(13), quercetin(14), β-sitosterol(15), and β-amyrin(16).


Sujet(s)
Benzophénones , Hypericum , Quercétine
2.
Zhongguo Zhong Yao Za Zhi ; (24): 3260-3264, 2016.
Article de Chinois | WPRIM | ID: wpr-307167

RÉSUMÉ

To study the chemical constituents of the aerial parts of Myripnois dioica. Twelve compounds were separated from the 95% ethanol extract of M. dioica by using various chromatographic techniques. Their stuctures were identified on the basis of their physicochemical properties and spectral data as 8-desoxyurospermal A(1), zaluzanin C(2), dehydrozaluzanin C(3), glucozaluzanin C(4), macrocliniside B(5), macrocliniside I(6), taraxinic acid-14-O-β-D-glucopyranoside(7), ainsliaside B(8), apigenin(9), luteolin(10), apigenin-7-O-β-D-glucopyranoside(11), and luteolin-7-O-β-D-glucopyranoside(12). Except for compound 8, the other compounds were isolated from this genus for the first time. Compound 8 was found to decrease blood glucose level properly in alloxan-induced diabetic mice.

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