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- W2380452445 abstract "Objective To study the chemical constituents in plants of Hypericum hookerianum and their activities by pharmacological experiment. Methods Cytotoxicity screening of the extracts from H. hookerianum were carried to isolate and purify the chemical constituents. The chemical structures were (identified) by physicochemical properties and spectral data analysis. Results Seven compounds were isola-(ted) and (established) as quercetin (Ⅰ), luteolin (Ⅱ), apigenin (Ⅲ), hyperin (Ⅳ), astragalin (Ⅴ), hyper-(olactone) A (Ⅵ), and hyperolactone C (Ⅶ). Conclusion All the compounds are isolated from H. hookerianum for the first time. Compounds Ⅲ and Ⅴ are isolated from the plants of Hypericum Linn. for the first time. In addition, the fractions by chlorform and ethylacete extracting, quercetin, and luteolin possess the cytotoxicity." @default.
- W2380452445 created "2016-06-24" @default.
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- W2380452445 date "2005-01-01" @default.
- W2380452445 modified "2023-09-25" @default.
- W2380452445 title "Flavonoids and spiro-lactones from Hypericum hookerianum" @default.
- W2380452445 hasPublicationYear "2005" @default.
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