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자료유형
학술저널
저자정보
김장희 (숙명여자대학교 약학대학) 양기숙 (숙명여자대학교 약학대학) 김태희 (숙명여자대학교 약학대학)
저널정보
대한약학회 약학회지 약학회지 제43권 제1호
발행연도
1999.1
수록면
16 - 22 (7page)

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Scutellaria baicalensis Georgi (Labiatae) has been extensively used in treatment of diarrhea, conjunctivitis, gastritis, enteritis and skin disease. As instructed in old description, the Scutellariae Radix should sometimes be processed before use. To 노디 light on the changes of chemical compositions by processing as well as processing method-activity relationships, Scutellariae Radix was heated at 16$0^{\circ}C$-20$0^{\circ}C$ for 30 min. in furnace or soaked with 20% EtOH (SPE) and boy's urine(SPU), respectively, which are one of processing methods and then heated at 17$0^{\circ}C$ for 30 min. To isolate the chemical components, Scutellariae Radix with/without processing were extracted with EtOH and EtOH extract was fractionated with ether, ethyl acetate and butanol to give respective fractions. Ether and EtOAc fractions obtained from the processed drug with urine (SPU) were subjected to chromatography to obtainsix components, oroxylin A, Wogonin, chrysin, baicalein, baicalein 7-O-$\beta$-D-glucopyranoside and $\beta$-sitosterol 3-O-$\beta$-D-glucopyranoside. All the isolated compounds were identified by means of physicochemical and spectroscopic methods (IR, $^1H-NMR,{\;}^13C-NMR$, Mass). By HPLC determination, the changes of the contents for each isolated components from SPE and SPU samples were observed. It was found that the content of nonglycosidic flavones such as oroxylin A, wogonin, chrysin and baicalein was increased markedly, whereas the content of baicalin and baicalein 7-O-$\beta$-D-glucopyranoside was significantly decreased in both samples as compared with those of Scutellariae Radix. When the sample was soaked with boy's urine, the total amount of nonglycosidic flavones was higher than that of processing with 20% EtOH.

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