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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Young-Hoon (College of Pharmacy, Wonkwang University) Jeong, Dong-Won (College of Pharmacy, Wonkwang University) Kim, Yoon-Cheol (College of Pharmacy, Wonkwang University) Sohn, Dong-Hwan (College of Pharmacy, Wonkwang University) Park, Eun-Seok (College of Pharmacy, Sungkyunkwan University) Lee, Hye-Suk (College of Pharmacy, Wonkwang University)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제30권 제2호
발행연도
2007.1
수록면
260 - 265 (6page)

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The pharmacokinetics of active components such as baicalein, wogonin and oroxylin A were evaluated after oral administration of a purified extract of Scutellaria baicalensis GEORGI (PF-2405) containing the high contents of baicalein, wogonin and oroxylin A to rats. Following oral administration of PF-2405 at 10, 20 and 40 mg/kg dose (equivalent to 4.5, 9.0 and 18 mg/kg baicalein), a major constituent baicalein and its active metabolite baicalin showed dose-linear pharmacokinetics as evidenced by unaltered dose-normalized AUC, dose-normalized C$_{max}$, Ae$_{0-30h}$ and Gl$_{30h}$ values. Following oral administration of PF-2405 at three doses (equivalent to 0.4, 0.8 and 1.6 mg/kg wogonin), dose-normalized C$_{max}$ and dose-normalized AUC were comparable between the 20 and 40 mg/kg PF2405 doses, but plasma concentrations of wogonin at 10 mg/kg of PF-2405 were not measurable as they were below limit of quantitation (LOQ; 18 pmol/mL). Following oral administration of PF-2405 at the three doses (equivalent to 1.5, 3.0 and 6.0 mg/kg oroxylin A), the concentrations of oroxylin A in plasma, urine and gastrointestine samples were below the assay LOQ (18 pmol/mL). Significant differences in AUCs, Ae$_{0-30h}$,of and Gl$_{30h}$ values for baicalein and baicalin were observed after oral administration of pure baicalein (18 mg/kg) and PF-2405 (40 mg/kg). The increases in AUCs of baicalein and baicalin after oral administration of PF-2405 may have been due to the significant decrease in Gl$_{30h}$ values for baicalein.

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