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논문 기본 정보

자료유형
학술저널
저자정보
Song, Yun-Seon (Bioanalysis and Biotransformation Research Center, Korea Institute of Science and Technology) Jin, Chang-bae (Bioanalysis and Biotransformation Research Center, Korea Institute of Science and Technology) Park, Eun-Hee (Department of Pharmacology, College of Pharmacy, Sookmyung Womens 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 제23권 제6호
발행연도
2000.1
수록면
599 - 604 (6page)

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$\beta$-Sitosterol, campesterol and stigmasterol have been known to the phytosterols the most frequently found in plants. Metabolism of phytosterols was investigated using rat feces and liver microsomes. Feces were collected after phytosterols (a well characterized mixture of $\beta$-sitosterol 40%, campesterol 30% and dihydrobrasicasterol) were administered orally (0.5 ${g/kg$) to rats. Metabolites of phytosterols were identified using GC/MS. Three peaks were eluted at 12.47, 12.65, 12.87 min and had characteristic molecular ions m/z 428, 430, 432, respectively. Three fecal metabolites were identified as androstadienedione, androstenedione, and androstanedione. No metabolites could be detected in the rat liver microsomal reaction mixture. The results suggest that the metabolites of phytosterols in rat feces are formed by oxidation at 3- position, saturation at 5- and 6- position, and 17- side chain cleavage in the rat large intestine.

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