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자료유형
학술저널
저자정보
Kim, Jun-Young (Division of Applied Life Science [BK21 Program], EB-NCRC, Institute of Agriculture and Life Science, Graduate School of Gyeongsang National University) Oh, Kyeong-Yeol (Division of Applied Life Science [BK21 Program], EB-NCRC, Institute of Agriculture and Life Science, Graduate School of Gyeongsang National University) Kim, Ji-Young (Division of Applied Life Science [BK21 Program], EB-NCRC, Institute of Agriculture and Life Science, Graduate School of Gyeongsang National University) Ryu, Hyung-Won (Division of Applied Life Science [BK21 Program], EB-NCRC, Institute of Agriculture and Life Science, Graduate School of Gyeongsang National University) Jeong, Tae-Sook (National Research Laboratory of Lipid Metabolism & Atherosclerosis, KRIBB) Park, Ki-Hun (Division of Applied Life Science [BK21 Program], EB-NCRC, Institute of Agriculture and Life Science, Graduate School of Gyeongsang National University)
저널정보
한국응용생명화학회 Applied Biological Chemistry Applied Biological Chemistry 제53권 제4호
발행연도
2010.1
수록면
427 - 432 (6page)

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Three chalcones and two flavanones displaying tyrosinase inhibitory activity were isolated from the seed of Psoralea corylifolia, a cultivated edible plant. The isolated compounds were elucidated as known isovabachalcone, 4'-O-methylbavachalcone, isobavachromene, corylifolin, and bavachinin. The inhibitory potencies of the polyphenols toward monophenolase activity of mushroom tyrosinase were investigated. The inhibitory concentration ($IC_{50}$) values of compounds 1-5 for monophenolase activity were determined to be 12.3, 48.8, 15.8, 23.6, and $143.9\;{\mu}M$, respectively. The potent inhibitors 1-4 exhibited the competitive inhibition characteristics in analysis of Lineweaver-Burks and Dixon-plot.

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