This study reports the potent inhibitory effect of N-aryl S-alkylthiocarbamate derivatives on mushroom tyrosinase (MT) activity. N-Aryl S-alkylthiocarbamate derivatives were found to exhibit a potent inhibitory effect on the dopa (3,4-dihydroxyphenylalanine) oxidase activity of mushroom tyrosinase. Most of the N-aryl S-alkylthiocarbamate derivatives (compounds from A to J) exhibited higher inhibitory effects than kojic acid (IC50=318 μm), a well known tyrosinase inhibitor. Tyrosinase was the most inhibited by S-phenetyl N-phenylthiocarbamate (compound E, IC50=7.25 μM), and this inhibition was 44 times stronger than that of kojic acid. Compound E exhibited 95.0% of inhibition at 100 μM. A kinetic study of MT inhibition by compound E using the Lineweaver–Burk plots analysis was performed. And the kinetics profiles observed suggest that compound E competitively inhibits MT.
本研究报告了N-芳基S-烷基
硫代
氨基甲酸酯衍
生物对蘑菇
酪氨酸酶(
MT)活性的强抑制作用。发现N-芳基S-烷基
硫代
氨基甲酸酯衍
生物对蘑菇
酪氨酸酶的多巴(3,4-二羟基苯丙
氨酸)氧化酶活性具有强抑制效果。大多数N-芳基S-烷基
硫代
氨基甲酸酯衍
生物(A到J化合物)显示出比已知的
酪氨酸酶抑制剂桂皮酸更强的抑制效果(IC50=318 μM)。S-苯乙基N-苯基
硫代
氨基甲酸酯(E化合物)对
酪氨酸酶的抑制最为显著,其IC50为7.25 μM,该抑制强度是
桂皮酸的44倍。E化合物在100 μM时显示出95.0%的抑制率。利用Lineweaver–Burk图分析进行了E化合物对
MT抑制的动力学研究,观察到的动力学特征表明E化合物是通过竞争性抑制
MT的。