Ohguchi Kenji, Tanaka Toshiyuki, Iliya Ibrahim, Ito Tetsuro, Iinuma Munekazu, Matsumoto Kenji, Akao Yukihiro, Nozawa Yoshinori
Gifu International Institute of Biotechnology, Mitake, Kani-gun, Gifu 505-0116, Japan.
Biosci Biotechnol Biochem. 2003 Mar;67(3):663-5. doi: 10.1271/bbb.67.663.
Gnetol (2,3',5',6-tetrahydroxy-trans-stilbene), a naturally occurring compound particularly found in the genus Gnetum, had a strong inhibitory effect on murine tyrosinase activity. Gnetol (IC50, 4.5 microM) was stronger than kojic acid (IC50, 139 microM) as a standard inhibitor for murine tyrosinase activity. Moreover, gnetol significantly suppressed, melanin biosynthesis in murine B16 melanoma cells.
去甲二氢愈创木酸(2,3',5',6 - 四羟基反式芪)是一种天然存在的化合物,尤其在买麻藤属植物中发现,它对小鼠酪氨酸酶活性具有强烈的抑制作用。作为小鼠酪氨酸酶活性的标准抑制剂,去甲二氢愈创木酸(IC50为4.5微摩尔)比曲酸(IC50为139微摩尔)的抑制作用更强。此外,去甲二氢愈创木酸显著抑制小鼠B16黑色素瘤细胞中的黑色素生物合成。