Maoka Takashi, Etoh Tetsuji, Osawa Ayako, Shindo Kazutoshi
Research Institute for Production Development, Division of Food Function and Chemistry, Kyoto, Japan.
J Oleo Sci. 2012;61(7):401-6. doi: 10.5650/jos.61.401.
Structures of (3R)-3-hydroxy-4-ketotorulene (1) and (3R)-3-hydroxy-4-keto-γ-carotene (2) isolated from the yeast Xanthophyllomyces dendrorhrous were fully characterized by FAB MS, ¹H NMR, ¹³C NMR and CD spectroscopic data. Both 1 and 2 showed potent singlet oxygen (¹O₂) quenching activity as that of astaxanthin and lycopene, which were well known strong ¹O₂ quencher.
从酵母树状黄质霉菌中分离得到的(3R)-3-羟基-4-酮基托鲁烯(1)和(3R)-3-羟基-4-酮基-γ-胡萝卜素(2)的结构通过快原子轰击质谱、¹H核磁共振、¹³C核磁共振和圆二色光谱数据得到了充分表征。1和2都表现出与虾青素和番茄红素相当的高效单线态氧(¹O₂)淬灭活性，虾青素和番茄红素是众所周知的强¹O₂淬灭剂。
