Tohoku Pharmaceutical University, Sendai, Japan.
Biol Pharm Bull. 2006 Jun;29(6):1275-7. doi: 10.1248/bpb.29.1275.
From stem bark of Callistemon rigidus (Myrtaceae), piceatannol and scirpusin B were isolated as components that exhibit inhibitory effects on alpha-amylase activity in isolated mouse plasma. In particular, scirpusin B also inhibited alpha-amylase in mouse gastrointestinal tract. Thus, we expect the depressive effect on the elevation of postprandial blood glucose may be a new medicinal use of this compound as well as the plant itself.
从细叶桉（桃金娘科）的树皮中分离得到白皮素和水黄皮素 B，它们都具有抑制离体小鼠血浆中α-淀粉酶活性的作用。特别是，水黄皮素 B 还能抑制小鼠胃肠道中的α-淀粉酶。因此，我们期望这种化合物及其植物本身对餐后血糖升高的抑制作用可能是其新的药用用途。
