Bixin and norbixin extracted from the seed phragma o f annatto tree (Bira orellana L.) are two major edible natural pigments health, safe, nutritional and the product market is good.

从红木(胭脂)种子假种皮中提取的胭脂、降胭脂重要的食天然色素,生理功能,安全营养,有较大市场。