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(脂)假皮中提取的脂橙、降脂橙是重要的食用天然色,健生理功能,安全营养,有较大市场。