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.

从木(脂树)种子假种皮中提取的脂树橙、降脂树橙是重要的食用天然色素,具保健生理,全营养,有较大市场。