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(树)种子假种皮中提取的树橙、降树橙是重要的食用天然色素,具保功能,安全营养,有较大市场。