Any of a group of closely related colloids derived from Irish moss and several other red algae, widely used as a thickening, stabilizing, emulsifying, or suspending agent in industrial, pharmaceutical, and food products.

• 角叉菜，爱兰苔从角叉菜和几种其他红藻类中制成的紧密关联的胶体，作为浓化剂、稳定剂、乳化剂或悬浮剂而广泛用于工业品、药品和食品生产中