Spirulina blue is a natural pigment with nutrition and health function.Its main composition is phycobiliproteins, light-harvesting proteins, existed in phycobilisome of some alga.

• 摘要藻蓝是自然界中为数不多的、集营养价值与保健功能于一身的食用天然色素，其主要成分是捕光色素蛋白-藻胆蛋白。