Phycocyanin is a natural food coloring. It is the only natural blue pigment approved by the US FDA. The European Union has listed phycocyanin as a color food raw material, and its use in food is not restricted. Phycocyanin can also be used as raw materials for medicines and health products, cosmetics, and biochemical reagents.
Capsanthin, also known as capsicum, is a triterpene orange-red pigment in ripe red pepper fruits. It is a carotenoid natural red pigment. It can be used in food, cosmetics and medicine.
Monascus red is a natural food coloring obtained by using Monascus fermentation or extracted from red yeast rice. Monascus red is used in cakes, candies, cooked meat, tofu skin, ice cream, biscuits, etc.
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