Saffron acid is also known as saffron acid. Saffron acid is a kind of rare water-soluble carotenoid in nature that co-exists in saffron and gardenia. It is the main component of saffron, which has anti-cancer, anti-tumor, anti-lipid, liver protection, quenching free radicals, antioxidant and other effects. In addition, it has good water solubility, strong coloring power, stable to light, and bright golden color in pH = 1 ~ 4. Once the color is very stable and other advantages, it is widely used in the field of medicine and food
