... :Bright blue, transparent, with fluorescence characteristic, unstable in heat and precipitated under PH 4.5 because of the protein bonding ... cream, jelly, confectionary,juice and beverage, cheese and darily products, noodles, Can be also used for cosmetics, tablet, capsule and feedstuffs.Usage:Usually 0. ... blue color is not very stable to heat, acid and alcohol, it will be better to add after the ...