Anthocyanin extract liquid 1%
Appearance:dark purple liquid
Shelf life:2 years
Product description:Anthocyanins can be used as pH indicators because their color changes with pH; they are red or pink in acidic solutions (pH<7), purple in neutral solutions (pH=7), greenish-yellow in alkaline solutions (pH>7), and colorless in very alkaline solutions, where the pigment is completely reduced.
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