ANTHOCYANIN is validvalid

a water-soluble, reddish or blue pigment in flowers, plants, and some insects [n ANTHOCYANINS]

145,780 of 196,601 in NWL2023·also valid in CSW24

a glucoside plant pigment, violet in neutral, red in acid, blue in alkaline cell-sap, also ANTHOCYAN [n -S]