e/Protocyanin

Information
has gloss	eng: Protocyanin is an anthocyanin pigment that is responsible for the red colouration of roses, but in cornflowers is blue. The pigment was first isolated in 1913 from the blue cornflower, and the identical pigment was isolated from a red rose in 1915. The difference in colour was previously explained as a difference in flower-petal pH,
lexicalization	eng: Protocyanin
instance of	(noun) dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.) pigment