It is found in aged Port wines.
It does not contain an oxonium ion component (flavylium cation), as anthocyanins do.
Oxovitisins are stable yellowish pigments with similar unique spectral features, displaying only a pronounced broad band around 370 nm in the UV−vis spectrum.
It is an oxidative derivative of carboxypyranomalvidin-3-glucoside (vitisin A).
This article about an aromatic compound is a stub.