Acting as chemical scavengers, carotenoids play roles in the prevention ... displays a unique specificity for a subclass of these reactions, all of the relevant genes have been cloned, and in ...

Rosy-faced lovebirds have different boldly colored feathers because of an "elegantly simple" chemical reaction ... rather than getting carotenoids from foods like other birds do?

A simple chemical tweak governed by a single enzyme ... berries and seeds that contain naturally occurring pigments called ...