A group of plant pigments found almost exclusively in the family Centrospermae, for example, betamin. ... (05 Mar 2000) ... 
Type: Term Pronunciation: bā′tă-lāns Definitions: 1. A group of plant pigments found almost exclusively in the family Centrospermae, betanin. There are two groups: betacyanines (in red-violet plants) and betaxanthins (in yellow plants).