Compounds derived from TYROSINE via betalamic acid, including BETAXANTHINS and BETACYANINS. They are found in the Caryophyllales order of PLANTS and some BASIDIOMYCETES.
Betaxanthins
Conjugates of betalamic acid with AMINO ACIDS. Some of them are yellow COLORING AGENTS in the Caryophyllales order of PLANTS. This should not be confused with xanthin which is a term used for CAROTENES nor with XANTHINES.