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.
the natural betaxanthinacs.confex.com
betaxanthins [e.g. 1])oasys2.confex.com
model betaxanthin becausewww.nature.com
(8) and betaxanthin (9).pubs.rsc.org