Figure 1.
Key steps in the biosynthesis of betalamic acid and betalains. R1 and R2 can be hydroxyl groups with or without sugar derivatives. R3 can be a carboxylic acid group. R4 can be side‐chains of amino acids.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.