Amino acids undergo distinct chemical reactions driven by their carboxyl and amino functional groups, forming salts with bases or acids, esters with alcohols, amides via ammonia reaction, and participating in decarboxylation to generate biogenic amines. Specific identification protocols utilize colorimetric assays such as the Ninhydrin test for alpha-amino acids, Xanthoproteic tests for aromatic residues, and Hopkins-Cole or Sakaguchi reactions to detect specific indole or guanidino groups within proteins. Theoretical mechanisms like transamination facilitate nitrogen group transfer between keto and amino acids, serving essential roles in non-essential amino acid synthesis and the hepatic detoxification of ammonia via urea cycle integration.
Amino acids undergo distinct chemical reactions driven by their carboxyl and amino functional groups, forming salts with bases or acids, esters with alcohols, amides via ammonia reaction, and partici…