Table 1.

Water-soluble mixtures of l-amino acids

Mixture	Amino acids
LCN	proline, valine, leucine, isoleucine, methionine
SCN	glycine, alanine, serine, threonine, cysteine, asparagine, glutamine
BAS	arginine, lysine, histidine
ACID	glutamate, aspartate
AROM	tryptophan, phenylalanine
AA	LCN, SCN, BAS, ACID and AROM

Mixtures of L-amino acids following Caprio & byrd, (1984): LCN, long chain neutral amino acids; SCN, short chain neutral amino acids; BAS, basic amino acids; ACID, acidic amino acids and AROM, aromatic amino acids.