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,
BAS	Arginine, lysine, histidine
ACID	Glutamate, aspartate
AROM	Tryptophane, phenylalanine
AA	LCN, SCN, BAS, ACID and AROM

Mxtures of L-amino acids following groups established by Caprio & Byrd (1984). LCN, long chain neutral amino acids. SCN, short chain neutral amino acids. BAS, alkline amino acids. ACID, acidic amino acids. AROM, aromatic amino acids.