Table 2.

Average concentrations of key amino acids found in equine erythrocytes (averaged from three horses) and corresponding higher concentrations required for the AA-PBS loading medium for the “liver environment”

Amino acid	Average concentration in horse (µM)	Concentration added to AA-PBS (µM)
GLY	587	869
SER	448	862
VAL	439	854
THR	331	655
PRO	318	652
LYS	303	608
ALA	274	147
ORN	165	234
ASP	123	216
LEU	108	252
HIS	107	220
GLN	79	172
ILE	59	123
PHE	43	85
MET	24	58
TRP	23	33
CTH	0	482