Table 1. Measured Influx Values.

Metabolite Influx	In vivo * (PV+HA)	Perfusion**
Albumin (g/min/g liver)	0.02–0.05	0.00
Lactate (mmol/min/g liver)	0.03–0.1	0.00
Glucose (mg/min/g liver)	1.13–2.5	3.68
Alanine (umol/min/g liver)	0.36–0.92	1.86
Ammonia (umol/min/g liver)	0.11–0.2	0.00
Arginine (umol/min/g liver)	0–0.5	0.53
Asparagine (umol/min/g liver)	0.04–0.12	0.28
Aspartate (umol/min/g liver)	0.02–0.04	0.41
Cysteine (umol/min/g liver)	0.01–0.03	0.61
Glutamate (umol/min/g liver)	0.07–0.15	0.56
Glutamine (umol/min/g liver)	0.28–0.68	3.64
Glycine (umol/min/g liver)	0.26–0.6	1.23
Histidine (umol/min/g liver)	0.1–0.35	0.18
Isoleucine (umol/min/g liver)	0.07–0.23	0.70
Leucine (umol/min/g liver)	0.21–0.66	1.05
Lysine (umol/min/g liver)	0.18–0.54	1.10
Methionine (umol/min/g liver)	0.04–0.1	0.18
Ornithine (umol/min/g liver)	0.11–0.28	0.00
Phenylalanine (umol/min/g liver)	0.05–0.13	0.28
Proline (umol/min/g liver)	0.16–0.36	0.48
Serine (umol/min/g liver)	0.17–0.48	0.18
Threonine (umol/min/g liver)	0.19–0.47	0.62
Tyrosine (umol/min/g liver)	0.05–0.17	0.51
Valine (umol/min/g liver)	0.12–0.43	0.79

^* In vivo influx is the combined portal vein (PV) and hepatic artery (HA) contribution to that flux.

^**Perfusate influx is calculated according to the initial perfusate concentrations and a flow rate of 1.8 ml/min/g liver.