Table 2.

Arterial Concentrations of Individual, Branched Chain, and Total Amino Acids During Basal and Hyperinsulinemic State

Variable	Basal	Insulin Clamp (90 to 120 min)
Leucine	79.2 ± 15	35.3 ± 13*
Phenylalanine	45 ± 10	30 ± 8*
Alanine	214 ± 50	152 ± 24*
Arginine	60 ± 16	40 ± 13*
Asparagine	25 ± 5	16 ± 3*
Citrulline	29 ± 5	20 ± 5*
Cysteine	66 ± 18	64 ± 18†
Glutamine	472 ± 73	373 ± 55
Glutamic acid	63 ± 29	44 ± 21*
Glycine	206 ± 77	155 ± 53*
Histidine	58 ± 9	45 ± 6*
Isoleucine	46 ± 10	18 ± 9*
Lysine	107 ± 24	80 ± 19*
Methionine	17 ± 9	10 ± 11*
Proline	190 ± 47	127 ± 30*
Serine	55 ± 11	35 ± 8*
Taurine	38 ± 17	29 ± 19*
Threonine	117 ± 19	79 ± 19*
Tryptophan	10 ± 3	8 ± 4†
Tyrosine	33 ± 11	18 ± 8*
Valine	135 ± 22	90 ± 22*
BCAAs	260 ± 43	144 ± 40*
TAAs	2291 ± 310	1643 ± 245*

BCAAs, branched chain amino acids; TAAs, total amino acids.

Values (in μmol/L) are presented mean ± SD.

^*Significance from basal values at P < .01.

^†Significance from basal values P < .05.