Table 4.

Concentration of intramuscular free phenylalanine and threonine and Q/T

	Concentration, nmol/mg wet tissue
	MIF pool		Q/T
	Phe	Thr	Phe	Thr
Pre	0.137 ± 0.035	0.189 ± 0.013	544 ± 66	364 ± 24
5 Min	0.481 ± 0.064	0.185 ± 0.013	142 ± 19	374 ± 30
30 Min	0.394 ± 0.048	0.177 ± 0.013	168 ± 22	395 ± 34
60 Min	0.298 ± 0.029	0.179 ± 0.011	208 ± 20	377 ± 19

Data are means ± SE. Q/T, free-to-bound ratio. The Q/T was calculated using protein-bound Phe and Thr content in tissue samples of individual rabbits. The average contents were 59.3 ± 2.6 and 66.4 ± 2.4 nmol/mg wet tissue for Phe and Thr, respectively.