Table 2. Plasma levels of cytokines and citrulline.

Plasma conc.	Sample size	Ctrl	HS	HS+Sal	HS+LEH
TNF-α (A.U.)	4/group	0.72 ± 0.03	0.96 ± 0.03*	0.88 ± 0.05*	0.68 ± 0.01$Φ
IL-1α (A.U.)	4/group	0.67 ± 0.02	1.09 ± 0.03*	0.97 ± 0.01*$	0.70 ± 0.02$Φ
IL-6 (A.U.)	4/group	0.71 ± 0.00	0.97 ± 0.04*	0.87 ± 0.02*$	0.73 ± 0.01$Φ
IL-22 (pg/ml)	5/group	15 ± 3.33	421.9 ± 63.98*	51.48 ± 12.48$	177.4 ± 56.74$
Citrulline (µg/ml)	4/group	2.36 ± 0.11	3.92 ± 0.11*	2.93 ± 0.22$	3.08 ± 0.17*$

A.U. = Arbitrary units; p < 0.05

^*HS vs HS+Sal,

^$HS+Sal vs. Ctrl,

^ΦHS+LEH vs. HS+Sal