Table 3.

AST, ALT and ALP serum levels in control, ethanol and d-limonene-treated rats after 45 days of treatment.

Enzyme (UI/L)	Group
	II	III	IV	V
AST	168.6 ± 15.8	171.2 ± 8.7	150.2 ± 10.4	147.2 ± 11.4
ALT	66.7 ± 4.5	65.1 ± 3.7	63.2 ± 3.7	50.8 ± 3.0*
ALP	153.1 ± 20.7	123.1 ± 5.4	118.7 ± 8.5	104.5 ± 11.5

Data expressed by mean ± standard error (S.E.M).

^*P < 0.05, Tukey's test II – control (tween-80), III – 20% ethanol, IV – 25 mg/kg, and V – 75 mg/kg.