Effects of frying oil and Houttuynia cordata thunb on xenobiotic-metabolizing enzyme system of rodents

Table 1 Composition of diets tested.

Component	Diet
	F0	F20	F50	O0	O20	O50
			g/kg diet
Cornstarch	449.5	442.5	431.6	449.5	442.5	431.6
Casein	200	195.4	188.6	200	195.4	188.6
Sucrose	100	100	100	100	100	100
Fresh oil	150	150	150
OFO1				150	150	150
Fiber	50	41.6	29.3	50	41.6	29.3
Minerals2	35	35	35	35	35	35
Vitamins3	10	10	10	10	10	10
L-Cysteine	3	3	3	3	3	3
Choline	2.5	2.5	2.5	2.5	2.5	2.5
Tert-butyl- hydroquinone	0.014	0.014	0.014	0.014	0.014	0.014
H. cordata powder	0	20	50	0	20	20

¹OFO: oxidized frying oil;

²AIN-93 mineral mixture;

³AIN-93 vitamin mixture.