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

Table 5 Activity of EROD and PROD from the liver of Sprague- Dawley rats fed with the fresh/oxidized frying oil and 0%, 2% and 5% H· cordata thunb powder diets for 4 wk (mean±SD, n = 8).

Group	EROD (pmol/min/mg protein)	PROD (pmol/min/mg protein)
F0	55.61±5.121	8.32±4.111
F20	52.14±3.201	6.12±1.251
F50	52.46±4.581	5.98±1.541
O0	88.62±5.263	25.39±3.59
O20	78.23±4.412	20.12±2.18
O50	75.26±5.892	21.33±2.66
ANOVA4
Dose	NS5	NS
Oil	P<0.05	P<0.05
Dose×Oil	NS	NS

¹Mean values significantly differ between the two oil groups (P<0.05). ^2,3Means not sharing common superscript letters significantly differ from one another by Duncan’s multiple range test for the same oil group (P<0.05).

⁴Analyzed by a two-way ANOVA.

⁵NS: No significance.