Table 1.

The feeding regimen, NAC and pterostilbene (PT) administration and application procedure of female C57BL/6 groups for the epicutaneous test.

Group	Feeding Regimen and Antioxidants Administration	Application Procedure	Epicutaneous Test
A (Control)	Normal diet	Injected with saline	21 days after injection treatment
B (K2Cr2O7)	Normal diet and continually gave 5% β-Cyclodextrin (200 μL/day) by gavage until the end of the experiment	Injected with K2Cr2O7 in FCA emulsion	21 days after injection treatment
C (NAC)	NAC 1200 mg/kg/day for 2 weeks, and then fed with the same dosage for a further 3 weeks after injection treatment	Injected with K2Cr2O7 in FCA emulsion	21 days after injection treatment
D (PT)	PT 500 mg/kg/day for 2 weeks, and then fed with the same dosage for a further 3 weeks after injection treatment	Injected with K2Cr2O7 in FCA emulsion	21 days after injection treatment