Table 4. Pyrrole adducts concentration in hair on the endpoint.

	2,5-HD model (nmol/g.pro)	n-hexane model (nmol/g.pro)
Control	33.8 ± 20.8	42.9 ± 19.9
Low dosage	299.4 ± 96.6**	320.9 ± 114.1**
Middle dosage	386.9 ± 81.3**	430.2 ± 149.2**
High dosage	494.4 ± 61.6**	571.4 ± 165.8**

Compared with control group,

^**P<0.01.