Table 1. Effect of subchronic low-dose exposure to NP on the body weight gain from PND 21 to PND 30 in F1 female mice

	CON	NP-50
Initial body weight (g)	10.6±0.2	9.0±0.2***
Terminal body weight (g)	23.2±0.4	23.2±0.3
Increase rate of body weight (%)	218±3	259±5***

p<0.001, significantly different from the control group.