Fig. 3

Trend analysis of concentration change of twelve minerals and trace elements in serum, feces, urine and liver between three groups. *: P<0.05 LZG vs NZG and PZG. The red arrow represents a significant increase: ↑,LZG vs. NZG; the blue arrow represents a significant decrease: ↓,LZG vs. NZG. Gray: first found in zinc deficient rats