Health Risk Assessment of Heavy Metals in Soils before Rice Sowing and at Harvesting in Southern Jiangsu Province, China

Table 4

Bioavailability of simulated intestinal and gastric stages.

Target	Simulated gastric absorption stage (%)				Simulated intestinal absorption stage (%)
	Cd	Pb	Cu	Zn	Cd	Pb	Cu	Zn
Maximum values	25.15	0.51	7.05	2.15	5.15	0.14	3.87	0.95
Minimum values	20.42	0.39	6.15	1.33	4.35	0.07	2.21	0.28
Average values	22.78	0.45	6.60	1.74	4.75	0.11	3.04	0.62