Table 5.

Metal content of the bioavailable fraction of product 1, product 2, product 3 and collagen.

Sample	As (μg/Kg)	Cd (μg/Kg)	Hg (μg/Kg)	Pb (μg/Kg)
Basal product 1	0.41 ± 0.03	<0.20	<0.00	<0.00
Basal product 2	<0.25	<0.20	<0.00	<0.00
Basal product 3	<0.25	<0.20	0.18 ± 0.07	<0.00
Basal collagen	<0.25	<0.20	<0.00	<0.00