Table 3.

Recovery studies of 4 samples at 3 levels by ELISA.

Samples	Fortification level	Results (n = 3)
	(μg/kg)	Mean ± S.D. (μg/kg−1)	Recovery (%)	CV (%)
Chicken muscle	0.5	0.37 ± 0.03	73.33	8.33
	2.0	1.41 ± 0.14	70.33	9.68
	8.0	6.43 ± 0.06	80.42	0.89
Pig muscle	0.5	0.38 ± 0.04	76.73	10.23
	2.0	1.41 ± 0.11	70.60	7.66
	8.0	5.7 ± 0.26	71.25	4.64
Pig liver	1.0	0.68 ± 0.06	67.67	9.50
	2.0	1.33 ± 0.15	66.67	11.36
	5.0	3.07 ± 0.20	61.33	6.59
Pettitoes	0.5	0.41 ± 0.03	81.33	8.19
	2.0	1.55 ± 0.08	77.33	5.22
	8.0	6.13 ± 0.45	76.67	7.42