Table 3:

Permissible daily intake limits for the human consumption of the heavy metals according to the Food and Agriculture Organization and World Health Organization and the estimated minimum daily intake of metals in single dose of the tested Afzal

Metal	Permissible daily intake limit* in μg/kg/day	Permissible daily intake limit for a 60 kg individual in μg/day	Estimated daily intake of metals in a Single dose† of tested Afzal per day in μg
			Dry wt.	Wet wt.
Pb	5.0	300.0	3.24	1.56
Cd	0.4–2.0	60.0	3.70	1.78
Cr	0.1	6.0	31.50	15.12
Ni	0.2	12.0	3.1	1.50

wt. = weight; Pb = lead; Cd = cadmium; Cr = chromium; Ni = nickel

^*Source: Joint Food and Agriculture Organization and World Health Organization Expert Committee. Evaluation of certain food additives and contaminants.30

^†For this calculation, a pinch-sized single dose of Afzal was considered to be 2 g.