Health Risk Assessment of Metals in Antidiabetic Herbal Preparations: A Safety Screening

Table 7

Cd, Pb, Cr, As, and Zn concentrations of the investigated antidiabetic herbal preparations.

Drug code	Metal concentration (ppm)
	Cd	Pb	Cr	As	Zn
S 1	BDL	BDL	BDL	BDL	0.74 ± 1.1
S 2	BDL	BDL	BDL	BDL	1.03 ± 1.1
S 3	BDL	BDL	BDL	BDL	2.33 ± 1.1
S 4	BDL	BDL	BDL	BDL	BDL
S 5	3.95 ± 0.5	593 ± 8	63.5 ± 2.3	2.09 ± 0.1	1957 ± 27
S 6	1.34 ± 0.4	237 ± 6	19.8 ± 1.7	0.72 ± 0	885 ± 37
S 7	0.33 ± 0.4	128 ± 6	11.9 ± 11.8	0.32 ± 0	4755 ± 79
S 8	7.68 ± 0.6	895 ± 9	101 ± 3	2.09 ± 0	4980 ± 62
S 9	3.88 ± 0.5	16627 ± 169	6.66 ± 2.5	2.05 ± 0	3597 ± 55
S 10	11.4 ± 0.5	2844 ± 36	107 ± 2	6.27 ± 0.2	6507 ± 96
S 11	3.44 ± 0.5	779 ± 8	39.8 ± 2.3	1.95 ± 0.1	5926 ± 103
S 12	0.11 ± 0.5	BDL	3.01 ± 2.4	0.11 ± 0	8978 ± 112
S 13	BDL	3.91 ± 2.2	BDL	0.23 ± 0	45.2 ± 2
S 14	BDL	BDL	BDL	BDL	13.8 ± 1.1
S 15	BDL	BDL	BDL	BDL	36.9 ± 1.1
S 16	BDL	4.54 ± 2.1	BDL	BDL	7.86 ± 1
S 17	BDL	74.9 ± 2.2	4.32 ± 3	0.11 ± 0	239 ± 4
S 18	1.18 ± 0	229 ± 2	9.74 ± 3.3	0.80 ± 0	741 ± 23
S 19	BDL	BDL	21.7 ± 3.1	0.07 ± 0	42.9 ± 1.1
S 20	0.33 ± 0.5	BDL	3.84 ± 2.1	BDL	114 ± 2
S 21	BDL	13.4 ± 2.7	BDL	BDL	46.4 ± 1.3
S 22	0.30 ± 0.3	5.62 ± 2.9	2.42 ± 3.9	BDL	121 ± 3
S 23	BDL	BDL	3.37 ± 2.4	BDL	107 ± 2
S 24	0.13 ± 0.2	BDL	BDL	BDL	BDL
MRL	0.06	0.10	0.05	0.02	15

BDL = detection limit and MRL = maximum residual limit.