Identifying the Geographical Origin of Tobacco Leaf by Strontium and Lead Isotopic with Mineral Elemental Fingerprint

Table 1

Mineral element content in the tobacco leaf from different countries (mg/kg).

nation	Statistical indicator	Cu	Zn	Co	Cr	Ni	As	Se	Cd	Pb
Argentina (n = 12)	Ave.	4.64^c	10.31^d	0.32^bc	0.83^a	2.05^b	0.31^ab	0.12^b	0.24^b	0.84^b
	S.D.	1.34	1.69	0.08	0.26	0.36	0.10	0.05	0.20	1.42
	Min.	2.94	8.06	0.21	0.45	1.36	0.20	0.05	0.05	0.00
	Max.	7.74	13.28	0.43	1.28	2.71	0.52	0.19	0.83	4.78
Brazil (n = 10)	Ave.	6.03^bc	18.84^c	0.41^b	0.29^c	0.97^bc	0.08^b	0.09^b	0.39^b	0.09^c
	S.D.	1.35	4.00	0.09	0.08	0.28	0.04	0.04	0.12	0.29
	Min.	3.93	13.42	0.28	0.21	0.61	0.04	0.05	0.22	0.00
	Max.	7.82	24.80	0.58	0.43	1.57	0.17	0.17	0.56	0.92
Zimbabwe (n = 17)	Ave.	10.52^a	28.64^b	0.65^a	0.73^ab	2.14^b	0.11^b	0.25^a	0.10^b	0.70^bc
	S.D.	2.62	5.16	0.27	0.23	0.52	0.05	0.12	0.04	0.57
	Min.	7.23	22.35	0.38	0.36	1.42	0.03	0.11	0.00	0.00
	Max.	16.01	44.20	1.59	1.12	3.08	0.22	0.52	0.15	1.61
United States (n = 6)	Ave.	8.50^ab	40.15^a	0.14^c	0.69^ab	0.78^c	0.11^b	0.14^b	0.50^b	0.30^bc
	S.D.	1.83	1.60	0.09	0.34	0.47	0.06	0.08	0.33	0.27
	Min.	5.24	38.25	0.05	0.36	0.23	0.03	0.05	0.08	0.12
	Max.	10.16	42.37	0.31	1.21	1.31	0.19	0.26	0.78	0.84
Zambia (n = 8)	Ave.	0.79^d	0.00^e	0.36^bc	0.00^d	0.24^c	0.00^b	0.19^ab	0.00^b	0.10^c
	S.D.	1.47	0.00	0.09	0.00	0.22	0.00	0.11	0.00	0.08
	Min.	0.00	0.00	0.26	0.00	0.00	0.00	0.06	0.00	0.00
	Max.	3.53	0.00	0.55	0.00	0.53	0.00	0.36	0.00	0.25
China (n = 28)	Ave.	10.25^a	34.27^ab	0.53^ab	0.58^b	5.27^a	0.75^a	0.25^a	2.91^a	2.60^a
	S.D.	5.42	18.75	0.46	0.54	3.25	1.40	0.21	1.83	1.13
	Min.	2.11	3.16	0.11	0.12	1.95	0.11	0.01	0.64	0.92
	Max.	22.35	77.44	2.12	2.10	15.19	7.68	0.80	8.95	6.08
Total (n = 81)	Ave.	7.89	24.69	0.46	0.56	2.78	0.35	0.19	1.15	1.21
	S.D.	4.76	16.61	0.33	0.43	2.71	0.87	0.15	1.68	1.37
	Min.	0.00	0.00	0.05	0.00	0.00	0.00	0.01	0.00	0.00
	Max.	22.35	77.44	2.12	2.10	15.19	7.68	0.80	8.95	6.08
Significant differencebetween regions difference	value	0.000	0.000	0.006	0.000	0.000	0.069	0.012	0.000	0.000
	F value	13.003	17.759	3.569	7.029	15.080	2.144	3.171	22.032	20.795

Different uppercase characters in each column indicate significantly different mean values according to Duncan test ().