Determination of Geographical Origin of Wuchang Rice with the Geographical Indicator by Multielement Analysis

Table 3

Elements for all rice samples harvested in the year of 2013 and 2014 among three different regions (µg·g⁻¹).

	Region
	Wuchang	Qiqihar	Jiamusi
2013
Na	18.9 ± 3.67b	13.1 ± 2.80c	22.1 ± 6.01a
Mg	188 ± 37.1c	345 ± 55.9b	399 ± 75.3a
Al	16.7 ± 2.09a	12.0 ± 6.89ab	8.33 ± 2.21b
K	733 ± 90.1c	909 ± 103b	1.03 ± 0.174E3a
Ca	104 ± 27.6b	74.0 ± 14.8c	123 ± 44.2a
V	0.0244 ± 0.00695b	0.0299 ± 0.00595a	0.0249 ± 0.00530b
Mn	13.2 ± 1.74a	8.67 ± 1.98c	10.3 ± 2.99b
Fe	9.21 ± 3.18	12.5 ± 11.9	12.0 ± 4.10
Co	0.00820 ± 0.00443b	0.00785 ± 0.00297b	0.0149 ± 0.00695a
Cu	1.85 ± 0.291	2.36 ± 2.23	2.25 ± 0.833
Zn	12.0 ± 0.950c	13.6 ± 2.11b	16.4 ± 3.32a
As	0.148 ± 0.0623	0.137 ± 0.0848	0.184 ± 0.110
Rb	1.713 ± 0.855a	0.680 ± 0.258b	1.742 ± 0.969a
Sr	0.152 ± 0.046b	0.154 ± 0.039b	0.235 ± 0.104a
Cd	0.00760 ± 0.00473	0.0123 ± 0.0377	0.0132 ± 0.0171
Pb	0.0313 ± 0.0119	0.0371 ± 0.0525	0.0485 ± 0.0153
2014
Na	4.73 ± 2.33a	3.71 ± 1.78b	5.08 ± 1.75a
Mg	216 ± 49.0b	319 ± 30.0a	324 ± 47.8a
Al	38.6 ± 29.0a	14.8 ± 11.7b	20.4 ± 21.4b
K	653 ± 96.7b	817 ± 55.8a	831 ± 79.6a
Ca	84.4 ± 15.5	70.8 ± 12.6	85.2 ± 43.2
V	0.0165 ± 0.00765a	0.0124 ± 0.00374b	0.0171 ± 0.00606a
Mn	15.5 ± 3.29a	9.21 ± 2.00b	8.17 ± 2.05b
Fe	5.80 ± 4.22	6.74 ± 3.37	6.07 ± 2.30
Co	0.00437 ± 0.00214b	0.00541 ± 0.00179b	0.00854 ± 0.00287a
Cu	2.43 ± 0.679a	2.19 ± 0.726ab	1.90 ± 0.552b
Zn	13.2 ± 1.42b	13.9 ± 1.68ab	14.2 ± 1.75a
As	0.127 ± 0.0544ab	0.108 ± 0.0397b	0.140 ± 0.0270a
Rb	1.55 ± 0.764a	0.524 ± 0.185b	0.755 ± 0.346b
Sr	0.151 ± 0.165	0.113 ± 0.0185	0.143 ± 0.071
Cd	0.0223 ± 0.0219a	0.0632 ± 0.0295b	0.0712 ± 0.0148b
Pb	0.0308 ± 0.0442	0.0164 ± 0.0105	0.0248 ± 0.0310

Different letters in rows are statistically significantly different at .