Classification of Vietnamese Cashew Nut (Anacardium occidentale L.) Products Using Statistical Algorithms Based on ICP/MS Data: A Study of Food Categorization
Table 1
Element concentration (μg/kg DW) of 21 elements in cashew nuts from 5 brands (confidence level of 95%).
Nha Le
Jrai Farm
VinaNuts
Hanfimex
Hong Loi Thinh
7Li
0.86 ± 0.02
0.95 ± 0.03
0.82 ± 0.02
0.73 ± 0.02
0.79 ± 0.02
11B
11.0 ± 0.3
11.4 ± 0.3
12.8 ± 0.4
10.8 ± 0.3
11.4 ± 0.3
24Mg
6300 ± 200
6500 ± 200
6700 ± 200
6000 ± 200
7000 ± 200
27Al
26.4 ± 0.7
70 ± 2
36 ± 1
39 ± 1
46 ± 1
44Ca
229 ± 7
400 ± 10
420 ± 10
293 ± 9
320 ± 10
48Ti
1.62 ± 0.05
2.99 ± 0.09
2.15 ± 0.06
3.6 ± 0.1
1.44 ± 0.04
51V
0.55 ± 0.02
0.76 ± 0.02
0.52 ± 0.01
0.55 ± 0.01
0.51 ± 0.01
52Cr
16.8 ± 0.5
74 ± 2
17.9 ± 0.5
25.0 ± 0.7
11.5 ± 0.4
55Mn
49 ± 1
59 ± 2
55 ± 1
48 ± 1
55 ± 2
57Fe
320 ± 9
770 ± 20
267 ± 7
217 ± 6
243 ± 7
60Ni
34 ± 1
23.2 ± 0.7
27.5 ± 0.8
25.5 ± 0.8
18.2 ± 0.6
63Cu
49 ± 1
47 ± 1
43 ± 1
47 ± 1
50 ± 1
66Zn
162 ± 5
145 ± 4
160 ± 4
161 ± 5
144 ± 4
93Nb
<LOD
0.110 ± 0.003
<LOD
<LOD
0.160 ± 0.005
98Mo
0.72 ± 0.02
0.76 ± 0.02
0.42 ± 0.01
0.65 ± 0.02
0.71 ± 0.02
111Cd
0.41 ± 0.01
0.45 ± 0.01
0.43 ± 0.01
0.42 ± 0.01
0.41 ± 0.01
115In
0.57 ± 0.01
0.57 ± 0.02
0.58 ± 0.02
0.57 ± 0.02
0.57 ± 0.02
121Sb
0.18 ± 0.01
0.160 ± 0.005
0.120 ± 0.003
0.34 ± 0.01
0.41 ± 0.01
138Ba
4.1 ± 0.1
3.7 ± 0.1
3.6 ± 0.1
5.1 ± 0.1
4.4 ± 0.1
208Pb
3.12 ± 0.09
6.5 ± 0.2
3.25 ± 0.09
3.5 ± 0.1
3.7 ± 0.1
209Bi
1.78 ± 0.06
1.79 ± 0.05
1.76 ± 0.05
1.77 ± 0.06
1.77 ± 0.05
LOD: limit of detection (3 × standard deviation = 0.003 μg/kg).
