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Table 3 Content of elements in different blueberry samples in mg/kg (mean ± SD, n = 3)

From: Mineral Composition of Wild and Cultivated Blueberries

Sample Al Ca Cd Cr Cu Fe K
W1 14.8 ± 0.55a 185 ± 9.7a 0.004 ± 0.0003a 0.039 ± 0.002a 0.31 ± 0.017a 8.38 ± 0.33a 880 ± 27a
W2 12.4 ± 0.60b 164 ± 7.9b 0.002 ± 0.0001b 0.174 ± 0.008b 0.26 ± 0.012b 7.82 ± 0.39a 1036 ± 51b
W3 15.1 ± 0.67a 203 ± 8.9ac 0.001 ± 0.0005c 0.023 ± 0.001c 0.24 ± 0.013c 5.31 ± 0.25b 1090 ± 52b
W4 16.3 ± 0.73a 192 ± 8.7ac 0.003 ± 0.0001d 0.084 ± 0.004d 0.41 ± 0.016d 12.7 ± 0.64c 1105 ± 53b
C1 13.3 ± 0.91 112 ± 5.1d 0.013 ± 0.0006e 0.033 ± 0.006e 0.28 ± 0.011abce 5.44 ± 0.27d 825 ± 15a
C2 17.9 ± 0.80 162 ± 6.1b 0.040 ± 0.0015f 0.014 ± 0.001e 0.32 ± 0.014ae 10.7 ± 0.52d 1031 ± 28b
  Mg Mn Na Ni Pb Zn  
W1 84.2 ± 6.92a 17.1 ± 1.03a 52.7 ± 1.93a 0.263 ± 0.019a 0.556 ± 0.063a 6.07 ± 0.75a  
W2 75.1 ± 3.09a 5.82 ± 0.16b 54.0 ± 1.78a 0.254 ± 0.012a 0.373 ± 0.018b 5.26 ± 0.26ab  
W3 96.9 ± 2.11b 29.0 ± 1.35c 54.9 ± 2.03a 0.252 ± 0.011a 0.266 ± 0.013b 4.22 ± 0.17bcd  
W4 90.1 ± 3.42b 18.5 ± 0.88a 61.6 ± 2.97b 0.312 ± 0.015b 0.396 ± 0.018ab 3.83 ± 0.15c  
C1 51.4 ± 2.60c 4.47 ± 0.13d 48.1 ± 2.12c 0.170 ± 0.008a 0.276 ± 0.014b 2.95 ± 0.15ce  
C2 48.1 ± 2.07c 2.94 ± 0.015e 49.2 ± 2.63c 0.299 ± 0.015a 0.315 ± 0.015b 3.79 ± 0.19cd  
  1. Values followed by the same letters in each column (a, b, c, d) have no significant difference (Tukey’s test, p > 0.05).
  2. W stands for wild blueberry and C stands for cultivated American blueberry (see experimental).