Table 1.
Element | AS (n = 19) | LS (n = 24) | MTFG (n = 44) | p-Value | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Min | Max | Mean | SD | Min | Max | Mean | SD | Min | Max | Mean | SD | ||
Al b | 270 | 540 | 371 | 72 | 240 | 530 | 416 | 78 | 200 | 630 | 420 | 100 | 0.126 c |
As b | 0.073 | 0.221 | 0.128 | 0.039 | 0.020 | 0.112 | 0.050 | 0.024 | 0.028 | 0.099 | 0.059 | 0.018 | 0.000 d |
Ba b | 7.3 | 31.2 | 12.7 | 5.6 | 7.4 | 19.7 | 12.8 | 3.5 | 2.7 | 28.4 | 9.7 | 5.1 | 0.018 d |
Bi b | 0.006 | 0.022 | 0.013 | 0.004 | 0.002 | 0.010 | 0.005 | 0.002 | 0.002 | 0.013 | 0.006 | 0.002 | 0.000 d |
Ca b | 0.29 | 0.52 | 0.39 | 0.07 | 0.20 | 0.31 | 0.25 | 0.03 | 0.22 | 0.42 | 0.31 | 0.05 | 0.000 d |
Cd b | 0.028 | 0.088 | 0.051 | 0.019 | 0.016 | 0.243 | 0.053 | 0.046 | 0.022 | 0.180 | 0.081 | 0.034 | 0.001 d |
Ce b | 0.071 | 0.345 | 0.156 | 0.082 | 0.037 | 0.162 | 0.096 | 0.038 | 0.047 | 0.828 | 0.215 | 0.163 | 0.001 d |
Co b | 0.068 | 1.530 | 0.419 | 0.443 | 0.065 | 0.676 | 0.320 | 0.171 | 0.152 | 2.610 | 0.628 | 0.530 | 0.019 d |
Cr b | 0.49 | 1.85 | 0.91 | 0.35 | 0.13 | 0.73 | 0.41 | 0.19 | 0.19 | 1.16 | 0.53 | 0.25 | 0.000 d |
Cs b | 0.090 | 1.740 | 0.480 | 0.438 | 0.052 | 0.592 | 0.220 | 0.148 | 0.018 | 0.752 | 0.162 | 0.179 | 0.000 d |
Cu b | 15.10 | 26.10 | 18.50 | 2.55 | 10.80 | 24.10 | 17.28 | 3.36 | 11.40 | 22.10 | 16.94 | 2.35 | 0.115 c |
Dy a | 4.5 | 23.9 | 10.2 | 5.6 | 1.9 | 22.6 | 6.0 | 4.5 | 3.0 | 24.5 | 9.7 | 5.4 | 0.011 d |
Er a | 2.4 | 17.8 | 5.8 | 3.5 | 0.8 | 13.9 | 3.1 | 3.2 | 1.3 | 17.6 | 5.2 | 3.6 | 0.028 d |
Fe b | 57 | 275 | 115 | 50 | 66 | 189 | 111 | 28 | 83 | 173 | 114 | 20 | 0.934 c |
Gd a | 5.0 | 35.7 | 12.4 | 7.7 | 2.1 | 28.5 | 8.2 | 6.2 | 4.3 | 27.9 | 12.0 | 6.8 | 0.065 c |
Ho a | 0.8 | 6.4 | 2.0 | 1.4 | 0.1 | 4.9 | 1.1 | 1.0 | 0.4 | 4.9 | 1.8 | 1.1 | 0.025 d |
K b | 1.38 | 2.29 | 1.63 | 0.21 | 1.63 | 2.23 | 1.94 | 0.17 | 1.72 | 2.39 | 2.06 | 0.16 | 0.000 d |
La b | 0.036 | 0.181 | 0.079 | 0.044 | 0.016 | 0.178 | 0.059 | 0.039 | 0.029 | 0.295 | 0.100 | 0.070 | 0.021 d |
Li b | 0.05 | 0.22 | 0.10 | 0.04 | 0.02 | 0.13 | 0.06 | 0.03 | 0.04 | 0.17 | 0.08 | 0.03 | 0.001 d |
Mg b | 0.15 | 0.28 | 0.19 | 0.03 | 0.15 | 0.23 | 0.19 | 0.02 | 0.15 | 0.24 | 0.20 | 0.02 | 0.185 c |
Mn b | 159 | 2050 | 921 | 570 | 273 | 1555 | 743 | 331 | 205 | 2290 | 836 | 450 | 0.436 c |
Na b | 20 | 70 | 47 | 13 | 30 | 100 | 73 | 19 | 30 | 80 | 52 | 15 | 0.000 d |
Nb a | 2.6 | 12.2 | 5.3 | 2.3 | 0.5 | 5.4 | 2.6 | 1.3 | 1.3 | 7.8 | 3.6 | 1.5 | 0.000 d |
Nd b | 0.022 | 0.149 | 0.057 | 0.034 | 0.009 | 0.122 | 0.041 | 0.029 | 0.021 | 0.188 | 0.067 | 0.043 | 0.027 d |
Ni b | 11.55 | 34.50 | 18.78 | 6.28 | 5.55 | 19.65 | 11.58 | 4.03 | 6.63 | 33.00 | 13.24 | 4.88 | 0.000 d |
P b | 0.476 | 0.620 | 0.541 | 0.040 | 0.406 | 0.551 | 0.482 | 0.042 | 0.427 | 0.639 | 0.559 | 0.049 | 0.000 d |
Pb b | 0.413 | 0.937 | 0.574 | 0.153 | 0.106 | 0.476 | 0.268 | 0.092 | 0.093 | 0.463 | 0.218 | 0.073 | 0.000 d |
Pr b | 0.006 | 0.037 | 0.015 | 0.008 | 0.003 | 0.035 | 0.011 | 0.008 | 0.006 | 0.053 | 0.019 | 0.012 | 0.019 d |
Rb b | 16.7 | 83.0 | 53.0 | 19.0 | 21.7 | 135.0 | 66.8 | 25.2 | 16.7 | 161.0 | 53.0 | 31.3 | 0.116 c |
S b | 0.271 | 0.390 | 0.322 | 0.029 | 0.252 | 0.316 | 0.289 | 0.017 | 0.282 | 0.383 | 0.333 | 0.024 | 0.000 d |
Sb b | 0.021 | 0.070 | 0.038 | 0.010 | 0.022 | 0.071 | 0.045 | 0.014 | 0.009 | 0.032 | 0.019 | 0.006 | 0.000 d |
Se b | 0.07 | 0.18 | 0.11 | 0.03 | 0.04 | 0.17 | 0.09 | 0.03 | 0.05 | 0.21 | 0.11 | 0.04 | 0.114 c |
Sm b | 0.003 | 0.034 | 0.011 | 0.007 | 0.002 | 0.025 | 0.008 | 0.006 | 0.003 | 0.040 | 0.013 | 0.009 | 0.054 c |
Sr b | 5.28 | 12.85 | 7.89 | 2.23 | 2.51 | 11.15 | 5.88 | 1.81 | 3.30 | 18.60 | 6.92 | 3.21 | 0.055 c |
Th b | 0.003 | 0.037 | 0.008 | 0.007 | 0.002 | 0.010 | 0.005 | 0.002 | 0.002 | 0.012 | 0.006 | 0.002 | 0.006 d |
Tl b | 0.009 | 0.044 | 0.024 | 0.012 | 0.003 | 0.030 | 0.012 | 0.006 | 0.004 | 0.139 | 0.021 | 0.022 | 0.058 c |
U a | 2.8 | 8.6 | 4.8 | 1.5 | 1.0 | 4.3 | 2.3 | 0.7 | 1.8 | 6.6 | 4.4 | 1.2 | 0.000 d |
W b | 0.010 | 0.235 | 0.060 | 0.069 | 0.007 | 0.193 | 0.033 | 0.037 | 0.011 | 0.096 | 0.033 | 0.018 | 0.033 d |
Y b | 0.033 | 0.191 | 0.074 | 0.045 | 0.008 | 0.113 | 0.032 | 0.024 | 0.024 | 0.174 | 0.067 | 0.033 | 0.000 d |
Zn b | 43.8 | 62.2 | 52.4 | 5.0 | 41.1 | 59.8 | 48.3 | 5.5 | 40.6 | 75.7 | 50.9 | 6.0 | 0.058 c |
a The unit for the element concentrations was µg·kg−1. b The unit for the element concentrations was mg·kg−1. c There is no significant difference for the element concentrations among the three regions (p > 0.05). d There is significant difference for the element concentrations among the three regions (p < 0.05). The units of Ca, K, Mg, P, and S were %. Data were expressed on the basis of a dry weight (DW) of tea leaves.