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Table 1 Effect of copper ion concentration on laccase production

From: Optimization of different culture conditions for enhanced laccase production and its purification from Tricholoma giganteum AGHP

Copper ion (mM) Laccase (U/g of dry substrate) Yield index
Control 135100 ± 2049.93 1
0.05 39900 ± 857.64 0.29
0.1 71883 ± 1714.25 0.53
0.2 239433 ± 1755.90 1.77
0.3 290777 ± 2225.15 2.15
0.4 169551 ± 2125.01 1.25
0.5 158412 ± 2154.05 1.17
1 144569 ± 2382.51 1.07
1.5 121562 ± 1952.23 0.9
2 118778 ± 1710.30 0.88
2.5 117414 ± 2563.78 0.87
3 116111 ± 2339.71 0.86
  1. Values are the average of three experiments and standard deviations are less than 5 % of the mean