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Table 1 Concentration of α-AI1 in seed protein extracts from three different transgenic coffee plants and H. hampei α-amylase inhibition level using α-AI1 expressed in these coffee plants.

From: α-Amylase inhibitor-1 gene from Phaseolus vulgaris expressed in Coffea arabicaplants inhibits α-amylases from the coffee berry borer pest

 

α-AI1 concentration (%)

Inhibition of H. hampei α-amylase

Plant 1

0.14 ± 0.03%

54.38 ± 20.13%

Plant 2

0.29 ± 0.02%

88.86 ± 14.34%

Plant 3

0.03 ± 0.01%

20.61 ± 13.22%

Negative plant

0.02 ± 0.01%

0.94 ± 12.32%

  1. One unit of H. hampei α-amylase activity was utilised in the inhibition assay.