Production, Purification, and Characterization of Thermostable α-Amylase Produced by Bacillus licheniformis Isolate AI20

Table 5

Effect of different solvents and other chemicals on the purified α-amylase enzyme activity produced by Bacillus licheniformis AI20.

Treatment	Residual 𝛼-amylase activity (%)
	at 1%	at 10%	at 20%
Control	100	100	100
Ethanol	100	98.36	91.19
Methanol	96.44	95.34	93.24
Isopropanol	100	100	90
Acetone	100	97	97
Glycerol	100	100	99.47