Production of Fungal Amylases Using Cheap, Readily Available Agriresidues, for Potential Application in Textile Industry

Table 7

Effect of nitrogen sources on amylase production and supernatant protein concentration.

Complex nitrogen source (1% w/v)	Amylase activity (U/mL)	Protein concentration (mg/mL)
Ammonium nitrate	327.9±1.1	8.0±0.13
Peptone	299.1±2.1	7.7±1.09
Beef extract	341.6±1.5	9.3±0.27
Yeast extract	277.5±1.3	6.9±0.42
Tryptone	258.5±0.7	6.4±0.44

±: standard deviation from the mean.
Fermentation conditions: incubation period, days = 6; temperature °C = 35; pH = 6.0.
Assay conditions: incubation time, minutes = 30; temperature °C = 40; pH = 6.0.