in this study. Hence different nitrogen source is used and
yeast show high protein content of 1.9 U/mg and maximum
enzyme activity of 281 U/ml (Fig. 2b). Similar results were
obtained by in the production of amylase by Bacillus marini.21
In this study amino acid cysteine was found to be the better
source for enhanced production. The high protein content of
0.72 U/mg and maximum enzyme activity of 222 U/ml was
observed in the presence of cysteine (Fig. 2c). Our results are
contradictory to previously reported13 where aspartic acid
showed higher amylase production.