Abstract
Chicken egg shell and membrane were used as substrate for production of alkaline protease by Bacillus altitudinis GVC11. Maltose as additional carbon source enhanced enzyme production up to 13%. Addition of organic nitrogen sources like peptone and yeast extract increased enzyme production by 9% and 5%, respectively and inorganic nitrogen sources did not have any positive effect. The resultant protein hydrolyzate after fermentation was found to have essential amino acids such as leucine, phenyl alanine, isoleucine, lysine, valine, methionine, arginine in considerable quantities and minute concentrations of cysteine. The protein hydrolyzate was also found to have good antioxidant activity.
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