It has been reported in literature that Z. mobilis has two types of alcohol dehydrogenase gene (ADH), one is Zinc inducible, and another is Iron (Ferrous) inducible. Therefore, it was attempted to increase the alcohol production by inducing the alcohol dehydrogenase activity by addition of Zinc ions. It was standardized that 10 mM Zinc sulphate addition to alcohol producing broth resulted in ma...