Industrial applications of enzymes
Enzymes are widely used in food,
pharmaceutical and chemical industries. Bacterial enzymes are used for the
fermentation of food items. For example,
a. Making of curd from milk by lactobacillus acidophilus.
b. Producing yoghurt and cheese from milk by streptococcus thermophilus.
c. Fermenting rice and blackgram by leucanostoc
mesenteroides for preparing delicious idlies.
d. In washing powders enzymes are incorporated to
remove stains from clothes.
e. Fructose syrup is produced by the isomerization of
glucose by glucose isomerase.
f. Penicillin acylase is used to convert penicillin to
g. Glucose and galactose are produced from the
discarded portion during cheese making by lactase enzyme
h. Enzymes are used for desizing fabrics. This kind of
enzymatic desizing does not weaken the fabrics.
i. In the manufacture of leather, the hide is made
free from hair. This is done by employing pancreatic enzymes.
j. Pepsin is used to digest gelatin in the process of
recovering silver from photographic films.