Cold-active enzymes and their anticipated application in various industries including food industry attracted attention of worldwide scientific community. Cold-active enzymes, also known as psychrophilic enzymes, possess high catalytic activity at low and moderate temperatures. Due to low temperature activity, these enzymes utilize less energy in a biochemical reactions and also stabilize fragile compounds in the reaction medium. The source of cold-active enzymes are basically psychrophilic/psychrotrophic microorganisms which is found in cold environments. In comparison to mesophilic and thermophilic enzymes, till date very few cold-active enzymes are known and least explored so far in food industry. This review contains latest development and innovation in cold-active enzymes along with their applications in food biotechnology.
Key words: Cold-active enzymes, food enzymes, psychrophiles, cold-adaptation, biocatalyst
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