Abstract
Tyrosinase, often recognized as polyphenol oxidase, plays a pivotal role as an enzyme in catalyzing the formation of melanin-a complex process involving the oxidation of monophenols and o-diphenols. Tyrosinase functions as a monooxygenase, facilitating the o-hydroxylation of monophenols to generate the corresponding catechols, as well as catalyzing the oxidation of monophenols to form the corresponding o-quinones, exhibiting diphenolase or catecholase activity. This versatile enzymatic capability is not limited to specific organisms but is found across various sources, including bacteria, fungi, plants, and mammals. Pertinent research articles, reviews, and patents on tyrosinase were gathered through a comprehensive literature search. These materials were analyzed to gain insights into the diverse applications of tyrosinase. The review was structured by categorizing these applications and offering a thorough summary of the current state of knowledge in the field. Based on the literature survey, tyrosinase exhibits promising potential across a spectrum of biotechnological applications. These include but are not limited to: synthesizing L-DOPA, creating innovative mixed melanins, manufacturing phenolic biosensors, deploying in food and feed industries, facilitating protein cross-linking, eliminating phenols and dyes, and serving as a biocatalyst. Moreover, immobilized tyrosinase demonstrates multiple utility avenues within the pharmaceutical sector. The article offers a comprehensive exploration of tyrosinase, encompassing its structural features, evolutionary origins, biochemical characteristics, and contemporary applications in various fields.
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