Tyrosinase ( EC 1�14�18�1 ) was a kind of aerobic enzyme with copper, and also known as polyphenol oxidase, it was widely existed in microbes, plants and animals. It had a variety of characteristic catalytic activities and physiological functions, and had received extensive attentions. In this paper, combined with the domestic and international research results in recent years, the research status such as mechanism, preparation and application of tyrosinase was reviewed and its prospective was discussed.%酪氨酸酶（ EC 1�14�18�1，tyrosinase）是一种含铜需氧酶，广泛存在于微生物、动植物及人体中，具有多种特征性催化活性和生理功能，受到国内外诸多学者的广泛关注。结合近年来国内外的研究成果，对酪氨酸酶的机制、制备、应用等研究现状进行了综述与展望。
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