Abstract:

Fruit juice is important beverage with abundant nutrients. Some problems, however, were existed in juice production, such as high pulp viscosity, low squeezing efficiency, hard to clarify, and bitterness of some juice. As all known, adding enzyme into juice is an effective way to resolve these problems. Presently, lots of enzymes have been applied in juice processing, such as pectinase,amylase,cellulase,oxidoreductase and naringinase, etc., of which pectinase was most widely used. This paper briefly reviewed the source and applied effect of pectinase, the development of some novel enzyme preparations, and made comments for future research on enzymes used in fruit juice processing.

Key words: fruit juice, enzyme, pectinase

摘要：

果汁含有丰富的营养物质，是一种重要的饮料。在果汁生产过程中存在着果浆粘度高、压榨率低、澄清难及部分果汁有苦味的问题。近年来的研究和实践表明，使用酶制剂处理工艺是解决上述问题的有效途径。目前在果汁生产中应用的酶制剂有果胶酶、淀粉酶、纤维素酶、氧化还原酶和柚苷酶等，其中以果胶酶的应用最为广泛。重点阐述了果汁生产中果胶酶制剂的来源和应用效果，以及新酶制剂品种的开发情况，并论述了果汁用酶制剂未来的研究重点。

关键词: 果汁；酶制剂；果胶酶