【摘要】 传统工艺对果汁/果酒澄清或浓缩时,普遍存在澄清效果不佳、工艺过程能耗大以及操作温度高、风味物质损失严重等生产缺陷,膜分离技术能够解决传统工艺存在的问题,具有常温下操作、分离过程无相变、选择性高且能耗低等优点。本文中,笔者综述新近的研究成果,对膜材料、膜组件和操作参数的选择进行讨论,概述膜分离技术在果汁/果酒澄清或浓缩中的效果及对其品质的影响,阐述在水果加工过程中膜污染的形成机制及控制和清洗办法,并对膜技术在水果加工领域的应用前景进行展望,以期为相关的研究者和企业提供技术参考。更多还原

【Abstract】 Clarifying and concentrating fruit juice or fruit wine by traditional techniques have several disadvantages such as poor clarification effect,high energy consumption,high operating temperature,or serious loss of flavor compounds. These problems can be solved by membrane separation technology,featured with nonthermal operation,no phase transition during processing,high selectivity and low energy consumption.Based on recent research results,the selection of membrane materials,membrane modules and operating parameters are discussed in the review. The effects of membrane separation process on the clarification/concentration performance and quality of fruit juice and fruit wine are summarized. The membrane fouling mechanism,the approaches of fouling control/cleaning during fruit processing are addressed as well as prospects of applicating membrane technology in the field of fruit processing to provide technical references for related researchers and enterprises.更多还原