Abstract: With great concern on food security, fresh\|keeping technology developed rapidly, and it became a research trend to seek safe and efficient biopreservation technologies. This paper introduced the principle of biological preservation; reviewed the application of biological technology on fruites and vegetables preservation, including the microognisms and their metabolites，the natural extract and genetic engineering technology; then discussed the deficiencies and development directions of biological preservation technology.

Key words: biological preservation technology, fruits and vegetables, progress

摘要： 随着人们对食品安全问题的普遍关注，果蔬保鲜技术发展迅速，寻求一种更安全、高效的生物保鲜剂成为食品保鲜领域的研究趋势。本文介绍了生物保鲜技术的基本原理；总结了三类主要生物保鲜技术在果蔬防腐中的应用，包括利用微生物菌体及其代谢产物的保鲜、天然提取物的保鲜以及基因工程保鲜技术；最后讨论了各种生物保鲜技术的不足及今后发展的方向。

关键词: 生物保鲜技术, 果蔬, 研究进展