高密度co2对虾优势腐败菌的杀菌效果及机理-ingentaconnect.pdf

See discussions, stats, and author profiles for this publication at: /publication/251231944 Sterilizing effect of dense phase carbon dioxide on dominant spoilage bacteria from shrimp and its mechanism Article in Nong e Gongcheng Xuebao/Transactions of the Chinese Societ of Agricultural Engineering · Jul 2013 DOI: 10.3969/j.issn.1002-6819.2013.14.036 CITATION READS 1 59 1 author: Liu Shucheng Guangdong Ocean Universit 51 PUBLICATIONS 359 CITATIONS SEE PROFILE Some of the authors of this publication are also working on these related projects: Dissolution and diffusion behavior of dense phase carbon dioxide in shrimp surimi based on the coupling of pressure and temperature fields View project Rule and mechanism of Litopenaeus vannamei m osin self-assembl induced b dense phase carbon dioxide View project All content following this page was uploaded b Liu Shucheng on 09 September 2017. The user has requested enhancement of the downloaded file. 第 29 卷 第 14 期 农 业 工 程 学 报 Vol.29 No.14 284 2013 年 7 月 Transactions of the Chinese Society of Agricultural Engineering Jul. 2013 高密度 CO 对虾优势腐败菌的杀菌效果及机理 2 ※ 刘书成，张 良，吉宏武 ，屈小娟，章超桦，郝记明 （广东省水产品加工与安全重点实验室，广东普通高等学校水产品深加工重点实验室，广东海洋大学食品科技学院，湛江 524088 ） 摘 要：为了探讨高密度 CO2 （dense phase carbon dioxide，DPCD ）对水产品腐败菌的杀菌效果和机制，以一株 凡纳滨对虾优势腐败菌（Chryseobacterium sp. LV1）为研究对象，研究了DPCD 处理温度（30～55℃）、压力（5～ 25 MPa ）、时间（5～60 min ）对杀菌效果的影响，分析了DPCD 处理前后该菌理化性质的变化。结果表明：DPCD 对其具有较好的杀菌效果，温度升高、压力增大、延长时间都会增强杀菌效果，而且超临界 CO2 比亚临界CO2 的 杀菌效果好。当在 4