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真空条件下冷却羊肉的菌相消长规律

作  者:
张德权;王宁;王清章;李淑荣
单  位:
中国农业科学院农产品加工研究所;华中农业大学食品科技学院
关键词:
冷却羊肉;真空包装;初始菌相;消长规律
摘  要:
本文采用选择性培养基对冷却羊肉中的主要微生物进行了选择培养,分析研究了真空条件下冷却羊肉的菌相消长规律。结果表明:假单胞菌、乳酸菌、热死环丝菌和肠杆菌是构成冷却羊肉初始菌相的主要微生物;4℃冷藏过程中,乳酸菌的含量呈上升趋势,并快速成为绝对优势菌群,热死环丝菌和假单胞菌的含量呈下降趋势,肠杆菌的含量变化较小;乳酸菌的增长严重地抑制了假单胞菌、热死环丝菌和肠杆菌的增长。
译  名:
Microflora Changes of Chilled Mutton under Vacuum
作  者:
ZHANG De-quan1,WANG Ning2,WANG Qing-zhang2,LI Shu-rong1 (1.Institute of Agro-food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100094, China;2.College of Food Sciences and Technology, Huazhong Agricultural University, Wuhan 430070, China)
关键词:
chilled mutton;vacuum packaged;initial microflora;changes
摘  要:
Main microorganisms of chilled mutton were incubated with selective agars, and initial microflora and their changes under vacuum were analyzed. The results showed: Pseudomonas, Lactobacillus, Brochothix thermosphacta and Enterobacteriaceae were the main microorganisms in the chilled mutton; Lactobacillus increased progressively and became dominant microflora fast during storage in 4℃. However, Pseudomonas and Brochothix thermosphacta gradually decreased and Enterobacteriaceae was unchanged almost; Lactobacillus restrained the growths of Pseudomonas, Brochothix thermosphacta and Enterobacteriaceae seriously.

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