Isolation, Identification and Microflora Compositions of Spoilage Bacteria in Vacuum-packaged Beef

doi:10.7506/spkx1002-6300-200923067

FOOD SCIENCE ›› 2009, Vol. 30 ›› Issue (23 ): 297-300.doi: 10.7506/spkx1002-6300-200923067

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Isolation, Identification and Microflora Compositions of Spoilage Bacteria in Vacuum-packaged Beef

LIU Qin-hua1，HUANG Ming2，PAN Run-shu1，LIU Dan1，LI Hai-tao1，MA Han-jun1,*

1.College of Food Science, Henan Institute of Science and Technology, Xinxiang 453003, China；2. College of Food Science and
Technology, Nanjing Agricultural University, Key Laboratory of Meat Processing and Quality Control, Ministry of Education, Nanjing
210095, China

Received:2009-07-16 Online:2009-12-01 Published:2010-12-29
Contact: MA Han-jun E-mail:hjma@hist.edu.cn

Abstract

Abstract:

Spoilage bacteria of vacuum-packaged beef were isolated and identified. Microflora compositions of spoilage bacteria were analyzed during storage at low or room temperature conditions. Results indicated that isolated 28 special colonies from plates had 7 strains of Acinetobacter, 6 strains of Staphylococcus, 5 strains of Enterobacteriaceae, 3 strains of Brochothrix thermosphacta, 3 strains of Micrococcus, 2 strains of Lactobacillia, 1 strain of Pseudomonas and 1 strain of Bacillus. Storage temperature did not exhibited obvious effect on change of microflora compositions. Lactobacillia and Pseudomonas were major spoilage bacteria during storage.

Key words: beef, spoilage bacte ria, identification, microflora composition

CLC Number:

TS251.7

LIU Qin-hua1，HUANG Ming2，PAN Run-shu1，LIU Dan1，LI Hai-tao1，MA Han-jun1,*. Isolation, Identification and Microflora Compositions of Spoilage Bacteria in Vacuum-packaged Beef[J]. FOOD SCIENCE, 2009, 30(23 ): 297-300.

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Isolation, Identification and Microflora Compositions of Spoilage Bacteria in Vacuum-packaged Beef

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