|Table of Contents|

Isolation and Identification of Specific Spoilage Organismsin Conditioning Crayfish Products(PDF)

《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

Issue:
2017年04期
Page:
103-
Research Field:
·生命科学·
Publishing date:

Info

Title:
Isolation and Identification of Specific Spoilage Organismsin Conditioning Crayfish Products
Author(s):
Zhou Tao; Song Fangxia; Huang Cunhui
Ginling College,Nanjing Normal University,Nanjing 210097,China
Keywords:
Procambarus clarkii; conditioning products; SSO; isolation and identification
PACS:
TS251.7
DOI:
10.3969/j.issn.1001-4616.2017.04.017
Abstract:
In order to isolate and identify the spoilage organism from conditioning crayfish products under 4 temperature conditions,the spoilage bacteria were separated from the conditioning crayfish products stored under low temperature of 4,while the total number of colonies is 7.05 logcfu/mL in conditioning crayfish products. Isolation and identification of spoilage bacteria were performed by traditional methods of isolation and purification,colony morphology observation,physiological and biochemical identification and 16S rDNA sequence analysis. The results showed that,85 strains were isolated from the conditioning crayfish products samples and 5 strains of typical dominant bacteria obtained by microscopy,physiological and biochemical identification and 16S rDNA sequencing. Respectively,Bacillus cereus,Bacillus methylotrophicus,Lysinibacillus fusiformis,and Macrococcus caseolyticus.

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Last Update: 2017-12-30