EVALUATION OF THE ABILITY OF PRIMARY SELECTIVE ENRICHMENT TO RESUSCITATE HEAT-INJURED AND FREEZE-INJURED LISTERIA-MONOCYTOGENES CELLS

被引:28
作者
BUDUAMOAKO, E [1 ]
TOORA, S [1 ]
ABLETT, RF [1 ]
SMITH, J [1 ]
机构
[1] PRINCE EDWARD ISL FOOD TECHNOL CTR,CHARLOTTETOWN C1A 7N8,PEI,CANADA
关键词
D O I
10.1128/AEM.58.9.3177-3179.1992
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Resuscitation rates of injured Listeria monocytogenes on conventional selective Listeria enrichment broth and nonselective Trypticase soy broth containing 0.6% yeast extract were compared. Cells were heated to 60-degrees-C for 5 min or frozen at -20-degrees-C for 7 days. Inoculation of Trypticase soy broth-yeast extract with the stressed cells resulted in growth that was superior to that in Listeria enrichment broth. Injured cells were fully recovered at 6 to 8 h.
引用
收藏
页码:3177 / 3179
页数:3
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