Survival and growth of Listeria monocytogenes and Escherichia coli O157:H7 in ready-to-eat iceberg lettuce washed in warm chlorinated water

被引：73

作者：

Delaquis, P ^{[1
]}

Stewart, S ^{[1
]}

Cazaux, S ^{[1
]}

Toivonen, P ^{[1
]}

机构：

[1] Agr & Agri Food Canada, Pacific Agri Food Res Ctr, Summerland, BC V0H 1Z0, Canada

来源：

JOURNAL OF FOOD PROTECTION | 2002年 / 65卷 / 03期

关键词：

D O I：

10.4315/0362-028X-65.3.459

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：

ddCut iceberg lettuce inoculated with Escherichia coli O157:H7 and Listeria monocytogenes before and after washing for 3 min in cold (4degreesC) and warm (47degreesC) water containing 100 mg/liter total chlorine was stored at 1 and 10degreesC in oxygen-permeable film packages (6,000 to 8,000 cc/m(2)/24 h). Cold chlorinated water was detrimental to the survival of E. coli O157: H7 and L monocytogenes at both storage temperatures. In contrast, washing in warm chlorinated water favored the growth of both pathogens in lettuce stored at 10degreesC. There was no evidence of a relationship between the magnitude of spoilage microflora and the fate of either bacterium.

引用

页码：459 / 464

页数：6

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