Prevalence and counts of Salmonella spp. in minimally processed vegetables in Sao Paulo, Brazil

被引：58
|
作者：
Sant'Ana, Anderson S. [1 ]
Landgraf, Mariza [1 ]
Destro, Maria Teresa [1 ]
Franco, Bernadette D. G. M. [1 ]
机构：
[1] Univ Sao Paulo, Dept Food & Expt Nutr, Fac Pharmaceut Sci, Sao Paulo, Brazil
来源：
FOOD MICROBIOLOGY | 2011年 / 28卷 / 06期
基金：
巴西圣保罗研究基金会;
关键词：
Minimally processed vegetables; Salmonella spp; Prevalence; Enumeration; Food safety; MICROBIOLOGICAL QUALITY; OUTBREAKS; SALADS; FOODS; FRESH;
D O I：
10.1016/j.fm.2011.04.002
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：
Minimally processed vegetables (MPV) may be important vehicles of Salmonella spp. and cause disease. This study aimed at detecting and enumerating Salmonella spp. in MPV marketed in the city of Sao Paulo, Brazil. A total of 512 samples of MPV packages collected in retail stores were tested for Salmonella spp. and total coliforms and Escherichia coli as indication of the hygienic status. Salmonella spp. was detected in four samples, two using the detection method and two using the counting method, where the results were 8.8 x 10(2) CFU/g and 2.4 x 10(2) CFU/g. The serovars were Salmonella Typhimurium (three samples) and Salmonella enterica subsp. enterica O:47:z4,z23:- (one sample). Fourteen samples (2.7%) presented counts of E. coli above the maximum limit established by the Brazilian regulation for MPV (10(2) CFU/g). Therefore, tightened surveillance and effective intervention strategies are necessary in order to address consumers and governments concerns on safety of MPV. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1235 / 1237
页数：3
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