| Full text | |
| Author(s): |
de Oliveira, Maria Aparecida
[1]
;
de Souza, Vanessa Maciel
[2]
;
Morato Bergamini, Alzira Maria
[1]
;
Pereira de Martinis, Elaine Cristina
[2]
Total Authors: 4
|
| Affiliation: | [1] Ctr Lab Reg Ribeirao Preto VI, Inst Adolfo Lutz, BR-14085410 Ribeirao Preto, SP - Brazil
[2] Univ Sao Paulo, Fac Ciencias Farmaceut Ribeirao Preto, BR-14040903 Ribeirao Preto, SP - Brazil
Total Affiliations: 2
|
| Document type: | Journal article |
| Source: | FOOD CONTROL; v. 22, n. 8, p. 1400-1403, AUG 2011. |
| Web of Science Citations: | 43 |
| Abstract | |
Minimally processed leafy vegetables are ready-to-eat (RTE) products very attractive to consumers looking for healthy and convenient meals. However, the microbiological safety of these foods is of special concern due to the absence of lethal treatments during processing. In the present study, indicator microorganisms, Listeria spp. and Salmonella spp. were determined for 162 samples of minimally processed leafy vegetables commercialized in Brazil. Psychrotrophic aerobic bacterial populations >5 log CFU/g were found in 96.7% of the samples, while total and thermotolerant coliforms were detected respectively in 132 (81.5%) and 107 (66%) of vegetables analyzed. Escherichia coil was present in 86 (53.1%) samples analyzed and Listeria spp. and Salmonella spp. were detected respectively in 6 (3.7%) and 2 (1.2%) samples. These results indicate the need of implementing quality programs in the production chain of RTE vegetables to improve shelf life and microbiological safety. (C) 2011 Elsevier Ltd. All rights reserved. (AU) | |
| FAPESP's process: | 06/06401-3 - PCR targeting 16S rRNA genes for speeding enumeration of Listeria monocytogenes in minimally processed vegetables compared to the classical method |
| Grantee: | Elaine Cristina Pereira de Martinis |
| Support Opportunities: | Regular Research Grants |