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Behavior of enteroaggregative Escherichia coli, non-O157-shiga toxin-producing E. coli, enteroinvasive E. coli, enteropathogenic E. coli and enterotoxigenic E. coli strains on mung bean seeds and sprout.
Int J Food Microbiol. 2013 Sep 16; 166(3):364-8.IJ

Abstract

The behavior of enteroaggregative Escherichia coli (EAEC), non-O157 shiga toxin-producing E. coli (non-O157-STEC), enteroinvasive E. coli (EIEC), enterotoxigenic E. coli (ETEC) and enteropathogenic E. coli (EPEC) on mung bean seeds at 25±2 °C and during germination and sprouting of mung bean seeds at 20±2 ° and 30±2 °C and on mung bean sprouts at 3±2 °C was determined. When mung bean seeds were inoculated with EAEC, non-O157 STEC, EIEC, EPEC or ETEC strains, all these diarrheagenic E. coli pathotypes (DEPs) survived at least 90 days on mung bean seeds at 25±2 °C. All DEPs grew during germination and sprouting of seeds, reaching counts of approximately 5 Log and 7 Log CFU/g after 2 days at 20±2 ° and 30±2 °C, respectively. However, when the sprouts were inoculated after 1 day of seeds germination and stored at 20±2 ° or 30±2 °C, no growth was observed for any DEPs during sprouting at 20±2 °C per 9 d; however, a significant increase in the concentration of DEPs of approximately 0.7 log CFU/g was observed during sprouting at 30±2 °C after 1 day of sprout contamination. Refrigeration reduced the number of viable DEPs strains on sprouts after 10 days in storage; nevertheless, these decreases have no practical significance in the safety of the sprouts.

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Publisher Full Text (DOI)

Authors+Show Affiliations

Gómez-Aldapa CA
Centro de Investigaciones Químicas. Instituto de Ciencias Básicas e Ingeniería, Universidad Autónoma del Estado de Hidalgo, Centro Universitario, Carretera Pachuca-Tulancingo Km. 4.5. Mineral de la Reforma, Hidalgo, CP 42183, Mexico.
Rangel-Vargas E
No affiliation info available
Bautista-De León H
No affiliation info available
Vázquez-Barrios ME
No affiliation info available
Gordillo-Martínez AJ
No affiliation info available
Castro-Rosas J
No affiliation info available

MeSH

Colony Count, MicrobialEscherichia coliFabaceaeFood MicrobiologyMicrobial ViabilityPlant ShootsSeedsTemperatureTime

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

24021821

Citation

Gómez-Aldapa, Carlos A., et al. "Behavior of Enteroaggregative Escherichia Coli, non-O157-shiga Toxin-producing E. Coli, Enteroinvasive E. Coli, Enteropathogenic E. Coli and Enterotoxigenic E. Coli Strains On Mung Bean Seeds and Sprout." International Journal of Food Microbiology, vol. 166, no. 3, 2013, pp. 364-8.
Gómez-Aldapa CA, Rangel-Vargas E, Bautista-De León H, et al. Behavior of enteroaggregative Escherichia coli, non-O157-shiga toxin-producing E. coli, enteroinvasive E. coli, enteropathogenic E. coli and enterotoxigenic E. coli strains on mung bean seeds and sprout. Int J Food Microbiol. 2013;166(3):364-8.
Gómez-Aldapa, C. A., Rangel-Vargas, E., Bautista-De León, H., Vázquez-Barrios, M. E., Gordillo-Martínez, A. J., & Castro-Rosas, J. (2013). Behavior of enteroaggregative Escherichia coli, non-O157-shiga toxin-producing E. coli, enteroinvasive E. coli, enteropathogenic E. coli and enterotoxigenic E. coli strains on mung bean seeds and sprout. International Journal of Food Microbiology, 166(3), 364-8. https://doi.org/10.1016/j.ijfoodmicro.2013.08.008
Gómez-Aldapa CA, et al. Behavior of Enteroaggregative Escherichia Coli, non-O157-shiga Toxin-producing E. Coli, Enteroinvasive E. Coli, Enteropathogenic E. Coli and Enterotoxigenic E. Coli Strains On Mung Bean Seeds and Sprout. Int J Food Microbiol. 2013 Sep 16;166(3):364-8. PubMed PMID: 24021821.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Behavior of enteroaggregative Escherichia coli, non-O157-shiga toxin-producing E. coli, enteroinvasive E. coli, enteropathogenic E. coli and enterotoxigenic E. coli strains on mung bean seeds and sprout. AU - Gómez-Aldapa,Carlos A, AU - Rangel-Vargas,Esmeralda, AU - Bautista-De León,Haydee, AU - Vázquez-Barrios,Ma Estela, AU - Gordillo-Martínez,Alberto J, AU - Castro-Rosas,Javier, Y1 - 2013/08/19/ PY - 2013/05/22/received PY - 2013/08/06/revised PY - 2013/08/11/accepted PY - 2013/9/12/entrez PY - 2013/9/12/pubmed PY - 2014/1/10/medline KW - EAEC KW - EIEC KW - EPEC KW - ETEC KW - Mung bean sprout KW - STEC SP - 364 EP - 8 JF - International journal of food microbiology JO - Int J Food Microbiol VL - 166 IS - 3 N2 - The behavior of enteroaggregative Escherichia coli (EAEC), non-O157 shiga toxin-producing E. coli (non-O157-STEC), enteroinvasive E. coli (EIEC), enterotoxigenic E. coli (ETEC) and enteropathogenic E. coli (EPEC) on mung bean seeds at 25±2 °C and during germination and sprouting of mung bean seeds at 20±2 ° and 30±2 °C and on mung bean sprouts at 3±2 °C was determined. When mung bean seeds were inoculated with EAEC, non-O157 STEC, EIEC, EPEC or ETEC strains, all these diarrheagenic E. coli pathotypes (DEPs) survived at least 90 days on mung bean seeds at 25±2 °C. All DEPs grew during germination and sprouting of seeds, reaching counts of approximately 5 Log and 7 Log CFU/g after 2 days at 20±2 ° and 30±2 °C, respectively. However, when the sprouts were inoculated after 1 day of seeds germination and stored at 20±2 ° or 30±2 °C, no growth was observed for any DEPs during sprouting at 20±2 °C per 9 d; however, a significant increase in the concentration of DEPs of approximately 0.7 log CFU/g was observed during sprouting at 30±2 °C after 1 day of sprout contamination. Refrigeration reduced the number of viable DEPs strains on sprouts after 10 days in storage; nevertheless, these decreases have no practical significance in the safety of the sprouts. SN - 1879-3460 UR - https://www.unboundmedicine.com/medline/citation/24021821/Behavior_of_enteroaggregative_Escherichia_coli_non_O157_shiga_toxin_producing_E__coli_enteroinvasive_E__coli_enteropathogenic_E__coli_and_enterotoxigenic_E__coli_strains_on_mung_bean_seeds_and_sprout_ DB - PRIME DP - Unbound Medicine ER -