2001
DOI: 10.1038/sj.jim.7000094
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Effects of vegetable type, package atmosphere and storage temperature on growth and survival of Escherichia coli O157:H7 and Listeria monocytogenes

Abstract: The survival and growth of Escherichia coli O157:H7 (ATCC 43888 and NCTC 12900) and Listeria monocytogenes (ATCC 19114 and NCTC 11994) during storage (4 and 8 degrees C) on ready-to-use (RTU) packaged vegetables (lettuce, swedes (rutabaga), dry coleslaw mix, soybean sprouts) were studied. The vegetables were sealed within oriented polypropylene packaging film, and modified atmospheres developed in packs during storage due to produce respiration. Survival and growth patterns were dependent on vegetable type, pa… Show more

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Cited by 93 publications
(65 citation statements)
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“…Application of irradiation induced higher antioxidant content which was nulled by the 47 °C water dip effect. [PMAP 1 (with steady-state atmosphere of 3-4 % O 2 /10-12 % CO 2 ), for iceberg lettuce, PMAP 2 (with steady-state atmosphere of 3-4 % O 2 /10-12 % CO 2 ) for iceberg lettuce, Francis and O'Beirne ( 2001 ), PMAP 3 (with oriented polypropylene as a packaging fi lm) and inoculation with E. Coli and L. innocua for razor blade cut iceberg lettuce, PMAP 4 (with oriented polypropylene as a packaging fi lm) and inoculation with E. coli and L. innocua for razor blade cut butterhead lettuce, Gleeson and O'Beirne ( 2005 ) Francis and O'Beirne ( 1997 ) studied the effect of temperature, antimicrobial dips (100 ppm chlorine solution or 1 % citric acid solution for 5 min) and gas atmosphere (initial gas fl ush with 100 % N 2 or passive MAP) on L. innocua and L. monocytogenes inoculated on iceberg lettuce. Nitrogen fl ushing favored the Listeria growth more than in unfl ushed packages while the use of antimicrobial dips led to better survival of L. innocua at 3 °C.…”
Section: Lettucementioning
confidence: 99%
“…Application of irradiation induced higher antioxidant content which was nulled by the 47 °C water dip effect. [PMAP 1 (with steady-state atmosphere of 3-4 % O 2 /10-12 % CO 2 ), for iceberg lettuce, PMAP 2 (with steady-state atmosphere of 3-4 % O 2 /10-12 % CO 2 ) for iceberg lettuce, Francis and O'Beirne ( 2001 ), PMAP 3 (with oriented polypropylene as a packaging fi lm) and inoculation with E. Coli and L. innocua for razor blade cut iceberg lettuce, PMAP 4 (with oriented polypropylene as a packaging fi lm) and inoculation with E. coli and L. innocua for razor blade cut butterhead lettuce, Gleeson and O'Beirne ( 2005 ) Francis and O'Beirne ( 1997 ) studied the effect of temperature, antimicrobial dips (100 ppm chlorine solution or 1 % citric acid solution for 5 min) and gas atmosphere (initial gas fl ush with 100 % N 2 or passive MAP) on L. innocua and L. monocytogenes inoculated on iceberg lettuce. Nitrogen fl ushing favored the Listeria growth more than in unfl ushed packages while the use of antimicrobial dips led to better survival of L. innocua at 3 °C.…”
Section: Lettucementioning
confidence: 99%
“…O segundo critério para a seleção da cultura lática foi quanto à capacidade de inibição de L. monocytogenes quando avaliadas pela técnica de difusão em meio sólido (36). Utilizou-se o ágar MRS com 0,2 e 20% (p/v) do produto, mas pode proporcionar oportunidade para o crescimento de espécies psicrotróficas anaeróbias facultativas (FRANCIS;O'BEIRNE, 2001;THOMAS;O'BEIRNE, 2000). Considerando que a maioria desses alimentos é consumida sem nenhum tratamento térmico, uma das principais preocupações é com relação a bactérias patogênicas capazes de crescerem em temperatura de refrigeração (FARBER, 1991;SCHUENZEL;HARRISON, 2002;SZABO;SCURRAHAND;BURROWS, 2000).…”
Section: Seleção Da Bactéria Lática a Ser Inoculada Na Couve Minimameunclassified
“…L. monocytogenes sobrevive e/ou cresce em produtos minimamente processados, mantidos sob refrigeração (CARLIN; NGUYEN-THE; SILVA, 1995;CATELLANI;GIACCONE;NOVELLI, 2006;FARBER et al, 1998;NORRUNG, 2000;SINIGAGLIA, 2006) e a incidência desse patógeno em hortaliças minimamente processadas varia, normalmente, de 0 a 19% (BEAULIEU et al, 1997;SILVA, 1995;CARLIN, 1994;ODUMERU et al, 1997;SORIANO et al, 2001). O potencial para sobrevivência e crescimento de Listeria em hortaliças minimamente processadas depende do tipo de hortaliça, idade do produto, concentração do patógeno, procedimento adotado no processamento, temperatura e atmosfera de armazenamento (CARLIN; NGUYEN-THE; SILVA, 1995;FRANCIS;O'BEIRNE, 2001;CARLIN, 1994;THOMAS;O'BEIRNE, 2000).…”
Section: Seleção Da Bactéria Lática a Ser Inoculada Na Couve Minimameunclassified
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