NDLI: Effectiveness of a spontaneous carvacrol nanoemulsion against Salmonella enterica Enteritidis and Escherichia coli O157:H7 on contaminated broccoli and radish seeds.

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Effectiveness of a spontaneous carvacrol nanoemulsion against Salmonella enterica Enteritidis and Escherichia coli O157:H7 on contaminated broccoli and radish seeds.

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Effectiveness of a spontaneous carvacrol nanoemulsion against Salmonella enterica Enteritidis and Escherichia coli O157:H7 on contaminated broccoli and radish seeds.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Landry, Kyle S. Micheli, Sean McClements, David Julian McLandsborough, Lynne
Description	Author Affiliation: Landry KS ( Department of Food Science, University of Massachusetts, Amherst, MA 01003, USA. Electronic address: kslandry@foodsci.umass.edu.); Micheli S ( Department of Chemistry and Food Science, Framingham State University, Framingham, MA 01701, USA. Electronic address: smicheli@framingham.edu.); McClements DJ ( Department of Food Science, University of Massachusetts, Amherst, MA 01003, USA. Electronic address: mcclements@foodsci.umass.edu.); McLandsborough L ( Department of Food Science, University of Massachusetts, Amherst, MA 01003, USA. Electronic address: lm@foodsci.umass.edu.)
Abstract	The incidence of foodborne illness associated with the consumption of fresh produce has continued to increase over the past decade. Sprouts, such as mung bean, alfalfa, radish, and broccoli, are minimally processed and have been sources for foodborne illness. Currently, a 20,000 ppm calcium hypochlorite soak is recommended for the treatment of sprouting seeds. In this study, the efficacy of an antimicrobial carvacrol nanoemulsion was tested against Salmonella enterica subspecies enterica serovar Enteritidis (ATCC BAA-1045) or EGFP expressing Escherichia coli O157:H7 (ATCC 42895) contaminated sprouting seeds. Antimicrobial treatments were performed by soaking inoculated seeds in nanoemulsions (4000 or 8000 ppm) for 30 or 60 min. Following treatment, surviving cells were determined by performing plate counts and/or Most Probable Number (MPN) enumeration. Treated seeds were sprouted and tested for the presence of pathogens. Treatment successfully inactivated low levels (2 and 3 log CFU/g) of S. Enteritidis and E. coli on radish seeds when soaked for 60 min at concentrations ≥4000 (0.4%) ppm carvacrol. This treatment method was not affective on contaminated broccoli seeds. Total sprout yield was not influenced by any treatments. These results show that carvacrol nanoemulsions may be an alternative treatment method for contaminated radish seeds.
File Format	HTM / HTML
ISSN	07400020
Volume Number	51
e-ISSN	10959998
Journal	Food Microbiology
Language	English
Publisher	Elsevier
Publisher Date	2015-10-01
Publisher Place	Great Britain (UK)
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Microbiology Discipline Nutritional Sciences Brassica Microbiology Escherichia Coli O157 Drug Effects Foodborne Diseases Prevention & Control Monoterpenes Pharmacology Raphanus Salmonella Enteritidis Seeds Growth & Development Colony Count, Microbial Emulsions Chemistry Food Microbiology Germination Microbial Viability Nanoparticles Nanospheres Journal Article Research Support, Non-u.s. Gov't Research Support, U.s. Gov't, Non-p.h.s.
Content Type	Text
Resource Type	Article
Subject	Microbiology Food Science

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Individual and combined application of dry heat with high hydrostatic pressure to inactivate Salmonella and Escherichia coli O157:H7 on alfalfa seeds.

Effectiveness of a spontaneous carvacrol nanoemulsion against Salmonella enterica Enteritidis and Escherichia coli O157:H7 on contaminated broccoli and radish seeds.

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