NDLI: Disinfection of radish and alfalfa seeds inoculated with Escherichia coli O157:H7 and Salmonella by a gaseous acetic acid treatment.

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Disinfection of radish and alfalfa seeds inoculated with Escherichia coli O157:H7 and Salmonella by a gaseous acetic acid treatment.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Nei, Daisuke Latiful, Bari M. Enomoto, Katsuyoshi Inatsu, Yasuhiro Kawamoto, Shinnichi
Description	Country affiliation: Japan Author Affiliation: Nei D ( Food Hygiene Laboratory, National Food Research Institute, Kannondai-2-1-12, Tsukuba, Japan. nei@affrc.go.jp)
Abstract	Abstract The majority of seed sprout-related outbreaks have been associated with Escherichia coli O157:H7 and Salmonella. Therefore, we aimed to find an effective method to inactivate these organisms on seeds before sprouting. Treatment with 8.7% (v/v) acetic acid at 55°C for 2-3 h reduced the population of E. coli O157:H7 and Salmonella inoculated on alfalfa (Medicago sativa L.) and radish seeds (Raphanus sativus L.) by more than 5.0 log CFU/g, and a longer treatment time completely eliminated the E. coli O157:H7 population. The E. coli O157:H7 populations were reduced to an undetectable level with a gaseous acetic acid treatment for 48 h. After enrichment, no E. coli O157:H7 were found in the alfalfa and radish seeds (25 g). However, these treatments were unable to eliminate Salmonella in both seed types. No significant difference between the germination rates of treated alfalfa seeds and control seeds was found, and germination rates greater than 95% were obtained for the radish seeds. Although chlorine washing is commonly used for seed decontamination, chlorine washing at 200 and 20,000 ppm resulted in a reduction of pathogens by less than or equal to 3 log CFU/g. Therefore, these results suggested that gaseous acetic acid is more effective than chlorine washing in controlling pathogenic bacteria on sprout seeds.
File Format	HTM / HTML
ISSN	15353141
Issue Number	10
Volume Number	8
e-ISSN	15567125
Journal	Foodborne Pathogens and Disease
Language	English
Publisher	Mary Ann Liebert, Inc.
Publisher Date	2011-10-01
Publisher Place	United States
Access Restriction	Subscribed
Subject Keyword	Discipline Microbiology Discipline Parasitology Discipline Nutritional Sciences Acetic Acid Pharmacology Escherichia Coli O157 Drug Effects Medicago Sativa Microbiology Raphanus Salmonella Seeds Chlorine Colony Count, Microbial Consumer Product Safety Decontamination Disinfectants Growth & Development Food Microbiology Gases Germination Genetics Microbial Viability Time Factors Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Animal Science and Zoology Microbiology Applied Microbiology and Biotechnology Food Science

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Large-scale gaseous acetic acid treatment to disinfect alfalfa seeds inoculated with Escherichia coli.

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Disinfection of radish and alfalfa seeds inoculated with Escherichia coli O157:H7 and Salmonella by a gaseous acetic acid treatment.

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Large-scale gaseous acetic acid treatment to disinfect alfalfa seeds inoculated with Escherichia coli.

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Disinfection of radish and alfalfa seeds inoculated with Escherichia coli O157:H7 and Salmonella by a gaseous acetic acid treatment.