Effects of Combined Treatment of Sodium Hypochlorite/Ionizing Radiation and Addition of Vitamin B-1 on Microbial Flora of Oyster and Short-Necked Clam
- Authors
- Kim, Hyun-Joo; Ha, Ji-Hyoung; Kim, Seok-Won; Jo, Cheorun; Park, Jiyong; Ha, Sang-Do
- Issue Date
- Jul-2011
- Publisher
- MARY ANN LIEBERT INC
- Citation
- FOODBORNE PATHOGENS AND DISEASE, v.8, no.7, pp 825 - 830
- Pages
- 6
- Journal Title
- FOODBORNE PATHOGENS AND DISEASE
- Volume
- 8
- Number
- 7
- Start Page
- 825
- End Page
- 830
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/21423
- DOI
- 10.1089/fpd.2010.0823
- ISSN
- 1535-3141
1556-7125
- Abstract
- To determine the synergistic disinfection effect of the combined treatments of sodium hypochlorite (NaClO), irradiation, and vitamin B-1, the bactericidal effects of the treatments on natural microflora of oyster and short-necked clam were investigated. Then, bacteria isolated from the samples were identified by 16S rDNA sequencing. Oyster and short-necked clam were mainly contaminated with Vibrio spp. and Bacillus spp. Total number of aerobic bacteria ranged from 10(2) to 10(4) colony forming units (CFU)/g initially. More than 100 mg/L of NaClO with 1000 mg/L vitamin B-1 and 2 kGy irradiation treatment for oyster and short-necked clam can reduce the total aerobic bacteria to the level of lower than a detection limit (10 CFU/g). Synergistic effects were observed for all combined treatment against natural microflora. The results suggest that a significant synergistic benefit can be achieved by a combination of NaClO-ionizing radiation treatment with the addition of vitamin B-1 to reduce the microbial population contaminated in oyster and short-necked clam.
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