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Efficacy of Syringe Filtration for the Selective Isolation of Campylobacter from Chicken Carcass Rinse

Title
Efficacy of Syringe Filtration for the Selective Isolation of Campylobacter from Chicken Carcass Rinse
Author
Hyunsook Kim
Keywords
Campylobacter; Chicken; Competing microbiota; Culture method; Syringe filter
Issue Date
2017-06
Publisher
INT ASSOC FOOD PROTECTION
Citation
JOURNAL OF FOOD PROTECTION, v. 80, no. 6, page. 1050-1053
Abstract
We investigated the efficacy of syringe filtration for selective isolation of Campylobacter from chicken carcass rinse by combining syringe filtration with the conventional culture method. Whole chicken carcass rinses were incubated in Bolton enrichment broth, set aside or subjected to syringe filtration, and streaked on Campy-Cefex agar with or without cefoperazone antibiotic supplement. Compared with the conventional method without filtration, 0.65-mu m-pore-size syringe filtration resulted in a significantly higher number of Campylobacter-positive samples (23.8 to 37.5% versus 70.0 to 72.5%; P < 0.05), a lower number of plates contaminated with non-Campylobacter (93.8% versus 6.3 to 26.3%), and a lower growth index (1 = growth of a few colonies; 2 = growth of colonies on about half of the plate; and 3 = growth on most of the plate) for competing microbiota (2.9 to 3.0 versus 1.2 to 1.4). When syringe filtration was applied, agar plates containing the antibiotic had significantly less contamination (6.3% versus 26.3%; P < 0.05) and a lower growth index (1.2 versus 1.4) compared with plates without the antibiotic, although the Campylobacter isolation rate was similar (P > 0.05). Syringe filtration combined with conventional enrichment improved the rate and selectivity of Campylobacter isolation from chicken carcasses.
URI
https://jfoodprotection.org/doi/10.4315/0362-028X.JFP-16-470https://repository.hanyang.ac.kr/handle/20.500.11754/114337
ISSN
0362-028X; 1944-9097
DOI
10.4315/0362-028X.JFP-16-470
Appears in Collections:
COLLEGE OF HUMAN ECOLOGY[S](생활과학대학) > FOOD & NUTRITION(식품영양학과) > Articles
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