- Volume 34 Issue 6
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Distribution Channel and Microbial Characteristics of Pig By-products in Korea
- Kang, Geunho ;
- Seong, Pil-Nam ;
- Moon, Sungsil ;
- Cho, Soohyun ;
- Ham, Hyoung-Joo ;
- Park, Kyoungmi ;
- Kang, Sun-Moon ;
- Park, Beom-Young
- Received : 2014.09.01
- Accepted : 2014.10.18
- Published : 2014.12.31
The distribution channel of meat by-products from the pig farm to the final consumer can include a meat processor, wholesale market, wholesaler, retailer, and butcher shop. Bacterial contamination at any of these steps remains to be a serious public health concern. The aim of this study was to evaluate the distribution channel and microbial characteristics of pig by-products in Korea. Upon evaluation of pig by-products in cold storage, we found that the small and large intestine were significantly (p<0.05) higher in pH value compared to the heart and liver. The total plate counts were not significantly different among offals until cold storage for 7 d. The coliform count after 1 d of cold storage was significantly (p<0.05) higher in small and large intestine than in the other organs. The coliform count of heart, liver, and stomach showed a higher coliform count than small and large intestine until 7 d of cold storage. As determined by 16S rRNA sequencing, contamination of major pig by-products with Escherichia coli, Shigella spp., and other bacterial species occurred. Therefore, our results suggest that a more careful washing process is needed to maintain quality and hygiene and to ensure the safety of pig by-products, especially for small and large intestine.
pig by-products;offal;distribution channel;microbial contamination;coliforms
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Grant : Development of storage and distribution technology for meat by-products
Supported by : Rural Development Administration