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http://dx.doi.org/10.13103/JFHS.2014.29.3.202

Monitoring on Microbiological Contamination of Packed Ice Creams from Manufacturing Factories in Korea  

Heo, Eun-Jeong (Ministry of Food and Drug Safety)
Ko, Eun-Kyung (Animal and Quarantine Agency)
Kim, Young-Jo (Ministry of Food and Drug Safety)
Seo, Kun-Ho (KU Center for Food Safety, College of Veterinary Medicine Konkuk University)
Park, Hyun-Jung (Ministry of Food and Drug Safety)
Wee, Sung-Hwan (Animal and Quarantine Agency)
Moon, Jin San (Animal and Quarantine Agency)
Publication Information
Journal of Food Hygiene and Safety / v.29, no.3, 2014 , pp. 202-206 More about this Journal
Abstract
In this study, the bacteriological survey was examined on ice creams at manufacturing factories in Korea during the summer season of 2011. The nineteen selected among 166 samples by preliminary test were collected from 11 different manufacturing factories in four major manufacturers in May 2011. Samples from ice milk, ice creams, sherbets, and non milk fat ice creams were tested for the total aerobic bacteria, coliform bacteria, and five food borne pathogens, respectively. The results showed that the coliforms including E. coli O157:H7, Salmonella spp., Staphylococcus aureus, Clostridium perfringens, and Listeria monocytogenes were not detected on all the ice creams. The total aerobic bacteria of the packed samples examined ranged between $2.5{\times}10^3$ and $5.5{\times}10^5cfu/g$. One ice cream, two sherbets, and four ice milk samples exceeded the acceptable limits of total aerobic bacteria according to the Korean standards for ice cream ($1.0{\times}10^5cfu/g$) and others ($5.0{\times}10^4cfu/g$). The levels of these microorganisms from ice creams were higher in three original equipment manufacturers than seven self-manufacturers. Three of ten ice creams (30.0%), three of six ice milks (50.0%), and one of two sherbets (50%) exceeded the acceptable limits of total aerobic bacteria, respectively. The personnel hygiene procedures with chocolate and vanilla chip addition from the manufacturing process were the main sources of the microbial contamination of stick-bar type ice creams when being produced in a factory. Improvement of the hazard analysis critical control points (HACCP) system should be introduced into the ice cream factory to improve the microbial quality of the ice cream products in Korea.
Keywords
Ice creams; Microbiological quality; HACCP;
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Times Cited By KSCI : 1  (Citation Analysis)
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