期刊
FOODBORNE PATHOGENS AND DISEASE
卷 11, 期 5, 页码 373-378出版社
MARY ANN LIEBERT, INC
DOI: 10.1089/fpd.2013.1665
关键词
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资金
- Korea Food and Drug Administration [12162KFDA]
- Ministry of Food & Drug Safety (MFDS), Republic of Korea [18602-12162식품안012] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
The current study investigated the synergistic effects of NaOCl (50-200 ppm)/ultrasound (37 kHz, 380 W for 5-100 min) combination on the reduction of Escherichia coli and Bacillus cereus in raw laver. The synergistic reductions were not dependent on concentrations of NaOCl and times of ultrasound. Synergistic reduction ranged from 0.1 to 0.5 log(10) colony-forming units (CFU)/g and 0.1-1.1 log(10) CFU/g, respectively, for E. coli and B. cereus, with the largest synergistic reduction in the combination of 200 ppm NaOCl and 60-min ultrasound. Moreover, significant differences of L (lightness), a (redness), and b (yellowness) were not observed in combined with 50-200 ppm NaOCl and 100-min ultrasound compared to those in raw laver treated by only 100-min ultrasound. The results in the current study indicate that the combined treatment of 200 ppm NaOCl and 60-min ultrasound could be regarded a potential optimum hurdle approach in the seaweed production, processing, and distribution process to enhance seaweed safety.
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