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KMID : 1024420220260010019
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Food Engineering Progress
2022 Volume.26 No. 1 p.19 ~ p.26
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Effects of Bactocease Treatment on Microbial Growth and Quality of Fried Fish Paste During Storage
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Chung Ha-Yull
Ra Chae-Hun
Kim Seon-Hwa
Shon Hee-Won
Chung Ha-Yull
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Abstract
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This study investigated the effect of bactocease, as a natural preservative, on the microbial growth and quality of fried fish paste during storage. To select the optimal concentration of bactocease, the inhibition effect of its different treatment concentrations (0.2, 0.4, and 0.8%) on total aerobic bacteria in fish paste dough during 5 days of storage was examined. The sample treated with 0.4% bactocease showed a 1.21 log reduction in microorganisms compared with that of the control. This result was higher than that with 0.2% bactocease and potassium sorbate and similar to that with 0.8% bactocease. Consequently, 0.4% bactocease was chosen as the best concentration for preparing the fried fish paste. Microbial growth on fried samples treated with preservatives was more inhibited by adding preservatives regardless of their type than that of the control after 15 days of storage. In addition, there were no significant differences in the quality between the samples treated with 0.4% bactocease and 0.2% potassium sorbate, such as volatile basic nitrogen contents, TBARS values, pH, and acidity. Therefore, these results indicate that food preservatives should be added into fried fish paste for controlling microbial growth, and bactocease can have a high potential to replace potassium sorbate in processed marine foods, including fried fish paste.
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KEYWORD
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bactocease, natural preservative, microbial growth, quality, fried fish paste
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