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http://dx.doi.org/10.9721/KJFST.2018.50.2.172

Pretreatment sterilization of garlic and ginger using antimicrobial agents and blanching  

Choi, Jun-Bong (Graduate School of Hotel & Tourism, The University of Suwon)
Cheon, Hee Soon (R&D center, Seoul Perfumery Corporation)
Chung, Myong-Soo (Department of Food Science and Engineering, Ewha Womans University)
Cho, Won-Il (CJ Foods R&D, CJ Cheiljedang Corporation)
Publication Information
Korean Journal of Food Science and Technology / v.50, no.2, 2018 , pp. 172-178 More about this Journal
Abstract
The sterilization rates were investigated to develop effective pretreatment methods of garlic and ginger using antimicrobial agents and blanching. Antibacterial components in chopped garlic and ginger, such as allicin, ginger, and shogaol, exhibited an antibacterial effect that reduced bacteria by a factor of $10^1(CFU/g)$. The total number of bacteria in garlic and ginger was decreased by $10^1(CFU/g)$ after individually soaking in 1% (w/w) citric acid, calcium oxide and 200 ppm sodium hypochlorite solution for 1 h, respectively. When chopped garlic and ginger were immersed in 1% (w/w) calcium oxide solution for 1 h, the bactericidal effect was increased by $10^4-fold$. Total cells with thermoduric bacteria exhibited a $10^3-10^4-fold$ reduction after heating for 30-40 s at $90-95^{\circ}C$. The combination of soaking in 200 ppm sodium hypochlorite solution and blanching at $95^{\circ}C$, 40 s showed $10^1-fold$ decrease in total number of cells compared to blanching in whole ginger.
Keywords
garlic; ginger; pretreatment sterilization; antimicrobial agents; blanching;
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Times Cited By KSCI : 8  (Citation Analysis)
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