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http://dx.doi.org/10.9721/KJFST.2022.54.1.75

Efficacy of antibacterial treatments of fresh ginseng (Panax ginseng C.A. Meyer)  

Choi, Jun-Bong (Graduate School of Hotel & Tourism, The University of Suwon)
Cho, Won-Il (Research & Development Center, Dongwon F&B)
Publication Information
Korean Journal of Food Science and Technology / v.54, no.1, 2022 , pp. 75-79 More about this Journal
Abstract
Fresh, washed ginseng can be contaminated with microorganism loads as high as 6.5 log CFU/g for total bacteria and 4.3 log CFU/g for mold. The goal of this study was to test eight antibacterial agents on ginseng. Immersing fresh ginseng washed in 1% (w/w) sodium citrate, sodium diacetate, sodium acetate, citric acid, and sodium lactate solution for 1 h resulted in a bactericidal effect of 31.0-97.5% for total bacteria. Among the organic acids, sodium citrate had the best antibacterial effect, with total bacteria reduced from 6.5 log to 4.9 log CFU/g. A 1% (w/w) vitamin B1 lauryl sulfate solution with surfactant function by hydrophilic and hydrophobic sites can reduce 2.7 log CFU/g (99.8% inactivation) on total bacteria. In the 1% (w/w) calcium oxide solution, total bacteria were reduced by 3 log, showing an excellent inactivation effect of 99.9%. Calcium oxide is a highly useful material for inactivation of microorganisms in fresh ginseng.
Keywords
washed ginseng; microbial safety; sodium citrate; vitamin $B_1$ lauryl sulfate; calcium oxide;
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Times Cited By KSCI : 5  (Citation Analysis)
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