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http://dx.doi.org/10.11002/kjfp.2012.19.1.131

Physiochemical and Microbiological Changes of the Fermented Dandelion (Taraxacum officinale) Extracts with Raw Sugar  

Kim, Kyung-Min (Dept. of Food Science and Biotechnology, School of Biotechnology and Bioengineering and Institute of Bioscience & Biotechnology, Kangwon National University)
Kim, Young-Nam (Agriproduct Processing Experiment Station, Gangwon-do Agricultural Research & Experiment Services)
Choi, Byoung-Kon (Agriproduct Processing Experiment Station, Gangwon-do Agricultural Research & Experiment Services)
Oh, Deog-Hwan (Dept. of Food Science and Biotechnology, School of Biotechnology and Bioengineering and Institute of Bioscience & Biotechnology, Kangwon National University)
Publication Information
Food Science and Preservation / v.19, no.1, 2012 , pp. 131-137 More about this Journal
Abstract
This study was carried out to investigate the physiochemical and microbiological changes of dandelion during fermentation. Thirty and fifty percentage raw sugar groups (SFE30 and SFE50) were introduced into dandelions and fermented for 120 days at $15-20^{\circ}C$. This study was conducted to investigate the utilization of sucrose on lactic acid bacteria from dandelions and their effect on the pH, titratable acidity, microorganism and formation of organic acids in dandelions during fermentation. The number of lactic acid bacteria increased remarkably up to 15 days of fermentation and then decreased rapidly thereafter. The maximum number of lactic acid bacteria, 7.9 log CFU/mL was reached at pH 4.17 and the pH of dandelion showed a slight decrease during fermentation and decreased steadily up to 90 days to reach an optimum pH of 4.0. The titratable acidity of dandelions fermented increased during fermentation. The concentration of organic acid, amino acid and free sugar in SFE30 was higher than both SFE50 and DWE. The results of dandelions fermented were remarkably retarded in the 50% raw sugar group compared to the 30% raw sugar group.
Keywords
Taraxacum officinale; fermentation; physiochemical; microbiological changes;
Citations & Related Records
Times Cited By KSCI : 13  (Citation Analysis)
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