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http://dx.doi.org/10.3746/jkfn.2015.44.10.1531

Effects of Temperature and Alcohol Contents on Quality of Takju during Storage Period  

Seo, Seung-Ho (School of Oriental Medicine, Dongshin University)
Park, Seong-Eun (School of Oriental Medicine, Dongshin University)
Yoo, Seon-A (School of Oriental Medicine, Dongshin University)
Son, Hong-Seok (School of Oriental Medicine, Dongshin University)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.44, no.10, 2015 , pp. 1531-1537 More about this Journal
Abstract
This study was performed to investigate the quality characteristics of Takju under different storage temperatures ($4^{\circ}C$ and $20^{\circ}C$) and alcohol contents (6%, 8%, 10%, and 12%) during 90 days of storage. The counts of yeast were lower in Takju samples stored at $4^{\circ}C$ than in those stored at $20^{\circ}C$ after 90 days of storage. No significant differences were observed for total acidity and free amino acid contents in Takju stored at $4^{\circ}C$ during 90 days of storage. Lactic acid contents in Takju stored at $4^{\circ}C$ changed little after 90 days of storage from 1,883.5 mg/L to 1,914.6 mg/L, whereas those in Takju stored at $20^{\circ}C$ increased to 4,736.1 mg/L after storage. Free amino acid contents in Takju stored at $20^{\circ}C$ increased after 90 days of storage regardless of alcohol content. Thus, we concluded that the shelf-life of Takju could be extended more than 30 days, currently the most common shelf-life of Takju, when stored at $4^{\circ}C$.
Keywords
Takju; storage period; organic acid; free amino acid; shelf life;
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Times Cited By KSCI : 15  (Citation Analysis)
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