Abstract
Abstract This study was performed to investigate the changes in quality characteristics of Takju under different storage temperatures (5, 10 and 20℃) and length of shelf life. Under all storage conditions, alcohol content, pH, total bacteria and yeast counts of Takju decreased with increasing storage period. However, aldehyde content and total acidity increased. In sensory evaluation, flavor, taste and overall satisfaction of Takju under all storage conditions decreased with increasing storage period and temperature. Quality characteristics such as alcohol content, total bacteria count, yeast count, total acidity, pH, aldehyde content and overall satisfaction at high storage temperature changed faster than low storage temperature. Alcohol content, total bacteria count, yeast count, total acidity, pH and aldehyde content had high correlations among factors affecting sensory characteristics (p<0.01). based on the results from this study, expected expiration dates of Takju are 55, 26 and 3 days at 5, 10 and 20℃, respectively.Key words: Takju, quality characteristics, storage conditions, shelf-life
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