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http://dx.doi.org/10.3746/jkfn.2009.38.11.1587

Quality Characteristics of Doenjang Added with Red Pepper (Capsicum annuum L.) Seed  

Ku, Kyung-Hyung (Korea Food Research Institute)
Choi, Eun-Jeong (Korea Food Research Institute)
Park, Wan-Soo (Korea Food Research Institute)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.38, no.11, 2009 , pp. 1587-1594 More about this Journal
Abstract
This study investigated the physico-chemical and sensory quality of Doenjang added with red pepper (Capsicum annuum L.) seed. The initial moisture content and salt content of Doenjang were 52.03-53.79% and 13.28-14.05%, respectively. The moisture and salt contents of Doenjang slightly decreased and increased, respectively, as fermentation periods increased. According to increasing fermentation periods, pH of Doenjang showed a little decreasing value although there were no difference between samples with various red pepper seed contents. On the other hand, titratable acidity of Doenjang increased as fermentation periods increased. Also, Doenjang added with red pepper seed had higher titratable acidity value than control Doenjang without red pepper seed. In the color of Doenjang, ‘L’ of lightness, ‘b’ of yellowness, and ‘a’ of redness were decreased as fermentation periods increased. Also, generally, increase of red pepper seed concentration resulted in higher values of redness (a), yellowness (b) and lightness (L) of Doenjang. Also, amino-type nitrogen content, which was 497-623 mg% in initial fermentation period samples, increased to 1,000 mg% for control and to 756~896 for red pepper added at the fermentation 120 days. In the total microbes, total cell count in the Doenjang samples was in the range of $10^7{\sim}10^8$ CFU/g regardless of fermentation periods. In contrast, yeast and mold number of Doenjang samples showed the range of $10^5$ CFU/g at the initial fermentation periods and decreased thereafter. In the sensory evaluation of Doenjang, unique Doenjang flavor increased regardless added red pepper seed as fermentation periods increased.
Keywords
Doenjang; red pepper seed; quality characteristics;
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Times Cited By KSCI : 10  (Citation Analysis)
Times Cited By SCOPUS : 1
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