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장류용 콩 품종별 발효물의 품질 특성

Quality Properties of Soy-paste Soybean Cultivar for Fermented Soybean Products

  • 신동선 (농촌진흥청 국립식량과학원 중부작물부) ;
  • 박장환 (농촌진흥청 국립식량과학원 중부작물부) ;
  • 최인덕 (농촌진흥청 국립식량과학원 중부작물부) ;
  • 이석기 (농촌진흥청 국립식량과학원 중부작물부) ;
  • 박지영 (농촌진흥청 국립식량과학원 중부작물부) ;
  • 김남걸 (농촌진흥청 국립식량과학원 중부작물부) ;
  • 최혜선 (농촌진흥청 국립식량과학원 중부작물부)
  • Shin, Dong-Sun (Dept. of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration) ;
  • Park, Chang Hwan (Dept. of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration) ;
  • Choi, In Duck (Dept. of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration) ;
  • Lee, Seuk Ki (Dept. of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration) ;
  • Park, Ji Young (Dept. of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration) ;
  • Kim, Nam Geol (Dept. of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration) ;
  • Choi, Hye Sun (Dept. of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration)
  • 투고 : 2019.03.01
  • 심사 : 2019.03.25
  • 발행 : 2019.04.30

초록

This study evaluates the quality properties of soy-paste soybean cultivar for fermented soybean products. The six soybean varieties that include Jinpung, Saedanbaek, Daepung 2, Pyeongwon, Cheonga and Saeolkong were used in the experiment. The range of water uptake ratio, hardness after soaking and hardness after steaming were 117.00~131.33%, 1.65~3.30 kg and 0.05~0.14 kg, respectively. The physicochemical analysis indicated the following: Moisture content, 63.27~68.72%; pH, 6.43~6.60; total acidity, 0.27~0.45%. Color values for L value (lightness), a value (redness), and b value (yellowness) ranged from 39.07~67.92, 7.64~11.79, and 7.48~20.67, respectively. The amylase and protease activities of the Saedanbaek samples were the highest among all cultivars. The amount of viscous substance in the fermented soybean products by cultivars ranged from 5.93 to 8.37%, and Saedanbaek was the highest. The total viable cells counts for soybean fermented products were 9.11~9.42 log CFU/g. The amino-type nitrogen contents of all samples were in the range of 401.07 to 524.47 mg% and Saedanbaek cultivars showed the highest content (524.47 mg%). Based on the results, Saedanbaek will be suitable as a soy-paste soybean cultivar and the quality standards for the fermentation process of the fermented soybean products.

키워드

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Fig. 1. Water absorption of soybean cultivars according to soaking times.

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Fig. 2. The amino type nitrogen contents of fermented soybean products by cultivars.

Table 1. Hardness of fermented soybean products by cultivars

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Table 2. The physicochemical components and color value of fermented soybean products by cultivars

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Table 3. The enzymatic activity, viscous substance and total viable cell of fermented soybean products by cultivars

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Table 4. Correlation coefficients among quality characteristics of fermented soybean products by cultivars

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