초록

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Abstract ▼ AI-Helper

Brewing method and quality of 10 sample of traditional Dungge-Jang in Kyungsang-Do area were investigated. In order to improve the taste of Dungge-Jang, some amount of boiled bean was added in the Dungge-Jang at early stage of fermentation. The level of amino nitrogen turned out to be low while that...

Brewing method and quality of 10 sample of traditional Dungge-Jang in Kyungsang-Do area were investigated. In order to improve the taste of Dungge-Jang, some amount of boiled bean was added in the Dungge-Jang at early stage of fermentation. The level of amino nitrogen turned out to be low while that of water soluble protein and salt soluble protein was high. Glutamic acid, aspartic acid and proline were the major amino acid in water and salt soluble protein in traditional Dungge-Jang in Kyungsang-Do area. The content of total sugar and free reducing sugar were found to be considerably high, and among the free sugar, glucose was the highest$(2.16{\sim}4.02\;mg/ml)$, followed by maltose and maltotriose. Activities of acid protease and liquefying amylase were $0.13{\sim}1.36$ unit per milliliter and $10.18{\sim}15.19D^{40o}_{30}$ respectively. Result of sensory evaluation showed that the good Dungge-Jang turned out to have well harmonized taste of flavor, sweetness and sourness while the color looked slightly dark and yellow.