초록

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Abstract ▼ AI-Helper

The quality characteristics of pH, total acidity, and color of Kimchi juice and organoleptic properties of taste, odor and texture were studied for their changes during Kimchi fermentation. Kimchi was prepared by salting in 15% NaCl solution for 2 hours followed by addition of other spices and ferme...

The quality characteristics of pH, total acidity, and color of Kimchi juice and organoleptic properties of taste, odor and texture were studied for their changes during Kimchi fermentation. Kimchi was prepared by salting in 15% NaCl solution for 2 hours followed by addition of other spices and fermentation at $4-35^{\circ}C$. The results of pH decrease and acidity increase suggested that Kimchi fermentation can be classified into 3 steps of initial, intermediate and final stages. The activation energyes calculated from the intermediate stage where pH decreased rapidly were 15.67Kcal/mole for pH change and 18.99Kcal/mole for acidity change. The Hunter color values of Kimchi liquid showed that it becomes a weak greenish bluecolor as the fermentation progressed. Sensory characteristics of fresh sourness taste and odor and fracturability of Kimchi were increased until pH reached approx. 4.0 and then decreased while moldy taste and odor was increased rapidly thereafter.

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