초록

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Abstract ▼ AI-Helper

Korean red ginseng tails was extracted with solutions having various ethanol concentration at the temperature range of 70-$100^{\circ}C$, Extraction was carried out for 1-5 times of 8 hours at given condition. Sensory properties and color of RG-Ext. were found to be significantly affected...

Korean red ginseng tails was extracted with solutions having various ethanol concentration at the temperature range of 70-$100^{\circ}C$, Extraction was carried out for 1-5 times of 8 hours at given condition. Sensory properties and color of RG-Ext. were found to be significantly affected by conditions of extraction. Absorbance at 490nm was decreased as the ethanol concentration increased, the increase in ethanol concentration also showed an increase in the Hunter's values of "L" and "b", and a decrease in "a" value indicating the color of RG-Ext. was changed to yellowish with less in darkness. Increase in extraction time and temperature caused darker brown color which is indicates a typical phenomena of non-enzymatic browning reaction. The flavor and bitternes of RG-Ext. were found to be significantly increased as the ethanol concentration increase, the generally responses of acceptance range of ethanol concentration was 30-70%.