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자료유형
학술저널
저자정보
저널정보
고려인삼학회 Journal of Ginseng Research 고려인삼학회지 제27권 제2호
발행연도
2003.6
수록면
72 - 77 (6page)

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The six-year old fresh ginseng collected at earlier October was stored for 10 weeks in the condition of 4℃± 1℃ and RH 87~92%, and the chemical components were investigated in an interval of one week by taking sample of it after making it to the freeze-dryed ginseng and the red ginseng. The total sugar content of the red ginseng was a little reduced as the period of storage elapsed, and the reducing sugar content was 1.48% before it was stored and was increased to 23.33% after 10 weeks of storage. For the free sugar of the red ginseng, the content of the fructose was increased, but
the contents of the glucose and the sucrose were gradually decreased after it was a little increased. The content of the maltose was 6.62% before storage and it was gradually decreased. For the free sugar of the freeze-dryed ginseng, the contents
of the fructose, the glucose and the sucrose were increased. Especially the content of the sucrose was 10.96% before it
was stored and was a increased to 24.38% after 7 weeks of storage, and the content of maltose was not detected. The yield of water extract was a little high at 7-8 weeks of storage and the pH was a little high at 3-4 weeks of storage. The turbidity was not changed for the freeze-dryed ginseng but was decreased for the red ginseng The water non-soluble protein was not detected in the red ginseng, and for the freeze-dryed ginseng the water non-soluble protein was reduced and the water soluble protein was increased as the period of storage was elapsed. The contents of the phenolic compounds for the red ginseng and the freeze-dryed ginseng and have their peak values after 7 and 9 weeks of storage respectively, and the
amount of phenolic compounds was larger for the red ginseng. For the content of the non-volatile organic acids, the content of the citric acid was decreased both for the red ginseng and the freeze-dryed ginseng, and the contents of the glutmatic acid and the pyruvic acid were very small for the freeze-dryed ginseng, but were detected in the red ginseng at a maximum value of 37 μg/g and 592 μg/g respectively.

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