Analysis of the Extraction Condition of Soluble Acidic Polysaccharides from Ginseng Marc

인삼박으로부터 수용성 산성다당체의 추출 조건 분석

  • Choi, You-Jin (Plant Resources Research Institute, Duksung Women's University) ;
  • Hwang, Keum-Hee (Plant Resources Research Institute, Duksung Women's University)
  • 최유진 (덕성여자대학교 식물자원연구소) ;
  • 황금희 (덕성여자대학교 식물자원연구소)
  • Received : 2010.12.17
  • Accepted : 2011.03.15
  • Published : 2011.03.31

Abstract

This study was carried out to investigate the optimum conditions for extraction of soluble acidic polysaccharides from ginseng marc. Method of carbazole-sulfuric acid was applied to determine the amount of acidic polysaccharides in ginseng marc. The amounts of soluble acidic polysaccharides in water extract of ginseng marc were increased with increasing extraction temperature. The contents of acidic polysaccharides were not significantly different despite the extraction time increasing from 0.5 hours to 6 hours. To estimate the rehydration rate of the freeze dried polysaccharide, the extracted acidic polysaccharide fraction powder was determined the amount of soluble acidic polysaccharides by carbazole-sulfuric acid method again. The rehydration rate of acidic polysaccharides from water-extract of red ginseng marc at room temperature was 100%. On the other hand, the rehydration rate of acidic polysaccharide of red ginseng marc at boiling temperature was about 50%. The rehydration rate of acidic polysaccharides from water-extract of white ginseng marc at room temperature was 50%. The rehydration rate of acidic polysaccharide of red ginseng marc at boiling temperature was about 40%. The rate of soluble acidic polysaccharide of Red Ginseng is higher than that of White Ginseng. We can find out the maximum extraction method of soluble acidic polysaccharide from ginseng marc.

Acknowledgement

Supported by : 한국연구재단

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