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Variation of Phenolic Ingredient and Ginsenoside Content in Red ginseng Extract by Acid Treatment

Ascorbic acid 및 citric acid 처리에 따른 홍삼추출물의 페놀성 성분 및 ginsenoside 함량 변화

  • Published : 2009.09.30

Abstract

The changes that would occur in a content of five phenolic ingredients and eight ginsenosides in acid-treatedred ginseng extracts were measured in this study. Acid-treated-red ginseng was prepared by treating with 1 M ascorbic acid or citric acid for 20 min. As a result, the contents of esculetin and quercetin in citric acid-treated-red ginseng increased by 3.5 times and 2.0 times, respectively, compared with control red ginseng. However, all phenolic ingredients decreased after treatment with ascorbic acid. In addition, the contents of ginsenoside Rg$_3$, Rh$_2$, Rd increased but those of Rb$_1$, Rc, Re, Rf, Rg$_1$ decreased after acid treatment. Although these tendency of results are similar, the rate of change of ginsenosides in citric acid-treated-red ginseng was higher than in ascorbic acid-treated-red ginseng. These results indicated that citric acid is more effective in the conversion of ginseng ingredients than ascorbic acid.

본 연구에서는 수삼을 식품에 쓰이는 산화 방지제인 ascorbic acid와 citric acid로 처리하여 홍삼을 제조한 후 활성성분인 페놀화합물과 진세노사이드의 추출물내 함량 변화를 HPLC를 이용하여 살펴보았다. 분석결과 citric acid 처리 홍삼에서 esculetin과 quercetin 함량이 무처리 홍삼에 비하여 각각 3.5 배, 2.0 배 증가하였고 ginsenoside 함량 역시 citric acid 처리시의 Rg$_3$, Rd, Rh$_2$ 증가량이 ascobic acid 처리시에 비하여 높았다. 따라서 인삼추출물의 이들 특정활성성분 강화를 위하여는 citric acid 처리가 효과적인 것으로 판단된다.

Keywords

References

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