Increase of Functional Saponin by Acidic Treatemnt and Temperature of Red Ginseng Extract

홍삼엑기스의 산(pH) 및 온도처리에 의한 기능성 사포닌 함량증대

  • In Jun-Gyo (Research Institute of Biotechnology, BioPia Co., Ltd) ;
  • Lee Bum-Soo (Research Institute of Biotechnology, BioPia Co., Ltd) ;
  • Kim Eun-Jeong (Research Institute of Biotechnology, BioPia Co., Ltd) ;
  • Park Myung-Han (Research Institute of Biotechnology, BioPia Co., Ltd) ;
  • Yang Deok-Chun (Dept. of Oriental Medicine Material and processing, Kyung Hee Univ.)
  • 인준교 ((주)바이오피아 생명공학연구소) ;
  • 이범수 ((주)바이오피아 생명공학연구소) ;
  • 김은정 ((주)바이오피아 생명공학연구소) ;
  • 박명한 ((주)바이오피아 생명공학연구소) ;
  • 양덕춘 (경희대학교 한방재료가공학과)
  • Published : 2006.02.01

Abstract

To increase the contents of functional ginsenosides by conversion, especially ginsenoside-$Rg_3$ and $Rh_2$, the extracts of red ginseng were treated with high temperature and citric acid or apricot extract. When the extracts were subject to $120^{\circ}C$ for 2 hours, the content of ginsenoside-$Rg_3$ was increased 2 times than in control. When the extracts were subject to $120^{\circ}C$ and acidic conditions adjusted with citric acid, the ginsenoside-$Rg_3$, was detected 2.8 times, but other ginsenoside were decreased heavily to 65%. When the extract were treated with for 12 hours at $80^{\circ}C$, the content of ginsenoside-$Rg_3$ was increased to 3.3 times, Also, when the red ginseng extracts were treated with apricot extract, the ginsenoside-$Rg_3$ was detected to 4 times than in control, but other ginsenoside were decreased lightly to 35%, not same as at the $120^{\circ}C$ treatment.

고기능성 홍삼사포닌성분의 함량을 증대시키기 위한 목적으로 홍삼엑스에 열처리, 산(acid)처리하여 그 가능성을 조사하였다. 산도를 조정하지 않은 무처리구(control, pH 4.4)에 $120^{\circ}C$ 열처리한 경우 ginsenoside-$Rg_3$의 함량이 약 2배 정도 증가였다. 구연산으로 pH 2.0으로 조정하고 온도처리한 처리구에서는 2.8배나 많은 ginsenoside-$Rg_3$ 성분이 증가하였으나 다른 유효한 사포닌의 파괴가 두드러져 처음 홍삼엑스에 함유되어 있던 총사포닌의 65% 정도가 소실되었다. $80^{\circ}C$에서 12시간 처리를 한 경우에는 pH를 2.5와 2.0로 조정한 처리구에서는 11.20 mg과 12.50 mg으로 홍삼엑스의 3.3 mg보다 3.3배 이상 ginsenoside-$Rg_3$ 성분이 변환되었다. Ginsenoside-$Rb_1,\;Rb_2$, Rc, Re, $Rg_1$의 함량이 산도가 높아짐에 따라서 급격히 소실되었고 홍삼 특이성분(ginsenoside-$Rg_3,\;Rh_2,\;Rh_1$)의 함량은 현저히 증가되었다. 매실엑스로 pH를 2.5로 조정한 처리구에서는 13.34 mg으로 홍삼엑스의 3.3 mg보다 4배 이상 변환된 것으로 분석되었다. 비록 31%정도의 total saponin의 감소가 있었으나 $120^{\circ}C$의 고온처리에서 처럼 다른 유효한 사포닌의 큰 손실 없이 $60^{\circ}C$에 12시간 처리하는 것만으로도 다량의 ginsenoside-$Rg_3$를 생산하는 것을 확인하였다.

Keywords

References

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