Comparison of Quercetin and Souble Tannin in Houttuynia cordata $T_{HUNB}.$ according to Growth Stages and Plant Parts

어성초 생육 시기 및 부위별 Quercetin과 Tannin 함량 비교

  • Lee, Seong-Tae (Gyeongnam Agricultural Research and Extension Services) ;
  • Lee, Young-Han (Gyeongnam Agricultural Research and Extension Services) ;
  • Choi, Yong-Jo (Gyeongnam Agricultural Research and Extension Services) ;
  • Shon, Gil-Man (Gyeongnam Agricultural Research and Extension Services) ;
  • Lee, Hong-Jae (Water Quality Analysis Center, Jinju National Univ.) ;
  • Heo, Jong-Soo (Dept. of Agricultural Chemistry, Gyeongsang National Univ.) ;
  • Published : 2002.03.31

Abstract

Concentration of quercetin and soluble tannin in Houttuynia cordata were determined at different growth stages as well as plant parts and application amounts of compost. Both contents of quercetin and tannin at growth stages were decreased before flowering time but slightly increased after flowering. The both contents of components in Houttuynia cordata collected on April 20 were shown to be markedly increased compared to those collected in May or June. The contents of quercetin and tannin at different organs were the highest in the flower. In the experiment of application amounts of compost, as application amounts is increased, fresh weight of aerial part was increased but the contents of quercetin and tannin were decreased. The contents of quercetin and tannin were the highest with 0.67% and 2.3%, respectively, in the compost non-treatment.

약용작물은 재배환경, 재배방법, 생육 시기 및 부위별로 약리성분 함량에 차이가 많은데, 이뇨, 진통, 지혈, 조직재생 및 혈관확장 등의 약리효과가 있다고 보고된 어성초를 생육 시기별, 부위별 및 퇴비 시용량별로 유효성분 함량을 분석한 결과는 다음과 같다. 생육 시기별 quercetin 및 tannin 함량은 생육 초기인 4월 20일에 채취하였을 때 각각 0.72, 2.1%로 함량이 가장 높았으며, 개화기 전까지 감소하다가 개화기 이후로 증가하였다. 부위별 quercetin 및 tannin 함량은 꽃에서 2.06, 5.3%로 가장 높았으며, 잎, 줄기, 뿌리 중에서는 잎에서 각각 0.81 및 2.3%로 높았다. 퇴비 시용량별 어성초의 quercetin 및 tannin함량은 무처리구에서 각각 0.67 및 2.3%로 가장 높았고, 퇴비시용량이 증가할 수록 지상부 수량은 증가하였으나 유효성분 함량은 감소하였다.

Keywords

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