Current Research on Agriculture and Life Sciences

  • Volume 11
  • /
  • Pages.19-23
  • /
  • 1993
  • /
  • 2287-271X(pISSN)
  • /
  • 2288-0356(eISSN)
Institute of Agricultural Science and Technology, Kyungpook National University (경북대학교 농업과학기술연구소)
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The Contents of Inorganic Constituents, Free Sugars and Catalpol in the Rhizoma of Rehmannia glutinosa at Different Growth Stages

지황(地黃)(Rehmannia glutinosa)뿌리 중(中) 무기성분(無機成分), 유리당류(遊離糖類) 및 Catalpol의 생육시기별(生育時期別) 함량변화(含量變化)

  • Chang, Sang Moon (Dept. of Agricultural Chemistry, Kyungpook National University) ;
  • Kang, Shin Syung (Dept. of Ginseng, Coll. of Choongbu Industry) ;
  • Choi, Jyung (Dept. of Agricultural Chemistry, Kyungpook National University)
  • 장상문 (경북대학교 농화학과) ;
  • 강신정 (중부사회산업대학 자원식물학과) ;
  • 최정 (경북대학교 농화학과)
  • Published : 1993.12.30
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Abstract

This study was conducted to investigate contents of inorganic constituents, free sugars and catalpol in the Rhizoma of Rehmannia glutinosa as different growth stages. With the approach of harvesting season, the variations of their contents were as follow. The contents of P, K, Ca, Mg, Cu and ash in the Rhizoma decreased, whereas the contents of Fe, water and ethanol extract increased. The contents of total sugar, sucrose and galactose in the Rhizoma decreased, but the fructose and catalpol contents in the Rhizoma were increased.

지황(地黃)의 주(主) 약효성분(藥效成分)으로 알려져 있는 catalpol의 iridoid골격(骨格)과 glycosidic bond를 형성(形成)하는 유리당류(遊離糖類)를 확인(確認)하기 위하여 생육시기(生有時期)에 따른 무기성분(無記性分), 유리당류(遊離糖類), 회분(灰分), 엑기스 및 catalpol의 함량(含量)을 조사(調査)하였다. 수확기(收穫期)가 가까워질수록 P, K, Ca, Mg, Cu 및 회분(灰分)의 함량(含量)은 감소(減少)하였으나, Fe 및 엑기스의 함량(含量)은 증가(增加)하였다. 수확기(收穫期)가 가까워질수록 전당(全糖), sucrose 및 galactose의 함량(含量)은 감소(減少)하였으나, fructose 및 catalpol의 함량(含量)은 증가(增加)하였다.

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