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Effects of Organic fertilizer Application on Growth and Medicinal ingredients of Platycodon grandiflorum Radix

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한국유기농업학회지 (Korea Journal of Organic Agriculture)
한국유기농업학회 (Korea Association Of Organic Agriculture)
초록

This study was conducted to elucidate the effect of organic fertilizer on growth characteristics, saponin contents and antioxident activity of Platycodin grandiflorum Ridix roots for organic farming. As basal fertilizers, chemical fertilizer, mixed organic fertilizer, bacterial cultures and fermented oil cake and decomposed manure were treated based on 3 ㎏/10a level before transplanting Platycodin grandiflorum Ridix. In root length, when chemical fertilizer plot and mixed organic fertilizer plot were treated, root length was recorded the highest scores (25.3 and 24.0 ㎝) Root width was recorded the highest score (26.6 ㎝) in chemical fertilizer plot. The number of fine-roots was the highest in mixed organic fertilizer plot and chemical fertilizer plot (20.0 and 17.0), respectively. Fresh weight, which affects directly yield, was the highest in organic fertilizer plot (55.7 g/plant). The content of Platycodin D was shown to 327.4~373.8 ㎎/100 g, the highest values were observed in organic fertilizer plot. The total polyphenol and flavonoid contents were recorded the highest scores (15.5 and 15.3 mg/g, respectively) in organic fertilizer plot. In this study we confirmed that application of organic fertilizer was effective to increase yield and pharmacological effect through increase of the number of fine-roots with high saponin contents.

목차
Ⅰ. 서 론
 Ⅱ. 재료 및 방법
  1. 실험재료
  2. 도라지 뿌리의 생육특성
  3. 무기물 함량
  4. 사포닌 함량
  5. 항산화성분 함량
  6. ABTS 및 DPPH 라디칼 소거활성 측정
  7. 통계분석
 Ⅲ. 결과 및 고찰
  1. 도라지 뿌리특성
  2. 도라지 무기성분 함량
  3. 사포닌 함량
  4. 항산화성분 함량
  5. 항산화 활성변화
  6. 도라지 절단 길이에 따른 사포닌 함량, 항산화 성분들이 함량과 항산화 활성과의상관관계
 Ⅳ. 적 요
 References
저자
  • 전승호(경남과학기술대학교 종자실용화연구소) | Jeon Seung-Ho
  • 노일래(경상대학교 농학과(농업생명과학연구원)) | No Il-Rae
  • 김영국(농촌진흥청 국립원예특작과학원 인삼특작부) | Kim Young-Guk
  • 조영손(경남과학기술대학교 농학․한약자원학부) | Cho Young-Son Corresponding author