한국작물학회지 (KOREAN JOURNAL OF CROP SCIENCE)

  • 제67권4호
  • /
  • Pages.296-304
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  • 2022
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  • 0252-9777(pISSN)
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  • 2287-8432(eISSN)
한국작물학회 (The Korean Society of Crop Science)
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토성에 따른 도라지뿌리의 생육과 성분함량 변화

Changes in Growth and Saponin Content in Roots of Bellflower (Platycodon grandiflorum (JACQ.) A. DC.) with Different Soil Textures

  • 박미영 (한국방송통신대학교 농학과) ;
  • 김용철 (부산대학교 식물생명과학과) ;
  • 권순욱 (부산대학교 식물생명과학과) ;
  • 류수노 (한국방송통신대학교 농학과) ;
  • 함태호 (한국방송통신대학교 농학과)
  • Mi-young Park (Department of Agricultural Science, Korea National Open University) ;
  • Yong Chul Kim (Department of Plant Bioscience, Pusan National University) ;
  • Soon-Wook Kwon (Department of Plant Bioscience, Pusan National University) ;
  • Su-Noh Ryu (Department of Agricultural Science, Korea National Open University) ;
  • Tae-ho Ham (Department of Agricultural Science, Korea National Open University)
  • 투고 : 2022.11.04
  • 심사 : 2022.11.11
  • 발행 : 2022.12.01
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초록

최근 건강에 관한 관심이 증대됨에 따라 자연식품을 선호하는 쪽으로 변화하고 있는데, 우리나라에서 자생하고 있는 약용작물은 지역 토질과 기후에 따라 독특한 약효를 지니고 있다. 따라서, 본 연구는 도라지뿌리 재배에 관한 기초적인 연구 자료로 활용하여 도라지뿌리의 약효 성분을 극대화하고자 토성에 따른 도라지뿌리의 생육 및 사포닌 함량을 조사하였으며, 그 결과는 다음과 같다. 1. 재배 토성별 도라지뿌리의 생육조사에서는 지상부는 양질사토 > 사양토 > 배합토 > 마사토 순이었고, 지하부는 양질사토 > 배합토 > 사양토 > 마사토 순이었다. 2. 일반성분은 평균적으로 수분은 77.3%, 조지방은 2.6%, 조회분은 3.2%, 조단백질은 6.0%, 탄수화물은 10.9%의 함량을 보였다. 3. 도라지뿌리의 사포닌 분석 결과 platycodin D > platycodin D3 > polygalacin D > deapioplatycodin D 순이었고, 각 각 282.4, 104.7, 29.1, 19.1 mg/100g으로 나타났다. 재배 토성별 결과는 platycodin D, polygalacin D, deapioplatycodin D는 배합토와 사양토에서 높았고, platycodin D3는 모든 토양에서 유사한 함량을 보였다.

To maximize the medicinal properties of bellflower root (Platycodi radix), its growth and development according to soil texture were investigated using four types of soil: masato (decomposed granite), soil mix, loamy sand, and sandy loam. Saponin content was measured. With regard to bellflower root growth depending on soil texture, its growth was better in the order of loamy sand > sandy loam > soil mix > masato in the above-ground part, and loamy sand > soil mix > sandy loam > masato in the underground part in the order. The average content of general ingredients were 77.3% water, 2.6% crude fat, 3.2% crude flour, 6.0% crude protein, and 10.9% carbohydrates. With respect to saponin analysis of bellflower roots, the saponin content regarding platycodin D, platycodin D3, polygalacin D, and deapioplatycodin D were higher in the order of 282.4, 104.7, 29.1, 19.1 mg/100 g, respectively. The content of organic matter and phosphoric acid was high in soil mix and sandy loam, and platycodin D3 showed similar levels in all soil types. As a result, the soil mix is considered most suitable in terms of yield and component levels, however, it is the most expensive type. As a replacement, sandy loam was adequate in terms of fresh weight related to yield and highest saponin content.

키워드

과제정보

이 과제는 부산대학교 기본연구지원사업(2년)에 의하여 연구되었음

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