Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Fragrance Pattern and Volatile Components According to Floral Organs in Cymbidium

화기 부위에 따른 심비디움의 향기 패턴 및 성분 분석

  • Kim, Yae Jin (Floriculture Research Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Ahn, Myung Suk (Floriculture Research Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Lee, Su Young (Floriculture Research Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Park, Pil Man (Floriculture Research Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • An, Hye Ryun (Floriculture Research Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Park, Pue Hee (Floriculture Research Division, National Institute of Horticultural and Herbal Science, RDA)
  • 김예진 (농촌진흥청 국립원예특작과학원 화훼과) ;
  • 안명숙 (농촌진흥청 국립원예특작과학원 화훼과) ;
  • 이수영 (농촌진흥청 국립원예특작과학원 화훼과) ;
  • 박필만 (농촌진흥청 국립원예특작과학원 화훼과) ;
  • 안혜련 (농촌진흥청 국립원예특작과학원 화훼과) ;
  • 박부희 (농촌진흥청 국립원예특작과학원 화훼과)
  • Received : 2021.11.04
  • Accepted : 2022.03.14
  • Published : 2022.04.01
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Abstract

This study was conducted to analyze the fragrance characteristics of Cymbidium 'Saelbit' and 'Midan' according to floral organs. As test materials, full bloom flowers were divided into four organs: sepal, petal, labellum, and column. Using the gas chromatography (GC) based electronic nose, fragrance patterns, intensity, and volatile components were analyzed. Principle component analysis (PCA) and discriminant factorial analysis (DFA) plots by electronic nose data showed that volatiles of both cultivars have a distinct difference in fragrance patterns according to the floral organs, and the value of fragrance distance and pattern discrimination index (PDI) between samples was significantly high between control and sepals in both cultivars. Among the main fragrance components, several components including nootkatone were detected in both cultivars and all floral organs. However, few components such as decane were found in specific cultivar or floral organs. These results will provide useful information to select suitable materials with desired fragrance and to enhance the utilization of domestic Cymbidium cultivars. In addition, considering the recent negative perception of artificial ingredients and the growing demand for natural materials, continuous researches on scent properties of promising cultivars are required.

본 연구는 화기 부위에 따른 국산 심비디움 '샐빛'과 '미단'의 향기 특성을 분석하고자 수행하였다. 시험 재료로 국립원예특작과학원 화훼과 시험포장에서 재배한 만개한 꽃을 꽃잎, 꽃받침, 순판, 컬럼으로 나누어 GC 기반 전자코를 통해 향기 패턴과 주요 향기 성분을 분석하였다. 그 결과, 두 품종 모두 화기 부위에 따라 PCA와 DFA plot에서 뚜렷한 향기 패턴 차이를 보였고, 각 화기 부위별 무취공기 대조구 간의 기하학적 거리는 꽃받침이 가장 멀었으며, 향기패턴 식별지수(PDI) 또한 대조구와 꽃받침 사이에서 가장 높게 나타났다. 주요 향기 성분 중 nootkatone 등의 성분은 '샐빛'과 '미단' 두 품종 모두네 개의 화기조직에서 공통적으로 검출된 반면, '미단'에서만 검출되는 decane과 같이 일부 성분은 특정 품종이나 화기 부위에서만 특이적으로 발견되었다. 따라서 본 연구결과는 품종과 화기 부위에 따른 향기패턴과 주요 향기 성분을 확인함으로써 향기 산업에 필요한 효율적인 원료 선택과 국산 품종의 이용 확대를 위해 유용한 정보를 제공할 것으로 기대된다. 특히 최근 인공 가향제에 대한 부정적 인식과 천연 향기 원료에 대한 수요가 증가하는 점을 감안했을 때, 앞으로도 지속적인 유향성 난 품종 육성과 이를 산업적으로 활용하기 위한 향기 연구가 필요할 것으로 생각된다.

Keywords

Acknowledgement

본 연구는 농촌진흥청 연구사업(과제번호: PJ01098204)의 지원에 의해 수행된 결과입니다. 이에 감사드립니다.

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