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녹차를 이용하여 재배한 팽이버섯의 이화학적 특성

Physicochemical Properties of Mushroom (Flammulina velutipes) Cultivated with Green Tea

  • 발행 : 2008.02.29

초록

팽이버섯 배지에 녹차 분말 또는 녹차 조카테킨 추출물을 농도별로 첨가하여 팽이버섯 자실체를 형성시킨 후 자실체의 이화학적 특성을 조사하였다. 버섯의 수확량은 무첨가구에서 최고의 수량을 보였으며 녹차분말 10% 첨가구에서 가장 낮은 값을 나타낸 반면, 경도는 무첨가구에서 가장 낮았고 녹차 분말 5% 및 10% 첨가구와 녹차 조카테킨 첨가구에서 높게 나타났다. 카테킨 및 카페인 함량 분석은 팽이버섯 추출물을 용매분획한 후 HPLC로 정량한 결과, 모든 시험구에서 카테킨은 검출되지 않았으며 총 폴리페놀 함량 또한 각 처리구간에 유의적 차이가 없는 것으로 나타나 카테킨 등 폴리페놀성 물질의 팽이버섯으로의 이행은 거의 없는 것으로 판단된다. 반면 카페인은 팽이버섯으로 이행되어 녹차 분말 무첨가구는 $2.12\;{\mu}g/g$, 녹차분말 10% 첨가구는 $196.23\;{\mu}g/g$이 검출되었다. 전자코를 이용한 향기패턴 분석 결과는 녹차 첨가에 의해 머무름 시간 3초와 6초 사이에 새로운 peak가 생성되었음을 알 수 있었으며, 녹차 10% 첨가구에서는 뚜렷한 향기의 변화가 있는 것을 확인할 수 있었다. 즉, 팽이버섯 배지에 녹차분말 또는 녹차 조카테킨 추출물 첨가에 의해 버섯의 경도가 증가되었으며 녹차 성분 중 카페인이 이행되어 새로운 기능성 버섯을 생산할 수 있을 것으로 사료되었다.

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피인용 문헌

  1. Food Functional Properties of Pleurotus eryngii Cultivated with Different Wavelength of LED Lights vol.19, pp.5, 2012, https://doi.org/10.11002/kjfp.2012.19.5.645
  2. Effect of Flammulina velutipes Extracts Cultivated with Oriental Herbal Plants on the Activation of Immune Cells vol.22, pp.6, 2012, https://doi.org/10.5352/JLS.2012.22.6.828