한국자원식물학회지 (Korean Journal of Plant Resources)

  • 제20권1호
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  • Pages.38-42
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  • 2007
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  • 1226-3591(pISSN)
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  • 2287-8203(eISSN)
한국자원식물학회 (The Plant Resources Society of Korea)
권호 표지

친환경 버섯배지에 녹차 잔류물의 처리가 새송이버섯의 생장 및 Catechin류 함량에 미치는 영향

Effects of Green Tea Residue Treatment in Eco-Friendly Medium on Growth and Catechin Content of Pleurotus eryngii

  • 천상욱 (광주과학기술원 창업기술지원센터 (주)캐러스) ;
  • 김영민 (동신대학교 생물자원산업화지원센터 (주)동의나라) ;
  • 윤대령 (함평버섯연구소)
  • Chon, Sang-Uk (Call us Co. Ltd., TBI Center, Gwangju Institute of Science and Technology) ;
  • Kim, Young-Min (Donguinara Co. Ltd., Biotechnology Industrialization Center, Dongshin University) ;
  • Yun, Dae-Ryung (Hampyung Mushroom Research Institute)
  • 발행 : 2007.02.28
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초록

The present study was conducted to investigate the translocation of polyphenols, especially catechin derivatives, from mushroom medium mixed with green tea residues into fruiting body of Pleurotus eryngii. Pleurotus eryngii was grown on the media incorporated by mixing or surface-treated with dry materials including leaf petioles and young stems or leaves of green tea. The dry materials treated in medium did not affect plant height and fresh weight of Pleurotus eryngii body. From the samples of Pleurotus eryngii, the eight main catechin derivatives (-)-gallocatechin(GC), (+)-catechin (C), (-)-epicatechin (EC), (-)-epigallocatechin (EGC), (-)-epigallocatechin gallate (EGCG), (-)-gallocatechin gallate (GCG), (-)-epicatechin gallate (ECG), and (-)-catechin gallate (EGCG), and caffeine were analyzed quantitatively by HPLC. The results showed that EGC in Pleurotus eryngii was 45% more detected, when incorporated with the dry materials, than untreated control. Especially, content of EGCG was increased in surface-treated Pleurotus eryngii up to 3.2 ppm, while it was not detected or reduced in control and other treatments. Caffeine content was greatly increased regardless of treatment method, compared with control (0.1ppm), showing 44 fold-amount in Pleurotus eryngii at early growth stage when incorporated with the dry materials into medium. The results indicates that functional catechin derivatives of green tea would be partly translocated into Pleurotus eryngii throught incorporation and surface treatment with residues of green tea plants.

키워드

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