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Cultivar Selection for Peanut Sprouts and Investigation on the Growth Stage for the High Level of Resveratrol

땅콩나물용 품종선발과 고함량 레스베라트롤 생육단계 구명

  • Park, Eun-Ji (Dept. of Horticultural Bioscience, Pusan National University) ;
  • Lee, Gyu-Bin (Dept. of Horticultural Bioscience, Pusan National University) ;
  • Heo, You (Dept. of Horticultural Bioscience, Pusan National University) ;
  • Son, Beung-Gu (Dept. of Horticultural Bioscience, Pusan National University) ;
  • Choi, Young-Whan (Dept. of Horticultural Bioscience, Pusan National University) ;
  • Lee, Yong-Jae (Dept. of Horticultural Bioscience, Pusan National University) ;
  • Park, Young-Hoon (Dept. of Horticultural Bioscience, Pusan National University) ;
  • Lim, Chae-Shin (ATEC, Gyeongsangnamdo Agricultural Research and Extension Services) ;
  • Kang, Jum-Soon (Dept. of Horticultural Bioscience, Pusan National University)
  • 박은지 (부산대학교 원예생명과학과) ;
  • 이규빈 (부산대학교 원예생명과학과) ;
  • 허유 (부산대학교 원예생명과학과) ;
  • 손병구 (부산대학교 원예생명과학과) ;
  • 최영환 (부산대학교 원예생명과학과) ;
  • 이용재 (부산대학교 원예생명과학과) ;
  • 박영훈 (부산대학교 원예생명과학과) ;
  • 임채신 (경남농업기술원) ;
  • 강점순 (부산대학교 원예생명과학과)
  • Received : 2015.02.02
  • Accepted : 2015.04.01
  • Published : 2015.06.30

Abstract

This study was conducted to find out optimum cultivars, and growth temperature and stage in peanut sprout for resveratrol production. Morphological characteristic, days to 50% of the final germination percentage($T_{50}$) and early growth vigor were measured in 8 different peanut varieties. In result 'Jopyeong' appeared to be the most appropriate cultivar for peanut production because of its lower contamination rate, lesser lateral root formation, and thicker hypocotyl length. Optimum temperature for growing peanut sprouts was determined 27. Content of resveratrol was examined by high performance liquid chromatography(HPLC) to investigate appropriate growth stage of peanut sprouts for resveratrol production. Resveratrol was higher than $17.0{\mu}g/g$ in peanuts sprouts 9 days after plating. Considering peanut sprout's shapes and content of resveratrol into account, it was most appropriate to harvest in 9-day after germination.

땅콩나물의 재배에 적합한 온도와 품종, 그리고 최적 레스베라트롤 생산을 위한 생육단계를 구명하고자 본 연구를 수행하였다. 땅콩나물용 적정품종을 선발하고자 8가지 국내외 육성품종의 외형적 특징, 발아율, 발아세, 유묘활력을 조사하였다. 그 결과 소비자의 요구를 반영하여 세근 발생량이 낮고 하배축이 굵은 '조평'이 가장 적절하였고, 땅콩나물 재배에 적합한 온도는 $27^{\circ}C$로 판단되었다. 레스베라트롤 함량이 높은 땅콩나물의 적정 생육시기를 구명하고자 치상 후 생육조사와 동시에 HPLC를 이용한 레스베라트롤 함량을 조사한 결과 레스베라트롤은 치상 후 9일차에 $17.0{\mu}g/g$ 이상의 높은 함유량을 나타내었다. 따라서 땅콩나물은 생산적 측면과 레스베라트롤의 함량을 고려했을 때 치상 후 9일차에 땅콩나물을 수확하는 것이 가장 적합할 것으로 판단된다.

Keywords

References

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