Horticultural Science & Technology (원예과학기술지)

Korean Society of Horticultural Science (한국원예학회)
권호 표지

Comparison of Bioactive Compounds Contents in Different Fruit Tissues of June-bearing Strawberry Cultivars

일계성 딸기 과실의 부위에 따른 바이오 활성 화합물 함량 비교

  • Kim, Sung-Kyeom (Department of Plant Science, Seoul National University) ;
  • Bae, Ro-Na (National Instrumentation Center for Environmental Management, Seoul National University) ;
  • Hwang, Hyun-Seung (Department of Plant Science, Seoul National University) ;
  • Kim, Moo-Jung (Research Institute for Agriculture and Life Sciences, Seoul National University) ;
  • Sung, Hye-Ryeong (Department of Plant Science, Seoul National University) ;
  • Chun, Chang-Hoo (Department of Plant Science, Seoul National University)
  • 김성겸 (서울대학교 식물생산과학부) ;
  • 배로나 (서울대학교 농생명과학공동기기원) ;
  • 황현승 (서울대학교 식물생산과학부) ;
  • 김무정 (서울대학교 농업생명과학연구원) ;
  • 성혜령 (서울대학교 식물생산과학부) ;
  • 전창후 (서울대학교 식물생산과학부)
  • Received : 2010.08.09
  • Accepted : 2010.10.15
  • Published : 2010.12.31
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Abstract

We evaluated the bioactive compounds including carbohydrates (CH), organic acids (OA), ascorbic acid (AA), anthocyanin (AC), and ellagic acid (EA) in the achenes, epidermis, and flesh of fully ripe strawberry fruits of the 'Maehyang', 'Seolhyang', 'Keumhyang', 'Akiheme', and 'Red pearl' cultivars. The total contents of CH, OA, AA, and AC were significantly greater in the epidermis than in other tissues, while the EA content was significantly greater in the achenes than in other tissues. The AA content of the epidermis ranged from $49.1-69.2mg{\cdot}100g^{-1}$ FW and was significantly greater than the content of the flesh, while AA was not detected in the achenes of any of the tested strawberry cultivars. The AA contents of the epidermis and flesh of the 'Maehyang' were 69.2 and $42.2mg{\cdot}100g^{-1}$ FW, respectively, and were greater than those of the other cultivars. The AC contents in the epidermis and achenes of the 'Keumhyang' were $74.0mg{\cdot}100g^{-1}$ FW and $36.7mg{\cdot}100g^{-1}$ DW, respectively, greater than those of the other cultivars. The EA content of the achenes of the 'Seolhyang' was $215.5mg{\cdot}100g^{-1}$ DW, significantly greater than those of the other cultivars. Results indicate that the antioxidant levels and other chemical compounds of strawberry fruits vary significantly among different fruit tissues. Our results also suggest that the recently introduced Korean 'Maehyang', 'Seolhyang', and 'Keumhyang' contain higher levels of antioxidants than other major June-bearing strawberry cultivars. These cultivars are feasible selections for both growers and consumers.

'매향', '설향', '금향', '아키히메'와 '레드펄' 딸기 과실 부위에서 환원당, 유기산, 아스코르빈산, 안토시아닌 및 엘라직산의 함량을 비교하였다. 환원당, 유기산, 아스코르빈산 및 안토시아닌 함량은 딸기 표피에서 다른 부위의 함량 보다 유의하게 높았으나 엘라직산의 함량은 딸기 수과에서 높았다. '매향' 딸기의 표피 및 과육에서 아스코르빈산 함량은 각각 69.2와 $42.2mg{\cdot}100g^{-1}$ FW로 다른 품종에 비해 높았다. 그리고 '금향' 딸기의 표피 및 수과에서 안토시아닌 함량은 각각 $74.0mg{\cdot}100g^{-1}$ FW과 $36.7mg{\cdot}100g^{-1}$ DW으로 타 품종에 비해 유의하게 높았으며 '설향' 딸기 수과에서 엘라직산의 함량은 $215.5mg{\cdot}100g^{-1}$ DW로 타 품종에 비해 유의하게 높았다. 딸기 과실의 부위에 따라 바이오 활성 화합물들의 함량은 크게 차이가 있었으며 '매향', '설향' 및 '금향' 딸기 품종은 바이오 활성 화합물들의 함량이 높아 소비자들에게는 고품질 딸기로 인식될 수 있어 국내 육성 품종 딸기의 보급이 확산될 것으로 기대된다. 그리고 본 기초적 결과들은 딸기 가공 분야 및 영양학 연구 분야에도 유용하게 활용될 것으로 판단된다.

Keywords

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