Horticultural Science & Technology (원예과학기술지)

Korean Society of Horticultural Science (한국원예학회)
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Antioxidant Activities of Young and Mature Fruit in Three Asian Pear Cultivars

동양배 품종별 유과기와 수확기 과실의 항산화 활성

  • Park, Yeon-Ok (Pear Research Station, National Institute of Horticultural & Herbal Science) ;
  • Choi, Jang-Jeon (Pear Research Station, National Institute of Horticultural & Herbal Science) ;
  • Choi, Jin-Ho (Pear Research Station, National Institute of Horticultural & Herbal Science) ;
  • Kim, Myung-Su (Pear Research Station, National Institute of Horticultural & Herbal Science) ;
  • Yim, Sun-Hee (Pear Research Station, National Institute of Horticultural & Herbal Science) ;
  • Lee, Han-Chan (Pear Research Station, National Institute of Horticultural & Herbal Science)
  • 박연옥 (국립원예특작과학원 배시험장) ;
  • 최장전 (국립원예특작과학원 배시험장) ;
  • 최진호 (국립원예특작과학원 배시험장) ;
  • 김명수 (국립원예특작과학원 배시험장) ;
  • 임순희 (국립원예특작과학원 배시험장) ;
  • 이한찬 (국립원예특작과학원 배시험장)
  • Received : 2011.08.22
  • Accepted : 2011.12.13
  • Published : 2012.04.30
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Abstract

This study was performed to compare antioxidant activities of 80% EtOH extracts from young and mature fruit of three pear cultivars ('Wonhwang', 'Whangkeumbae', and 'Chuwhangbae') classified by three parts (peel, core, and flesh) of mature fruit. The total phenolics compound and flavonoid contents of 80% EtOH extracts from young fruit were 1.5-2.5 times higher than the mature fruit with great cultivar difference. In particular, the contents of those compounds were highest in 'Chuwhangbae' pear. The total phenolics compound and flavonoid contents of 80% EtOH extracts from mature fruit were the most in the peel, core, and flesh respectively. DPPH radical scavenging and $ABTS^+$ radical scavenging of 80% EtOH extracts from the young fruit were higher than the mature fruit of 'Chuwhangbae' pear. DPPH radical scavenging and ABTS+ radical scavenging of 80% EtOH extracts from mature fruit were the highest in the peel, core, and flesh respectively.

본 연구에서는 '원황', '황금배', '추황배' 등 신육성 품종을 이용하여 유과기와 수확기의 과실 및 부위별 항산화 활성을 비교하였다. 품종별 총 폴리페놀 화합물과 플라보노이드 함량은 유과기 과실이 수확기 과실에 비해 1.5-2.5배 많았는데 특히 '추황배'의 함량이 높게 조사되었다. 수확기 과실의 부위별 총 폴리페놀 화합물과 플라보노이드의 함량은 과피, 과심, 과육의 순으로 측정되었다. DPPH radical 소거능과 ABTS 양이온 소거활성은 유과기가 수확기보다 활성이 높았으며 두 시기 모두 '추황배'의 라디칼 소거능이 가장 우수하였다. 또한 수확기 과실 부위별 DPPH radical 소거능과 $ABTS^+$ 양이온 소거활성은 과피가 가장 높았고 과심, 과육 순으로 나타났다

Keywords

References

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