Journal of Bio-Environment Control (생물환경조절학회지)

The Korean Society for Bio-Environment Control (한국생물환경조절학회)
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Comparison of Antioxidant Activities and Carotenoid Contents Between Marketable and Unmarketable Sweet Pepper Fruits

파프리카 상품과 및 비상품과의 항산화 활성 및 카로티노이드 함량 비교

  • Yoon, Seungri (Protected Horticulture Researcher Institute, NIHHS) ;
  • Kim, Jin Hyun (Protected Horticulture Researcher Institute, NIHHS) ;
  • Shin, Minju (Protected Horticulture Researcher Institute, NIHHS) ;
  • Jeong, Ho Jeong (Protected Horticulture Researcher Institute, NIHHS)
  • 윤승리 (농촌진흥청 국립원예특작과학원) ;
  • 김진현 (농촌진흥청 국립원예특작과학원) ;
  • 신민주 (농촌진흥청 국립원예특작과학원) ;
  • 정호정 (농촌진흥청 국립원예특작과학원)
  • Received : 2022.09.30
  • Accepted : 2022.10.18
  • Published : 2022.10.31
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Abstract

Postharvest quality of sweet pepper fruits was mainly defined as external appearance, i.e., shape, fruit weight and surface color. These quality traits tend to involve esthetic appeal, it disregards gustatory properties and nutritional value. However, comparative studies according to the marketability of sweet pepper fruits are insufficient. This study was carried out to compare the physicochemical components, antioxidant activity and carotenoid contents of marketable and unmarketable sweet pepper fruits (Capsicum annuum L.). Physicochemical components (proximate composition, minerals and total phenolic contents) and antioxidant activities using various methods were investigated. The proximate composition values (%) of marketable and unmarketable fruits were: moisture (90.28 and 90.29), ash (0.74 and 0.26), crude protein (0.67 and 0.72), crude lipid (0.38 and 0.32). There were no significant differences in antioxidant activity, while total phenolic content was higher in marketable fruit. Carotenoids contents were 29.3 ± 2.6 and 31.9 ± 2.9 ㎍·g-1 in marketable and unmarketable fruits respectively, and identified β-carotene, violaxanthin, neoxanthin, and zeaxanthin. Lutein and capsaicin were not detected. In this study, potential value of unmarketable sweet pepper fruit could be identified to be applied as a food ingredient and functional food material.

파프리카는 최근 카로티노이드, 비타민C, E, 페놀화합물과 같은 다양한 식물 유래 생리활성물질 등의 효능이 보고되면서 영양성이 풍부한 식품으로서 각광받고 있다. 수확 후 파프리카 과실의 품질은 모양, 과중, 과피의 색상, 꼭지의 형태 등의 외관상 특징에 의해 주로 결정된다. 이러한 점에서 파프리카 비상품과는 미각적 특성과 영양학적 가치가 고려되지 않은 채 상품과의 50-70% 가격을 받거나 폐기된다. 본 연구는 파프리카 상품과 및 비상품과의 외적 품질, 일반 성분, 무기물, 항산화능 및 카로티노이드의 조성을 비교하기 위하여 수행되었다. 상품성에 따른 과실의 외적 품질 및 일반 성분은 평균 과중을 제외하고 유의한 차이가 없었다. 무기물 함량과 총페놀은 상품과에서 유의하게높게 나타났다. 항산화능의 경우, DPPH 라디칼 소거활성은 시료 간에 유의적인 차이는 보이지 않았다. ABTS 라디칼 소거활성은 더욱이 100과 1,000㎍·mL-1농도에서, 환원력은 500과 1,000㎍·mL-1에서 상품과가 비상품과에 비해 높은 활성을 보였으나 그 외 농도에서는 유의적인 차이가 없었다. β-카로틴을 포함한 주요 활성성분이라 예상되는 카로티노이드의 함량은 상품과와 비상품과에서 각각 29.3 ± 2.6과 31.9 ± 2.9㎍·g-1이었으며, 통계적으로 유의한 차이는 없었다. 실험 결과, 파프리카 과실은 외관상 품질에 따른 영양성, 항산화능 및 카로티노이드 조성 차이가 미미하거나 없는 것으로 확인된 바, 파프리카 비상품과 과실은 건강 가공식품의 소재로서 상품과 못지 않은 가치를 지닌 것으로 판단된다.

Keywords

References

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