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Comparison of Amino Acid, Mineral Compositions and Antioxidant Activity of Apple and Crab Apple

사과와 꽃사과의 구성 아미노산, 무기질 조성 및 항산화 활성 비교

  • Lee, Kyung-Haeng (Major in Food and Nutrition, Korea National University of Transportation) ;
  • Yu, Kwang-Won (Major in Food and Nutrition, Korea National University of Transportation) ;
  • Bae, Yun-Jung (Major in Food and Nutrition, Korea National University of Transportation) ;
  • Joo, Ga-Young (Dept. of Food and Nutrition, Korea National University of Transportation) ;
  • Kim, Chae-Young (Dept. of Food and Nutrition, Korea National University of Transportation)
  • 이경행 (한국교통대학교 식품영양학 전공) ;
  • 유광원 (한국교통대학교 식품영양학 전공) ;
  • 배윤정 (한국교통대학교 식품영양학 전공) ;
  • 주가영 (한국교통대학교 식품영양학 전공) ;
  • 김채영 (한국교통대학교 식품영양학 전공)
  • Received : 2022.09.20
  • Accepted : 2022.10.02
  • Published : 2022.10.31

Abstract

To confirm the applicability of crab apple, the composition and content of amino acids and minerals with 'Fuji' apple were measured. Apple and crab apple were extracted with water, 70% and 100% ethanol, respectively. The contents of polyphenols, flavonoids, and ascorbic acid, antioxidant activities of these extracts were measured. The amino acid composition of apples comprised a total of 17 amino acids. The total amino acid contents of apple and crab apple were 2,050.45 mg/kg and 900.05 mg/kg, respectively. For minerals, the total mineral content of apple and crab apple were 489.14 mg%, 529.77 mg%, respectively. The contents of polyphenols, flavonoids, and ascorbic acid of apple and crab apple extracts were highest in 70% ethanol extracts. The content of polyphenols, the crab apple extract, showed a generally higher content than the apple extract. The content of flavonoids, apple and crab apple extracts revealed no difference between extracts. The content of ascorbic acid, apple extract showed a generally higher content than the crab apple extract, but there was no significant difference between extracts. In the case of DPPH and ABTS radical scavenging abilities, 70% ethanol extract showed the highest antioxidant activity, and crab apple showed higher activity than apple extracts.

Keywords

Acknowledgement

본 연구는 2020~2021년 농촌진흥청 연구사업(세부과제번호:PJ015285042021)의 지원과 2022년도 정부(교육부)의 재원으로 한국연구재단의 지원을 받아 수행된 기초연구사업입니다(No. 2021R1A6A1A0304641812).

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