Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Chemical Composition, Functional Constituents, and Antioxidant Activities of Berry Fruits Produced in Korea

국내 재배 베리류의 화학 조성 및 기능성 성분과 항산화 활성

  • Lee, Yongcheol (Department of Food and Nutrition, and Research Institute of Human Ecology, Seoul National University) ;
  • Lee, Jib-Ho (Seoul Metropolitan Government Research Institute of Public Health and Environment) ;
  • Kim, Sung-Dan (Seoul Metropolitan Government Research Institute of Public Health and Environment) ;
  • Chang, Min-Su (Seoul Metropolitan Government Research Institute of Public Health and Environment) ;
  • Jo, In-Soon (Seoul Metropolitan Government Research Institute of Public Health and Environment) ;
  • Kim, Si-Jeong (Seoul Metropolitan Government Research Institute of Public Health and Environment) ;
  • Hwang, Keum Taek (Department of Food and Nutrition, and Research Institute of Human Ecology, Seoul National University) ;
  • Jo, Han-Bin (Seoul Metropolitan Government Research Institute of Public Health and Environment) ;
  • Kim, Jung-Hun (Seoul Metropolitan Government Research Institute of Public Health and Environment)
  • 이용철 (서울대학교 식품영양학과.생활과학연구소) ;
  • 이집호 (서울특별시 보건환경연구원) ;
  • 김성단 (서울특별시 보건환경연구원) ;
  • 장민수 (서울특별시 보건환경연구원) ;
  • 조인순 (서울특별시 보건환경연구원) ;
  • 김시정 (서울특별시 보건환경연구원) ;
  • 황금택 (서울대학교 식품영양학과.생활과학연구소) ;
  • 조한빈 (서울특별시 보건환경연구원) ;
  • 김정헌 (서울특별시 보건환경연구원)
  • Received : 2015.05.27
  • Accepted : 2015.07.26
  • Published : 2015.09.30
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Abstract

Berry fruits are rich in phytochemicals, including polyphenols, anthocyanins, phenolic acids, and organic acids, which are known to have beneficial effects on health. The aim of this study was to investigate chemical composition, functional constituents, and antioxidant activities of mulberry, black raspberry, raspberry, and blueberry cultivated in Korea. Acidity of the four berries ranged from 0.26% to 1.10%, and pH ranged from 3.3 to 5.2. Total mineral contents of the four berries ranged from 92.9 to 256.0 mg/100 g. Among the berries, mulberry contained the most abundant total free sugars, and glucose and fructose were the major sugars in the berries. Mulberry contained more than three times as much ${\gamma}-aminobutyric$ acid as the content of the other berries. Blueberry contained more free phenolic acid than the other berries. Especially, chlorogenic acids were the major free phenolic acids in blueberry. Black raspberry had the highest amount of polyphenols, anthocyanins, and flavonoids among the berries and showed the highest antioxidant activity.

국내에서 주로 재배되는 대표적인 베리류에 대한 화학 조성 및 기능성을 알아보고자 일정 시기에 수확한 오디, 블랙라즈 베리, 라즈베리, 블루베리의 pH, 산도, 유리당, ${\gamma}-aminobutyric$acid(GABA), 무기질 함량, phenolic compound, 항산 화 활성을 조사하여 비교하였다. 베리류 4종의 pH는 3.3~5.2로 블루베리가 가장 낮았고 오디가 가장 높은 반면, 산도는 0.26~1.10%(w/w)로 오디가 가장 낮았고 블랙라즈 베리가 가장 높았다. 베리류에서 검출된 유리당인 fructose와 glucose는 같은 비율로 존재하였고, 그 총량은 4.80~12.93%(w/w)로 오디가 가장 높았으며 블랙라즈베리가 가장 낮았다. GABA는 오디에 69.3 mg/100 g이 함유되어 있었는데, 이는 다른 베리류에 비해 3배 이상 많은 양이다. 베리류에 함유된 주요 무기질은 칼륨, 칼슘, 마그네슘이었고, 총 무기질 함량은 92.9~256.0 mg/100 g으로 블랙라즈 베리에 유의적으로 높게 함유되어 있었으며(P<0.05) 블루베리가 가장 낮았다. Total polyphenol과 total flavonoid 함량은 각각 198.2~547.2 mg/100 g과 5.0~94.6 g/100 g의 범위로 블랙라즈베리가 가장 높았고, 라즈베리는 유의적으로 가장 낮았다(P<0.05). Total anthocyanin은 19.8~385.6 mg/100 g의 범위로 블랙라즈베리가 가장 높았고, 라즈베리가 유의적으로 낮았다(P<0.05). Total PA(phenolic acids)는 블랙라즈베리와 라즈베리에 각각 14.0 mg/kg과 5.9 mg/kg이 함유되어 있었는데 이는 오디에 함유된 50.4 mg/kg보다 낮았으며, 391.4 mg/kg으로 가장 높게 함유된 블루베리에는 PA의 대부분이 chlorogenic acid였다. 베리류 4종의 항산화 활성을 DPPH 및 ABTS free radical scavenging activity를 분석하여 Trolox equivalent 값으로 나타낸 결과 Trolox equivalent antioxidant capacity와 total polyphenol, total anthocyanin, total flavonoid 함량 과는 유의적인 양(+)의 상관관계(Pearson 상관계수 r${\geq}0.85$; P<0.01)를 나타내었고, 블랙라즈베리가 DPPH 및 ABTS 항산화 활성이 가장 우수하였다.

Keywords

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