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

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Comparison of Functional Properties of Black Soybean Pickled in Vinegar (Chokong)

초콩의 제조 중 기능적 특성 비교

  • Seo, Ji-Hyung (Div. of Food, Beverage & Culinary Art, Yeungnam College of Science & Technology) ;
  • Jeong, Yong-Jin (Dept. of Food Science and Technology, Keimyung University)
  • 서지형 (영남이공대학 식음료조리계열) ;
  • 정용진 (계명대학교 식품가공학과)
  • Received : 2010.11.22
  • Accepted : 2011.01.04
  • Published : 2011.02.28
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Abstract

This study on functional properties of chokongs produced with black soybeans and three kinds of commercial vinegars was performed to establish the basal preparation condition for chokong. When chokongs were prepared with different vinegars for different soaking times, total phenolic compounds increased significantly and total flavonoids showed a trend of small increasing after 4 days of pickling. The electron donating ability, nitrate scavening ability and antioxidant capacity for chokongs tended to increase along with pickling of black soybeans. Also the values were overall high in 70% ethanolic extracts compared to water extracts for each chokong. When the chokongs were produced by pickling in 7 days, the electron donating ability, nitrate scavening ability and antioxidant capacity were higher in chokongs prepared with persimmon vinegar.

초콩의 기본 제조조건을 확립하기 위하여 검정콩과 3종의 시판 식초(현미식초, 감식초, 사과식초)를 이용하여 초콩을 제조하고 이들의 기능적 특성을 비교하였다. 초콩의 총 폴리페놀 함량은 검정콩의 식초 담금 기간이 4일 이상일 때 유의적으로 증가하였고 플라보노이드 함량도 소폭 증가하는 경향이었다. 초콩의 전자공여능, ABTS 라디칼 소거 활성 및 아질산염 분해능은 물 추출물보다 70% 에탄올 추출물에서 전반적으로 높았고, 검정콩의 식초 담금 기간이 길수록 증가하는 경향이었다. 초콩 제조 시 검정콩의 식초 담금 기간이 단기간(1~7일 내외)인 경우 감식초로 제조한 초콩에서 전자공여능, ABTS 라디칼 소거활성, 아질산염 분해능이 높은 편이었다.

Keywords

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