The Journal of the Convergence on Culture Technology (문화기술의 융합)

The International Promotion Agency of Culture Technology (국제문화기술진흥원)
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Physicochemical Characteristics and Antioxidant Activity of Makgeolli

막걸리의 이화학적 특성과 항산화활성

  • 이나겸 (장안대학교 건강과학부 식품영양과)
  • Received : 2020.09.18
  • Accepted : 2020.10.15
  • Published : 2020.11.30
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Abstract

Makgeolli is a liquor that represents Korea and is made by mixing yeast and water with starch. Physicochemical Characteristics and Antioxidant activities of rice, nuruk, water and Fermentation time different to Makgeolli. Alcohol content was 6.76~14.56%, Reducing sugar content 1.17~1.68g/L and M5~M6 samples was higher 1.68g/L~2.43g/L. M1~M9 samples pH 3.56±0.02 and total acid 0.45~0.83%. Makgeolli total phenol content was average 966.38mg/L and ABTS 0.77mM. The Antioxidant activity measurements of FRAP and ABTS showed a similar correlation with the total phenol content. Makgeolli showed a high correlation cofficient of r GAE / PRequiv=0.8582 and r GAE / TEAC=0.9769. We intend to make rice, yeast, brewing water, fermentation period, etc. different conditions of makgeolli and analyze the status of fermentation progress and use it as basic data of quality indicators of the fermented rice wine process.

막걸리는 우리나라를 대표하는 주류로 전분질을 원료로 하며 누룩과 물을 혼합하여 만드는 술이다. 막걸리의 이화학적 특성 및 항산화활성을 분석한 결과는 다음과 같다. 막걸리의 알코올 함량은 6.76~14.56%였으며, 환원당의 경우 1.17~1.68g/L이 측정되었고, M5번과 M6번의 실험군의 경우 1.68g/L와 2.43g/L의 높은 수치를 보였다. M1~M9 실험군의 평균 pH는 3.56±0.02였고, 총산의 경우 0.45~0.83%의 값을 보였다. 막걸리의 총 페놀 함량은 평균 966.38mg/L이고 ABTS는 0.77mM TEAC의 값을 보였다. FRAP 및 ABTS의 항산화능 측정은 총 페놀 함량과 유사한 상관관계를 보이는데 막걸리는 r GAE / PRequiv=0.8582와 r GAE / TEAC=0.9769 의 높은 상관계수를 보였다. 막걸리의 전통적 방식을 바탕으로 쌀과 누룩, 양조용수, 발효기간을 달리하여 이화학적특성과 항산화활성을 측정하여 발효진행의 상관관계에 대해 분석함으로써 막걸리제조의 발효과정을 이해하고 해석하는데 기초자료 활용에 도움이 될수 있을 것이라고 생각되어진다.

Keywords

References

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