한국식품저장유통학회지 (Food Science and Preservation)

  • 제30권6호
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  • Pages.1029-1042
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  • 2023
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  • 3022-5477(pISSN)
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  • 3022-5485(eISSN)
한국식품저장유통학회 (The Korean Society of Food Preservation)
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[논문철회] Saccharomyces cerevisiae 와 Hanseniaspora uvarum 효모 혼합발효를 이용한 증류식 소주의 휘발성 향기성분 및 아미노산 함량 변화

[RETRACTED] Changes in the volatile aromatic compounds and amino acid contents of distilled soju using co-fermentation by Saccharomyces cerevisiae and Hanseniaspora uvarum yeasts

  • Kyu-Taek Choi (School of Food Science and Biotechnology, Kyungpook National University) ;
  • Chun-Woo Park (School of Food Science and Biotechnology, Kyungpook National University) ;
  • Su-Hyun Lee (School of Food Science and Biotechnology, Kyungpook National University) ;
  • Ye-Na Lee (School of Food Science and Biotechnology, Kyungpook National University) ;
  • Ji-Yun Oh (School of Food Science and Biotechnology, Kyungpook National University) ;
  • Jun-Su Choi (School of Food Science and Biotechnology, Kyungpook National University) ;
  • Deokyeong Choe (School of Food Science and Biotechnology, Kyungpook National University) ;
  • Sae-Byuk Lee (School of Food Science and Biotechnology, Kyungpook National University)
  • 투고 : 2023.10.25
  • 심사 : 2023.11.06
  • 발행 : 2023.12.30
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초록

본 연구는 기존에 과실주 발효 시, non-Saccharomyces 효모를 혼합 발효하여 향기성분을 증가시키는 기술을 확대하여 단독 및 혼합 발효로 제조한 탁주 술덧의 향기성분을 증가시킨 후 증류 과정을 통해 주질을 향상시킬 수 있다는 이론을 검증하고자 한 연구이다. 연구를 진행하기 전, 예상한 것처럼, 혼합 발효 증류식 소주에서 과실향을 나타내는 저분자 ester 계열의 휘발성 향기성분들의 함량이 증가하는 것이 입증되었으며, H. uvarum 계열의 효모를 사용한 경우, HU SJ69 혼합 발효구는 S. cerevisiae 단독 발효구와 비슷한 아미노산 함량을 나타냈으나, HU S6 혼합 발효구의 경우, 아미노산 함량이 감소하는 것으로 나타났다. 관능검사 결과, 휘발성 향기성분이 증가한 HU S6 혼합 발효구에서 SC NY21을 사용한 다른 증류식 소주들과 비교하여 유의적으로 큰 차이를 나타내지는 않았지만, 조금 더 높은 향미 점수를 얻은 것을 통해, 향후 non-Saccharomyces 효모의 혼합 발효를 통한 증류식 소주의 품질을 향상시킬 수 있는 기초연구로써 중요한 의미를 가진다고 판단된다. 또한, H. uvarum 계열 효모의 경우에는 국내에서는 식품 원료로 등재되지 않았기 때문에, 향후 산업적 이용을 위한 안전성 검증 등의 연구가 추가되어야 할 것으로 사료된다.

This study aimed to apply the technology of increasing the volatile aromatic compounds in wine through mixed fermentation of Saccharomyces cerevisiae and non-Saccharomyces yeasts to make distilled soju. The expectation was to induce changes in metabolites such as volatile aromatic compounds before the distillation process, followed by concentrating these compounds through distillation to enhance the odor property of distilled soju. Additionally, the study aimed to examine the impact of mixed fermentation with S. cerevisiae and non-Saccharomyces yeasts on distilled soju's free amino acid content. As a result, when Hanseniaspora uvarum yeast was used, there was an increase in the content of low molecular weight volatile aroma compounds, particularly esters. Distilled soju co-fermented with S. cerevisiae and H. uvarum SJ69 exhibited similar amino acid content to distilled soju single-fermented with S. cerevisiae. However, distilled soju co-fermented with S. cerevisiae and H. uvarum S6, a decrease in amino acid content. Sensory evaluation results indicated a higher odor score in distilled soju co-fermented with S. cerevisiae and H. uvarum S6, suggesting that the mixed fermentation technology utilizing H. uvarum could contribute to improving the quality of distilled soju in the future.

키워드

과제정보

This research was supported by Kyungpook National University Research Fund, 2022.

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