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논문 기본 정보

자료유형
학술저널
저자정보
Sang-Hun Won (Kyungpook National University) Yeong-Jun Kim (Kyungpook National University) Kyu-Taek Choi (Kyungpook National University) Jun-Su Choi (Kyungpook National University) Heui-Dong Park (Kyungpook National University) Sae-Byuk Lee (Kyungpook National University)
저널정보
한국식품영양과학회 Preventive Nutrition and Food Science Preventive Nutrition and Food Science Vol.29 No.2
발행연도
2024.6
수록면
220 - 227 (8page)

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초록· 키워드

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Here, we aimed to isolate an acetic acid bacterium that is suitable for the production of unripe Citrus unshiu vinegar from traditional fermented vinegars. We compared the halo sizes of isolates to select a strain with superior acetic acid production capabilities and selected Komagataeibacter kakiaceti P6 (P6) as the final strain. Using Acetobacter pasteurianus CY (CY) and A. pasteurianus KACC 17058 (KACC 17058) as controls, we analyzed the total phenolic compounds, total flavonoid content, antioxidant activities, and organic acids of the selected strain to verify its suitability for acetic acid fermentation. On the 30th day of the fermentation period, P6 showed a total acidity of 4.86%, which was higher than that of control groups (CY, 4.16%; KACC 17058, 4.01%). The total phenolic compounds, total flavonoid content, 1,1-diphenyl-2-picrylhydrazyl scavenging activity, and ferric ion reducing antioxidant power values significantly increased during fermentation with P6 compared with the initial C. unshiu wine, and no significant differences were observed from the vinegars produced by CY and KACC 17058. Moreover, organic acid analysis revealed that the unripe C. unshiu vinegar produced with P6 had an acetic acid content of 26.15 mg/mL, which was significantly higher than those produced with CY and KACC 17058, indicating that the P6 strain effectively produces acetic acid without adversely affecting other quality aspects during fermentation. In conclusion, the novel P6 strain is expected to be used as a starter for fermenting unripe C. unshiu vinegar, and its excellent acetic acid production capabilities suggest potential applications for other vinegars.

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ABSTRACT
INTRODUCTION
MATERIALS AND METHODS
RESULTS AND DISCUSSION
REFERENCES

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