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        검색결과 1

        1.
        2023.08 KCI 등재 구독 인증기관 무료, 개인회원 유료
        This study measured coffee’s quality and antioxidant properties by adding sweet sapphire grapes with different extraction conditions to develop materials for a new, healthy, functional coffee menu. As for pH, the control group showed a higher value than the sample group, and ES-SP was the highest at 11.47±0.06oBrix in the soluble solid content. As for organic acids, ES-SP showed the highest values in shikimic acid, formic acid, and acetic acid. In glucose and fructose, ES-SP showed high contents of 19236.80 mg/ml and 24578.21 mg/ml among sample groups. Trigonelin and chlorogenic acid showed the highest values of ES-SP at 1349.44±0.50 mg/mL and 1132.58±0.51 mg/mL. In caffeine, the control group and ES-SP showed high content. In DPPH, all sample groups showed higher values than the control group. The total phenol content was the highest in the control and ES-SP groups. As a result of the above espresso extraction conditions, coffee has high organic acid, free sugar, trigonelin, chlorogenic acid, antioxidant, and total polyphenol content, providing suitable manufacturing method for developing coffee menus using sweet sapphire.
        4,000원