Abstract

Some selected fruit juices and fermented red grape juices were investigated to determine the phenolic components by the Folin-Ciocalteu method and antioxidant capacity using α, α-diphenyl-β-picrylhydrazyl(DPPH) method. Commercial red grape beverages and red wines were also analyzed as control groups. In the juice, kiwi fruit had the highest phenolic components followed by orange(summer), red grape(Cambell Early:Yonng-Chun), mandarin orange(autumn), apple(Hong-Ok), cherry tomato, tomato and water melon. Whereas, on the antioxidant efficiency, tomato showed the highest free radical scavenging effect followed by orange(summer), cherry tomato, mandarin orange(autumn), apple(Aori) red grape(Cambell Early:Sung-Ju), kiwi fruit and water melon. The amount of pheonlic components of red wine was 2 times of that of fermented sugar added grape juice, however, the antioxidant efficiency of fermented sugar added grape juice was almost the same as that of red wine. It was found that no clear relationship could be shown between the content of phenolic component and antioxidant capacity of fruit juices and fermented red grape juices. The fruit juices from tomato, orange, cherry tomato, mandarin orange, red grape and fermented sugar added red grape juice showed high free radical scavenging effect and should be regarded as a valuable source of antioxidant.

주제어

#Fruit juice   #fermented red grape juice   #phenolic component   #DPPH  

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1. Park, Mi-Yeon ; Park, Kyung-Ok ; Hwang, Soon-Ran ; Song, Eun-Joo ; Park, Pil-Sook 2011. "Research on Factors for the Development and Preference of Grape Foods in Seoul and Gyeonggi Province" 한국지역사회생활과학회지 = The Korean Journal of Community Living Science, 22(3): 417~427  원문보기 상세보기