FOOD SCIENCE ›› 2008, Vol. 29 ›› Issue (7): 90-93.

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Determination of Bioactive Compounds in Five Kinds of Pummelos Juices and Their Antioxidant Capacities

 DAN  Jun-Feng, SHENG  Xue-Fei, CHEN  Jian-Chu   

  1. College of Biosystem Engineering and Food Science, Zhejiang University, Hangzhou 310029, China
  • Online:2008-07-15 Published:2011-07-28

Abstract: The contents of flavonoids and vitamin C in 5 kinds of pummelo juices were detected by HPLC method. And their antioxidant capacities were evaluated by methods of FRAP, DPPH and ABTS. Comparison results indicated that the contents of naringin, vitamin C and total phenolics in Foyou juice are the highest. Hesperidin and neohesperidin are not detected in pummelo juices except Huyou juice. The antioxidant capacity of Foyou juice is the highest. The most important antioxidant compounds are phenolics and vitamin C.

Key words: HPLC, juice, flavonoids, VC, antioxidant