Leong L P,Shui G.An investigation of antioxiation capacity of fruits in Singapore markets[J].Food Chemistry,2002,76:69-75.
[6]
Shon M Y,Choi S D,Khang G G,et al.Antimutagenic,antioxidant and free radical scavenging activity of ethyl acetate extracts from white,yellow and red onions[J].Food and Chemical Toxicology,2004,42:659-666.