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Anthocyanins not only have vivid colors ranging from pink through red and violet to dark blue,but also have potential beneficial health effects reducing the risks of chronic diseases such as cardiovascular diseases or hyperglycemia.The radical scavenging ability of anthocyanins is 50 times of vitamin E and 20 times of vitamin C.Purple corn is an important source of anthocyanins with the potential application as food colorants or antioxidants.