Comparison of Trace Elements Contents in Purple Potato with Common Potato by ICP-MS

Abstract

Purple potato is a new and popular food and the contents of trace element in purple potato have not been reported. Eleven kinds of trace elements were investigated in purple potato and compared with common potato planted in the same site under the same conditions. The results showed that the purple potato can absorb more Ca and Mn than common potato and most of the heavy metals including Cr, As, Se, Mo and Cd in common potato were much higher than those in purple potato, which indicated that purple potato is good food for human healthy.