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《Science and Technology of Food Industry》 2009-05
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Analysis of mineral elements content in several root and tuber plants

YANG Ji1,LU Zhi-ming1,LU Guo-quan2,,XIE De-ping3(1.College of Horticulture and Landscape,Southwest University,Chongqing 400716,China;2.College of Agriculture and Biotechnology,Zhejiang University,Hangzhou 310029,China; 3.College of Agronomy and Biotechnology,Southwest University,Chongqing 400716,China)  
Mineral elements in Dioscorea spp,Ipomoea batatas,Solanum tuberosum,Cynanchum auriculatum Royleex Wight and Smallanthus sonchifolius were determined by inductive coupled plasma mass spectrometry(ICP-MS).The results showed that the K content in six kinds of root and tuber plants ranged from 25389.329 to 7245.998mg·kg-1,Na content from 2296.858 to 31.566mg·kg-1,Ca content from 1636.097 to 227.100mg·kg-1,Mg content from 1481.384 to 406.624mg·kg-1,Zn content from 27.382 to 4.968mg·kg-1,Fe content from 74.873 to 28.411mg·kg-1,Cr content from 1.857 to 0.005mg·kg-1,Cu content from 8.772 to 3.959mg·kg-1,Co content from 0.394 to 0.027mg·kg-1,Ni content from 4.368 to 0.597mg·kg-1,Mo content from 0.44 to 0.118mg·kg-1,Mn content from 18.092 to 4.084mg·kg-1,Se content from 0.130 to 0.008mg·kg-1.The Pb,Al and Cd contents have not exceeded the national green food production standard.This indicated that these root and tuber plants were rich in necessary mineral contents,safe for human consumption,and help improve our diet nutrition.
【Fund】: 农业部行业项目(nyhyzx07-012-12);; 国家科技支撑项目(2006BAD05A11-6;2006BAD01A06-2);; 科技厅项目(2007C22SA700011;2007C12079)联合资助
【CateGory Index】: R151
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