新疆野生樱桃李及栽培品种果肉中17种元素含量ICP-MS法测定

比较紫色，红色和黄色三种新疆野生樱桃李及栽培品种果肉中无机元素的含量，样品采用微波消解方法进行前处理，ICP-MS法检测其中K，Ca，Mg，Na，Fe，Mn，Cu，Zn，Be，Li，Se，Sr，Cr，Pb，Cd，As，Hg等17种元素。该检测方法快速简便，精密度高且具有较高的灵敏度，17种元素的加标回收率在93.5%～110.4%。分析结果表明紫色，红色和黄色三种新疆野生樱桃李及栽培品种果肉中的17种元素含量均较为接近，均含有极为丰富的K元素，含量高达1‰左右，Ca，Mg，Na，Fe，Mn均为含量较高的金属元素且含量依次降低，Cu，Zn，Li，Se，Sr，Cr也有一定含量，Pb，Cd，As，Hg等有害元素含量极低或未检出。实验结果为研究新疆野生樱桃李与栽培品种果肉中微量元素含量提供参考数据。

Measuring the Content of 17 Elements in the Flesh of Prunus Cerasifera and Its Cultivars by ICP-MS

The present study compared the contents of inorganic elements in the pulp of purple, red, and yellow Prunus cerasifera with its cultivars. A method was established for the analysis of 17 kinds of trace elements (K, Ca, Mg, Na, Fe, M n, Cu, Zn, Be, Li, Se, Sr, Cr, Pb, Cd, As and Hg) in the flesh of Prunus cerasifera by microwave digestion- ICP-MS. The detection method is simple and quick, yet shoes high precision and high sensitivity. The recovery rate of 17 elements ranged from 93.5% to 110.4%. The analysis results showed that the contents of 17 elements in the flesh of purple, red, and yellow Prunus cerasifera and its cultivars are similar, containing extremely rich K elements (as high as 1 ‰) and higher contents of Ca, Mg, Na, Fe and Mn. The contents of Cu, Zn, Li, Se, Sr and Cr are also present. The contents of Pb, Cd, As, Hg and other harmful element are either very low or not detectable. The experimental results for the study of trace elements in pulp of Prunus cerasifera and its cultivars provide empirical data for future research in this area.