The effectiveness of multi-element fingerprints for identifying the geographical origin of wheat

文献类型： 外文期刊

第一作者： Liu, Hongyan

作者： Liu, Hongyan;Wei, Yimin;Zhang, Yingquan;Wei, Shuai;Zhang, Senshen;Guo, Boli

作者机构：

关键词： Genotype;geographical origin;harvest year;multi-element;wheat

期刊名称：INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY （ 影响因子：3.713； 五年影响因子：3.408 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： Totally 270 wheat samples with ten genotypes of 2010/2011, 2011/2012 and 2012/2013 from three regions were collected, and the multi-elemental compositions (Mg, Al, Ca, Mn, Fe, Cu, Zn, As, Sr, Mo, Cd, Ba, Pb) were analysed with high-resolution inductively coupled plasma mass spectrometry (HR-ICP-MS). Multiway analysis of variance was employed to investigate the influences of region, genotype, harvest year and their interactions on all elements. The contribution rates of variances were computed, and the results showed that the elements of Mn, Sr, Mo and Cd were closely related to region explaining 34.2%, 39.6%, 35.0% and 78.8% of the total variation, respectively. The genotype contributed most for the variation of Ba, accounting for 27.3%, and the other elements were affected by the harvest year. Mn, Sr, Mo and Cd can be used for establishing the robust discriminant model with the correct classification rate of 98.5% to identify the geographical origin of wheat.

分类号： TS2

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