The precise characterization of the elemental composition of cereals and cereal products is becoming crucial to assess their nutritional values, geographical labeling, and also toxicological profile. Inductively coupled plasma-mass spectrometry (ICP-MS) has become popular for the elemental analysis of foods in recent years. Analytical performance of the inductively coupled plasma-tandem mass spectrometry (ICP-MS/MS) is improved with a reaction/collision cell that provides an interference-free analysis of most of the elements including phosphorus and sulfur. In this study, an analytical method was optimized for the quantification of 57 elements using ICP-MS/MS technique and validated for 25 elements that were available in certified reference materials (CRMs). Then, the mineral contents of semolina samples obtained from the durum wheat (Triticum durum) cultivars were analyzed according to the validation procedure. Recoveries of the elements were found in the range of 92-108% for the digested CRM. The method was robust for all elements and the results indicated good precision for the analytical method. The inter- and intra-day precision values were found below 5%, and in the range of 0.11-3.31% and 0.09-4.51%, respectively. Analyzed elements showed significant variability among the semolina samples. The variety and growing conditions might have influences on the elemental composition of semolina samples.

中文翻译：

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通过电感耦合等离子体串联质谱 (ICP-MS/MS) 对粗面粉样品进行多元素表征。

谷物和谷物产品元素组成的精确表征对于评估其营养价值、地理标签和毒理学特征变得至关重要。近年来，电感耦合等离子体质谱法 (ICP-MS) 已成为食品元素分析的流行方法。电感耦合等离子体串联质谱 (ICP-MS/MS) 的分析性能通过反应/碰撞池得到改进，该池可对包括磷和硫在内的大多数元素进行无干扰分析。在本研究中，使用 ICP-MS/MS 技术对 57 种元素的定量分析方法进行了优化，并对有证参考物质 (CRM) 中的 25 种元素进行了验证。然后，根据验证程序分析了从硬粒小麦 (Triticum durum) 品种获得的粗面粉样品的矿物质含量。消解 CRM 的元素回收率在 92-108% 范围内。该方法对所有元素均具有稳定性，结果表明该分析方法具有良好的精密度。发现日间和日内精度值低于 5%，分别在 0.11-3.31% 和 0.09-4.51% 范围内。分析的元素显示粗面粉样品之间存在显着差异。品种和生长条件可能对粗面粉样品的元素组成有影响。该方法对所有元素均具有稳定性，结果表明该分析方法具有良好的精密度。发现日间和日内精度值低于 5%，分别在 0.11-3.31% 和 0.09-4.51% 范围内。分析的元素显示粗面粉样品之间存在显着差异。品种和生长条件可能对粗面粉样品的元素组成有影响。该方法对所有元素均具有稳定性，结果表明该分析方法具有良好的精密度。发现日间和日内精度值低于 5%，分别在 0.11-3.31% 和 0.09-4.51% 范围内。分析的元素显示粗面粉样品之间存在显着差异。品种和生长条件可能对粗面粉样品的元素组成有影响。