固体小麦种子和磨粉产品中的元素分布:通过多变量数据分析来区分种植方法
Martina Fattobene1, Fuyong Liu1, Paolo Conti1
1Chemistry Division, "Chemistry Interdisciplinary Project" Building, School of Science and Technology, University of Camerino, 62032 Camerino, Italy.
Foods (Basel, Switzerland)
|June 27, 2024
概括
对 durum小麦产品的基本分析揭示了有机农业和传统农业之间的关键差异. 特定的元素如,,铜,和可以准确地识别种植方法并防止欺诈.
科学领域:
- 农业化学 农业化学
- 食品科学 食品科学 食品科学
- 分析化学 分析化学
背景情况:
- 硬小麦及其磨粉产品是主食,需要了解它们的特点.
- 元素含量可以根据农业实践而异,影响食品质量和真实性.
研究的目的:
- 为了研究在有机和传统农业下种植的 durum小麦 (全粒种子,大,小麦粉,面粉) 中的元素度.
- 为了确定元素概况是否可以区分有机和传统 durum wheat 产品.
- 评估元素分析在防止小麦产品欺诈方面的潜力.
主要方法:
- 诱导合等离子光辐射光谱法 (ICP-OES) 用于确定28个元素的度.
- 多变量歧视性分析,特别是部分最小方程歧视性分析 (PLS-DA),应用于基本数据.
- 用特定的元素组合,对不同的削产品进行了分类准确性的评估.
主要成果:
- 在磨粉产品中,元素的丰度各不相同,一般在中发现的度更高.
- 在某些样本中, (Sb) 和 (Tl) 等特定元素的存在是有限的.
- 在有机和传统种植之间观察到银 (Ag), (B) 和 (V) 等元素的小但显著差异.
- 分类模型实现了高准确度 (例如,使用B,K,Se的面粉达到0.92;使用额外元素的小麦粉的完美预测).
结论:
- 五个关键元素 (,,铜,,) 对于区分有机硬小麦和传统硬小麦至关重要.
- 元素分析有效地区分了加工产品,并可以识别种植来源.
- 这种元素分析方法对检测食品行业的欺诈有很大的希望.
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