PDF(Pubmed)
Abstract：
Sardinia, located in Italy, is a significant producer of Protected Designation of Origin (PDO) sheep cheeses. In response to the growing demand for high-quality, safe, and traceable food products, the elemental fingerprints of Pecorino Romano PDO and Pecorino Sardo PDO were determined on 200 samples of cheese using validated, inductively coupled plasma methods. The aim of this study was to collect data for food authentication studies, evaluate nutritional and safety aspects, and verify the influence of cheesemaking technology and seasonality on elemental fingerprints. According to European regulations, one 100 g serving of both cheeses provides over 30% of the recommended dietary allowance for calcium, sodium, zinc, selenium, and phosphorus, and over 15% of the recommended dietary intake for copper and magnesium. Toxic elements, such as Cd, As, Hg, and Pb, were frequently not quantified or measured at concentrations of toxicological interest. Linear discriminant analysis was used to discriminate between the two types of pecorino cheese with an accuracy of over 95%. The cheese-making process affects the elemental fingerprint, which can be used for authentication purposes. Seasonal variations in several elements have been observed and discussed.
摘要：
撒丁岛,位于意大利,是受保护的原产地标记（PDO）绵羊奶酪的重要生产商。为应对日益增长的高质量需求,安全,和可追溯的食品，PecorinoRomanoPDO和PecorinoSardoPDO的元素指纹在200个奶酪样品上使用经过验证的，电感耦合等离子体方法。这项研究的目的是收集食物认证研究的数据，评估营养和安全方面，并验证了奶酪制作技术和季节性对元素指纹的影响。根据欧洲法规，一份100克两种奶酪可提供超过30%的推荐钙膳食摄入量，钠,锌，硒,和磷，以及超过15%的铜和镁的推荐膳食摄入量。有毒元素,比如Cd,As,Hg,还有Pb,在毒理学感兴趣的浓度下经常没有定量或测量。线性判别分析用于区分两种pecorino奶酪，准确率超过95％。奶酪制作过程会影响元素指纹，可用于身份验证目的。已经观察到并讨论了几种元素的季节性变化。
