Specialty and high-quality coffee: discrimination through elemental characterisation via ICP/OES, ICP/MS, and ICP/MS-MS of origin, species, and variety.

In summary, determination of mineral elements, processed by multivariate statistical analysis, was demonstrated to be discriminant for different coffee species. Linear discriminant analysis of the elemental analysis of samples from the seven major producing countries provided a reliable prediction model. Elemental analysis of major and minor elements is relatively easy and can be used together with other traceability systems and sensory evaluations to authenticate the origin of roasted coffee, different species, and varieties. This article is protected by copyright. All rights reserved.