10861730681?profile=RESIZE_400xAlcobaça apples are a desireable, old variety of apple grown in Portugal. They are registered as a PGI (Protected Geographical Indication), which covers production in a small area of the west coast of Portugal. This project developed a method to verify the origin of Alcobaça apples and hence their PGI status using multielement analysis and chemometrics.  “Alcobaça Apples” PGI apple pulp samples, Portuguese PGI and non-PGI areas, as well as different PGI cultivars and clones, were analysed for 23 elements content. Using VIP-PLS-DA (Variable Importance in Projection Partial Least-Squares Discriminant Analysis) on the  multielement signatures, it was possible to verify the origin to the PGI growing areas, and distinguish them from other varieties of apples grown in the same area and different areas.

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