Combining Metal(loid) and Secondary Metabolite Levels in L. Samples for Geographical Identification

Overview

Journal Foods

Specialty Biotechnology

Date 2025 Jan 8

PMID 39766960

Authors

Raffaello Nardin

Gabriella Tamasi

Michele Baglioni

Giacomo Fattori

Amedeo Boldrini

Rodolfo Esposito

Claudio Rossi

Affiliations

Soon will be listed here.

Abstract

To fight counterfeits, and to protect the consumer, the interest in certifying the origin of agricultural goods has been growing in recent years. In this context and to increase the accuracy of zoning models, multiple analytical techniques must be combined via a multivariate approach. During the sampling campaign, leaves and fruits (olives or drupes) were collected from multiple orchards and farms. By means of HPLC-DAD, metabolite levels were evaluated and combined with the trace and ultra-trace metal/metalloid levels evaluated by ICP-MS (QqQ). The combined dataset was then used to develop a model for geographical traceability. Furthermore, the mineral content of the soil, evaluated by means of ICP-MS, was correlated with both the mineral content in the leaves and drupes and the metabolomic profiles to further investigate the connection between the orchard's location and characteristics of the final products.

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