129 | Ochratoxin and green coffee: certified analyses to prevent the presence of toxic alien microorganisms transported by logistic carriers

Lorenzo Cergol¹, Elena Ramalli¹, Paolo Bonivento² | ¹New Eco srl, Trieste, Italy; ²Istituto di Studi Europei “A De Gasperi”, Roma, Italy.

The globalization of the coffee trade has introduced significant complexities into supply chain management, particularly regarding food safety and phytosanitary controls. As green coffee beans traverse international borders, they are subjected to fluctuating environmental conditions within logistic carriers—shipping containers and cargo holds—that create ideal microclimates for fungal proliferation. Of primary concern is the development of Ochratoxin A (OTA), a mycotoxin produced by various species of Aspergillus and Penicillium. This presentation, titled Ochratoxin and Green Coffee: Certified Analyses to Prevent the Presence of Toxic Alien Microorganisms Transported by Logistic Carriers, explores the critical intersection between logistics, mycology, and analytical certification in safeguarding the global coffee supply. Our research will examine the biological mechanisms of OTA formation during transport. Green coffee is hygroscopic; therefore, the condensation formed during oceanic transport—often referred to as "container rain"—drastically alters water activity levels within the beans. We will discuss how these fluctuations reactivate dormant fungal spores. Specifically, the presentation will highlight the risk of introducing alien microorganisms—non-native fungal strains that may be resistant to local storage treatments or produce higher toxin loads than indigenous varieties. The inadvertent transport of these pathogenic agents poses a dual threat: immediate chemical contamination of the coffee batch and long-term ecological risks of introducing invasive microbial species into new geographic regions. The core of the presentation focuses on the necessity of certified analytical protocols. Traditional visual inspections are insufficient for detecting mycotoxin contamination, which often occurs without macroscopic signs of mold. We will evaluate current ISO-certified methodologies for OTA detection, including HPLC with fluorescence detection and ELISA kits. The discussion will argue for a shift from post-arrival testing to a continuous monitoring framework. This includes integrating smart sensors into logistics carriers to track temperature and humidity in real time, enabling predictive modeling of fungal growth before the cargo reaches its destination. Furthermore, we will present case studies demonstrating the efficacy of preventative certified analyses. These studies compare standard shipping procedures with protocols that include pre-shipment certification of container hygiene and desiccant use. Data indicate that certified analysis of the logistics carrier itself—verifying that it is free of pre-existing microbial loads before loading—significantly reduces the incidence of cross-contamination. We will also address the regulatory landscape, specifically how differing MRLs for OTA across the European Union, the United States, and Asia complicate compliance for exporters and necessitate a standardized, rigorous analytical approach. Finally, it is extremely important to propose a new industry standard for Bio-Secure Logistics. This concept integrates certified chemical analysis of the beans with biological certification of the transport environment. By treating the logistic carrier not merely as a vessel but as a critical control point in the HACCP system, the coffee industry can mitigate the economic losses associated with rejected shipments. More importantly, this holistic approach prevents the spread of toxic, alien microorganisms, ensuring that the global movement of green coffee remains safe for both the consumer and the destination ecosystem. The session will conclude with a roadmap for implementing these certified analyses, emphasizing collaboration between agronomists, logistic providers, and chemical analysts.