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Food Origin Authenticity Using Deep Learning and Citizen Science: Bananas Case Study
Nikolaos Fragkos1, Yamine Bouzembrak1, Sara Wilhelmina Erasmus2
1Information Technology, Wageningen University, Wageningen University and Research, 6700 HB Wageningen, The Netherlands.
Foods (Basel, Switzerland)
|May 27, 2026
Summary
This study uses Artificial Intelligence (AI) and citizen science images to detect the country of origin for Cavendish bananas, offering a new method for food fraud detection.
Area of Science:
- Agricultural Science
- Computer Science
- Food Science
Background:
- Food fraud is a significant global issue, impacting consumer trust and economic integrity.
- Accurate origin verification of agricultural products like bananas is challenging but crucial for supply chain transparency.
- Existing methods for origin detection may not be sufficient for proactive fraud prevention at the cultivation stage.
Purpose of the Study:
- To develop and evaluate an Artificial Intelligence (AI)-based proof-of-concept for detecting the country of origin of Cavendish bananas (Musa spp.).
- To explore the utility of citizen science-generated imagery in conjunction with deep learning for agricultural product authentication.
- To establish a foundational AI pipeline for proactive food fraud detection at the cultivation level.
Main Methods:
- Utilized a dataset of 6000 citizen science images of Cavendish bananas sourced from iNaturalist.
- Employed Convolutional Neural Networks (CNNs), specifically leveraging transfer learning with pre-trained models like MobileNetV1.
- Implemented data augmentation techniques to address class imbalance and enhance model robustness.
Main Results:
- The CNN model, particularly MobileNetV1, showed promising performance in distinguishing banana origins across six countries.
- Achieved an average accuracy of 0.86 with Monte Carlo Cross Validation and 0.77 with 5-Fold Cross Validation.
- The final selected model demonstrated a validation accuracy of 0.79, indicating significant potential for origin detection.
Conclusions:
- This study presents a foundational proof-of-concept for AI-driven origin detection in agricultural products at the cultivation stage.
- The findings suggest a promising new avenue for proactive food fraud detection using accessible imagery and advanced computational models.
- The developed AI pipeline offers a scalable framework that can be further expanded and independently validated for real-world applications.
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