Abstract
In the bergamot (Citrus bergamia) processing cycle, peel and juice are the main by-products. Considering their high content in bioactive and aromatic compounds, the aim of this study was to valorise them in the vinegar industry. The proposal constitutes a model system for the global citrus industry, to improve the commercial value of the citrus wastes. The bioconversion of four juice combinations (based on bergamot fruit peel or juice) in eight wines and, after random choice, in four vinegars was tested. The chemical composition of wines and vinegars was determined, detecting a high permanence of a majority of the compounds of interest. The sensory analysis of the four vinegars before and after an oxidation treatment was performed obtaining good performances.
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Acknowledgements
We express our sincere gratitude to Prof Ferdinando Delfino and Dr Demetrio Melissari for their contribution concerning study conception and orchestration of the experiments. We express our sincere gratitude to Dr Nava Domenico, Dr Giuliano Delfino, and the staff of the Citrus Juices Company for their collaboration in the realization of the experiments.
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Giuffrè, A.M., Zappia, C., Capocasale, M. et al. Vinegar production to valorise Citrus bergamia by-products. Eur Food Res Technol 245, 667–675 (2019). https://doi.org/10.1007/s00217-018-3189-y
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DOI: https://doi.org/10.1007/s00217-018-3189-y