Abstract
Discarded leaves of red chicory (Radicchio “Rosso di Chioggia” IGP) were fermented with one Saccharomyces yeast and four lactic acid bacteria chosen on the basis of their ability to grow on plant material without any need of supplements. Antiradical and antimicrobial activities of the resulting products were assessed. Among the strains tested, Lactobacillus plantarum and L. hilgardii gave the best performances and also provided fermented substrates with antiradical and antimicrobial activities. In particular the latter compounds were found only in fermented samples, confirming that the choice of appropriate microorganisms for fermentation could be useful when the aim is to target specific functional foods starting from by-products or waste material.
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Acknowledgments
The authors wish to thank F. Fontana and S. Zannoni for their skillful technical assistance.
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This study was funded in part by POR “Competitività regionale e occupazione” - parte FESR 2007/2013 Azione 1.1.1. Progetto “RISIB” SMUPR n. 4145 “Potenziamento della rete di infrastrutture a supporto dell’innovazione biotecnologica” and by MIUR (ex-60 % grant).
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Dafni Maria Kagkli and Viviana Corich are joint first authors.
Dafni Maria Kagkli and Viviana Corich contributed equally to this work.
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Kagkli, D.M., Corich, V., Bovo, B. et al. Antiradical and antimicrobial properties of fermented red chicory (Cichorium intybus L.) by-products. Ann Microbiol 66, 1377–1386 (2016). https://doi.org/10.1007/s13213-016-1225-3
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DOI: https://doi.org/10.1007/s13213-016-1225-3