Control of Alternaria post-harvest infections on cherry tomato fruits by wild pepper phenolic-rich extracts |
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| Affiliation: | 1. Consiglio per la Ricerca in Agricoltura e l''Analisi dell''economia Agraria, Centro di Ricerca per l''Orticoltura, Via dei Cavalleggeri 25, I-84098 Pontecagnano, SA, Italy;2. Consiglio Nazionale delle Ricerche, Istituto di Scienze dell''Alimentazione, Via Roma 64, I-83100 Avellino, Italy;1. State Key Laboratory of Rice Biology, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, PR China;2. College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China;1. Institute for Agricultural and Fisheries Research (ILVO), Plant Sciences Unit, Applied Genetics and Breeding, Caritasstraat 21, 9090 Melle, Belgium;2. Herplant BVBA, Lilsedijk 80, 2340 Beerse, Belgium;1. Unidad Professional Interdisciplinaria Ingeniería Tecnología Avanzada, Av Instituto Politécnico Nacional 2580, La Laguna Ticoman, Gustavo A. Madero, CP, 07340, Ciudad de México, Mexico;2. Centro de Agroecología, Instituto de Ciencias, Benemérita Universidad Autónoma de Puebla, San Pedro Zacachimalpa, 72960, Puebla, Mexico;3. Centro Universitario de Vinculación y Transferencia de Tecnología, Benemérita Universidad Autónoma de Puebla, CP, 72570, Puebla, Mexico;4. Centro de Investigación en Biotecnología Aplicada-IPN, ex-hacienda San Juan Molino carretera estatal Tecuexcomac-Tepetitla Km 1.5, CP, 90700, Tlaxcala, Mexico;5. CONACYT-Centro Universitario de Vinculación y Transferencia de Tecnología, Benemérita Universidad Autónoma de Puebla, CP, 72570, Puebla, Mexico |
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| Abstract: | The use of plant-derived products in postharvest disease management may be a valid alternative to conventional chemical treatments. In this study, the antifungal activity of crude foliar extracts of a wild Capsicum annuum accession against Alternaria alternata was assessed. Pepper extracts affected mycelial growth and suppressed conidia germination in a dose-dependent manner. Moreover, they significantly reduced soft rot disease severity on artificially infected ripe cherry tomatoes. Extracts were characterized for their total phenolic content and antioxidant activity. UPLC–DAD analysis was also performed to obtain phenolic profiles of extracts and quantify the individual known components, including gallic acid, chlorogenic acid, catechin, caffeic acid, p-coumaric acid and ferulic acid. The putative role of this class of molecules in conferring antifungal activity to the extracts is discussed. The results indicate that extracts rich in natural phenolic compounds could be promising for sustainable applications in crop protection. |
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| Keywords: | Phytochemical Plant derived compounds Post-harvest soft rot UPLC-DAD |
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