Chemical Characterization of Different Sumac and Pomegranate Extracts Effective against Botrytis cinerea Rots
AbstractPomegranate (Punica granatum L.) peel and sumac (Rhus coriaria L.) fruit and leaf extracts were chemically characterized and their ability to inhibit table grape (cv. Italia) rots caused by Botrytis cinerea was evaluated on artificially inoculated berries. Different extraction methods were applied and extracts were characterized through Ultra Fast High Performance Liquid Chromatography coupled to Photodiode array detector and Electrospray ionization Mass spectrometer (UPLC-PDA-ESI/MSn) for their phenol and anthocyanin contents. The concentrated pomegranate peel extract (PGE-C) was the richest in phenols (66.97 g gallic acid equivalents/kg) while the concentrated sumac extract from fruits (SUF-C) showed the highest anthocyanin amount (171.96 mg cyanidin 3-glucoside equivalents/kg). Both phenolic and anthocyanin profile of pomegranate and sumac extracts were quite different: pomegranate extract was rich in cyanidin 3-glucoside, pelargonidin 3-glucoside and ellagic acid derivatives, while sumac extract was characterized by 7-methyl-cyanidin 3-galactoside and gallic acid derivatives. The concentrated extracts from both pomegranate peel and sumac leaves significantly reduced the development of Botrytis rots. In particular, the extract from pomegranate peel completely inhibited the pathogen at different intervals of time (0, 12, and 24 h) between treatment and pathogen inoculation on fruits maintained at 22–24 °C and high relative humidity (RH). This extract may represent a valuable alternative to control postharvest fungal rots in view of its high efficacy because of the low cost of pomegranate peel, which is a waste product of processing factories. View Full-Text
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Romeo, F.V.; Ballistreri, G.; Fabroni, S.; Pangallo, S.; Nicosia, M.G.L.D.; Schena, L.; Rapisarda, P. Chemical Characterization of Different Sumac and Pomegranate Extracts Effective against Botrytis cinerea Rots. Molecules 2015, 20, 11941-11958.
Romeo FV, Ballistreri G, Fabroni S, Pangallo S, Nicosia MGLD, Schena L, Rapisarda P. Chemical Characterization of Different Sumac and Pomegranate Extracts Effective against Botrytis cinerea Rots. Molecules. 2015; 20(7):11941-11958.Chicago/Turabian Style
Romeo, Flora V.; Ballistreri, Gabriele; Fabroni, Simona; Pangallo, Sonia; Nicosia, Maria G.L.D.; Schena, Leonardo; Rapisarda, Paolo. 2015. "Chemical Characterization of Different Sumac and Pomegranate Extracts Effective against Botrytis cinerea Rots." Molecules 20, no. 7: 11941-11958.