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Molecules


Title:Effects of Methyl Jasmonate and Nano-Methyl Jasmonate Treatments on Monastrell Wine Volatile Composition
Author(s):Gimenez-Banon MJ; Moreno-Olivares JD; Paladines-Quezada DF; Bleda-Sanchez JA; Fernandez-Fernandez JI; Parra-Torrejon B; Delgado-Lopez JM; Gil-Munoz R;
Address:"Murcian Institute of Agricultural and Environment Research and Development (IMIDA), Ctra. La Alberca s/n, 30150 Murcia, Spain. Department of Inorganic Chemistry, Faculty of Science, University of Granada, 18071 Granada, Spain"
Journal Title:Molecules
Year:2022
Volume:20220430
Issue:9
Page Number: -
DOI: 10.3390/molecules27092878
ISSN/ISBN:1420-3049 (Electronic) 1420-3049 (Linking)
Abstract:"The application of methyl jasmonate (MeJ) as an elicitor to enhance secondary metabolites in grapes and wines has been studied, but there is little information about its use in conjunction with nanotechnology and no information about its effects on wine volatile compounds. This led us to study the impact of nanoparticles doped with MeJ (Nano-MeJ, 1mM MeJ) on the volatile composition of Monastrell wines over three seasons, compared with the application of MeJ in a conventional way (10 mM MeJ). The results showed how both treatments enhanced fruity esters in wines regardless of the vintage year, although the increase was more evident when grapes were less ripe. These treatments also achieved these results in 2019 in the cases of 1-propanol, ss-phenyl-ethanol, and methionol, in 2020 in the cases of hexanol and methionol, and in 2021, but only in the case of hexanol. On the other hand, MeJ treatment also increased the terpene fraction, whereas Nano-MeJ, at the applied concentration, did not increase it in any of the seasons. In summary, although not all families of volatile compounds were increased by Nano-MeJ, the Nano-MeJ treatment generally increased the volatile composition to an extent similar to that obtained with MeJ used in a conventional way, but at a 10 times lower dose. Therefore, the use of nanotechnology could be a good option for improving the quality of wines from an aromatic point of view, while reducing the necessary dosage of agrochemicals, in line with more sustainable agricultural practices"
Keywords:Acetates Cyclopentanes Fruit/chemistry Hexanols/metabolism Odorants/analysis Oxylipins/metabolism *Vitis/chemistry *Volatile Organic Compounds/analysis *Wine/analysis aroma elicitor foliar application nanoparticles sensorial analysis;
Notes:"MedlineGimenez-Banon, Maria Jose Moreno-Olivares, Juan Daniel Paladines-Quezada, Diego Fernando Bleda-Sanchez, Juan Antonio Fernandez-Fernandez, Jose Ignacio Parra-Torrejon, Belen Delgado-Lopez, Jose Manuel Gil-Munoz, Rocio eng Switzerland 2022/05/15 Molecules. 2022 Apr 30; 27(9):2878. doi: 10.3390/molecules27092878"

 
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