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Food Chem

Title:		"Contribution of critical doses of iprovalicarb, mepanipyrim and tetraconazole to the generation of volatile compounds from Monastrell-based wines"
Author(s):		Sieiro-Sampedro T; Figueiredo-Gonzalez M; Garzon-Vidueira R; Cancho-Grande B; Gonzalez-Barreiro C; Camara MA; Oliva J; Rial-Otero R;
Address:		"University of Vigo, Food and Health Omics, Department of Analytical and Food Chemistry, Faculty of Science, 32004 Ourense, Spain. University of Vigo, Food and Health Omics, Department of Analytical and Food Chemistry, Faculty of Science, 32004 Ourense, Spain. Electronic address: cargb@uvigo.es. University of Murcia, Department of Agricultural Chemistry, Geology and Pedology, Faculty of Chemistry, Campus de Espinardo, 30100 Murcia, Spain"
Journal Title:		Food Chem
Year:		2023
Volume:		20220919
Issue:
Page Number:		134324 -
DOI:		10.1016/j.foodchem.2022.134324
ISSN/ISBN:		1873-7072 (Electronic) 0308-8146 (Linking)
Abstract:		"The individual effects of iprovalicarb, mepanipyrim, and tetraconazole on the volatile composition and aromatic profile of Monastrell-based wines were evaluated. To date, no studies about the effect of these fungicides on Monastrell-based wines are available, and the effect on other grape varieties is also unknown. Fungicides were added separately in the cellar to the grape must at two concentration levels (4 and 10 mg/kg for iprovalicarb and mepanipyrim and 1 and 2.5 mg/kg for tetraconazole). The aromatic composition of the final wines was analysed by gas chromatography using flame ionisation and ion trap mass selective detectors. In the presence of fungicides, the most significant variations were observed for isoamyl acetate and 2-phenylethyl acetate (increasing between 20 and 43% compared with the control wine) and ethyl caprate and caprylate (increasing between 12 and 68%). Consequently, treated wines showed a higher global odourant intensity, with increased fresh fruit notes"
Keywords:		"*Wine/analysis *Fungicides, Industrial/analysis *Vitis/chemistry Odorants/analysis *Volatile Organic Compounds/analysis Aromatic profile Critical conditions Fungicides Multivariate analysis Oenological parameters;"
Notes:		"MedlineSieiro-Sampedro, Thais Figueiredo-Gonzalez, Maria Garzon-Vidueira, Raul Cancho-Grande, Beatriz Gonzalez-Barreiro, Carmen Camara, Miguel A Oliva, Jose Rial-Otero, Raquel eng England 2022/09/30 Food Chem. 2023 Mar 1; 403:134324. doi: 10.1016/j.foodchem.2022.134324. Epub 2022 Sep 19"