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Molecules

Title:		Differentiation of Fresh and Processed Fruit Juices Using Volatile Composition
Author(s):		Perestrelo R; Silva C; Silva P; Medina S; Camara JS;
Address:		"CQM(-)Centro de Quimica da Madeira, Universidade da Madeira, Campus da Penteada, 9020-105 Funchal, Portugal. rmp@uma.pt. CQM(-)Centro de Quimica da Madeira, Universidade da Madeira, Campus da Penteada, 9020-105 Funchal, Portugal. cgsluis@uma.pt. CQM(-)Centro de Quimica da Madeira, Universidade da Madeira, Campus da Penteada, 9020-105 Funchal, Portugal. pedro_dasilva@hotmail.com. CQM(-)Centro de Quimica da Madeira, Universidade da Madeira, Campus da Penteada, 9020-105 Funchal, Portugal. sonia.escudero@staff.uma.pt. CQM(-)Centro de Quimica da Madeira, Universidade da Madeira, Campus da Penteada, 9020-105 Funchal, Portugal. jsc@uma.pt. Departamento de Quimica, Faculdade de Ciencias Exatas e Engenharia, Universidade da Madeira; Campus da Penteada, 9020-105 Funchal, Portugal. jsc@uma.pt"
Journal Title:		Molecules
Year:		2019
Volume:		20190310
Issue:		5
Page Number:		-
DOI:		10.3390/molecules24050974
ISSN/ISBN:		1420-3049 (Electronic) 1420-3049 (Linking)
Abstract:		"In the current study, a comprehensive approach based on headspace solid-phase microextraction (HS-SPME), combined with gas chromatography-quadrupole mass spectrometry (GC-qMS), was used to establish the volatile signature of fresh and processed fruit juices, obtained from the same batch of grapes, red fruits, orange, pear, and apple. This is a powerful tool for evaluating the impact of the production process on the volatomic pattern of fruit juice. A total of 169 volatile organic compounds (VOCs) belonging to different chemical groups were identified. Esters, carbonyl compounds, terpenoids, and alcohols are the major chemical groups in the investigated fruit juices. However, their contribution to the total volatile profile varied. Special attention should be paid to processed fruit juices to avoid the possible deleterious effects associated with the formation of furanic compounds (e.g., heat treatment), since their furanic content was significantly higher in comparison to that of fresh fruit juices. The knowledge obtained in the current study will allow for the introduction of modifications to the process involved in processing juice, which will improve the organoleptic characteristics of processed juices, contributing to a better acceptance by consumers. Furthermore, more assays should be performed to assess the effect of harvests, geography, and agronomy on the volatile profile of juices"
Keywords:		Alcohols/chemistry Fruit/chemistry *Fruit and Vegetable Juices Gas Chromatography-Mass Spectrometry Malus/chemistry Solid Phase Microextraction Volatile Organic Compounds/*chemistry Gc-ms Hs-spme fresh juice processed juice volatile pattern;
Notes:		"MedlinePerestrelo, Rosa Silva, Catarina Silva, Pedro Medina, Sonia Camara, Jose S eng Switzerland 2019/03/13 Molecules. 2019 Mar 10; 24(5):974. doi: 10.3390/molecules24050974"