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Food Chem

Title:		Characterisation of volatile profile in soymilk treated by ultra high pressure homogenisation
Author(s):		Poliseli-Scopel FH; Gallardo-Chacon JJ; Juan B; Guamis B; Ferragut V;
Address:		"Centre Especial de Recerca Planta de Tecnologia dels Aliments (CERPTA), XaRTA, TECNIO, MALTA-Consolider, Departament de Ciencia Animal i dels Aliments, Facultat de Veterinaria, Universitat Autonoma de Barcelona, 08193-Bellaterra (Cerdanyola del Valles), Barcelona, Spain"
Journal Title:		Food Chem
Year:		2013
Volume:		20130524
Issue:		3
Page Number:		2541 - 2548
DOI:		10.1016/j.foodchem.2013.05.067
ISSN/ISBN:		1873-7072 (Electronic) 0308-8146 (Linking)
Abstract:		"The effect of ultra high pressure homogenisation (UHPH) on the volatile profile of soymilk was studied and compared with conventional treatments. Soymilk was treated at 200 MPa combined with two inlet temperatures (55 or 75 degrees C) and treated at 300 MPa at 80 degrees C inlet temperature. UHPH-treated soymilks were compared with base product (untreated sample), pasteurised soymilk (90 degrees C, 30s) and ultra high temperature (UHT; 142 degrees C, 6s) treated samples. Volatile compounds were extracted by solid-phase microextraction and were identified by gas chromatography coupled with mass spectrometry. Pasteurisation and UHPH treatments at 200 MPa produced few changes in the volatile composition, reaching similar values to untreated soymilk. UHT treatment produced the most important effects on volatile profile compared to UHPH at 300MPa and 80 degrees C. Hexanal was the most abundant compound detected in all treatments. The effect of UHPH technology on volatile profile induced modifications depending on the combinations of processing parameters"
Keywords:		Food Handling/*methods Food Preservation Hot Temperature Pressure Soy Milk/*chemistry Volatile Organic Compounds/*analysis Chemical composition Gas chromatography-mass spectrometry (GC-MS) Solid-phase microextraction (SPME) Soymilk Ultra high-pressure hom;
Notes:		"MedlinePoliseli-Scopel, Fabio H Gallardo-Chacon, Joan-Josep Juan, Bibiana Guamis, Buenaventura Ferragut, Victoria eng Evaluation Study Research Support, Non-U.S. Gov't England 2013/07/23 Food Chem. 2013 Dec 1; 141(3):2541-8. doi: 10.1016/j.foodchem.2013.05.067. Epub 2013 May 24"