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A headspace solid-phase microextraction method of use in monitoring hexanal and pentane during storage: Application to liquid infant foods and powdered infant formulas

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A headspace solid-phase microextraction method of use in monitoring hexanal and pentane during storage: Application to liquid infant foods and powdered infant formulas

dc.contributor.author	García Llatas, Guadalupe
dc.contributor.author	Lagarda Blanch, María Jesús
dc.contributor.author	Romero, Fernando
dc.contributor.author	Abellán, Pedro
dc.contributor.author	Farré Rovira, Rosaura
dc.date.accessioned	2014-02-26T14:37:58Z
dc.date.available	2014-02-26T14:37:58Z
dc.date.issued	2006
dc.identifier.uri	http://dx.doi.org/10.1016/j.foodchem.2006.03.007
dc.identifier.uri	http://hdl.handle.net/10550/33380
dc.description.abstract	The determination of two secondary lipid oxidation compounds (hexanal and pentane) in liquid infant foods using a headspace solid-phase microextraction gas chromatographic (HS-SPME-GC) method has been developed and validated. The HS-SPME analytical conditions (fibre position, equilibration and sampling times) were selected. The analytical parameters of the method (linearity: hexanal from 2.48 to 84.78 ng/g, pentane from 6.21 to 79.55 ng/g; precision: hexanal<br> 2.87%, pentane<br> 2.34<br>3.46%; recovery: hexanal<br> 106.60%, pentane<br> 95.39%; detection limit: hexanal<br> 3.63 ng and pentane<br> 4.2 ng) demonstrate the usefulness of the method. Once optimized, the method was applied to liquid infant foods based on milk and cereals, and to powdered adapted and follow-up milk-based infant formulas (IF), stored for four and seven months. In all cases the hexanal content was higher in IF than in milk-cereal based infant foods. No pentane was found in IF.
dc.relation.ispartof	Food Chemistry, 2006, vol. 101, p. 1078 -1086
dc.source	García Llatas, Guadalupe Lagarda Blanch, María Jesús Romero, Fernando Abellán, Pedro Farré Rovira, Rosaura 2006 A headspace solid-phase microextraction method of use in monitoring hexanal and pentane during storage: Application to liquid infant foods and powdered infant formulas Food Chemistry 101 1078 1086
dc.subject	Infants Alimentació
dc.title	A headspace solid-phase microextraction method of use in monitoring hexanal and pentane during storage: Application to liquid infant foods and powdered infant formulas
dc.type	journal article	es_ES
dc.date.updated	2014-02-26T14:37:58Z
dc.identifier.doi	http://dx.doi.org/10.1016/j.foodchem.2006.03.007
dc.identifier.idgrec	031365
dc.rights.accessRights	open access	es_ES