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Título: | Authentication of fattening diet of goat kid according to their fatty acid profile from perirenal fat |
Autor: | Mellado-González, Tania; Narváez-Rivas, Mónica CSIC; Alcalde, M. Jesús; Cano, Tomás | Palabras clave: | Goat kid Fatty acids Gas chromatography Pattern recognition |
Fecha de publicación: | 15-mar-2009 | Editor: | Elsevier | Citación: | Talanta 77(5): 1603-1608 (2009) | Resumen: | Fatty acids of forty-two samples of perirenal fat of goat kids reared on three different feeding systems: goat milk (B), milk replacer (R) and milk-based starter (F) have been analyzed by Gas Chromatography flame ionization detector. The lipids were extracted by melting of perirenal fat in a microwave oven. The fat was then filtered and dissolved in hexane. This analysis was performed on a column (100 m × 0.25 mm i.d. and 0.25 μm film thickness) coated with a polar stationary phase HP-88 and flame ionization detector was used. Hydrogen (25 psi inlet constant pressure) was used as carrier gas. Programmed temperature was kept at 175 °C and held isothermally for 10 min, and was then raised to 205 °C at a rate of 3 °C/min and held isothermally for 10 min. By using the fatty acids as chemical descriptors, pattern recognition techniques were applied to differentiate between goat milk, milk replacer and milk-based starter fattening diet of goat kid. C18:2 and C18:3 acids were found to be the most differentiating variables. | Versión del editor: | http://dx.doi.org/10.1016/j.talanta.2008.09.062 | URI: | http://hdl.handle.net/10261/55112 | DOI: | 10.1016/j.talanta.2008.09.062 | ISSN: | 0039-9140 |
Aparece en las colecciones: | (IG) Artículos |
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