Dietary Effects on Stable Carbon Isotope Composition of Fatty Acids in Polar and Neutral Fractions of Intramuscular Fat of Lambs
| Autor: | Danielle Ryan, Valentina Vasta, Katryna A. van Leeuwen, Federica Camin, Paul D. Prenzler, Eliana Jerónimo, Rui J.B. Bessa |
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| Rok vydání: | 2017 |
| Předmět: |
Carbon isotope composition
food.ingredient Linseed Oil Meat Lamb GC-C-IRMS 01 natural sciences Cistus ladanifer Fats 13c enrichment food Linseed oil Flax Animals Food science Settore CHIM/10 - CHIMICA DEGLI ALIMENTI Muscle Skeletal Sheep Domestic FAME analysis Carbon Isotopes Chromatography Sheep biology Chemistry 010401 analytical chemistry Fatty Acids 0402 animal and dairy science Cistus 04 agricultural and veterinary sciences General Chemistry biology.organism_classification Oil 040201 dairy & animal science Sunflower Animal Feed 0104 chemical sciences Dietary Supplements Helianthus Intramuscular fat General Agricultural and Biological Sciences |
| Zdroj: | Journal of agricultural and food chemistry. 65(43) |
| ISSN: | 1520-5118 |
| Popis: | In this study we measured δ13C values of the main fatty acids (FA) present in neutral and polar intramuscular lipids of meat samples from 24 lambs, fed with four different diets supplemented with sunflower and linseed oil and the tanniferous shrub Cistus ladanifer L. The objective was to understand if the increase in intramuscular fat observed in lambs fed simultaneously C. ladanifer and oil was explained mostly by incorporation of diet derived FA or by increased de novo FA synthesis. De novo FA synthesis was evaluated by 13C enrichment (‰) of 16:0 in intramuscular lipids compared to bulk diet or compared to dietary 16:0. Oil reduced 13C enrichment of 16:0 in muscle lipid but had no effect when the diet included C. ladanifer (P value |
| Databáze: | OpenAIRE |
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