Methods to determine the quality of acid oils and fatty acid distillates used in animal feeding
| Autor: | Magdalena Rafecas, Ana C Barroeta, Alba Tres, Stefania Vichi, Francesc Guardiola, Elisa Varona |
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| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Química dels aliments
M moisture Clinical Biochemistry Àcids grassos Fat by-products RSD relative standard deviation 010501 environmental sciences 01 natural sciences law.invention law Sample preparation FFA free fatty acids Tocopherol Food science Distillation Refining (metallurgy) FAME fatty acid methyl esters chemistry.chemical_classification 0303 health sciences Chemistry Fatty acids in human nutrition AO acids oils T tocopherols Medical Laboratory Technology p-AnV p-anisidine value Composition (visual arts) Food composition Analytical methods to determine the quality of fat by-products used in animal feeding Science T3 tocotrienols HPLC high performance liquid chromatograph 03 medical and health sciences Àcids grassos en la nutrició Analytical methods Peroxide value Fatty acids I insoluble impurities 030304 developmental biology 0105 earth and related environmental sciences Feed ingredients Fatty acid Quality control Method Article P -AnV p -anisidine value U/S ratio unsaturated/saturated fatty acid ratio Unsaponifiable FA fatty acids MIU sum of moisture insoluble impurities and unsaponifiable matter U unsaponifiable matter FAD fatty acid distillates |
| Zdroj: | MethodsX, Vol 8, Iss, Pp 101334-(2021) Dipòsit Digital de la UB Universidad de Barcelona Dipòsit Digital de Documents de la UAB Universitat Autònoma de Barcelona MethodsX |
| ISSN: | 2215-0161 |
| Popis: | Highlights • All the analytical methods have been successfully applied to acid oils and fatty acid distillates. • A detailed description of the sample preparation for analysis and applied analytical methods is provided as a compendium of methods in the supplementary material. • These methods will be extremely useful to improve the quality control of these heterogeneous feed ingredients. Acid oils and fatty acid distillates are by-products from the refining of edible oils and fats. They are used as feed ingredients, but their highly variable composition sometimes affects the productive parameters of the animals. Thus, their quality control and standardization are necessary. The official methods recommended for crude and refined fats and oils must be modified to give reliable results when applied to acid oils and fatty acid distillates. This article summarizes the drawbacks that were encountered during the setup of the analytical methods and how were they overcome by adapting the methods to these type of fat samples. Some methods such as the determinations of fatty acid composition, tocopherol and tocotrienol content, unsaponifiable matter, acidity and peroxide value had to be minimally adapted. However, others such as the determinations of moisture and volatile matter, insoluble impurities, lipid classes and p-anisidine value showed important drawbacks that required a more significant adaptation.•All the analytical methods have been successfully applied to acid oils and fatty acid distillates.•A detailed description of the sample preparation for analysis and applied analytical methods is provided as a compendium of methods in the supplementary material.•These methods will be extremely useful to improve the quality control of these heterogeneous feed ingredients. Graphical abstract Image, graphical abstract |
| Databáze: | OpenAIRE |
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