Objective
A batch of milk fat containing added antioxidant was ampouled under nitrogen and the stability of the fatty acids demonstrated in a 3-year study. The butyric acid content was certified after a preliminary study of methods. Certification was based on Community employed gas liquid chromatography (GLC) methods (via underivatised butyric acid and via methyl esters) and, by high performance liquid chromatography (HPLC) and gas chromatography-mass spectroscopy (GC-MS) methods which had been specially developed for this work. A mixture of tributyrin and beef fat was used to validate the methods used in the study. The fatty acid profile was determined by 6 laboratories which were experienced with milk fat analysis. Certified values available for 9 of the major components and indicative values for a further 21 fatty acids.
Butter fat is more complex than the common animal and vegetable oils and fats and, generally, its analysis is carried out in specialised dairy laboratories. Gas chromatographic (GC) determination of the fatty acid profile via their methyl esters is complicated by the wide range of volatility of the components (C4:0, butyric acid up to C18 and, in trace amounts, higher acids).
In addition butyric acid, a fatty acid virtually unique to butter fat, is an important quality indicator and, because the natural range is relatively low (typically 3.2 to 4.0% absolute), the mean value of 3.6% is often taken as the presumptive value for estimating the amount of butter in mixtures of fat e.g. in chocolate confectionary for tax purposes.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- agricultural sciences animal and dairy science dairy
- natural sciences biological sciences biochemistry biomolecules lipids
- social sciences sociology governance taxation
- agricultural sciences agriculture, forestry, and fisheries agriculture horticulture vegetable growing
- natural sciences physical sciences optics spectroscopy
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
28040 Madrid
Spain
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