Absolute neutral oil content of vegetable oils by radiochemical technique |
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Authors: | C A Marcopoulos K A Manolkidis |
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Affiliation: | (1) Chemistry Division, Nuclear Research Center Democritus, Greek Atomic Energy Commission, Athens, Greece |
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Abstract: | Laboratory refining loss, determined by the chromatographic method, is checked by a radio-chemical procedure. Neutral triglycerides
are labeled with C14-tripalmitate and passed through an alumina column to find out if the alumina retains a percentage of them.
Cottonseed oil is also labeled and, by applying the calculations of the isotope dilution analysis, the absolute neutral oil
content and therefore the theoretical refining loss are determined.
The theoretical and the chromatographic refining losses are compared, and a relation between them is proposed for cottonseed
oils. |
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