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SUMMARY Five samples of industrially hydrogenated fats of marine origin were analyzed for fatty acid composition by the combined methods of group‐separation by thin‐layer partition chromatography followed by gas‐liquid chromatography of each group. The general fatty acid composition was 30–45% saturated acids, 45–55% monoenoic acids, and lo‐20% polyenoic acids. A substantial part of the polyenoic acids were trienoic acids, the rest dienoic. The presence of tetraenoic acids could be ascertained in the low‐melting samples (mp 30–32°C).
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Lambertsen et al. (1966) studied this question.
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