A new variety of low-linolenic rapeseed oil; Characteristics and room-odor tests |
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Authors: | A Prévôt J L Perrin G Laclaverie Ph Auge J L Coustille |
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Affiliation: | (1) Institut des Corps Gras, rue Monge, Parc Industriel, 33600 PESSAC, France |
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Abstract: | Two Canadian rapeseed oils, “Westar” and “low-linolenic”, supplied by the Canola Council were studied and compared with a
French rapeseed. The linolenic acid content of the low-linolenic variety is about 3%. This drop in the C18∶3 is completely
compensated for by an increase in the C18∶2. Seventy-two percent of the triglycerides with at least one linolenic chain disappeared.
A strong increase in the OOL and OLL was observed. The room-odor tests showed that the “low-linolenic” had a significantly
higher odor score than the French rapeseed and the “Westar”, both of these being very similar. A fruity odor dominated in
the “low-linolenic”, and the fishy painty odors were particularly reduced. |
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