The component acids of rape seed oil

✍ Scribed by Baliga, M. N. ;Hilditch, T. P.

• Publisher: Wiley (John Wiley & Sons)
• Year: 1948
• Weight: 596 KB
• Volume: 67
• Category: Article
• ISSN: 0368-4075
• DOI: 10.1002/jctb.5000670616

✦ Synopsis

Abstract

The component acids of, four rape seed oils‐‐‐Indian (Toria, Guzerat), Polish (Danzig), and Argentine (Plate)‐‐‐and of ravison and Jamba rape seed oil have been studied in detail. Appropriate conditions (crystallization from ether at ‐‐‐40°) for the preliminary separation of the mixed fatty acids prior to ester‐fractionation have been selected which permit the approximate determination of the three unsaturated and five saturated minor component acids as well as of the four major components, crude, oleic, linoleic and linolenic acids. The average fatty acid composition of the four rape oil acids is palmitic 2·5, saturated Cm, C~18~, C~20~, C~22~ C~24~ (together) 5, hexadecenoic 2, oleic 15, linoleic 13·5, linolenic 8, eicosenoic 5, erucic 48, and docosadienoic I% (wt.). Ravison oil fatty acids contain less erucic acid (39%) and more linoleic acid (21%). Jamba rape oil fatty acids contain less erucic acid (37·5%) and apparently larger proportions of oleic (c. 20%) and eicosenoic (c. II%) acids.