n -EICOSENOIC ACID IN SOME NATURAL GLYCERIDE OILS

• Published in: Canadian Journal of Chemistry
• Main Authors: Hopkins, C. Y., Chisholm, Mary J.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1954
• Subjects: Organic Chemistry; General Chemistry; Catalysis; Beluga; Beluga*; Delphinapterus leucas; White whale; Squalus acanthias
• Online Access: http://dx.doi.org/10.1139/v54-136; http://www.nrcresearchpress.com/doi/pdf/10.1139/v54-136

n-Eicosenoic acid (as acid or ester) was isolated from the following oils: rutabaga seed (Brassica napobrassica Mill.), frenchweed seed (Thlaspi arvense L.), dogfish liver (Squalus acanthias L.), and the blubber oil of the beluga or white whale (Delphinapterus leucas [Pallas]).The eicosenoic acid from each of these materials was found to have the unsaturation in the 11,12 position. The content of eicosenoic acid in the four oils is estimated as follows (% of the total fatty acids): rutabaga 6, frenchweed 7, dogfish liver 11, beluga 4. The best sources, in respect to yield and purity, were frenchweed seed and rutabaga seed.The frenchweed oil had the following fatty acid composition (% total fatty acid): saturated acids 3, oleic 16, linoleic 25, linolenic 12, eicosenoic 7, erucic 37.9-Hexadecenoic acid was identified as a constituent of dogfish liver oil and beluga oil.