C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 57/12 (2006.01) C07C 51/353 (2006.01) C11C 3/14 (2006.01)
Patent
CA 2495532
A method for the preparation and purification of conjugated linolenic acids is described. The method comprises blending a mixture of vegetable oils and or fats including various concentrations of alpha or gamma and or both linolenic acids with a base. The method transforms approximately over two thirds of .alpha.-linolenic acid (9Z,12Z,15Z-octadecatrienoic acid) into 9Z,11E,15Z- octadecatrienoic acid and 9Z,13E,15Z-octadecatrienoic acid. The method also transforms gamma-linolenic acid (6Z,9Z,12Z-octadecatrienoic acid) into 6Z,8E,15Z-octadeccatrienoic acid and 6Z,10E,12Z-octadecatrienoic acid. In all cases, geometrical isomers and fully conjugated isomers are also produced.
L'invention concerne un procédé de préparation et de purification d'acides linoléniques conjugués, qui consiste à effectuer un mélange d'huiles végétales et/ou de matières grasses présentant diverses concentrations d'acides alpha et/ou gamma linoléniques associées à une base. Le procédé de l'invention transforme approximativement plus de deux-tiers de l'acide alpha-linolénique (acide 9Z,12Z,15Z octadécatriénoïque) en acide 9Z,11E,15Z octadécatriénoïque et en acide 9Z,13E,15Z octadécatriénoïque. Le procédé transforme également l'acide gamma-linolénique (acide 6Z,9Z,12Z octadécatriénoïque) en acide 6Z,8E,15Z octadécatriénoïque et en acide 6Z,10E,12Z octadécatriénoïque. Dans tous les cas, des isomères géométriques et des isomères entièrement conjugués sont également produits.
Angers Paul
Destaillats Frederic
Galvez Juan Miguel Garro
Robic
Universite Laval
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