Method of extracting lipids from marine and aquatic animal...

Details Method of extracting lipids from marine and aquatic animal... Method of extracting lipids from marine and aquatic animal...

C - Chemistry, Metallurgy

11

B

C11B 1/10 (2006.01) C12N 9/64 (2006.01)

Patent

CA 2346979

Provided herein is a method for extracting lipid fractions from marine and aquatic animal material by acetone extraction. The resulting non-soluble and particulate fraction is preferably subjected to an additional solvent extraction with an alcohol, preferably ethanol, isopropanol or t-butanol or an ester of acetic acid, preferably ethyl acetate to achieve extraction of the remaining soluble lipid fraction from the marine and aquatic animal material. The remaining non-soluble particulate contents is also recovered since it is enriched in proteins and contains a useful amount of active enzymes. Also provided herein is a krill extract.

L'invention concerne un procédé d'extraction de fractions lipides d'une matière d'un animal marin ou aquatique par extraction à l'acétone. La fraction insoluble particulaire ainsi obtenue est soumise, de préférence, à une extraction par solvant supplémentaire avec un alcool de préférence l'éthanol, isopropanol ou t-butanol ou un ester d'acide acétique, de préférence l'acétate d'éthyle pour terminer l'extraction de la fraction lipide soluble restante. Le contenu particulaire insoluble restant est aussi recouvert étant donné qu'il est enrichi en protéines et renferme une quantité utile d'enzymes actives. Fait aussi l'objet de cette invention un extrait de krill.

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