Process for the extraction of lycopene

Details Process for the extraction of lycopene Process for the extraction of lycopene

C - Chemistry, Metallurgy

07

C

C07C 7/00 (2006.01) A61K 31/01 (2006.01) A61K 36/81 (2006.01) A61P 39/06 (2006.01) C07C 7/10 (2006.01) C07C 11/21 (2006.01)

Patent

CA 2668439

The invention discloses a process for the extraction of lycopene from tomato by-products characterised in that said extraction is performed by means of a solvent mixture comprising two or more components, wherein one is apolar or moderately polar and has affinity for lycopene and at least one of the other solvents is polar. As example, a first solvent is an apolar solvent, a second solvent is a protic polar solvent, a third optional solvent is an aprotic polar solvent. In particular, said mixture has the following composition: hexane 10%-80%, ethanol 10%-60% and acetone 10%-60%. The use of multicomponent mixtures characterised by high extractive activity, fast extraction kinetics is one of the advantages of the present invention.

L'invention concerne un procédé pour l'extraction de lycopène à partir de sous-produits de la tomate, caractérisé en ce que ladite extraction est effectuée au moyen d'un mélange de solvants comprenant deux ou plus de deux composants, l'un étant apolaire ou moyennement polaire et ayant une affinité pour le lycopène et au moins l'un des autres solvants étant polaire. À titre d'exemple, un premier solvant est un solvant apolaire, un deuxième solvant est un solvant polaire protique, un troisième solvant éventuel est un solvant polaire aprotique. En particulier, ledit mélange a la composition suivante : hexane 10 %-80 %, éthanol 10 %-60 % et acétone 10 %-60 %. L'utilisation de mélanges à plusieurs composants caractérisés par un pouvoir extractif élevé et une cinétique d'extraction rapide constitue l'un des avantages de la présente invention.

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