Extraction of antioxidants

Details Extraction of antioxidants Extraction of antioxidants

C - Chemistry, Metallurgy

11

B

C11B 1/00 (2006.01) A23D 9/06 (2006.01) A23L 1/30 (2006.01) A23L 1/39 (2006.01) A61K 8/92 (2006.01) A61K 8/97 (2006.01) A61Q 19/00 (2006.01) C11B 1/06 (2006.01) C11B 1/10 (2006.01) C11B 5/00 (2006.01)

Patent

CA 2257814

A process for isolating antioxidant compositions from olives comprising grinding olives to obtain ground olive material; drying the ground olive material under vacuum to reduce the water content of the olive material to obtain dried olive material rich in water-soluble antioxidants; pressing the dried olive material so as to collect an antioxidant-enriched lipid fraction and a cake; and subjecting the cake to at least one hot extraction with an extraction substance comprising a mixture of medium-chain triglycerides or with a C2-C6 alkylene glycol under a pressure of at least 40 bar to obtain an antioxidant- enriched extract from the cake.

L'invention concerne un procédé d'extraction d'antioxydants d'olive, une fraction lipidique enrichie en antioxydants, un extrait enrichi en antioxydants ainsi qu'une composition alimentaire ou cosmétique, comprenant cet extrait.

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