Process for extracting carotenes from carotene-containing materials

US6407306B1 · kind B1 · utility

Assignee

• Siegfried Peter · DE

Inventors

• Siegfried Peter · Erlangen, DE
• Martin Drescher · Nuremberg, DE
• Eckhard Weidner · Erlangen, DE

Key dates

• Filing date: Nov 10, 2000
• Grant date: Jun 18, 2002
• Expiry date: Dec 1, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B61/00
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process is described for extracting carotenes from carotene-containing materials, in particular from fats and oils of biological origin, which provides for extraction of carotene-containing material with an extractant comprising at least one member selected from the group consisting of acetonitrile, N-methylpyrrolidone, N,Ndimethylformamide, N,N-dimethylacetamide, 4-formylmorpholine, 4-acetylmorpholine, 4-methylmorpholine, 4-phenylmorpholine.