Patent ID: 6171830
Filing Date: 2001-01-09
Classification: A61K,A61P,C07K,C12P,G01N,Y02E

Abstract:
A method of purifying mycolic acids, salts thereof or derivatives thereof, said method consisting essentially of:a) providing a mixture comprising the mycolic acids, salts thereof or derivatives thereof and contaminants;b) dissolving the mixture in bi-phasic solvent to form a dissolved mixture comprising the mycolic acids, salts thereof or derivatives thereof and contaminants;c) purifying the mycolic acids, salts thereof or derivatives thereof by subjecting the dissolved mixture to countercurrent distribution separation comprising a sufficient number of cycles to separate the mycolic acids, salts thereof or derivatives thereof from the contaminants; andd) removing the separated, purified mycolic acids, salts thereof or derviatives thereof from the bi-phasic solvent.