Patent ID: 7217546

Claim:
A method of preparing a policosanol composition containing 70% to 95% of C 24 –C 36 alkanols comprising: (i) 75% to 90% (w/w) of 1-octacosanol; and (ii) 5% to 15% (w/w) of a mixture of 1-tetracosanol, 1-hexacosanol, 1-heptacosanol, 1-triacontanol, and 1-tetratriacontanol; comprising the steps: (a) mixing a policosanol-containing starting material selected from the group consisting of sugarcane wax, beeswax, and rice bran with an immobilized lipase enzyme to form a mixture, (b) extracting the mixture in (a) with supercritical carbon dioxide; and (c) isolating said policosanol composition.