Policosanol and sugar cane wax acids were obtained from Rainbow & Nature Pty, Ltd. (Thornleigh, Australia). Policosanol (PCO) contains alcohols of 8 long-chain wax alcohols, including 1-tetracosanol, 1-heptacosanol, 1-nonacosanol, 1-dotriacontanol, 1-hexacosanol, 1-octacosanol, 1-triacontanol, and 1-tetratriacontanol. SCWA contains 13 wax acids: C24 (tetracosanoic acid), C25 (pentacosanoic acid), C26 (hexacosanoic acid), C27 (heptacosanoic acid), C28 (octacosanoic acid), C29 (nonacosanoic acid), C30 (triacontanoic acid), C31 (hentriacontanoic acid), C32 (dotriacontanoic acid), C33 (tritriacontanoic acid), C34 (tetratriacontanoic acid), C35 (pentatriacontanoic acid), and C36 (hexatriacontanoic acid) wherein octacosanoic (C28) acid, an active metabolite of octacosanol, is the most bountiful compound.
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