Policosanol, Octacosanol, and Triacontanol are key aliphatic alcohols in bio-nutritional formulations. Industrial extraction requires thermodynamic modeling and crystallization control to overcome structural similarities in natural waxes and eliminate impurities.
Separating C28 and C30 homologs during recovery remains a main challenge due to co-crystallization and low solubility in natural wax matrices.
Governing Parameters:
1. Co-Crystallization: Free energy differentials require selective solvent pairs.
2. Mass Transfer: Higher carbon numbers increase melting points and reduce solubility.
| Item | Product Name | CAS No. | Specs | Key Scale-Up & Formulation Challenges |
|---|---|---|---|---|
| SF-001 | Policosanol | 142583-61-7 | 95% - 99% | Maintaining precise constituent alcohol ratios at industrial scale. |
| SF-002 | Octacosanol | 557-61-9 | 10% - 90% | Preventing thermal cracking during high-vacuum distillation. |
| SF-003 | TRIACONTANOL | 593-50-0 | 90%; 95% | High hydrophobicity; requires micronization for dispersion stability. |
Reaching high purity relies on multi-stage fractional crystallization. Controlled cooling and targeted reflux decouple nucleation from crystal growth, enabling clean filtration.
Literature References:
• Small, D. M. (1986). The Physical Chemistry of Lipids. Plenum Press.
• Phase Transitions of C28/C30. J. Agric. Food Chem., 62(14), 3211-3220.
High-vacuum distillation of Triacontanol increases fluid viscosity. Wiped film evaporators shorten residence times to seconds, eliminating local overheating and thermal degradation.
Jet milling and high-pressure homogenization reduce hydrophobic particle sizes to sub-micron levels, preventing grittiness in topical formulations and improving powder blending uniformity.
Q: How does Octacosanol purity affect formulation shelf-life?
A: High-purity grades prevent lipid peroxidation. Lower grades contain residual waxes that undergo rancidity.
Q: What governs solvent selection for Triacontanol?
A: Steep temperature-solubility gradients—minimal solubility at ambient temperature and high solubility near boiling.
Q: Why are homolog ratios critical in Policosanol?
A: Regulatory monographs define Policosanol by precise alcohol ratios to ensure consistent bio-efficacy.
Established in 2003, HUZHOU SIFENG BIOCHEM CO., LTD is a top 3 Chinese manufacturer of high-purity plant extracts, offering full traceability from raw intake to delivery.
Core Portfolio:
• Aliphatic Alcohols: Policosanol (95-99%), Octacosanol (10-90%), Triacontanol (90-95%).
• Bio-Extracts: Microalgae DHA, Pearl Powders, Silk Amino Acids & Peptides.
Proprietary Patents: Octacosanol Process (CN103232320B) & Myricetin Process (CN101838255B).
