HUZHOU SIFENG BIOCHEM CO., LTD

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Since 2003
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Tax credit grade A
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Business covers 40+ countries
TOP3
Top manufacturer china
Key Products

Item:SF-001

CAS No.: 142583-61-7

Specifications:95%;98%;99%

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Item:SF-002

CAS No.: 557-61-9

Specifications:10%;12%;40%;50%;60%;90%

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Item:SF-003

CAS No.: 593-50-0

Specifications:90%;95%

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Main Products
Microalgae DHA Powder
Microalgae DHA Powder

CAS NO.: 6217-54-5

Instant Pearl Powder
Instant Pearl Powder

CAS NO.: ---

Superfine Pearl Powder
Superfine Pearl Powder

CAS NO.: ---

Silk Amino Acid
Silk Amino Acid

CAS NO.: 60650-89-7

Silk Fibroin Powder
Silk Fibroin Powder

CAS NO.: 9009-99-8

Silk Peptide Powder
Silk Peptide Powder

CAS NO.: 73049-73-7

Sericin Powder
Sericin Powder

CAS NO.: 60650-89-7

About Us

 

HUZHOU SIFENG BIOCHEM CO., LTD is a premier manufacturer and global supplier of high-purity plant extracts and nutritional ingredients. With a history traceable back to 2003, the company has evolved into one of the top three manufacturers in China for its core product lines, combining large-scale production with rigorous scientific innovation.

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Why choose Sifeng?
Focusing on segmented tracks, with deep industry accumulation

Starting in 2010, we have been deeply involved in the field of high carbon fatty alcohols in plants for over ten years. As a pioneer in the industry, we have continuously invested in the research and development of octacosanol and triacontanol, and our market share ranks among the top.

Exclusive patented technology, excellent quality and purity

Holding independent patent (CN103232320A), breaking through the bottleneck of purification. We can provide stable supply of 10% -90% multi specification priliol and high-purity monomers, ensuring product efficiency, safety, and stability.

Scale production capacity support, full range product supply

We have the scale capability to produce 10 tons of 28 octane alcohol and 30 tons of mixed alcohol annually. Covering the full range of C24-C34 fatty alcohol monomers and mixtures, and expanding to include multiple raw materials such as silk fibroin and pearls.

Global market validation, widely recognized and applied

Our products are sold well in over 40 countries including the United States, Japan, and South Korea, and have successfully entered the global supply chain. Widely used in high-end health supplements and cosmetics, trusted by international customers.

News
  • Hexacosanol vs Octacosanol vs Triacontanol: Why Just Two Carbon Atoms Can Change Melting Behavior, Formulation Performance and End-Use Applications
    Hexacosanol vs Octacosanol vs Triacontanol: Why Just Two Carbon Atoms Can Change Melting Behavior, Formulation Performance and End-Use Applications
    Conclusion first: Hexacosanol, Octacosanol and Triacontanol are neighboring straight-chain primary fatty alcohols, but they are not interchangeable. From C26 to C28 to C30, only two carbons are added at each step, yet molecular weight, lipophilicity and melting behavior rise—changing processing and formulation choices. Same Functional Group, Different Chain Length Hexacosanol is C26H54O, Octacosanol is C28H58O, and Triacontanol is C30H62O. Each step adds C2H4 and about 28 g/mol. PubChem gives molecular weights of about 382.7, 410.8 and 438.8 g/mol. C26H54O → C28H58O → C30H62O Constant: one terminal hydroxyl group. Changing: chain length, molecular weight, hydrophobic contribution and crystal packing. Two Extra Carbons Shift Physical Behavior Property Hexacosanol Octacosanol Triacontanol Carbon number C26 C28 C30 CAS No. 506-52-5 557-61-9 593-50-0 Molecular weight 382.7 410.8 438.8 g/mol PubChem XLogP3 12.7 13.8 14.9 Polar surface area 20.2 Ų 20.2 Ų 20.2 Ų Representative TCI melting range* 78–81 °C 81–85 °C 85–90 °C The useful pattern is directional: the –OH head remains unchanged while the hydrocarbon chain grows. PubChem XLogP3 rises from 12.7 to 14.9 while polar surface area stays at 20.2 Ų, showing increasing lipophilic character from C26 → C30. *TCI values are representative grade specifications, not universal constants. Purity, homolog distribution and test method can shift an observed melting range. Why This Matters in Formulation Melting behavior affects melt incorporation, oil-phase dissolution and crystallization during cooling. Moving from C26 toward C30 may require a different thermal window or carrier system. In aqueous or semi-aqueous systems, particle size and emulsifier choice may matter as much as assay. Higher purity does not automatically mean easier formulation. Different Molecules, Different Application Logic Octacosanol is established as a nutritional/functional ingredient; Triacontanol is widely studied as a plant growth regulator; Hexacosanol is often evaluated as a homolog-specific high-carbon fatty alcohol. Their shared family does not imply the same formulation or qualification route. What Buyers Should Compare Beyond Purity Qualification logic: target-alcohol assay → homolog profile → GC method → melting range → source → residual controls → particle form → formulation compatibility → multi-batch consistency. Because neighboring C26/C28/C30 homologs are chemically similar, buyers should confirm whether a percentage refers to the target monomer or a broader total alcohol fraction. A headline purity value cannot replace a clear GC profile. Sifeng Bio's C26–C30 Platform HUZHOU SIFENG BIOCHEM CO., LTD states that its platform covers C24–C34 fatty alcohol monomers and mixtures. It lists Octacosanol SF-002 from 10% to 90%, Triacontanol SF-003 at 90% and 95%, and Hexacosanol at 90% and 95%. For sourcing, homolog control and application fit matter more than asking which carbon number is “better.” FAQ What is the main difference between Hexacosanol, Octacosanol and Triacontanol? Hexacosanol, Octacosanol and Triacontanol are C26, C28 and C30 linear primary fatty alcohols. Increasing chain length raises molecular weight, lipophilicity and, directionally, melting temperature. How do Hexacosanol, Octacosanol and Triacontanol differ in melting behavior? Representative TCI ranges are 78–81 °C for Hexacosanol, 81–85 °C for Octacosanol and 85–90 °C for Triacontanol. These are grade-specific ranges, not universal constants. Are Hexacosanol, Octacosanol and Triacontanol interchangeable in formulations? No. Hexacosanol, Octacosanol and Triacontanol differ in chain length, hydrophobicity and melting behavior, so solvent system, process temperature and dispersion strategy should be validated separately. How should B2B buyers compare Hexacosanol, Octacosanol and Triacontanol quality? Buyers comparing Hexacosanol, Octacosanol and Triacontanol should verify target-alcohol assay, homolog profile, GC method, melting range, residual controls and multi-batch consistency. Sources & Verification PubChem: Hexacosanol · Octacosanol · Triacontanol TCI melting-point references: C26 · C28 · C30 NIST Chemistry WebBook: 1-Hexacosanol · Octacosanol Comparing C26, C28 or C30? Share target alcohol, assay, application, annual volume and destination market before sample qualification. HUZHOU SIFENG BIOCHEM CO., LTD · sales@sifengbio.com
  • Policosanol Evidence Update 2025–2026: What 45 Studies Really Say About Cholesterol, Blood Pressure and Why Results Still Differ
    Policosanol Evidence Update 2025–2026: What 45 Studies Really Say About Cholesterol, Blood Pressure and Why Results Still Differ
    Conclusion first: Policosanol remains scientifically interesting, but the evidence is mixed. A 2025 systematic review identified 45 eligible studies; newer randomized data reported blood-pressure and lipid improvements, while earlier independent trials found no significant cholesterol benefit. The better question is which material, dose, population and study design produced the result? What the 2025 Review Really Shows The review screened 528 records and included 45 studies: 19 randomized trials, 9 comparative studies, 9 nutraceutical studies, while 8 reported no significant effect. Importantly, its search ended in April 2024, so newer 2025 hypertension data were not included. New 2025 Data Add a Blood-Pressure Signal In a Cuban multicenter trial, 200 prehypertensive participants received placebo or 20 mg/day sugarcane-wax alcohols for 12 weeks. 44% reached an SBP reduction ≥10 mmHg versus 7% with placebo. The Grade I hypertension stratum later reported 74% versus 12%. Evidence Key result Meaning 2025 systematic review 45 studies; positive and null findings Large but heterogeneous evidence base. 2025 prehypertension stratum 44% vs 7% reached ≥10 mmHg SBP reduction New positive signal. 2006 German RCT 143 patients; 10–80 mg/day; no lipid benefit vs placebo Results are not universally reproducible. Why the Cholesterol Evidence Is Still Contested A German randomized trial found no significant LDL-C benefit at 10–80 mg/day, and other independent studies also reported null lipid results. This challenges the idea that every “Policosanol” product is clinically interchangeable. Composition may contribute, but cannot explain everything. Policosanol is a mixture of long-chain primary alcohols, commonly including C24, C26, C28 and C30. Food Chemistry research showed source-dependent profiles and found some supplements containing less total Policosanol than claimed. What Ingredient Buyers Should Validate Better qualification rule: source + total alcohol assay + homolog profile + analytical method + residuals + multi-batch consistency + claim/regulatory review. This is why Octacosanol is not synonymous with Policosanol: C28 may be a major constituent, but Policosanol is a mixture. Compositional consistency therefore matters. Connecting the Evidence to SF-001 HUZHOU SIFENG BIOCHEM CO., LTD focuses on plant high-carbon fatty alcohols. Its SF-001 Policosanol is supplied under CAS 142583-61-7. Our related article on Policosanol, Octacosanol and Triacontanol explains why separation and homolog control matter in industrial production. FAQ What does the latest Policosanol clinical evidence say about cholesterol management? Policosanol clinical evidence remains mixed. A 2025 systematic review identified 45 studies with both positive and null findings, showing that results depend on study design, population, dose and material characteristics. Can Policosanol lower blood pressure according to 2025 research? Recent Policosanol research reported blood-pressure improvements in specific randomized trials using sugarcane-wax alcohols, but these findings should be interpreted together with earlier studies reporting different outcomes. Why do Policosanol products show different clinical results? Policosanol is a mixture of long-chain fatty alcohols rather than a single compound. Source, alcohol composition, analytical methods, dose and study population may influence reported outcomes. What should buyers check when sourcing Policosanol ingredients? Policosanol buyers should verify source, total alcohol assay, individual homolog profile, analytical method, residual controls, batch consistency and regulatory requirements for the intended application. What is new in 2025–2026? New Cuban randomized data reported blood-pressure and lipid improvements, but they should be read alongside earlier null trials. Why might products behave differently? Policosanol is a mixture, so source and alcohol composition can vary; this may contribute to variability but does not fully explain it. What should buyers verify? Source, total alcohol assay, homolog profile, analytical method, residuals and multi-batch consistency. Sources & Verification 2025 systematic review: ScienceDirect 2025 randomized data: Prehypertension · Grade I hypertension Independent null RCT: JAMA / PubMed · Composition study: Food Chemistry Qualifying a Policosanol Ingredient? Share your target source, analytical profile, annual volume and destination market. We can discuss SF-001 documentation and sample evaluation while keeping finished-product efficacy claims separate from raw-material specifications. HUZHOU SIFENG BIOCHEM CO., LTD · SF-001 Policosanol