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
  • 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
  • Triacontanol Research 2026 | Nodulation & Biostimulant Guide
    Triacontanol Research 2026 | Nodulation & Biostimulant Guide
    Conclusion first: 2026 research is moving Triacontanol beyond the familiar “photosynthesis enhancer” story. New studies are probing soybean nodulation, antioxidant signaling, nutrient uptake and source-dependent biostimulant performance. The commercial lesson is equally important: equal assay does not guarantee equal biological response. Why Soybean Nodulation Matters Now A 2026 analysis of 31 U.S. studies estimated that biological N₂ fixation supplied about 53% of soybean nitrogen demand, versus roughly 62% required on average for a neutral nitrogen budget. That gap makes nodule efficiency a timely research target. 2026 Soybean Study: A Clear Dose Signal Researchers treated rhizobia-inoculated soybean roots with 0, 0.33, 0.5, 1 and 2 μg/mL Triacontanol. The 0.5 μg/mL treatment produced the highest nodule number at 14 and 28 days. Transcriptomics identified 867 differentially expressed genes, and follow-up work identified GmHSP26 as a positive regulator linked to Triacontanol-responsive nodulation and antioxidant activity. Signal Finding Buyer takeaway Dose 0.5 μg/mL performed best in this system More is not automatically better. Mechanism Antioxidant response + GmHSP26 Research is moving toward molecular evidence. Scope Controlled experiment Not a field-yield guarantee. Source and Processing Can Change Performance A June 2026 Frontiers in Plant Science study compared synthetic Triacontanol with two legume-derived extracts at an equivalent 2 mg/L dose in hydroponic rocket. Leaf fresh weight rose by 42%, 67% and 45%; the best-performing extract increased root fresh weight by 122%. SPAD values increased by about 24–34%. The same study found stronger Ca, Fe, P and S accumulation with the best-performing extract and concluded that extraction conditions and source matrix influenced biological response. For formulators, this is the key point: assay alone cannot fully predict efficacy. What Product Developers Should Validate 2026 qualification rule: identity → assay/homolog profile → analytical method → dispersion/formulation → crop-specific dose response → multi-batch consistency → field validation. The EU Fertilising Products Regulation defines plant biostimulants around nutrient-use efficiency, abiotic-stress tolerance, quality traits and nutrient availability. Triacontanol may fit product-development strategies around those outcomes, but the ingredient alone does not make a finished formulation compliant. Connecting the Research to SF-003 HUZHOU SIFENG BIOCHEM CO., LTD focuses on plant high-carbon fatty alcohols. Its SF-003 Triacontanol is published under CAS 593-50-0 in 90% and 95% specifications. Our related article on Policosanol, Octacosanol and Triacontanol discusses processing and formulation considerations. FAQ Does the soybean study prove field-yield gains? No. It shows a controlled nodulation mechanism; field performance still requires validation. Which soybean dose performed best? 0.5 μg/mL produced the highest nodule number in that experimental system. Why can source matter? A 2026 rocket study found different responses among synthetic and differently extracted materials at an equivalent dose. What should buyers validate? Identity, assay, homolog profile, analytical method, formulation behavior and multi-batch consistency. Sources & Verification Soybean nodulation: https://www.mdpi.com/2223-7747/15/10/1572 Triacontanol biostimulant study: https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2026.1847175/full Soybean N budget: https://www.nature.com/articles/s44264-026-00126-z EU definition: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=celex:32019R1009 Evaluate Triacontanol for a Real Formulation Share the target crop, delivery form, assay requirement and validation plan. We can discuss whether SF-003 90% or 95% is the more practical starting material for sample evaluation. HUZHOU SIFENG BIOCHEM CO., LTD · sales@sifengbio.com · Triacontanol SF-003