High-Purity Verified Ingredients & Bioactive Actives
Explore our core portfolio of validated plant isolates, amino acids, and therapeutic actives engineered to pharmacopoeia specifications.
The Science of Capsanthin: Natural Colorant, Potent Xanthophyll Carotenoid
In modern industrial chemistry and dietary nutrition, Capsanthin (CAS 465-42-9) serves a dual functional mandate: an intense, oil-soluble lipophilic red pigment and a high-efficiency scavenger of reactive oxygen species.
Molecular Conjugation & Stability
Capsanthin is characterized by a unique polyene chain containing eleven conjugated double bonds, a keto group, and a cyclopentane ring. This specific keto-carotenoid skeleton confers superior tinctorial strength and higher thermal resilience compared to conventional beta-carotene.
Photometric & HPLC Standardization
We supply bulk capsanthin calibrated both by color value (E 1% 1cm measured at 460 nm, ranging from 10,000 to 100,000 CU) and high-performance liquid chromatography (HPLC) testing to ensure precise quantification of active capsanthin and capsorubin diesters.
Clean-Label Regulatory Mandate
As food and nutraceutical brands eliminate artificial azo dyes (such as Red 40), capsanthin offers non-GMO, clean-label compliance under European Union E160c authorization, US FDA 21 CFR §73.345, and international pharmacopoeial benchmarks.
China Factory 4.0: Supply Chain Resilience & Extraction Excellence
Operating out of the Qinling botanical corridor and industrial biotech hubs, our smart-plant infrastructure integrates IoT tracing, closed-loop supercritical fluid extraction, and analytical release pipelines.
Closed-Loop Supercritical CO2
Utilizing low-temperature supercritical CO2 extraction prevents thermal degradation and eliminates hazardous petrochemical residual solvents, achieving pesticide and polycyclic aromatic hydrocarbon (PAH4) levels strictly below EU limits.
Automated Deodorization & Pungency Stripping
Our molecular distillation columns remove volatile capsaicinoids down to < 10 ppm (virtually non-pungent), enabling color and nutraceutical application in dairy, beverage, and soft-gel encapsulation without heat irritation.
Fully Integrated Agronomy
We manage direct contracted chili cultivation bases across Xinjiang and Shaanxi, standardizing cultivar lineage (Capsicum annuum L.) and soil health to guarantee batch-to-batch yield consistency and insulation against market price swings.
Capsanthin Extraction & Processing Grades
Comprehensive specifications comparing oil-soluble, water-dispersible, and microencapsulated powder formulations for diversified industrial integration.
| Commercial Grade | Physical State | Color Unit (CU) / Assay | Carrier / System | Primary Industrial Use Case |
|---|---|---|---|---|
| Oil-Soluble Capsanthin Oleoresin | Viscous dark red liquid | 20,000 – 100,000 CU | Vegetable Oil / Pure Extract | Meat processing, marinades, dressings, softgel capsules |
| Water-Dispersible Emulsion | Homogeneous liquid | 10,000 – 40,000 CU | Polysorbate / Lecithin complex | Functional beverages, confectionery, sauce bases, soups |
| Microencapsulated Beadlet Powder | Free-flowing fine powder | 5,000 – 20,000 CU | Maltodextrin / Gum Arabic | Direct powder mixing, instant ramen seasonings, hard capsules |
| Pharma-Standard Xanthophyll Concentrate | Standardized crystalline oil | ≥ 10%–20% Pure HPLC Actives | Refined botanical carrier | High-potency antioxidant supplements, eye health formulas |
Macro-Industry Solutions & Localized Regulatory Assurance
Navigating multinational food safety directives demands systematic documentation, proactive testing regimes, and tailored supply chain logistics.
European Union & EFSA Standards
Our manufacturing lines operate strictly under Commission Regulation (EU) No 231/2012 criteria. Batch-specific testing guarantees absence of illegal azo dyes (Sudan I, II, III, IV, Para Red) and establishes PAH4 limits compliant with EU No 2015/1933.
US FDA & FSMA Ready
Qualified through Foreign Supplier Verification Programs (FSVP), our facilities provide transparent cGMP audits, non-GMO declarations, Kosher, Halal, and full Allergen-free certifications for swift entry into North American food networks.
Cold-Chain & Nitrogen Packaging
Carotenoids are prone to oxidative degradation. We export Capsanthin sealed in heavy-duty aluminum drums or multi-barrier foil bags under ultra-pure nitrogen blankets, supported by temperature-monitored refrigerated marine and air logistics.
Future Outlook: Nano-Emulsions & Bioavailability Research
Addressing the fundamental biophysical limitations of lipophilic carotenoid absorption through state-of-the-art lipid encapsulation and functional research.
Phospholipid Liposomal Trapping
By trapping purified capsanthin inside non-GMO sunflower lecithin bilayer vesicles, our R&D teams have increased cellular uptake across human intestinal Caco-2 models by over 420% compared to standard unformulated paprika oleoresin.
Metabolic & Ocular Research
Emerging clinical studies investigate capsanthin for intraocular pressure modulation, high-density lipoprotein (HDL) functionality, and endurance recovery, establishing grounds for value-added nutraceutical claims beyond its colorant heritage.
Enzymatic Esterification Refining
We are scaling bio-catalytic ester cleavage protocols to tailor free-to-esterified capsanthin ratios, giving beverage manufacturers clarity in acidic liquid products without ring precipitation or turbidity shifts.
Frequently Asked Technical Questions: Sourcing Capsanthin in Bulk
Essential guidance on analytical methods, shelf stability, storage conditions, and custom lot blending for manufacturing buyers.
Color Value (CU) reflects spectrophotometric absorbance at 460 nm in acetone (E 1% 1cm), measuring gross chromatic tinctorial power. High-Performance Liquid Chromatography (HPLC) isolates and precisely quantifies individual chemical entities, separating active capsanthin, capsorubin, zeaxanthin, and cryptoxanthin for pharmaceutical precision.
Every production run undergoes routine screening via LC-MS/MS testing at third-party accredited laboratories (such as SGS or Eurofins) to confirm that illegal synthetic adulterants (Sudan I–IV, Rhodamine B, and Orange II) are completely undetectable down to sub-ppb thresholds.
Under uncompromised nitrogen packaging in sealed aluminum drums stored at temperatures below 10°C (recommended 2–8°C) in dry, dark warehouses, Capsanthin retains its specified color intensity and oxidative assay profile for up to 24 months from the manufacturing release date.
Yes. Standard carotenoids bleach under intense dry extrusion temperatures exceeding 130°C. We manufacture specialized microencapsulated beadlets utilizing antioxidant synergistic coatings (natural mixed tocopherols and rosemary extract) to preserve up to 92% tinctorial retention through industrial cooking.
Qualified Specialty Ingredients for International Export
Integrate your raw material procurement across plant extracts, peptide building blocks, and cosmetic actives through our unified supply chain.
