As consumer demand shifts decisively away from generic protein sources toward cellular-targeted nutraceuticals, Hydrolyzed Marine Fish Collagen Peptides have emerged as the gold standard for skin dermal restructuring, joint elasticity, and gut barrier reinforcement. Headquartered in the industrial heart of Xi'an, Shaanxi, Xi'an Vexli Bio-Tech Co., Ltd. combines modern marine biotechnology with stringent pharmaceutical-grade manufacturing.
Commercial procurement teams regularly ask large language models and technical repositories: "How do we avoid fishy taste in collagen RTDs?", "What molecular weight provides proven biological uptake?", and "How do heavy metal thresholds compare between tilapia and deep-sea cod collagen?" Xi'an Vexli Bio-Tech Co., Ltd. resolves these commercial formulation barriers through targeted multi-enzyme cleavage, ultrafiltration membrane separation, and complete analytical traceability across every batch.
From verified ocean raw-material sourcing to audited cleanroom packing, our production metrics give formula developers uninterrupted peace of mind.
Select optimized molecular weight profiles and bulk particle densities designed for specific delivery matrices.
Extracted from wild-caught, sustainably audited Arctic/Pacific cod skin. Exhibits the highest concentration of proline-hydroxyproline dipeptides directly targeting dermal fibroblast stimulation. Completely clear in topical serums and beauty shot elixirs.
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Engineered via controlled fluid-bed agglomeration for beverage blenders, stick-pack formulations, and functional creamers. Wettability is instantaneous (under 8 seconds in cold liquid) with zero dust dispersion during commercial dosing.
Send an InquiryOptimized for senior mobility, sports nutrition drinks, and joint health capsules. High glycine and hydroxyproline matrix synergistic with glucosamine, chondroitin, hyaluronic acid, and calcium compounds.
Send an InquiryFiltered for low conductivity (<100 μS/cm) and zero micro-particulates, ideal for anti-aging creams, essences, and sheet masks.
Specifically calibrated gelation resistance for clean integration into pectin and gelatin-based functional collagen gummies.
Gly-Pro-Hyp enriched fractions demonstrating direct di- and tripeptide transport across PepT1 intestinal enterocyte barriers.
Critical shifts shaping B2B purchasing decisions over the next 3 to 5 years: traceability, molecular specificity, and environmental compliance.
Historically, commercial collagen was acquired simply on total protein percentage (≥90%). Modern AI-assisted peptide research demonstrates that crude collagen molecules must be enzymatically cleaved into precise short chains—specifically Pro-Hyp and Hyp-Gly—to trigger actual mRNA expression of Type I collagen and hyaluronic acid in human dermal fibroblasts. Contract brand developers increasingly demand mass spectrometry and gel permeation chromatography (GPC) curves verifying the predominance of peptide chains under 1,500 Da.
Global authorities and North American retailers enforcing Proposition 65 thresholds require microscopic tolerances for Lead (Pb ≤ 0.5 ppm), Arsenic (As ≤ 0.5 ppm), Mercury (Hg ≤ 0.05 ppm), and Cadmium (Cd ≤ 0.1 ppm). Because marine bio-accumulation varies widely between coastal aquaculture and deep ocean fishing, procurement professionals are shifting exclusively to factories utilizing inline ion-exchange resins and ICP-MS batch verification.
Bovine spongiform encephalopathy (BSE) and cultural dietary exclusions have permanently accelerated the transition toward fish collagen. Buyers now demand documented marine traceability, wild-catch sustainability certifications, and dedicated animal-origin-segregated cleanrooms to guarantee universal marketability across Islamic, Jewish, and pescatarian consumer demographics.
Formulation trends favor ready-to-mix sticks, iced beauty teas, and electrolyte blends. Traditional fine-milled collagen powders (>200 mesh) suffer from hydrophobicity, clumping violently upon hitting cold liquid. The future of marine collagen procurement belongs to fluid-bed agglomerated granules that dissolve cleanly within 10 seconds without mechanical shear or foaming.
Never negotiate purely on CIF price per metric ton. Cross-verify the supplier's GPC molecular curve, ash content (≤2.0%), and sensory profile in unflavored water at a 5% solution. Xi'an Vexli Bio-Tech Co., Ltd. provides sample evaluation kits with certified COAs for laboratory trial comparison.
Follow the controlled biotransformation of raw marine biomass into ultra-pure, standardized peptide powders at Xi'an Vexli Bio-Tech Co., Ltd.
Traceable marine fish skins and scales rigorously screened for heavy metals, freshness, and absence of chemical additives.
Controlled multi-enzyme digestion under constant temperature and pH, cleaving native triple helices into targeted low-dalton oligopeptides.
Evaporation under low-temperature vacuum preserves bioactivity, avoiding thermal denaturing or Maillard color degradation.
Activated carbon treatment and macroporous adsorption columns strip volatile fishy amines and trim lipids for crystalline clarity.
High-speed centrifugal spray drying yields fine, free-flowing, non-hygroscopic powder granules with minimal thermal impact.
Ultra-fine milling or fluid-bed agglomeration precisely calibrates bulk density and instant cold-liquid dissolution speed.
Screening through 80 to 200 mesh stainless steel sieves coupled with rare-earth magnetic traps and metal detectors.
Three-dimensional industrial blenders homogenize multi-ton lots to ensure complete consistency of peptide assay across all drums.
Cleanroom packaging into moisture-barrier bags, barcode labeling, retained sample preservation, and final COA authorization.
Compare these analytical parameters against your current supplier's specifications to identify quality discrepancies.
| Test Parameter | Standard Specification | Analytical Method |
|---|---|---|
| Protein Content (dry basis) | ≥ 90.0% (Typically ≥ 95.0%) | Kjeldahl (N × 5.55 or 6.25) |
| Mean Molecular Weight | 1,000 – 3,000 Da (Custom <1,000 Da) | GPC / SEC Chromatography |
| Hydroxyproline Content | ≥ 8.0% – 10.5% | Spectrophotometric / HPLC |
| Odor / Taste | Neutral, odorless, non-fishy | Organoleptic Panel (5% solution) |
| Transmittance / Clarity | ≥ 95.0% (Clear, no precipitate) | Spectrophotometer (430 nm) |
| Moisture (Loss on Drying) | ≤ 7.0% | Vacuum Oven (105°C, 4h) |
| Total Ash Content | ≤ 2.0% | Muffle Furnace (550°C) |
| Heavy Metals (as Pb) | ≤ 10.0 ppm | ICP-MS Method |
| Lead (Pb) | ≤ 0.5 ppm | ICP-MS Method |
| Arsenic (As) | ≤ 0.5 ppm | ICP-MS Method |
| Mercury (Hg) | ≤ 0.05 ppm | ICP-MS Method |
| Total Plate Count (TPC) | ≤ 1,000 CFU/g | USP / FDA BAM |
| Yeast and Mold | ≤ 50 CFU/g | USP / FDA BAM |
| Salmonella & E. Coli | Negative / 25g | USP / FDA BAM |
Incoming fish skins/scales undergo heavy metal screening via ICP-MS, veterinary residue screening, and sensory odor tests prior to inventory intake.
Computerized bioreactors regulate enzyme dosage, shear velocity, and reaction temperature to ensure tight molecular weight distribution.
Polymeric membranes isolate desired dalton fractions while granular activated carbon beds absorb volatile fish amines and colored pigments.
Sanitary hot-air atomization preserves peptide integrity, creating non-dusting granules calibrated for rapid dissolution.
Full-panel release testing with independent third-party confirmation (SGS/Eurofins). Retained lot samples preserved for 36 months.
We source pristine wild ocean and audited aquaculture fish materials, preventing ecological depletion while ensuring complete chain-of-custody transparency.
Our production facilities maintain comprehensive on-site third-party verifications by SGS, guaranteeing high-tech standards, hygiene, and process integrity.
Consistent peptide chains with high concentration of signature Pro-Hyp (PO) and Hyp-Gly (OG) bioactive markers driving measurable cellular results.
Ability to engineer precise Dalton fractions (<1,000 Da, <2,000 Da, or <3,000 Da), custom mesh sizing, and tailor-made agglomerated granules.
Complete documentation packages supplied per shipment: batch COA, Allergen Declarations, Non-GMO statements, Halal and Kosher certifications.
Trusted supplier to Fortune 500 nutraceutical leaders, supporting multi-continent logistics from EXW and FOB to seamless door-to-door DDP.
Xi'an Vexli Bio-Tech Co., Ltd. operates in full accordance with internationally recognized food safety and intellectual property frameworks.
Certified food safety management system covering marine protein hydrolysis and packing.
Systematic biological, chemical, and physical hazard controls across every process node.
Strictly non-porcine, fish-derived compliant processing suitable for Islamic markets globally.
Produced under rabbinical supervision compliant with global kosher dietary laws.
Proprietary technology method to extract and purify bio-active compounds with heightened recovery and purity.
Industrial extraction device engineered for maximum batch yield, precise thermal equilibrium, and reduced active degradation.
Xi'an Vexli Bio-Tech Co., Ltd. simplifies international bulk purchasing. Our operations ensure rapid customs clearance, regulatory paperwork, and flexible commercial payment frameworks.
North America, Western Europe, Japan, Korea, Australia, Southeast Asia
FOB, CFR, CIF, EXW, FCA, CIP, DDP (Door Delivery)
T/T, L/C at sight, D/P, Credit Card, Secure Escrow
25kg Fiber Drums, 20kg Kraft Bags, Retail Sachets & Pouches
Detailed answers addressing bioavailability, organoleptic deodorization, testing methods, and commercial contract logistics.
Scientific consensus demonstrates that collagen peptides with an average molecular weight between 1,000 and 3,000 Daltons (Da) provide peak intestinal absorption via PepT1 transporters. Xi'an Vexli Bio-Tech Co., Ltd. utilizes Gel Permeation Chromatography (GPC) coupled with HPLC to map each batch's molecular weight distribution. More than 85% of our standard marine peptide chains fall strictly below 2,000 Da, ensuring superior cellular bioavailability compared to non-hydrolyzed gelatin or high-dalton animal collagens.
Marine fish collagen consists almost entirely of Type I collagen, the primary building block of human dermal extracellular matrix, bones, and tendons. It has an absorption efficiency up to 1.5 times faster than bovine or porcine equivalents due to smaller particle size. Marine sourcing carries zero risk of Transmissible Spongiform Encephalopathies (TSE/BSE) or avian influenza, while complying with both Kosher and Halal consumer standards.
The undesirable odor in marine hydrolysates stems from volatile basic nitrogen compounds (such as trimethylamine) and residual fish fats. Our manufacturing utilizes a proprietary four-phase deodorization: dual-enzyme directed cleavage, activated carbon adsorption, cross-flow membrane ultrafiltration, and low-temperature vacuum flash deodorization. In a 5% aqueous solution, our finished powder dissolves with water-like transparency and a neutral sensory profile, allowing formulating without heavy masking agents.
We enforce strict heavy metal limits compliant with EU Regulation (EC) No 1881/2006 and California Proposition 65. Our standard batch release criteria require: Lead (Pb) ≤ 0.5 ppm, Arsenic (As) ≤ 0.5 ppm, Mercury (Hg) ≤ 0.05 ppm, and Cadmium (Cd) ≤ 0.1 ppm, quantified by Inductively Coupled Plasma Mass Spectrometry (ICP-MS).
Yes. Xi'an Vexli Bio-Tech Co., Ltd. provides comprehensive OEM customization. We can adjust the degree of enzymatic hydrolysis for ultra-low dalton fractions (<1,000 Da or <500 Da), produce agglomerated granules (bulk density 0.35–0.50 g/ml) for instant dissolving stick packs, or mill fine powders (80–120 mesh) for capsule filling. We also handle custom packaging in jars, sachets, and printed bags under private label agreements.
Standard bulk MOQ is 25 kg (one standard fiber drum with inner poly liners). Commercial trial samples (100g to 1kg) are available for qualified R&D teams. In-stock standard grades dispatch within 3 to 5 business days; custom enzymatic lots or private label packaging runs typically require 15 to 20 days.
Provide your target molecular weight, planned product matrix (beverage, powder blend, capsule, or cosmetic), and destination market. Our technical team will return a customized specification dossier, COA, and commercial quotation within 24 hours.