Le-Nutra: 14 Years of Innovation in Natural Ingredients
Le-Nutra is a biotechnology enterprise with a stellar reputation in the industry, having devoted 14 years to natural ingredients. We are dedicated to the research, production, and marketing of natural, healthy, and innovative raw materials widely used in nutraceuticals, foods, beverages, cosmetics, and personal care products.
We boast a broad product range that includes botanical extracts, plant proteins, protein hydrolysate actives, moisturizing emollients, and natural surfactants.
Our Production Strength
We have advanced large-scale production equipment and diversified production lines. Our facility covers 60,000 square meters with an annual raw material production capacity of 3,000 tons.
6 multifunctional production lines are equipped with different types of extraction tanks, contributing to the process of a wide range of plant materials and the production of raw materials with diversified purities and applications.
Why Global Buyers Choose China for Marine Collagen
Understanding the strategic advantages, supply chain resilience, and technological edge of Chinese manufacturers
Global Sourcing Trends
The global demand for clean-label, high-bioavailability proteins has made hydrolyzed fish collagen a top choice. Buyers are shifting toward sustainable marine sources to avoid bovine/porcine disease risks and meet diverse consumer preferences (such as pescatarian and Halal/Kosher requirements).
China's Production Edge
China leads in enzymatic extraction technology, utilizing advanced membrane filtration to isolate specific molecular weights (500–3000 Da). Chinese manufacturers offer unparalleled scalability, enabling high-purity batch production with clean color and neutralized odor profiles suitable for cosmetics and premium beverages.
Cost & Supply Chain Efficiency
By integrating raw material sourcing from expansive aquaculture networks with state-of-the-art logistics hubs, Chinese manufacturers deliver highly competitive pricing. High-capacity spray dryers and automated packaging facilities ensure short lead times and stable pricing, even for massive bulk orders.
Xi’an Le-Nutra Ingredients Inc - Advanced Production Facilities
What is Hydrolyzed Marine Collagen Peptide?
A comparative analysis of collagen sources, structural differences, and absorption dynamics
Molecular Structure & Bioavailability
Collagen in its native state has a molecular weight of approximately 300,000 Daltons, making it too large for direct absorption by the human body. Through controlled enzymatic hydrolysis, the triple-helix structure is broken down into small bioactive peptides, typically ranging between 500 and 3,000 Daltons.
Marine collagen consists primarily of Type I collagen, which is the most abundant form in human skin, bones, and connective tissues. Due to its lower molecular weight and similarity to human collagen structures, it exhibits absorption rates up to 1.5 times higher than bovine or porcine alternatives.
Type I vs. Type II Collagen
- Type I Collagen: Extracted from fish skin and scales. Excellent for skin elasticity, hydration, hair strength, and anti-aging cosmetics.
- Type II Collagen: Typically sourced from chicken sternum or fish cartilage. Primarily targets joint health, cartilage repair, and anti-inflammatory formulations.
Source Comparison: Marine vs. Terrestrial Collagen
| Parameter | Marine Collagen (Fish) | Bovine Collagen (Cattle) | Porcine Collagen (Pig) | Chicken Collagen |
|---|---|---|---|---|
| Primary Type | Type I | Type I & III | Type I & III | Type II |
| Molecular Weight | 500 - 3,000 Da (Highly customizable) | 3,000 - 5,000 Da | 3,000 - 5,000 Da | >5,000 Da |
| Bioavailability | Excellent (Up to 1.5x faster absorption) | Moderate | Moderate | Low to Moderate |
| Odor & Taste | Neutralized (Le-Nutra process) | Slightly beefy | Slightly fatty | Characteristic chicken notes |
| Allergen Risks | Fish allergen (must label) | BSE/TSE risks | Religious restrictions (Halal/Kosher) | Avian influenza risks |
The Production Process Flow
How Le-Nutra transforms sustainable marine raw materials into high-purity bioactive peptides
Raw Material Selection & Cleaning
Sourcing premium deep-sea fish skins or scales. The raw materials undergo rigorous washing and demineralization to remove impurities, ensuring a clean start for extraction.
Controlled Enzymatic Hydrolysis
Specific food-grade proteases are introduced under precise temperature and pH levels. This biological cleavage breaks down the dense collagen fibers into targeted low molecular weight peptides.
Purification & Carbon Treatment
Activated carbon and advanced deionization systems are used to decolorize and deodorize the liquid, removing fishy odors and tastes to ensure a neutral sensory profile.
Membrane Filtration & Concentration
Ultrafiltration membranes isolate the desired molecular weights (e.g., <3,000 Da). The purified liquid is then concentrated under vacuum to preserve the biological activity of the peptides.
Spray Drying & Granulation
The liquid is atomized in a spray drying tower, instantly turning into a fine white powder. This ensures excellent solubility and prevents thermal degradation of the active proteins.
Packaging & Storage
The finished powder is packed in food-grade double PE bags inside fiber drums or kraft bags, and stored in temperature and humidity-controlled warehouses to maintain stability.
Uncompromising Quality Control Standards
Rigorous testing and international certifications to ensure product safety, efficacy, and traceability
Heavy Metals
We test every batch for Lead (Pb), Arsenic (As), Mercury (Hg), and Cadmium (Cd) to ensure compliance with strict international limits (e.g., FDA, EU regulations).
Microbial Limits
Total Plate Count (TPC) is kept under 1,000 cfu/g. Yeast and mold are strictly controlled, and pathogens like E. Coli and Salmonella are guaranteed negative.
Histamine & Impurities
Marine raw materials are monitored for histamine levels to prevent allergic reactions in sensitive consumers, ensuring a safe, hypoallergenic product.
Molecular Weight
High-performance liquid chromatography (HPLC) verifies that the molecular weight distribution remains within the targeted 500–3,000 Da range for optimal absorption.
Dedicated Research & Development
Le-Nutra focuses on providing innovative raw materials and tailored solutions for its business partners, backed by strong R&D capability, extensive experience, and in-depth knowledge of the cosmetic, personal care, and nutraceutical industries.
We have close cooperation with many universities and scientific research institutions at home and abroad. Our R&D department is comprised of a highly skilled team of professionals, including experienced scientists, engineers, and industry specialists, who are dedicated to advancing plant extraction and small molecule peptide technologies.
Company Philosophy & Trust
Quality first, Service upmost, Sincerity-oriented, Professionalism, and Innovation. At Le-Nutra, we believe we can only grow our business by being a trustworthy partner and bringing long-term value to our customers. In everything we do, we strive for honesty, fairness, and integrity.
Focusing on quality and innovation, and always listening to the needs of our customers are not just slogans for us; they are core values we have lived by for many years. In an ever-changing environment, we keep our customers' needs at the center of all we do. Our partners' success is our mission.
Why Choose Le-Nutra Ingredients?
Our core strengths that make us a preferred B2B supplier for leading global brands
14+ Years of Industry Experience
Decades of expertise in the natural ingredients industry, delivering trusted and innovative solutions globally.
60,000 Sqm Modern Plant Area
Equipped with advanced large-scale production facilities and a diverse range of production lines, ensuring consistent output to support large-scale and high-demand projects.
3,000 Tons Annual Production Capacity
6 multifunctional production lines are equipped with different types of extraction tanks, contributing to the process of a wide range of plant materials and the production of raw materials with diversified purities and applications.
Professional R&D Team
Our Research and Development (R&D) department is comprised of a highly skilled team of professionals, including experienced scientists, engineers, and industry specialists, who are dedicated to advancing plant extraction and small molecule peptide technologies.
Featured Active Ingredients Portfolio
Premium grade raw materials optimized for beauty, health, and clinical formulations
Hydrolyzed Fish Collagen (Marine Peptide)
Best SellerDerived from deep-sea fish skin or scales, specifically engineered for cosmetic research, beauty formulation, and nutritional applications. Its low molecular weight structure exhibits exceptional water solubility, transdermal absorption potential, and excellent skin compatibility.
Key Efficacy Points
- Deep Hydration: Forms a lightweight hydrating film on the skin, reducing transepidermal water loss.
- Collagen Synthesis: Rich in Glycine, Proline, and Hydroxyproline to stimulate fibroblast activity.
- Barrier Repair: Promotes stratum corneum recovery and reduces sensitivity.
- Hair & Nail Care: Adheres to hair fibers to improve smoothness, shine, and structural resilience.
Market Applications
- Premium anti-aging creams, lifting eye creams, and sheet masks.
- Nutraceutical beauty shots, oral collagen liquids, and functional powders.
- Post-procedure skin recovery gels and professional spa formulas.
- Nourishing foundations and skin-loving makeup primers.
Allantoin Powder (99% Purity)
Cosmetic ActiveA highly effective skin-conditioning ingredient renowned for its exceptional soothing, restorative, and moisturizing properties. Ideal for sensitive skin formulations, baby care, and post-procedure recovery.
| Item / Parameter | Standard Specification | Actual Test Result |
|---|---|---|
| Assay (Allantoin) | 99.0% - 101.0% | 99.8% |
| Melting Point | ≥225.0°C | 225.6°C |
| 0.5% Aqueous pH | 4.0 - 6.5 | 5.1 |
| Loss on Drying | ≤0.5% | 0.05% |
| Sulfated Ash | ≤0.1% | 0.07% |
| Conclusion | Conform with specification, Non-GMO, Non-irradiation, Allergen Free, TSE/BSE Free. | |
Chamomile Extract Powder (5% Flavonoids)
Botanical ExtractDerived from the flowers of Matricaria chamomilla L., this natural botanical ingredient is rich in Apigenin, Luteolin, and alpha-bisabolol. It is highly valued for its soothing, anti-inflammatory, and antioxidant properties in premium cosmetics and dietary supplements.
| Test Parameter | Standard Limits | Test Results |
|---|---|---|
| Appearance | Brown Fine powder | Conforms |
| Odor & Taste | Characteristic herbal | Conforms |
| Loss on Drying | ≤5.0% | 3.74% |
| Ash Content | ≤5.0% | 3.95% |
| Heavy Metals (Pb/As) | ≤2 ppm each | Conforms |
| Total Plate Count | ≤10,000 cfu/g | Conforms |
| Yeast & Mold | ≤300 cfu/g | Conforms |
| E. Coli & Salmonella | Negative | Negative |
Ginseng Peptide Powder (≥80% Protein)
Bioactive PeptideA small-molecule bioactive peptide extracted from the roots of high-quality Panax ginseng (Araliaceae family) using modern enzymatic hydrolysis. With a molecular weight under 3,000 Daltons, it offers superior solubility and rapid absorption.
What We Offer
- Customizable average molecular weight to fit your formulation.
- Customizable color of water solutions.
- Complete clarification, no cloudiness in aqueous solutions.
- Competitive wholesale pricing with stable, secure shipping.
Functional Benefits
- Blood Pressure Regulation: Ginsenosides Rb1, Rb2, Rc, and Rd help stabilize vascular smooth muscle.
- Glycemic Potential: Natural mineral chromium helps repair pancreatic cells and optimize sugar metabolism.
- Anti-Fatigue & Immunity: Enhances macrophage activity and lymphocyte proliferation.
- Anti-Aging Efficacy: Rich in glycine, histidine, and proline, essential for endogenous collagen synthesis.
Frequently Asked Questions
Everything you need to know about sourcing marine collagen peptides and active ingredients from China
What is the molecular weight of Le-Nutra's Hydrolyzed Fish Collagen?
Our product consists of low molecular weight peptides (typically 500–3,000 Da). This range is optimized for superior absorption, bioavailability, and high formulation stability.
Does the fish collagen affect formulation color or odor?
No. Our cosmetic-grade gelatin hydrolysate undergoes advanced decolorization and deodorization. It presents as a pale/white powder with minimal odor, ensuring it does not alter the appearance or scent of your finished products.
Is Allantoin Powder easy to incorporate into water-based formulas?
Allantoin exhibits moderate solubility in water. For optimal results, dissolve it in the aqueous phase at 50–70°C before proceeding to emulsification steps. It remains highly stable within a pH range of 4.0–8.0.
Can you provide samples for R&D evaluation?
Yes, we provide complimentary samples (typically 50–200g) for stability testing, solubility evaluation, and pilot formulations. Contact our team to arrange shipping.
What certificates do you provide for export?
We supply a complete document pack for every batch, including COA, TDS, Allergen statements, Non-GMO statements, Halal, Kosher, ISO22000, and cGMP compliance documentation.
What are your standard packaging and MOQ sizes?
Our standard packaging is 15kg/25kg per bag/drum, featuring dual food-grade plastic inner bags. We also support custom packaging, private labeling, and bulk container shipping.
Our Global Partners
We have achieved global influence through successful collaborations with world-renowned industry leaders
Ready to Secure Your Supply Chain?
Partner with China's leading hydrolyzed marine collagen peptide manufacturer. Get customized molecular weights, competitive B2B wholesale pricing, and reliable global delivery.