
Product Overview
Lutein, a naturally occurring carotenoid known as “the eye vitamin,” is a critical component of the macular pigment. However, standard lutein extracts face significant industrial hurdles: they are highly susceptible to oxidative degradation (light and heat) and possess very poor aqueous solubility.
SRBio Co-Crystallizing Lutein is a technologically advanced ingredient designed to overcome these barriers. Through our proprietary co-crystallization process, lutein molecules are integrated with a food-grade host matrix (co-former) into a single crystalline lattice. This molecular engineering creates a “shielded” nutrient that is significantly more stable and easier to incorporate into complex formulations.
Technical Specifications
| Parameter | SRBio Co-Crystallized Standard | Test Method |
| Active Ingredient | Lutein (from Marigold Extract) | HPLC |
| Lutein Content | 5% – 20% (Customizable) | HPLC |
| Crystalline Identity | Unique Co-Crystal Phase | Powder XRD |
| Solubility | Enhanced Water Dispersion | Visual / Filtration |
| Heavy Metals (Pb) | ≤ 0.1 ppm | ICP-MS |
| Appearance | Fine Orange-Red Crystalline Powder | Visual |
Key Advantages
1. Unmatched Molecular Stability
Standard lutein often loses potency during manufacturing due to oxygen and UV exposure. In the SRBio co-crystal structure, the lutein is protected within a stable molecular framework. This results in superior shelf-life retention, ensuring that your finished product meets its label claims for the entire duration of its expiration period.
2. Superior Aqueous Dispersion
Traditional lutein is oil-soluble and difficult to use in water-based applications. Our co-crystallization technology modifies the surface energy of the particles, allowing for rapid and uniform dispersion in liquids without the need for high-shear mixing or synthetic emulsifiers.
3. Optimized Bioavailability
By improving the dissolution rate in the intestinal tract, SRBio Co-Crystallizing Lutein facilitates more efficient uptake by cellular transporters. This ensures that the targeted concentration of carotenoids is effectively delivered to support the natural integrity of the macular pigment.
Manufacturing Excellence
High-Precision Molecular Synthesis
We utilize a controlled cooling or solvent-mediated crystallization process to ensure that the lutein and its co-formers react completely to form a new crystalline phase. This is verified using Powder X-Ray Diffraction (PXRD) to distinguish it from simple physical mixtures or spray-dried powders.
Quality & Safety Compliance
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Purity & Identity: Every batch is tested for both lutein concentration and zeaxanthin ratios to ensure consistent performance.
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Clean Label Chemistry: We use only GRAS (Generally Recognized as Safe) co-formers, making it ideal for non-GMO and allergen-free product lines.
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Safety Standards: Rigorous screening for pesticide residues, solvent residues, and heavy metals.
Applications
SRBio Co-Crystallizing Lutein is the preferred choice for leading-edge global brands:
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Premium Ocular Support Capsules: Provides a stable, high-potency source of lutein and zeaxanthin for daily nutritional support.
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Gummies & Soft Chews: Excellent color stability and uniform active distribution in diverse delivery formats.
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Functional Beverages & Syrups: Water-dispersible and stable under varying pH levels, perfect for wellness shots and RTD drinks.
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Multivitamins for Active Longevity: Pairs perfectly with SRBio CoQ10, Bilberry extract, and Zinc for comprehensive wellness formulations.
Technical Partnership Program
Custom Engineering & Global Support
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Stability Dossiers: Access to accelerated stability data and light-exposure studies.
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Custom Formulations: Expertise in pairing Co-Crystallized Lutein with specialized lipids or antioxidants for synergistic effects.
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Regulatory Support: Full access to COA, MSDS, and manufacturing flowcharts for global product registration.
Request a Sample
Experience the stability of molecular engineering with SRBio Co-Crystallization.
Contact our technical team for a 50g / 100g trial sample and a comprehensive technical dossier.
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Email: admin@plantextractssr.com
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Certifications: cGMP, ISO 22000, Halal, Kosher, Vegan Verified, Non-GMO.
Shipping & Packing Information

OEM SERVICE
We offer all-inclusive product development from consultation to delivery.
We make product proposals based on the customer’s requirements, from small to large lots.
