Core Macular Carotenoid & High Potency Assurance: Extracted from natural marigold flowers (Tagetes erecta L.)
High Concentration & Low Dosage for Formula Space: Featuring a high active purity of 55%
Superior Physical Properties & Processing Ease: Features a 100% pass rate through 80 mesh fine powder
Strict Solvent Residual & Ultra-Low Pesticide Controls: Utilizes a mild hexane and ethanol extraction process
Reliable B2B Supply Chain & Full Export Support: Keep Ingredients offers flexible low-MOQ options, free sample testing support, complete export customs clearance documentation (COA, Certificate of Origin, etc.), and smooth global logistics channels.

Meso-Zeaxanthin 55% (Marigold Extract)
Our Meso-Zeaxanthin 55% raw material is extracted from premium marigold flowers (Tagetes erecta L.)
55% Ultra-High Active Purity: Standardized by High-Performance Liquid Chromatography (HPLC) to guarantee Meso-Zeaxanthin active content ≥ 55.0%
Targeted Foveal Protection: Directly replenishes the specific carotenoid concentrated in the most vision-critical area (fovea centralis), delivering robust protection against high-energy blue light and intense light stress.
Pure Marigold Origin: 100% derived from marigold flowers
Superior Solid Oral Dosage Processing: Fine 80-mesh powder (100% pass rate)
Rigorous Heavy Metal & Microbiological Limits: Total heavy metals ≤ 10 ppm, Arsenic < 2 ppm, Lead/Cadmium ≤ 1 ppm, Mercury ≤ 0.1 ppm
| ITEMS | SPECIFICATIONS |
| Appearance |
Orange-red fine powder |
| Odor |
Characteristic |
| Taste |
Characteristic |
| Granular size |
100% Through 80mesh |
| Meso-zeaxanthin content (HPLC) |
≥ 55.0% |
| Loss on drying |
≤ 5.0% |
| Residue on Ignition |
≤ 5.0% |
| Loose density |
0.4–0.7 g/ml |
| Tapped density |
0.6–1.0 g/ml |
| Extract Solvent |
Hexane & Ethanol |
| Residual Hexane |
≤ 50 ppm |
| Residual Ethanol |
≤ 500 ppm |
| Pesticide 666 |
≤ 0.1 ppm |
| Pesticide DDT |
≤ 0.1 ppm |
| Pesticide Quintozine |
≤ 0.1 ppm |
| Heavy Metals |
≤ 10 ppm |
| Arsenic (As) |
< 2 ppm |
| Lead (Pb) |
≤ 1 ppm |
| Cadmium (Cd) |
≤ 1 ppm |
| Mercury (Hg) |
≤ 0.1 ppm |
| Total plate count |
≤ 1000 cfu/g |
| Yeast & mold |
≤ 100 cfu/g |
| Escherichia coli |
Negative |
| Salmonella |
Negative |
High Concentration Advantage: Because active purity reaches 55%
Mixing Uniformity Management: Due to the small inclusion rate, geometric dilution (trituration) or pre-blending with main excipients such as microcrystalline cellulose or starch is recommended during solid dosage manufacturing to ensure 100% uniform dispersion in high-speed mixers.
Protection Against Light & Oxidation: Carotenoid structures are inherently sensitive to intense light, elevated temperatures, and oxygen. Avoid prolonged exposure to direct light during manufacturing. Finished product packaging should utilize light-barrier capsules or aluminum foil blister packs, optionally combined with antioxidants like Vitamin C or Vitamin E.
Premium Triple Macular Pigment Capsules: Co-formulated with Lutein and Zeaxanthin at golden ratios to recreate the complete carotenoid structure of the human macula, crafting high-end anti-aging eye health solutions.
Targeted Anti-Blue Light Formulas for Esports & Heavy Screen Users: Formulated for software engineers, esports professionals, and office workers exposed to high-energy shortwave blue light (LEDs, phones, computers), delivering targeted foveal blue-light filtering and eye fatigue recovery.
Preventive Supplements for Age-Related Macular Degeneration (AMD): Recognized in clinical nutrition, it is widely incorporated into formulas designed to protect against age-related vision decline, improve contrast sensitivity, and enhance night vision.
Concentrated Mini-Tablets & Multi-Nutrient Capsules: Leverages its 55% high-concentration advantage to integrate effortlessly into multi-vitamin softgels, mini-tablets, or daily nutrition packs without adding bulk.
Advanced Oral Skin Photoprotection & Photo-Aging Defense: Utilizes powerful singlet oxygen quenching capabilities, combining with collagen peptides, astaxanthin, and grape seed extract to block UV and high-energy visible light damage at the skin dermal layer.
Strict Pesticide & Solvent Monitoring: Every batch undergoes Gas Chromatography (GC) analysis to strictly regulate residual solvents (hexane and ethanol)
Heavy Metal & Microbiological Controls: Accurately quantified via Atomic Absorption Spectrometry (AAS) for heavy metals (Lead, Arsenic, Cadmium, Mercury)
Professional Vacuum Aluminum Foil Packaging: Packaged internally with 1kg or 5kg double-layer vacuum-sealed aluminum foil bags and externally with 25kg standard fiber drums
Keep Ingredients is your trusted global partner for food nutrition ingredients and botanical extracts:
Extensive Global Export Expertise: Products exported to over 30 countries and regions worldwide, with deep familiarity with local regulations, quality standards, and customs entry requirements.
Smooth Logistics & Freight Forwarding Support: Long-term partnerships with professional freight forwarders enable rapid provision of Certificates of Origin (Form A/E), Health Certificates, COAs, and full export documentation for hassle-free customs clearance.
Flexible Low-MOQ Sourcing: Support flexible minimum order quantities, helping small-to-medium enterprises and new R&D projects reduce upfront testing costs and inventory pressure.
Free Samples & Technical Assistance: Free samples available for assay testing, formulation trials, and stability evaluations, backed by a professional technical team to answer processing and application queries.
Q1: What is the difference between Meso-Zeaxanthin and standard Zeaxanthin?
A1: Both are stereoisomers, but they serve distinct functions in the human visual system. Standard Zeaxanthin is predominantly deposited in the peripheral macula, whereas Meso-Zeaxanthin is uniquely concentrated at the exact center of the macula (fovea centralis), offering superior high-energy blue light absorption and singlet oxygen quenching efficiency.
Q2: What are the advantages of choosing a high 55% concentration of Meso-Zeaxanthin?
A2: A high purity of 55%
Q3: How do I ensure mixing uniformity during solid oral dosage production with such a low inclusion rate?
A3: Our material features an 80-mesh uniform particle size (100% pass rate)
Q4: Does your Meso-Zeaxanthin meet North American and European quality and pesticide standards?
A4: Yes, completely. Every batch is rigorously tested; residual solvents (hexane ≤ 50 ppm, ethanol ≤ 500 ppm)
Q5: What is the recommended synergistic formula for Meso-Zeaxanthin?
A5: The classic golden ratio is the "Triple Macular Pigment Formula" (Meso-Zeaxanthin + Lutein + Zeaxanthin), typically combined in a 10mg : 10mg : 2mg ratio (or adapted from AREDS2 derivative studies) to provide comprehensive protection across all retinal macular zones.
Q6: Can you provide free samples for HPLC assay testing?
A6: Yes. Keep Ingredients provides complimentary samples for HPLC potency verification, dissolution testing, and stability evaluations. We also support low-MOQ trial orders to assist your new product R&D.
Looking for a high-purity, stable, and globally compliant Meso-Zeaxanthin 55% ingredient to power your next premium eye care product? Keep Ingredients is here to support your success. Our expert team will respond within one hour to provide technical specifications, free sample kits, and tiered volume pricing.
Email: sales@keepingredients.com
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