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Quick Specs
FormMarigold Oleoresin / Crystalline
Purity20% oleoresin; 80% crystalline
SourceTagetes erecta (marigold)
Shelf life18 months (refrigerated)
MOQ1 kg (sample); 5 kg (commercial)
Nutraceuticals

Lutein

Tagetes erecta Marigold Oleoresin 10:2 Ratio Available Xanthophyll Carotenoid
A xanthophyll carotenoid from Tagetes erecta marigold oleoresin, supplied at 10% and 20% oleoresin, 80% crystalline, and as a fixed 20:1 lutein–zeaxanthin blend.
Lutein is the primary carotenoid concentrated in the human macula, where it physically filters blue light before it reaches the photoreceptors. It is one of the most widely specified carotenoids in the eye-health supplement category. Any claim made on a finished product is the manufacturer's responsibility and depends on the destination market. The fastest-growing application is digital eye strain, driven by rising screen time across all age groups.

SV Botanica supplies pharmaceutical-grade Lutein extracted from Tagetes erecta marigold oleoresin in 5%, 10%, and 20% concentrations, plus 80% crystalline grade for high-potency and fortification applications. All grades are made at GMP/ISO-certified facilities, HPLC-batch tested for free lutein and zeaxanthin content, and cold-chain stored in nitrogen-flushed, opaque packaging to prevent carotenoid oxidation.
Available specifications
Lutein 20% Oleoresin
Tagetes erecta marigold — standard grade
Lutein 10% Oleoresin
Marigold-source, softgel-ready
Lutein 80% Crystalline
High-purity crystalline concentrate for fortification
Lutein + Zeaxanthin 20:1
Fixed 20:1 pre-blended ratio
  • Lipid matrix requirement — insoluble in water and soluble in oils, so a lipid carrier is required. The 10% oleoresin is supplied softgel-ready for exactly this reason; aqueous formats need a beadlet or emulsion system rather than the oleoresin.
  • Cold chain and shelf life — 18 months refrigerated and nitrogen-flushed, shorter than the 24 months typical of the powder actives. Cold-chain shipping at 2–8°C is available for oleoresin grades and should be specified at enquiry.
  • Oleoresin versus crystalline — the oleoresin grades at 10% and 20% suit softgel and oil-based formats; the 80% crystalline grade at 60–80 mesh suits dry fortification where an oil carrier is impractical. The assay basis differs sharply between them, so confirm which your specification is written against.
  • 20:1 lutein–zeaxanthin blend — a pre-blended grade at a fixed 20:1 ratio, supplied where a formulator wants the ratio set upstream rather than blending two carotenoids in-house.
  • Colour carry-through — the orange-yellow to golden colour carries into the finished format and into softgel shells. This is a formulation consideration for clear or lightly coloured presentations.
  • Botanical traceability — marigold petals are sourced from GMP-certified Indian cultivators, with botanical identity confirmed by HPLC fingerprinting.
  • Packaging — 5 kg and 25 kg sealed containers with nitrogen headspace for oleoresin grades, and 1 kg opaque nitrogen-flushed foil bags for the crystalline grade. Custom concentrations and pack sizes are available for private-label formulations.
  • Documentation — each batch ships with a CoA covering assay against the stated grade, heavy metals at NMT 10 ppm with lead at NMT 0.5 ppm, moisture at NMT 2.0% for the crystalline grade, and microbial limits.
Softgel and oil-based supplements
Eye-health category formulations
Food and beverage fortification
Carotenoid combination products
Infant and clinical nutrition formats
Colour and functional food systems
Private-label and contract manufacture
Pet and animal nutrition
Common nameLutein
IUPAC name(3R,3’R,6’R)-β,ε-Carotene-3,3’-diol
SynonymsXanthophyll; Vegetable lutein; Lutein ester (esterified form from marigold)
CAS number127-40-2 (free lutein)
Molecular formulaC₄₀H₅₆O₂
Molecular weight568.87 g/mol
Appearance (oleoresin)Orange-yellow to deep golden viscous liquid
Appearance (crystalline)Yellow to orange-yellow crystalline powder
Assay (HPLC)≥20% lutein in oleoresin (or ≥80% crystalline grade)
Botanical sourceMarigold (Tagetes erecta) flower petals — Asteraceae family
Natural co-presenceZeaxanthin present at approximately 5:1 (lutein:zeaxanthin) ratio in marigold
SolubilityInsoluble in water; soluble in chloroform, acetone, oils; insoluble in ethanol
LogP∼10 (highly lipophilic)
Melting point190–191°C (free lutein)
Moisture contentNMT 2.0% (crystalline); per specification (oleoresin)
Heavy metalsNMT 10 ppm total; Lead NMT 0.5 ppm; Arsenic NMT 0.5 ppm
Pesticide residuesComplies with EU Regulation 396/2005 MRLs; India-grown marigold tested per APEDA standards
Microbial limitsTotal aerobic count NMT 10³ CFU/g; Absence of Salmonella, E. coli
Shelf life18 months refrigerated (oleoresin); 24 months (crystalline)
Storage2–8°C preferred; opaque, nitrogen-flushed containers; avoid light, heat, and moisture
5 kg and 25 kg sealed containers with nitrogen headspace (oleoresin grades)
1 kg aluminium foil bags (crystalline grade, nitrogen-flushed, opaque)
Cold-chain shipping (2–8°C) available for oleoresin grades
Custom concentrations and pack sizes for private-label formulations
Quality Assurance

Tagetes erecta Source. HPLC-Verified Lutein Content.

Every lutein batch is tested by HPLC for free lutein content and lutein ester profile, zeaxanthin content, heavy metals, pesticide residues (India-grown marigold), and microbial safety. Cold-chain storage with nitrogen-flushed packaging to prevent carotenoid oxidation.

01

HPLC lutein & zeaxanthin quantification

COA specifies free lutein content and zeaxanthin content separately. Zeaxanthin is naturally co-present in marigold at approximately 5:1 lutein:zeaxanthin ratio — this is the natural lutein complex. Buyers receive precise data for both carotenoids.

02

Tagetes erecta botanical traceability

Marigold petals sourced from GMP-certified Indian cultivators. Botanical identity confirmed by HPLC fingerprinting. Pesticide residues tested to EU MRL standards. India is the world's largest marigold lutein producer — Andhra Pradesh and Karnataka origin.

03

Cold-chain storage and light protection

Lutein is sensitive to oxygen, light, and heat. All oleoresin and crystalline grades stored refrigerated, nitrogen-flushed, in opaque containers. Cold-chain logistics available for international export of oleoresin grades.

04

Export documentation

COA, MSDS, Certificate of Origin, Phytosanitary Certificate provided with every shipment. Halal and Kosher certificates available on request. Full documentation package delivered digitally prior to shipment.

Formulation Intelligence

Lutein Formulator's Guide: Concentration and Ratio Selection

India is the world's largest producer of marigold lutein — Tagetes erecta cultivation for lutein extraction is concentrated in Andhra Pradesh and Karnataka, making Indian-origin lutein inherently competitive in global markets. Understanding how to select the right concentration grade, combine lutein with zeaxanthin at the correct ratio, and communicate MPOD science to consumers separates clinical-grade eye health formulations from commodity products.

Common Ratio

Lutein 10mg + Zeaxanthin 2mg

A widely specified ratio

The 10 mg lutein : 2 mg zeaxanthin combination is one of the most commonly specified ratios in this category. Natural marigold lutein oleoresin at 20% concentration requires 50mg oleoresin per 10mg lutein dose — a practical softgel fill volume. The 5:1 lutein:zeaxanthin ratio (10mg:2mg) reflects the natural macular pigment composition target.

Note: inclusion levels and any claim position are set by the finished-product manufacturer.
Digital Eye Strain

Screen Health Formulations

Fastest-growing application for lutein

As average screen time reaches 7+ hours per day in working adults, blue light (460nm peak) exposure consistently depletes macular pigment. Supplement brands targeting office workers, gamers, and students typically use: lutein 10–20mg + zeaxanthin 2–4mg + vitamin C 250mg + vitamin E 100IU + zinc 10mg, often with added bilberry extract. Positioning as "digital eye health" or "screen protection" supports broader use without disease-specific claims.

Note: Growing category — supplement sales for eye health up >40% since 2019.
Paediatric Use

Children's Eye Health

Emerging category — screen-exposed children

Lutein supplementation for screen-exposed children is an emerging category. Critical window: macular MPOD is established during childhood and adolescence; low carotenoid intake during this period may set a lower baseline. Safe and effective at 5–10mg/day in children. Delivery format considerations: gummies, chewables, or mini-softgels with oil excipient. Indian-origin marigold lutein's clean safety profile and Halal/Kosher availability support international paediatric supplement manufacturing.

Note: Fastest-growing demographic for eye health supplements globally.
Skin Application

Beauty & Photoprotection

Dual eye + skin positioning

Lutein's accumulation in skin and UV-protective activity supports inclusion in "beauty from within" or "sun protective nutrition" supplements. Also specified into the skin and beauty-from-within categories, commonly alongside lycopene and astaxanthin in carotenoid blends. Increasingly positioned alongside collagen peptides for comprehensive skin supplement stacks.

Note: the material is specified into both the eye-health and skin categories.
Buyer FAQ

Frequently Asked Questions

A 20% marigold oleoresin as the standard grade, a 10% softgel-ready oleoresin, an 80% crystalline concentrate for fortification, and a pre-blended lutein–zeaxanthin grade at a fixed 20:1 ratio. All are from Tagetes erecta.
The oleoresin grades at 10% and 20% are orange-yellow to golden and viscous, and suit softgel and oil-based formats. The 80% crystalline grade is a yellow powder at 60–80 mesh and suits dry fortification where an oil carrier is impractical. The assay basis differs sharply between them, so confirm which your specification is written against.
It is insoluble in water and soluble in oils, so an oil or lipid carrier is required. The 10% oleoresin is supplied softgel-ready for this reason. Aqueous formats need a beadlet or emulsion system rather than the oleoresin directly.
Shelf life is 18 months refrigerated and nitrogen-flushed — shorter than the 24 months typical of powder actives, because lutein is oxygen- and light-sensitive. Cold-chain shipping at 2–8°C is available for the oleoresin grades and should be specified at enquiry.
Assay against the stated grade, heavy metals at NMT 10 ppm with lead at NMT 0.5 ppm, moisture at NMT 2.0% for the crystalline grade, microbial limits, and botanical identity for Tagetes erecta.
Marigold petals are sourced from GMP-certified Indian cultivators, and botanical identity is confirmed by HPLC fingerprinting on the incoming material.
Yes. The orange-yellow to golden colour carries into the finished format and into softgel shells, which is a consideration for clear or lightly coloured presentations.
5 kg and 25 kg sealed containers with nitrogen headspace for the oleoresin grades, and 1 kg opaque nitrogen-flushed aluminium foil bags for the crystalline grade. Custom concentrations and pack sizes are available for private-label formulations.
Against your specification and volume. Grade, concentration, whether cold-chain shipping is required and pack size all move the price, so send a specification sheet with your intended format.
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Supplied as a bulk ingredient for further manufacture. Buyers are responsible for compliance with the regulations of their destination market. This product is not intended to diagnose, treat, cure or prevent any disease.