Marigold extract
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Basic information
Product Name: Marigold extract
Appearance: Orange fine powder or granular
Standard Packing: 25kg/drum
Solubility: Dissolve in water and ethanol.
Source and Botanical Characteristics:
Scientific Name: Tagetes erecta L.
Aliases: African marigold (distinct from Calendula), Mexican marigold
Medicinal Parts: Petals (highest concentration in orange-yellow parts)
Distribution: Native to the Americas; cultivated in China (mainly Yunnan and Guangdong)
Key Features:
Bright orange or golden-yellow flower heads
Distinctive aroma; long blooming period (summer to autumn)
Standard: CP2020,JP,Customer Made
Core Active Components
1.Characteristic Compounds
Category |
Representative Compounds |
Content Range |
Biological Activity |
Carotenoids |
Lutein |
0.5-1.8% |
Retinal protection (blue light filtration) |
|
Zeaxanthin |
0.2-0.8% |
Antioxidant (singlet oxygen quenching) |
Essential Oils |
Limonene |
15-25% |
Insect repellent (disrupts neural signaling) |
Flavonoids |
Quercetin |
0.1-0.5% |
Anti-inflammatory (NF-κB inhibition) |
Polysaccharides |
Arabinogalactan (AGP) |
3-8% |
Immunomodulation (TLR4 activation) |
2.Synergistic Effects
Lutein + Zeaxanthin (5:1 ratio): Doubles macular pigment optical density
Limonene + Vitamin E: Increases free radical scavenging by 40%
High Purity
100% Natural
Compliant with standards
Stable supplying
Quality ensured
Versatile Applications
Vision Protection Mechanism
Blue Light Filtration: Forms optical density in macula (OD=0.8 at 460nm)
Clinical Data: 10 mg/day × 6 months reduces AMD risk by 43% (AREDS2 study)
Anti-Inflammatory Effects
Animal Study: Colitis model shows 62% decrease in inflammatory factors
Agricultural Applications
Root exudates contain α-terthienyl (nematocidal LD50=0.1μg/mL)
Flower volatiles repel Culex mosquitoes (>90% protection rate)
Application Fields Green max
1.Functional Foods:
Eye Health Gummies: 5 mg lutein per piece (synergistic with DHA)
Antioxidant Capsules: Astaxanthin + marigold extract (ORAC value 8000)
2. Feed Additives:
Poultry feed (↑yolk color by 3 Roche scale units)
Salmon farming (↑flesh a* value by 5 points)
3. Cosmetics:
Anti-Blue Light Serums: 0.1% microencapsulated lutein (inhibits HEK-α-MSH)
Sunscreen Enhancer: Absorbs UVA 320-400nm
Biosynthesis
E. coli-produced lutein (lab yield: 1.2 g/L)
Delivery Systems
Phospholipid complexes (3× higher oral bioavailability)
New Functions
Cognitive improvement (preclinical: ↑Aβ clearance by 40%)
Usage Guidelines
Recommended Dosage
Purpose |
Daily Dose |
Optimal Timing |
Synergistic Combinations |
Eye Care |
10-20 mg |
With meals |
Fish oil (DHA 200 mg) |
Skin Antioxidant |
5-10 mg |
Morning |
Vitamin C 500 mg |
Poultry Feed Additive |
50-100 g/ton |
Continuous mixing |
Capsanthin |
Precautions
Light-sensitive (monthly degradation >30%)
Competes with β-carotene for absorption (take 4 hours apart)
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