What is Lutein 5%?
Lutein 5% is a standardized botanical extract (%5) obtained from the Calendula officinalis plant. It is used as a raw material in dietary supplement production.
Product Properties
- Part used: Flower
- Standardization: 5%
- Solubility: Insoluble in water
| Analysis | Value |
|---|---|
| Moisture | ≤5.0% |
| Total Heavy Metals | ≤10ppm |
| E. coli | Negative / g |
| Salmonella | Negative / 10g |
What is Lutein 5% Used For? What is its Purpose?
What is Lutein 5% used for? Lutein (from marigold), with its content of Lutein (and zeaxanthin) – xanthophyll carotenoids obtained from marigold, is a standardized botanical raw material used in dietary supplements to support eye health and macular pigment. With a standardized 5% content, it provides a consistent source of ingredient in formulations such as soft gel capsules, tablets, microencapsulated extracts, and chewable forms.
Lutein 5% Benefits and Main Usage Areas
- Age-related macular degeneration (AMD): The AREDS2 clinical study showed that lutein and zeaxanthin supplementation can reduce the progression to advanced AMD; it reduced the risk by approximately 25% in individuals with low dietary intake.
- Blue light filtering: Lutein and zeaxanthin are the main components of macular pigment; they help protect the retina by filtering blue light and support visual comfort.
- Antioxidant eye protection: With its antioxidant properties, it helps protect retinal cells from oxidative damage.
- Screen-related eye fatigue: It helps maintain visual performance and eye comfort under conditions of intensive screen use (limited evidence).
Mechanism of Action and Active Components
Lutein and zeaxanthin accumulate in the macular pigment of the retina; they protect photoreceptor cells by filtering harmful blue light and neutralizing free radicals through antioxidant action.
Forms of Use (Tablet, Capsule, Powder)
Powder form is used as an active ingredient in tablet blends, as a filler for capsules (gelatin/HPMC), and in powder blends/sachet products. Since it is not water-soluble, suspension/solvent compatibility is evaluated for liquid formulations.
Positive Plant List Check
Calendula officinalis is included among the permitted (positive) plants under the Turkish Food Codex dietary supplement legislation. The permitted/used part: Flower.
Usage Rate in Dietary Supplements
According to the Restricted Substances List for Dietary Supplements, a daily usage limit of 600mg/day applies to this component/extract.
Storage, Shelf Life, and Re-test
Store in a cool, dry, and protected from light environment. The recommended re-test period is generally 3 years; it may vary by manufacturer. The CoA certificate of the relevant batch shall be taken as the basis for the exact date.
Technical Documents and Supply — Asuka Kimya
You can contact Asuka Kimya for SDS, TDS, CoA and supply conditions for Lutein 5%.
References
The usage information on this page has been compiled from official botanical monographs and scientific literature (e.g., EMA/HMPC, NIH/NCCIH, Cochrane, EFSA). The product is a dietary supplement raw material; it is not intended for the diagnosis or treatment of disease.