What is Primrose Flower Extract 4:1?
Primrose Flower Extract 4:1 is a standardized herbal extract (4:1) obtained from the Primrose flower plant. It is used as a raw material in dietary supplement production.
Product Properties
- Part used: Flower
- Standardization: 4:1
- Solubility: Water-soluble
| Analysis | Value |
|---|---|
| Moisture | ≤5.0 % |
| Total Heavy Metals | ≤10 ppm |
| E. Coli | Negative in 10 g |
| Salmonella |
What is Primrose Flower Extract 4:1 Used For? What is its Purpose?
What is Primrose Flower Extract 4:1 used for? Evening Primrose (Evening Primrose, GLA) is a standardized herbal raw material used in dietary supplements for skin health and female hormonal balance support (GLA) due to its Gamma-linolenic acid (GLA), omega-6 essential fatty acid content. Its standardized 4:1 content provides a consistent component source in formulations such as cold-pressed seed oil (softgel/capsule, 8-10% GLA standard) and liquid oils.
Benefits and Main Uses of Primrose Flower Extract 4:1
- Skin Health (Eczema): Used for eczema due to its GLA content; evidence is mixed, with most studies reporting limited effects (limited evidence).
- Women's Health and Menopause: A recent randomized controlled study reported that it reduces the severity of menopausal hot flashes and improves quality of life (limited evidence).
- Pre-Menstrual and Breast Pain (PMS/Mastalgia): Traditionally used for PMS and cyclical breast pain; however, systematic reviews have shown no superiority over placebo for mastalgia (traditional/weak evidence).
- Essential Fatty Acid Support: GLA is supplemented as an omega-6 fatty acid source that serves as a precursor to anti-inflammatory signaling molecules in the body.
Mechanism of Action and Active Components
GLA converts to dihomo-gamma-linolenic acid (DGLA) in the body, contributing to the synthesis of anti-inflammatory prostaglandins and supporting the lipid structure of the skin barrier.
Forms of Use (Tablet, Capsule, Powder)
The powder form can be used in tablet, capsule, powder mix/sachet, and (due to water solubility) liquid/syrup formulations.
Positive Plant List Check
Primrose flower is included among the permitted (positive) plants under Turkish Food Codex dietary supplement regulations. The permitted/used part is: Flower.
Usage Rate in Dietary Supplements
According to the Restricted Substances List for Dietary Supplements, a daily usage limit of 500mg/day applies to this component/extract.
Storage, Shelf Life, and Re-test
Store in a cool, dry place protected from light. The recommended re-test period is generally 3 years; this may vary by manufacturer. The CoA document 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 Primrose Flower Extract 4:1.
References
The usage information on this page is compiled from official herbal monographs and scientific literature (e.g., EMA/HMPC, NIH/NCCIH, Cochrane, EFSA). The product is a dietary supplement raw material and does not claim to diagnose or treat diseases.