Seeds rich in essential fatty acids

Traditionally used in Europe and North America, evening primrose seeds can be cold-pressed to produce a highly sought-after oil. They can also be lightly ground and added to food to take advantage of their unique lipid profile. They are also sometimes used for sprouting or incorporated into wellness preparations in powder or capsule form.

Description

Small, dark brown, ovoid seeds, smooth, hard surface, light odor, characteristic bitter nutty taste.

Nomenclature

• Common name: Evening primrose, Evening primrose
• Latin name: Oenothera biennis
• Family: Onagraceae
• Part used: Seed
• Shape: Whole
• Origin: North America (also cultivated in Europe)
• English name: Evening primrose seed
• Name in German: Nachtkerzensamen
• Name in Spanish: Evening primrose seed
• Name in Italian: Semi di enotera
• Name in Arabic: بذور الحمحم المسائي

Main virtues

Female hormone regulator, gentle anti-inflammatory, skin moisturizer, cardiovascular protector, nervous system balancer.

Main constituents

Gamma-linolenic acid (GLA), linoleic acid, vitamin E, phytosterols, protein, fiber.

Traditional use and dosage

• Cold pressing: for artisanal production of evening primrose oil (cosmetic or food use).
• Light infusion: gentle decoction of 1 teaspoon of lightly crushed seeds per 250 ml, 1 to 2 times/day.
• Food: Ground or sprouted seeds, added to smoothies, salads or seed mixes.

Precautions, side effects and contraindications

• May interact with anticoagulants or epilepsy treatments (high dose of PUFA).
• Seek professional advice if pregnant or have a history of neurological disorders.
• To be consumed as part of a varied and balanced diet.

History and use

Native to North America, evening primrose was used by indigenous peoples for its nourishing and medicinal properties. Introduced to Europe in the 17th century, it was quickly adopted for its effects on hormonal disorders and skin imbalances. Its oil remains one of the most widely used in natural cosmetics for dry and mature skin.

Miscellaneous information

• Packaging: resealable kraft bag or airtight opaque jar.
• Storage: away from heat, humidity and light (cool storage recommended).
• Shelf life: 12 to 18 months.
• TARIC customs code: 1209.99.91.00

Sources and references

• Pl@ntUse – https://uses.plantnet-project.org
• North American and European Phytotherapeutic Literature
• Clinical publications on GLA and evening primrose seeds

Note to project creators and formulators:

Please note that we do not provide any technical documentation (datasheet, certificate, analysis, etc.) for quantities less than 1 kg. Documentation is reserved exclusively for registered professionals (SIRET number or equivalent required) and for clearly identified projects. Thank you for your understanding.

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