Description

Evening Primrose Oil is a premium botanical oil extracted from the seeds of the *Oenothera biennis* plant, valued for its high concentration of γ-linolenic acid (GLA), an essential ω-6 fatty acid. This natural ingredient is crucial for formulations requiring targeted nutritional support and skin barrier enhancement. It serves as a key raw material for manufacturers in the nutraceutical, cosmeceutical, and pharmaceutical industries seeking high-purity, bioactive lipid components.

Application

• Nutraceutical & Dietary Supplements: Primary source of γ-Linolenic Acid (GLA) for capsules, softgels, and liquid formulations targeting women's health, joint comfort, and metabolic support.
• Cosmetic & Personal Care: Functional emollient in creams, serums, and lotions for its moisturizing, anti-inflammatory, and skin-barrier repairing properties.
• Pharmaceutical Intermediates: Used in the research and development of therapeutic agents focusing on inflammatory and dermatological conditions.
• Functional Foods & Beverages: Fortification agent for health-focused food products and nutritional beverages.
• Animal Nutrition: Incorporated into premium pet and livestock feed for coat health and overall wellness.
• Research & Development: Standard and test material in biochemical, nutritional, and pharmacological studies.

Basic Information

Product Name	Evening Primrose Oil
CAS No.	65546-85-2
Molecular Formula	N/A (Natural Oil Mixture)
Molecular Weight	N/A
Synonyms	Oenothera biennis seed oil; EPO; Evening Primrose Seed Oil; Sun Drop Primrose Oil; King's Cure-All; Fever Plant Oil; γ-Linolenic Acid (GLA) Oil; Scabish Oil; Night Willow-Herb Oil
EINECS	265-724-9

Quality Control

Our Evening Primrose Oil is produced and tested under strict quality management systems. We ensure compliance with relevant standards for botanical extracts, including specifications for identity, potency (GLA content), and purity. Certificates of Analysis (COA) detailing parameters such as fatty acid profile, peroxide value, and heavy metals are available upon request to guarantee batch-to-batch consistency and suitability for your application.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at temperatures between 15-25°C (59-77°F). Due to its easily oxidized nature, prolonged exposure to air, heat, or light should be avoided to maintain stability and shelf life.

Specification

Item	Specification
Description	Clear, pale yellow to golden yellow oily liquid; characteristic odor
Identification (IR)	Conforms to reference spectrum
γ-Linolenic Acid (GLA) Content	8.0% - 12.0% (or as specified)
Acid Value	≤ 2.0 mg KOH/g
Peroxide Value	≤ 10.0 meq/kg
Heavy Metals (as Pb)	≤ 10 ppm
Residual Solvents	Meets ICH guidelines
Microbiological Tests	Meets specified limits

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.