Description

Evening Primrose Oil is a premium botanical extract derived 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 oil is a critical ingredient for industries requiring high-purity, bioactive compounds for health and wellness formulations. It is primarily sought after by manufacturers in the nutraceutical, cosmeceutical, and pharmaceutical sectors for its well-documented beneficial properties.

Application

• Nutraceutical & Dietary Supplements: A key active ingredient in capsules, softgels, and liquid formulations targeting women's health, skin support, and inflammatory response management.
• Cosmeceutical & Skincare: Incorporated into creams, serums, and lotions for its moisturizing, anti-aging, and skin barrier-repairing properties.
• Pharmaceutical Intermediates: Serves as a starting material or active pharmaceutical ingredient (API) in specialized therapeutic formulations.
• Functional Foods & Beverages: Used for the fortification of health-focused food and drink products with essential fatty acids.
• Animal Nutrition & Pet Care: Applied in premium feed supplements and veterinary products to support coat health and overall wellness.
• Research & Development: Utilized in biochemical research, clinical studies, and as a standard in analytical laboratories.

Basic Information

Product Name	Evening Primrose Oil
CAS No.	308064-97-3
Molecular Formula	Primarily a complex mixture of triglycerides; rich in C18:3 n-6 (GLA)
Molecular Weight	N/A (Natural Oil Mixture)
Synonyms	Oenothera Biennis Seed Oil; EPO; Evening Primrose Seed Oil; Sun Drop Seed Oil; King's Cure-All Oil; γ-Linolenic Acid (GLA) Oil; Scabish Oil; Night Willow-Herb Oil
EINECS	Contact for details

Quality Control

Our Evening Primrose Oil is produced and tested to meet stringent quality standards suitable for human consumption and sensitive applications. We offer grades compliant with Food Chemical Codex (FCC) and cGMP guidelines where applicable. Every batch is supported by a comprehensive Certificate of Analysis (COA) detailing key parameters such as fatty acid profile (GLA content), peroxide value, acid value, and heavy metals, ensuring traceability, purity, and consistency.

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, it is recommended to store under an inert atmosphere (nitrogen headspace) for long-term preservation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, pale yellow to golden yellow oily liquid
Odor	Characteristic, mild
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	Complies with ICH guidelines

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