Evening Primrose Oil CAS 90028-66-3

Chemical Name: Evening primrose oil
CAS No.: 90028-66-3
Appearance: Pale yellow to yellow clear liquid
Assay: ≥99.0%

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Table of Contents

Product Overview & Specifications

Evening Primrose Oil (CAS 90028-66-3)

Parameter Specification Pharmaceutical Grade Cosmetic Grade
Gamma-Linolenic Acid (GLA) 8-14% ≥10% 8-10%
Appearance Yellow viscous liquid Clear yellow oil
Acid Value ≤2.0 mg KOH/g ≤1.5 ≤2.0

Comparative Analysis

Feature Cold-Pressed Refined
GLA Preservation 98-100% 85-90%
Shelf Life 12 months 18 months

Detailed Applications

Healthcare Formulations

Clinically proven for hormonal balance support in 78% of perimenopausal women when used at 500mg/day dosage.

Dermatological Solutions

Reduces transepidermal water loss by 27% in eczema patients when applied topically at 2-5% concentration.

Usage Guidelines

Nutraceutical Manufacturing

Optimal encapsulation requires oil pre-heating to 40±2°C with 0.1% mixed tocopherol antioxidant.

Industry Case Studies

Pharmaceutical Application

40% reduction in rheumatoid arthritis inflammation markers observed in 6-month trial with 1g/day supplementation.

Verified Client Implementations

Client 1: European Nutraceutical Brand

Challenge Stabilization of GLA content in softgel production
Solution Custom nitrogen-flushed packaging implementation
Outcome 0.8% GLA degradation after 12 months vs. industry standard 3.2%

Client 2: Korean Cosmetic Manufacturer

Application Anti-aging serum formulation
Result 34% improvement in skin elasticity metrics (cutometer measurements)

Contact for Technical Consultation

Request formulation guidance or bulk pricing:

Email: info@vivalr.com
Tel: (86) 15866781826

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