Evening primrose oil is obtained from the seeds of the evening primrose plant, (Oenothera biennis) by cold pressing, without solvents. The oil can be taken directly as a liquid or in the form of capsules. Efficacy and Nutritional components Evening primrose oil is a natural, and the richest source of Gamma-Linolenic acid(GLA). It contains about 10.0% GLA and 68.0-78.0% Linoleic acid. Some people use evening primrose oil for chronic fatigue syndrome (CFS), asthma, nerve damage related to diabetes; it is also for an itching disorder called neurodermatitis, hyperactivity in children and attention deficit-hyperactivity disorder (ADHD), and gastrointestinal disorders. Women use evening primrose oil in pregnancy for preventing high blood pressure, shortening labor, starting labor, and preventing late deliveries. Women also use the oil for premenstrual syndrome (PMS), breast pain, endometriosis, and symptoms of menopause such as hot flashes. Applications XinQiDian offers evening primrose oils for high quality edible oil, nutritional supplements, natural cosmetics, pharmaceutical Intermediates, food addictive and health-care food. BOTANICAL NAME: Oenothera biennis L. PART OF PLANT USED: Seed ORIGIN OF RAW MATERIAL: China COUNTRY OF PROCESSING: China ISSUE DATE: Apr. 8th, 2009 PRODUCT NO.: XQD-EPSO10 PHYSICAL/CHEMICAL SPECIFICATIONS Method APPEARANCE A clear bright yellow oil STM 01.010 ACID VALUE, KOH mg /g: ≤2.0 AOCS Cd 3d-63 PEROXIDE VALUE, meq/kg: ≤10.0 AOCS Cd 8b-90 SAPONIFICATION VALUE,KOH mg /g: 189.0-199.0 AOCS Cd 3-25 UNSAPONIFIABLE MATTER, % ≤2.0 AOCS Ca 6a-40 MOISTURE AND VOLATILES, %: ≤0.20 AOCS Ca 2d-25 GARDNER COLOR ≤5 AOCS Td 1a-64 COLD TEST Clear after 5.5 hours at 0°C AOCS Cc 11-53 RESIDUAL SOLVENT, mg/kg: Negative AOCS Ba 14-87 LEAD ppm ≤0.2 AOCS Ca 18c-91 ARSENIC ppm ≤0.2 AOAC 986.15 CADMIUM ppm ≤0.2 AOAC 986.15 MERCURY ppm ≤0.2 AOAC 971.21 FATTY ACID COMPOSITION AOCS Ce 1e-91 C16:0 PALMITIC % 5.0-7.0 C18:0 STEARIC % 1.0-3.0 C18:1 OLEIC % 5.0-10.0 C18:2 LINOLEIC % 68.0-78.0 C18:3 γ- LINOLENIC % ≥10.0 OTHERS % 0-2.0