Are you going to wholesale evening primrose oil powder from a professional evening primrose oil powder producer and supplier? it is one of the well-known evening primrose oil powder manufacturers in China, welcome to contact our factory.Evening primrose oil powder is cold manufactured by the proprietary microencapsulation technology which protect the oil against oxidation, heat and light, also prevent possible chemical reactions with mixtures.Main function(1) Lower blood pressure;(2) Reducing risks of blood clotting;(3) Stimulating the immune system;(4) Regulating brain function;(5) Helpful for sleeping and skin.Application1.Applied in food additives2.Applied in pharmaceutical field 3.Applied in cosmetics fieldSpecificationTestsLimitsResultsAppearanceOff-white or slight yellow-white free-flowing powderConformsGamma Linolenic Acid as TG(mg/g)42.5 Min48.2Bulk Density(g/ml)0.40-0.60 g/ml0.46Peroxide Value(%)10.0 Max.0.8Loss on Drying(%)3.0 Max1.5Particle Size95% through 40 MeshConformsLead (ppm )1.0 MaxConformsArsenic (ppm )1.0 MaxConformsCadmium (ppm )1.0 MaxConformsMercury (ppm )0.1 MaxConformsTotal Plate Count(CFU/g)3,000  Max.ConformsYeasts and Molds(CFU/g)300  MaxConformsE. coliNegativeConformsSalmonellaNegative/25gConformsStaphylococcus aureusNegative/25gConforms