Oenothera odorata Seeds Extract Onagraceae 10:1;20:1 Oenothera Oenothera biennis Linn Oenothera odorata Function:1) Evening primrose can lower blood pressure, Reducing risks of blood clotting2) It was a kind of natural flavor,its fibre in the stem is raw material for paper manufacture3) Stimulating the immune system;regulating brain function.4) To relieve cough, asthma, gastrointestinal ...