... Essential oil,Carrier oil,Base oil,medical oil,food additive oil,CAS No.90028-66-3. ... Efamol,Evening primrose oil,Carrier oil,Base oil,food additive oil,spice oil,CAS No.90028-66 ... -3Function of medicinal food.Evening primrose oil from evening primrose seed extract ... )1. Appearance: light yellow to yellow liquid 2. Odour: with a characteristic evening primrose aroma 3. Relative density ...