10 ml about 250 drops of anise seed oil cold pressing 10 ml about 250 drops of Fennel seeds oil cold pressing Anise seeds oil (Pimpinella anisum) is particularly noted for its high concentration of anethole. In clinical settings, it has shown remarkable success in reducing the "global" severity of IBS symptoms. Clinical Evidence: A 2016 randomized controlled trial published in the Journal of Ethnopharmacology found that 75% of patients using enteric-coated anise oil capsules