... plant extract 2.Purified from star anise oil 3.Purity:99.5% min. 4.Plant extract,essential oil natural, aro :SpecificationProduct name ... , plant extract, essential oilCongealing point 21ºC min. trans-anethole: 99.5% min. Assay Cis-anthole: 0.2% max. (by GC) Anisic ... important constituent of beverages, alcoholic and nonalcoholic compounds.: trans-anethole: 99.5% min.-essential oil