Aniseed oils. Do not use chemicals in the preservation of raw materials. You need?Mr. Hoang Van Duc ----------Mr.Hoang Mr Hoang, Please contact Staff if you intend to place advertising materials on this forum.We wish you the very best in your business endevours with regard to the aniseed trade, but please refer... http://www.strikehook.com/more/advertise ...prior to contributing further.CheersJack