原始名称记载: The United States of America, as represented by the Secretary of Agriculture

Disclosed herein are methods of producinglactone from liamocins, or mixtures of liamocins and exophilins. Liamocins utilizable in the methodologies provided herein can be produced by microbes, such as. The methodologies described herein utilize acid catalyzed hydrolysis/dehydration and carboxylic acids as a phase transfer agent in a dual-solvent system. This approach further allows the separation and collection of liamocin head groups.