| abstract |
The present invention is related to a method for producing polyesters, wherein a lac- tone is converted to a polyester by a lipase, characterized - in that the lipase is Lipase A from Candida antarctica (CAL-A) according to SEQ ID NO 1 or a homologue enzyme having sequence identity of at least 65% with SEQ ID NO 1 and having the same function as CAL-A and - in that the conversion is done in an essentially aqueous medium, which means water, which may contain up to 95 % by weight of other solvent(s), the rest of 100 % by weight being water. |