Patent ID: 8455666

Claim:
A method of making a compound having the structural formula: wherein at least one but no more than two of R 1 , R 2 , and R 3 are lipoate moiety of the formula: and the other of said R 1 , R 2 , and R 3 are independently selected from C 4 to C 24 fatty acid moieties or OH, with the proviso that at least one of said R 1 , R 2 , and R 3 is a fatty acid moiety, comprising the steps of: a. reacting in a reaction mixture lipoic acid or an ester thereof with a triglyceride in the presence of a lipase catalyst under conditions that permit transesterification of said lipoic acid or an ester thereof and said triglyceride; and b. recovering said compound from said reaction mixture.