Mixture (I) comprises a lipid compound (a). Mixture (I) comprises a lipid compound (a) of formula (R 1>；OC-OCH 2-CH(OCOR 2>；)-CH 2O-COR 3>；).R 1>；CO, R 2>；CO, R 3>；CO = 6-12C linear saturated acyl, acyl residue of conjugated linolic acid, acyl residue of omega-3 fatty acid or acyl residue of omega-6 fatty acid. Provided that the acyl residue of conjugated linolic acid is present at 3-50 mol.% and each of the omega fatty acid acyl residues are present at 5-25 mol.%. Independent claims are included for the preparation of (I), comprising enzymatic transesterification of: either medium chain triglycerides of formula (R 4>；OC-OCH 2-CH(OCOR 5>；)-CH 2O-COR 6>；) and conjugated linolic acid, omega-3 fatty acids, omega-6 fatty acids, conjugated linolic acid based triglyceride and/or omega-3 or omega-6 fatty acids based triglyceride； or a mixture of fatty acids/their esters of formula (R 7>；COOR 8>；) and conjugated linolic acid and/or omega-3 and/or omega-6 fatty acids. R 4>；CO, R 5>；CO, R 6>；CO, R 7>；CO : 6-12C linear saturated acyl residue； and R 8>；H or 1-4C alkyl. ACTIVITY : Antilipemic. MECHANISM OF ACTION : None given.
