| abstract |
The invention relates to a method for preparing a composition containing at least one fatty acid ester, characterised in that the method comprises reacting a compound or a mixture of compounds having formula (II) with a carboxylic anhydride having formula (III) in the presence of a catalyst, said catalyst being selected from the group comprising the following catalysts: homogenous or heterogeneous quaternary ammoniums, heterogeneous acids, homogenous or heterogeneous bases, and mixtures thereof. |