Interesterification involves an exchange of acyl group among triglycerides. Acyl groups may exchange positions within a triglyceride or among triglyceride molecules.
High temperature catalysts: KOH and NaOH
Low temperature catalysts: Sodium Methoxide (NaOCH3)
1. The formation of enolate ion
2. The formation of Beta-Keto ester
Catalyst Function in Interesterification
Initial removal of an ?-proton by the base catalyst leads to the charge delocalized enolate anion.