ABSTRACT MDG emulsifiers (mono and diglycerides) are additives that are highly needed in the food industry. However, the process of making MDGs generally uses catalysts that are toxic and not safe for food. Therefore, in this study NADES (Natural Deep Eutectic Solvent) is used as a catalyst in the esterification of stearic acid with glycerol in the manufacture of MDG. NADES is an environmental…