Which E-numbers and additives are from animal origin ?, su Food-Info.net, Netherlands, Wageningen University. URL consultato il 4 settembre 2015.
«Chemically the fatty acids from animal or plant origin are identical. Therefore the origin is of no importance for the function in the food. Producers thus normally choose the cheapest oils to make these fats. This is generally some vegetable oil. However, animal fats can not be excluded.»