Distilled monoglyceride can form the complex with the protein and starch. It could prevent starch from recrystallizing after cooling because of formation of infusible complex with straight chain form starch. Also it can prevent the starch from aging, keeping the food which are rich in the starch including bread, cake, potato goods fresh, soft for a long time. At present, complex value of distilled monoglyceride, which is 92 comparing to complex indexes of ester is only 28., is highest in all kind food emulsification, according to its straight chain starch complexing effect.