Abstract: Provided is a method for producing a vesicle composition having an aqueous phase as a continuous phase, containing: an oil phase-preparation step for dissolving an oil phase containing components (A) to (D) at a temperature of equal to or higher than melting point of the oil phase, the components (A) to (D) being: the component (A): a fatty acid of total carbon number of from 12 to 40; the component (B): a tertiary amine compound of total carbon number of from 8 to 75; the component (C): an organic acid of total carbon number of from 1 to 10; and the component (D): the first polyol, an emulsification step for adding the aqueous phase to the oil phase obtained in the oil phase-preparation step while being mixed; an addition step for adding a component (D?): the second polyol, after a quantity of the aqueous phase added to the oil phase is equal to or larger than 1 time by mass of a quantity of the oil phase; and cooling step for cooling the obtained composition after the emulsification step.

Abstract: Provided is an acidic oil-in-water type emulsified composition, containing an oil or fat having a diglyceride content of 30 wt. % or greater an egg yolk, and a water soluble soybean polysaccharide. The acidic oil-in-water type emulsified composition of the present invention is excellent in taste and appearance stability, has resistance against pressure-induced shear stress which occurs upon preparation or use, shows less changes in physical properties, for example, viscosity reduction can be suppressed, and is free from appearance change such as oil/water separation. Thus, it has a stable quality.

Abstract: Provided is an acidic oil-in-water type emulsified composition, containing an oil or fat having a diglyceride content of 30 wt. % or greateran egg yolk, and a water soluble soybean polysaccharide.