METHOD OF PRODUCING EMULSION OR DISPERSION AND FOOD, SKIN EXTERNAL PREPARATION AND DRUG CONTAINING EMULSION OR DISPERSION OBTAINED BY THE PRODUCTION METHOD

摘要

A water-soluble organic solvent solution containing a natural ingredient that has been extracted from a natural animal or plant using a water-soluble organic solvent and an aqueous solution are passed through respective microflow channels each of which has a cross-sectional area at a narrowest portion of from 1 μm2 to 1 mm2; and thereafter mixed by a counter collision. Preferably, the water-soluble organic solvent is removed after the mixing. Also provided are a food, a skin external preparation, and a drug, each of which contains an emulsion or dispersion obtained thereby.