NEW METHOD FOR PRODUCING POWDERY PREPARATION OF AQUEOUS LIQUID

摘要

PROBLEM TO BE SOLVED: To solve the problem that a powdery preparation of an aqueous liquid is sidestepped and is in an undesirable situation because an antioxidant and/or an antiseptic agent are/is formulated with the powdery preparation in order to stabilize an efficacious component and/or to stably preserve the preparation and therefore there is anxiety caused by secondary side effects due to those substances added. SOLUTION: A new method for producing a powdery preparation of an aqueous liquid is to agitate a formulation comprising a boron compound, water and an alkylsiloxylated silicic acid by means of a high-speed mixer and enables the production of the preparation excellent in storage stability without causing a feeling of anxiety based on secondary side effects or the like.