[Documentation] The present invention relates to a powdered solid dispersion containing quercetin, phospholipids and a very freely water-soluble carrier. The present invention also relates to a powdered solid dispersion and a method for preparing a pharmaceutical composition, a dietary supplement composition and a cosmetic composition containing the solid dispersion. [Selection diagram] Fig. 1【書類】 本発明は、ケルセチン、リン脂質および非常に自由に水溶性の担体を含む粉末固体分散物に関する。本発明はまた、粉末固体分散体、ならびに前記固体分散体を含む医薬組成物、栄養補助食品組成物および化粧品組成物の調製方法に関する。【選択図】図1