PROBLEM TO BE SOLVED: To provide a new agent for inducing secretion of an antibacterial peptide such as defensin.SOLUTION: An agent for inducing secretion of a new antibacterial peptide such as α-defensin comprises sterol glycoside derived from germinated unpolished rice and/or unpolished rice bran as an active ingredient.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT【課題】新たなディフェンシン等の抗菌性ペプチドの分泌誘導剤を提供することを課題とする。【解決手段】発芽玄米及び/又は玄米糠由来のステロール配糖体を有効成分とするα-ディフェンシン等の抗菌性ペプチドの分泌誘導剤【選択図】図1