PROBLEM TO BE SOLVED: To provide an antibacterial component sustained-releasing composition and an antibacterial sheet which can obtain excellent antibacterial properties, have less pungent odors, and can expand their use purpose and use range.SOLUTION: This invention provides an antibacterial component sustained-releasing composition including thymol in an adhesive, and an antibacterial sheet having an antibacterial component sustained-releasing composition layer formed by using the antibacterial component sustained-releasing composition and, on one face of the composition layer, a transmission layer which transmits thymol and 2-6C aliphatic monohydric alcohol is provided.COPYRIGHT: (C)2014,JPO&INPIT【課題】良好な抗菌性が得られると共に、刺激臭が少なく、使用用途及び使用範囲を広げることのできる抗菌性成分徐放組成物、及び抗菌性シートを提供する。【解決手段】粘着剤中にチモールを含むことを特徴とする抗菌性成分徐放組成物、及び上記抗菌性成分徐放組成物を用いて形成された抗菌性成分徐放組成物層を有し、該組成物層の一方の面に、チモールと炭素数2~6の脂肪族一価アルコールを透過する透過層を設けたことを特徴とする抗菌性シートである。【選択図】図1