PROBLEM TO BE SOLVED: To provide a composition for oral cavity having an antibacterial property against periodontal pathogens, carious pathogens and/or fungi.SOLUTION: There is provided a composition for oral cavity which comprises a mastic essential oil and a grapefruit seed extract.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】歯周病原細菌、齲蝕病原細菌及び/又は真菌に対する抗菌性を有する口腔用組成物を提供する。【解決手段】マスティックエッセンシャルオイル及びグレープフルーツ種子抽出物を含む口腔用組成物。【選択図】図1