PROBLEM TO BE SOLVED: To provide an antimicrobial agent against Porphyromonas gulae, an agent for periodontitis prevention of pet animals caused by Porphyromonas gulae, and an oral composition excellent in palatability of the pet animals, as well as having an excellent antimicrobial action against pathogens in periodontitis of canines or felines.SOLUTION: This invention provides (A) an antimicrobial agent against Porphyromonas gulae, containing an Angelica keiskei extract as an active ingredient.COPYRIGHT: (C)2015,JPO&INPIT【課題】Porphyromonas gulaeに対する抗菌剤、Porphyromonas gulaeに起因するペットの歯周病予防剤、イヌやネコの歯周病の原因菌に対して優れた抗菌作用を有すると共に、ペットの嗜好性にも優れる口腔用組成物を提供する。【解決手段】(A)明日葉抽出物を有効成分として含有するPorphyromonas gulaeに対する抗菌剤。【選択図】なし
