PROBLEM TO BE SOLVED: To provide an antibacterial agent that contains, as an active ingredient, a novel antibacterial agent, particularly an antibacterial agent effective for drug resistant bacteria.SOLUTION: An antibacterial agent contains dimeric sesquiterpene thioalkaloid.COPYRIGHT: (C)2014,JPO&INPIT【課題】新規の抗菌薬、特に薬剤耐性菌に対しても有効な抗菌薬を有効成分とする抗菌剤を提供すること。【解決手段】セスキテルペン二量体チオアルカロイドを含有する抗菌剤。【選択図】なし