One of its phytochemicals is thujone, best known as a chemical in the liquor absinthe that is said (falsely) to have hallucinatory effects.

其植物素之一侧柏酮，据说（不真实的）是苦艾酒中起致幻作用的一种化学成份。

youdao

At issue is whether absinthe needs to contain minimum levels of two substances - anethole and the chemical thujone, a toxin extracted from wormwood, which reputedly has mind-altering effects.

BBC: Europe