The question can be answered by an article titled The Delicious Flavor with a Toxic Secret, published by BBC, and another article titled The Tonka Bean, an Ingredient So Good It Has to be Illegal, published by The Atlantic, as well as an article titled The Real Reason Tonka Beans are Illegal in the US, published by Mesh.com, which is a food-focused website that offers a wide range of content about food and drink.
英國廣播公司(BBC)發表的題為《有毒祕密的美味風味》(The Delicious Flavor with a Toxic Secret)的文章、《大西洋月刊》(The Atlantic)發表的題為《唐卡豆,一種好到必須非法的配料》(The Tonka Bean, an Ingredient So Good It Has to be Illegal)的文章以及 Mesh.com 發表的題為《唐卡豆在美國非法的真正原因》(The Real Reason Tonka Beans are Illegal in