自し然ぜん毒どく

noun

natural toxin; naturally occurring poison

Refers to toxic substances produced by living organisms, such as plants, animals, fungi, or bacteria, as opposed to synthetic chemicals.

• キノコの自し然ぜん毒どくによる食しょく中ちゅう毒どくが毎まい年とし報ほう告こくされている。

  Food poisoning caused by natural toxins in mushrooms is reported every year.

• フグの自し然ぜん毒どくは適てき切せつに処しょ理りしないと危き険けんだ。

  The natural toxin in pufferfish is dangerous if not properly prepared.