So they're investigating whether denatonium, or something like it, can help treat overeating or diabetes.

所以他们正在研究它或者是类似的物质是否能够帮助治疗过度饱食或糖尿病。

You can also find denatonium in special nail polishes designed to help stop people from biting their nails.

你还能在一种为帮助防止人们啃指甲的特制指甲油中发现这种物质。

Humans have more than forty different TAS2Rs, several of which bind to denatonium.

人类有四十多种不同的苦味受体，其中有几种和苯甲地那铵相关联。

Denatonium, in its marketed form “Bitrex, ” has held the Guinness World Record for bitterest substance for half a century.

苯甲地那铵的市场推广形式是“甲酸苄铵酰胺”，半个世纪以来，它一直是吉尼斯世界纪录最苦物质的保持者。

So, inhaling denatonium can lead to bronchodilation, the expansion of your airways that leads to increased airflow.

所以，吸入苯甲地那铵可以使支气管扩张，扩张你的呼吸道，增加气流。

And ultimately, that means further research on denatonium could help people breathe easier.

最终这意味着对苯甲地那铵的进一步研究可以帮助人们呼吸顺畅。

Multiply that feeling many, many times over and you've got denatonium, the most bitter compound we know of.

反复多次叠加这种苦的感觉，便是苯甲地那铵了，这是人类已知最苦的化合物。

But when they added a benzyl group to it, they ended up with something different, a compound that we call denatonium.

但是当他们往里面添加苄基后，得到了一种不同的化合物：苯甲地那铵。

You might have heard about the big fuss in when Nintendo released their new Switch game cartridges, for example, because they'd laced them with denatonium and apparently everyone noticed.

你或许听说过，在 2017 年，任天堂发布了新的 switch 游戏机，他们在卡带上涂上了苯甲地那铵，显然大家都注意到了这一点。

It's even used in rat poison, turns out that rat tongues are about 30, 000 times less sensitive to denatonium than we are, so it doesn't scare them off.

它甚至在杀鼠剂中都有，事实证明人类舌头对苯甲地那铵的敏感度是老鼠的约三万倍，所以这苦不到它们。

You have similar taste receptors in your gut, and scientists have found that directly injecting denatonium solutions into stomachs can slow the digestion process, increase feelings of fullness, and even help lower blood sugar levels.

肠道中也有类似的味觉感受器，科学家们发现将苯甲地那铵直接注射进胃部可以减缓消化作用，增加饱腹感，甚至可以帮助降低血糖。