Aspartame is broken down to phenylalanine, aspartic acid, and methanol.

阿斯巴甜分解成丙氨酸、天冬氨酸和甲醇。

Phenylalanine is in so many foods, it's incredibly hard to avoid.

丙氨酸存于许多食物中，很难避免。

People with PKU are unable to properly metabolize or digest phenylalanine, which is one of the 20 common amino acids that we've been talking about.

有 PKU 的人无法正确代谢或消化丙氨酸，丙氨酸是我们一直的 20 种常见氨基酸之一。

The consequence of ingesting phenylalanine for people with PKU is that they are subject to permanent intellectual disabilities, so it's a scary thing to have.

PKU者摄入丙氨酸的后果是会出现永久性智力障碍，所以吃丙氨酸是一件很可怕的事情。

Outside of people with a rare genetic disorder known as phenylketonuria, phenylalanine and aspartic acid are generally safe to consume, since they're amino acids that exist in pretty much any protein source.

除了有罕见遗传性疾病-丙酮尿症的人之外，其他人通常可以安全食用丙氨酸和天冬氨酸，因为这两者是几乎存于所有蛋白质中的氨基酸。

Essential amino acids, or EAAs, are amino acids that our body needs but cannot produce on its own, and there are 9 of them: Histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.

基本氨基酸，简称 EAA，是我们身体需要但不能自己产生的氨基酸，其中有 9 种：组氨酸，异亮氨酸，亮氨酸，赖氨酸，蛋氨酸，丙氨酸，苏氨酸，色氨酸和缬氨酸。