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.

本氨，简称 EAA，我们身体需要但不能自己产生的氨，中有 9 种：组氨，异氨，氨，赖氨，蛋氨，苯丙氨，苏氨，色氨和缬氨。

Glycine, alanine, valine, leucine are all nonpolar assets and this is how you drop them in an exam.

甘氨，丙氨，缬氨，氨全都非极性的，这就你如何征服考试的秘诀啦！

Plant sources of protein tend to be lower in branched-chain amino acids, they tend to be lower in essential amino acids, and tend to be lower in leucine.

植物来源的蛋白质往往支链氨含量较低，必需氨含量较低，氨含量较低。

When you're in ketosis, you have a higher fasting blood leucine level.

当你于酮症状态时，空腹的血液中氨水平会更高。

The bacteria hiding out between your toes produce this acid when they're chomping away on leucine.

当隐藏在脚趾的细菌产生氨时，就会产生这种。

Without this enzyme, leucine can only be broken down part-way.

没有这种酶，氨只能被部分分解。

Measurements like fractional synthetic rate within 0 to 5 hours post-exercise were reduced by as much as 20 percent through leucine tracer observations.

通过氨示踪观察，诸如运动后0到5小时内的分数合成率等测量值降低了20%。

One last factor in Ketosis preserving muscle is leucine.

酮症最后一个储存能量的要氨。

And leucine is a key branch chain amino acid that has an anabolic effect on the body so it preserves lean body mass.

而氨一种在体内起合成代谢作用的，关键性支链氨，所以它能保护体内脂肪较少的肌肉块。

In specific, Dr. Layne Norton explains that you need to go to greater lengths to get enough of that key muscle protein synthesis stimulating amino acid leucine if you are relying on plant sources of protein.

具体来说，莱恩·诺顿博士解释说，如果你依赖植物来源的蛋白质，你需要吃得更多，以获得足够的关键肌肉蛋白质合成刺激氨氨。

I am getting my amino acid leucine profile, protein count.

我正在做氨的氨谱检测和蛋白质含量检测。

These are flagged up by lower than normal levels of things like leucine, glycerol and phenylalanine Your local environment breathing in polluted air has a marked impact on the profile of your metabolites.

这些标志由氨、甘油和苯丙氨等物质低于正常水平引起的。你所的环境，比如吸入污染的空气，会对你的代谢物谱产生显着影响。

The RDA for leucine, which is that essential amino acid, meaning we cannot make it, we must get it from the diet, is set at 2.7 grams per day.

氨的日推荐摄入量为2.7克， 这一种必需氨，意味着我们无法自行合成它， 必须通过饮食摄取。

Most bats consumed blood that had one of two amino acids (either leucine or glycine) chemically labelled beforehand.

大多数蝙蝠食用的血液中含有预先经过化学标记的两种氨（氨或甘氨）中的一种。

Collagen protein is going to be least ideal for post-workout protein because of the fact that it's, you know, it lacks significant amounts of leucine, et cetera.

胶原蛋白最不理想的运动后蛋白质，因为它缺乏大量的氨等。

And then I said, OK, well, maybe leucine isn't getting into the cell.

然后我说，好吧，也许氨没有进入细胞。

And my hypothesis was, well, however long leucine is elevated in the blood is going to be how long protein synthesis stays up.

我的假设，血液中氨升高的时间长短决定了蛋白质合成维持的时间长短。

Skeletal muscle is sensitive to one of the amino acids, leucine.

骨骼肌对一种氨——氨敏感。

Not only to get that leucine content up in the muscle, to start the reparation and repair, but also again, to signal that, yeah, we're in a building state.

不仅让肌肉中的氨含量上升，以启动修复过程，而且还要再次发出信号，表明我们正于合成状态。

When an individual like your mom who's now stopped growing, the body becomes much more reliant on leucine and resistance training because the main pathway that these things go towards is something called mTOR, mammalian target of rapamycin.

对于像你妈妈这样已经停止生长的人来说，身体会变得更加依赖氨和抗阻训练， 因为这些物质主要作用于一个名为mTOR（哺乳动物雷帕霉靶蛋白）的途径。 随着年龄增长，这些途径的影响也会发生变化。