Heme, of course, is the reason your blood can carry oxygen.

当然，素是液能够气的原因。

So, the first “bad” compound in meat we'll have a look at is heme iron.

所以，肉中的第一个“不好的”化合物是素铁。

Hemoglobin is actually made up of four peptide chains, each bound to a heme group.

蛋白实际上是由四条肽链构成，其中每条肽链均与亚铁素结合。

Normally, hemoglobin is made up of four globin chains, each bound to a heme group.

正常情况下，蛋白由4条珠蛋白链组成，每条珠蛋白链都与一个素基团结合。

Plants provide non-heme iron whereas meat and fish gives us heme-iron which is absorbed much more easily.

植物提供非素铁，肉和鱼提供的素铁更容易被吸收。

And ten tongue twisters later, we've got a completed heme.

在这十个绕口令之后，我们就得到了完整的素。

The WHO's IARC report identified heme iron as one of the suspect compounds in meat.

世界卫生组织的国际癌症研究机构的报告确认素铁是肉类中可疑的化合物之一。

There are four globin subunits, typically two alpha and two beta, and each one has its own heme group.

它含有四个球蛋白亚基，通常是2个α亚基和2个β亚基，每个亚基都含有素分子。

Heme iron is said to increase your risk for heart disease, and even cancer, particularly colon cancer.

据说素铁会增加患心脏病甚至癌症的风险，尤其是结肠癌。

Without Delta-ALA synthase, there's a build up of iron and not enough normal heme production.

若缺乏Delta-ALA合酶，就会导致铁的堆积及正常素合成的减少。

Scientists found that its belly contained iron, bound up in a molecule called heme—the compound in blood that carries oxygen.

科学家在其腹部发现含有铁, 组成了一种被称为亚铁素的分子，这是一种在液中气的化合物。

Each hemoglobin molecule contains four heme groups with iron cores to which oxygen binds.

每个蛋白分子包含四个素基，铁核与结合。

Now with sideroblastic anemia, there's defective protoporphyrin synthesis, which results in impaired incorporation of iron to form heme.

在铁粒幼细胞性贫中，原卟啉合成存在缺陷，导致铁结合形成素的能力受损。

Recycling of that heme group yields unconjugated bilirubin, which at high concentration can cause scleral icterus, jaundice, and bilirubin gall stones.

亚铁素的循环利用会产生非结合胆素，其浓度过高会导致巩膜黄染、黄疸与胆素胆结石。

So, before we forget about the heme in heme iron, let me just add that heme itself is essential for a ton of things.

所以，在我们忘记素铁中的素之前，让我补充一点，素本身对很多东西都是必不可少的。

It's called 'heme' and it's a key ingredient in their wheat, coconut and potato-based meat duplicate.

它被称为“ 素” ， 是他们的小麦、椰子和马铃薯肉制品的关键成分。

These disorders all affect the production of heme which is a major component of red blood cells.

这类疾病均影响素的合成；素是细胞的主要构成成分。

Depending on the person and their lifestyle, iron stores can deplete rapidly when you stop ingesting heme iron.

根据个人及其的生活方式，当你停止摄入素铁元素时，体内的铁元素会迅速耗尽。

The lack of functional heme results in anemia and fatigue.

缺乏有功能的素则导致贫和疲劳。

But you don't have to get your heme from the diet, your body makes it.

但你不必从饮食中获取素，你的身体会制造素。