That's all it is. It is beautiful yeast extract.

就是这样，美丽的酵母萃取物。

Something like that, yeah yeah. Yeast extract, it's a real thing. It did bring up some memories.

对啦，这种反应就像是......酵母，真的是。它的确勾起我一些回忆。

The problem is that patties don't grow on trees, so they must be bound together to create the burger texture, which often means unhealthy fillers like gums, yeast extract, and corn starch.

问题是，小馅饼并不是从树上长出来的，因此它们和汉堡的口味结合时一般意味着有树胶、酵母膏、玉米粉等不健康的填充物。

If you read what Vegemite is, you would definitely be turned off it, it's made from brewer's yeast extract, has a few spices and vegetable extract and things that go into it.

如果你读到维吉麦是什么的话，你肯定不想吃它，它是由啤酒酵母提取物制成的，里面有一些香料和植物提取物，还有一些其他的东西。

Finally, it needs special nutrients to grow, such as cysteine and iron, so it grows on a special medium called buffered charcoal yeast extract, or BCYE, which contains cysteine and iron that are essentially for the growth of Legionella.

最后，嗜肺军团菌的生长需要特定营养素，例如半胱氨酸和铁；因此嗜肺军团菌的生长需要一种特殊的培养基：缓冲木炭酵母浸膏（BCYE），它含有嗜肺军团菌生长所需的半胱氨酸和铁。