When the oil is heated the ricin protein denatures or changes shape, which renders it harmless.

榨取的蓖麻油中虽含有毒，借由加热，使蛋白质变性而去除毒性。

Typically, when hop flowers are added during the initial cooking of the fermentable brew, those key enzymes are denatured.

通常来说，在发酵啤酒最初蒸煮过程中加入啤酒花，那些关键就会变性。

Additionally, lead poisoning can also denature ribonuclease which is an enzyme that degrades ribosomes.

此外，中毒还会使核糖核酸变性，是一种降解核糖体的。

Lead poisoning has also been shown to denature enzymes important in heme synthesis, like Delta aminolevulinate dehydratase and ferrochelatase, which are important for heme synthesis.

中毒同样也被证明会使血红成中重要的变性，如Delta-氨基乙酰丙酸脱水与亚铁螯一类对血红成至关重要的。

And though the plant as most of us know it has been poisoned by chemicals and denatured by intensive mono-cropping and is therefore hardly the plant it was, still, to some modern Indians it remains a plant of positive power.

尽管我们大多数人都知道一植物已经被化学制品污染，并因为集约化也失去了其本性，因此几乎已经不是原来的样子了，是一些现代的印第安人仍然把它看作一种拥有积极力量的植物。