这些化合物能消除过氧化氢等自由基，而要维护健康的新陈代谢功能的话，必须把这些自由基从细胞中清除出去。

These compounds have the ability to scavenge free radicals such as hydrogen peroxide, which must be removed from cells to maintain healthy metabolic function.

youdao

同时它还降低了过氧化氢物的含量，过氧化氢物是另外一族能导致细胞破坏的化合物。

It also cut the level of hydroperoxides, another group of oxidising agents that cause cell damage.

youdao

过氧化物：任何由两个氧原子以单个共价键相互结合在一起的一类化合物。

Peroxide: Any of a class of chemical compounds in which two oxygen atoms are linked by a single covalent bond.

youdao