However LT is a toxicoid with the same as CT,which is the main disadvantage of LT as immunoadjuvant.

但LT和CT一样本身具有毒,其作为黏膜佐剂主要缺。

The melamine is truly one kind can the pathogenesis chemistry supplement, but this was not equal to after all said it is one toxicoid.

三聚氰胺确实一种能够化学添加物，但毕竟不等于说它本身就一种有毒化学物质。