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

三聚氰胺确实是一致病的化学添加，这毕竟不于说它本身就是一有毒化学。

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

是LT和CT一样本身具有毒性,这是其作为黏膜佐剂的主要缺点。