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

但LTCT样本身具有毒性,其作为黏膜佐剂的主要缺。

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

三聚氰胺确实种能够致病的化学添加物，但不等于说它本身就种有毒化学物质。