In cells, proteins such as metallothioneins and phytochelatins, organic acids and amino acids also play an important role in metal ion storage and detoxification.

• 同时，细胞内的金属硫蛋白、植物螯合肽等蛋白质以及有机酸、氨基酸等在金属贮存和解毒方面也起重要作用。