SOD1 and heavy metal poisoning: Studies have shown that R. roxburghii can promote the excretion of heavy metals, supplement trace elements in the body, enhance SOD activity in blood, liver, and kidney tissues, and promote the increase of T lymphocytes in the body, significantly improve the immune function and antioxidant capacity of the body, and reduce the lipid peroxide (LPO) and lipid peroxidation degradation product malondialdehyde (MDA) content, thereby lowering the total metal accumulation in blood, liver, and kidney tissues, and reducing the secondary damage caused by heavy metal poisoning [106,107,108,109,110,111].