what is superoxide dismutase used for

{"title":"Chicken Superoxide Dismutase Assay Kit \/ SOD ELISA Kit for Cell Culture Supernates","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/11\/66\/a78eaa417716a77190bc4dc92213-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"BT Lab","Model Number":"Cat.No E0011Ch","Minimum Order Quantity":"1 kit","Delivery Time":"1-3 business days, bulk order within one week","Certification":"CE, ISO9001:2005, MSDS","Place of Origin":"Shanghai, China","Payment Terms":"Western Union, T\/T","Supply Ability":"In Stock","Packaging Details":"Wrapped with ice pack and styrofoam package","Bulk Order":"Yes","Know as":"SOD","Assay Time":"2 hours","Discount":"Available","Customized":"Acceptable","Assay Principle":"Sandwich"}}

{"title":"Nasturtium P.E.\/ Watercress Extract, stop coughing, diuresis, beneficial to brain, treat dysphoria, 10:1, herbs extract","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/2f\/25\/8d845a52cbcfc900fc32c65606aa-200x200-1.jpg","attrs":{"Price":"1","Brand Name":"Yongyuan","Model Number":"Powder","Minimum Order Quantity":"1","Delivery Time":"5-7 work days","Certification":"ISO9001","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"1","Packaging Details":"25 kg\/drum","Product name:":"Nasturtium P.E.\/ Watercress Extract","Specification:":"10:1","Part Used:":"Whole plant","Latin name:":"Nasturtium officinale R. Br"}}