That may already exist naturally or from preservatives with vitamin c (Ascorbic acid), with a metal such as iron thaeron SI CHAN.And copper (often found in water) is a catalytic.
That may already exist naturally or come from preservatives with vitamin C (Ascorbic acid) by a transition metal such as iron and copper (typically found in water) as a catalyst.
That may already have naturally or from preservatives with vitamin C (Ascorbic acid) by tran ซิชัน metal such as iron and copper (often found in the water). As catalyst.