Zinc

Zinc is a common element in the natural environment. Apart from artificially reduced zinc metal it exists in the divalent state Zn (II) in the environment and it is an essential element for most organisms. It is well known that zinc deficiency causes numerous effects in humans including neurosensory changes growth retardation and delayed wound healing but most people obtain sufficient amounts of zinc from their diet. On the other hand it is reported that high doses of zinc cause gastrointestinal