Water-soluble zinc pyruvates or their hydrates, method for the production thereof and their use

摘要

Water-soluble zinc pyruvates and hydrates thereof of the formula Iwhere x=1.8 to 2.2 and n=0 to 5 are described. The inventive zinc pyruvates are distinguished by a high purity and excellent storage stability and thermal stability and can be employed especially for use as therapeutic agent for treating diabetes, cold prophylaxis, virus inhibition, cytoprotection, as microbicide and as radical absorber and as food supplement or supplement for the prophylaxis and prevention of zinc deficiency symptoms.