Application of 5'-phosphodiesterase in waste brewer's yeast

Waste brewer's yeast was the by-product in the beer brewing and rich in protein,nucleic acid,amino acid etc.Malt root was another important by-product in beer brewing,the 5'-phosphodiesterase extracted from which can effectively improve the content of 5'-nucleotide in yeast extract.Comprehensive utilization of waste brewer's yeast will create great social and economic benefit.