Zinc is an essential trace element for yeast. It stimulates numerous metabolic reactions such as protein synthesis, nucleic acid and carbohydrate metabolism, phosphate transfer and cell reproduction. There are approx. 70 known zinc metalloenzymes.
Determination of zinc content in beer
This method is suitable for beer.
Copper in beer is measured using the AAS technique by directly aspirating the diluted sample into an acetylene oxygen flame; the measurement is carried out at 324.7 nm.