Description
AAN is measured by the NOPA assay developed by Dukes and Butzke. The method measures only amino acids that can be utilised by yeasts under typical fermentation conditions. Please ensure juice samples are sulfured and frozen before despatch. Also see YAN (Yeast Assimilible Nitrogen).
10mL of sample required
Either Request a Free EasyTest Sample Kit or package and supply your own 10ml sample.
