Enzymatic method for the determination of L-arginine, urea and ammonia (Yeast Available Nitrogen -YAN). Based on the spectrophotometric measurement of NADPH consumed through the reactions, after addition of arginase (ARG), urease (URE) andglutamate dehydrogenase (GlDH).
Size
50 tests
Concentration
n/a
Applications
This rapid and simple stereo-specific enzymatic method is used for the simultaneous determination of L-arginine, urea and ammonia (yeast available nitrogen, YAN) in foodstuffs and in the wine industry (grape juice, fermenting must and fermenting wine). This kit is suitable for both manual and micro-volume formats.