N-OPA refers to one of the two prominent forms (along with NH3) of nitrogen that serve as yeast nutrients. The determination of the enzyme of the reaction or N-OPA is commonly measured along with NH3 to determine YAN (Yeast Assimilable Nitrogen).
Alpha Amino Nitrogen (N-OPA)
(Units: g/L, Technique: Enzymatic)
|Enzymatic||24 hours||50 mL|