The standard specifies a method for the determination of L- and D-Lactic acid of milk and milk products. Treatment of a extract the sample with several enzymes and spectrometric measurement to determine the amount of NADH produced, which is proportional to the lactic acid and lactates content.#,,#
DIN 10335:1987 history
2010DIN 10335:2010-09 Milk and milk products except milk powder - Determination of L- and D-lactic acid (L- and D-lactat) content - Enzymatic method
2010DIN 10335:2010 Milk and milk products except milk powder - Determination of L- and D-lactic acid (L- and D-lactate) content - Enzymatic method
1987DIN 10335:1987 Determination of L- and D-lactic acid (L- and D-lactat) content of milk and milk products; enzymatic method