This standard specifies the sample preparation and liquid chromatography-mass spectrometry/mass spectrometry methods for L-hydroxyproline in exported foods. This standard is applicable to the liquid chromatography-mass spectrometry/mass spectrometry determination of L-hydroxyproline in liquid milk, milk powder, butter, yogurt, cream, cheese, chocolate, milk drinks and other milk and dairy products, protein powder and other plant-derived foods. .
SN/T 3929-2014 history
2014SN/T 3929-2014 Determination of L-hydroxyproline in foodstuffs for export.LC-MS/MS method