Milk and dried milk, buttermilk and buttermilk powder, whey and whey powder. Detection of phosphatase activity

alkaline phosphatase analytical methods babeurre buttermilk dried milk dried products fosfatasa alcalina lactosuero lactosérum lait lait déshydraté leche leche en polvo milk milk products normas norme phosphatase alcaline productos lácteos productos secos produit laitier produit séché standards suero de leche technique analytique técnicas analíticas whey