Free Access
Issue
Lait
Volume 46, Number 451-452, 1966
Page(s) 1 - 9
DOI https://doi.org/10.1051/lait:1966451-4521
Lait 46 (1966) 1-9
DOI: 10.1051/lait:1966451-4521

Détection de l'hydrolyse partielle du lactose dans un echantillon de lait par chromatographie en couche mince

B. DEMANGE and R. FRENTZ

Ecole de Laiterie de Nancy, Directeur : A. VEILLET

Abstract - Before performing a " reductimétric "" determination of lactose in milk, it is essential to ascertain whether there was no more than 0;5 g of broken down lactose by litre.
That verification, which is till now carried out in about 40 hours by paper chromatography, can be completed in 2 hours, in the easier and the more inexpensive way, thanks to chromatography of silicagel in thin layer, whose process is described and discussed