The invention relates to a method for the production of potato juice based products by means of food technology, characterised by the following steps; preparing the squeezed potato juice, filtering off the fibres or starch residues by means of a microfilter, preferably ultrafiltration the filtrate, electrodialysis of the microfiltrate or the ultrafiltrate and optionally, drying the electrodialysate by adding carrier substances containing silicates.