Abstract: Process for the preparation of a powder comprising bio active molecules, said process comprising the steps of (i) providing a liquid composition comprising bio active molecules, (ii) optionally pre-heating said liquid composition, provided that the temperature of the liquid composition does not exceed 65° C., (iii) transporting the optionally pre-heated liquid composition to the top of a spray drying tower via a tower feeding line, (iv) raising the temperature of the optionally pre-heated liquid composition using a direct electric volumetric heater located within the tower feeding line, the final temperature of the liquid composition being in the range 60-90° C., followed by (v) transporting the resulting liquid composition via the tower feeding line to the atomizer of a spray-dryer.

Abstract: Method for dispensing a foamed product, wherein gas is supplied to the product via a microfiltration device, includes a product dispensing system, provided with a holder which contains a product to be dispensed, and a product discharge arrangement for discharging product coming from the holder. The product discharge arrangement is provided with a microfiltration device which is connectable to a fluid supply for supplying gas to the product during product discharge.