Norwegian seaweed (marine algae) Ascophyllum nodosum is harvested in the sea and transported fresh to the
factory for immediate processing. In the factory seaweed is chopped and dried. The dried seaweed is loaded into
a reactor, and is extracted in water containing potash. The resultant extract liquid is dried in a spray drier, thus
producing flakes. The flakes are sieved and packed. The parameters under control during extraction are:
reaction time, temperature, and pH; during the drying phase: temperature and humidity; during sieving: sieve
size for packing.