Concentration by pervaporation of aroma compounds from Fucus serratus

The aromatic compositions of a marine alga (Fucus serratus) and its macerat ion were determined. Sixteen major volatile compounds were selected as bein g representative of algal aroma components. Pervaporation performance was i nvestigated using a model multicomponent solution and low aroma compound fl uxes were obtained. Interesting selectivities were calculated showing the c oncentration potential of pervaporation. Comparison with maceration pervapo ration was made and showed similar selectivity values. Finally, the sensori al quality of the maceration pervaporate was evaluated regarding the operat ing parameters of pervaporation. The permeate pressure had a statistically significant effect upon aromatic quality. (C) 2000 Society of Chemical Indu stry.