The present invention relates to a process of preparation of a composition comprising sodium chloride and sodium chloride resistant microalgae biomass, said process comprising: a) providing: i) a carrier comprising sodium chloride ii) a living sodium chloride resistant microalgae biomass b) mixing said living salt resistant microalgae biomass with said carrier c) drying said mixture. The present invention further relates to compositions produced by the processes of the present invention and their uses. The present invention further relates to non-flagellated, non-cyst-forming sodium chloride resistant microalgae, selected from the group consisting of: Arthrospira (Spirulina) maxima designated strain Absheron (Accession No. BEA D03_12) and Chlorella vulgaris designated strain Novruz 2012 (Accession No. BEA D02_12) and mixtures thereof.