Abstract: The present invention is related to extracts rich in polar lipids obtained or obtainable from macroalgae, microalgae, photosynthetic bacteria and/or photosynthetic organ(s) and/or tissue(s) of a plant and combinations thereof as well as their uses as emulsifiers.

Abstract: The present in relates to methods and uses for preparing biological extracts using Deep Eutectic Solvents (DES) as hydrotropic agents, methods for purifying biological extracts formed using Deep Eutectic Solvents (DES) as hydrotropic agents, the biological extractions obtained using the methods and uses and the use of the biological extracts, such as in food-stuffs, flavours and fragrances, pharmaceuticals, cosmetics, nutraceuticals and supplements, such as food supplements and sports supplements.