Biphasic microalgae extract comprising 15-95% by weight of an aqueous phase and 5-85% by weight of an oil phase, said extract containing at least 1% by weight of total w3 fatty acid fatty acids selected from the group consisting of in eicosapentanoic acid (EPA), docosahexaenoic acid (DHA) and combinations thereof, said extract also being characterized by the fact that it contains: * 40-100% by weight of the oil phase of selected lipids of triglycerides, diglycerides, monoglycerides , phosphatides, free fatty acids and combinations thereof; * 0.01-10% of carotenoids by weight of the oil phase; * 0.5-10% of sodium chloride by weight of the aqueous phase; * 0-3% by weight of undissolved material apart from the dispersed droplets of aqueous phase or oil phase; and * 0-10% of C1-5 monoalcohol by weight of the aqueous phase.Extracto de microalgas bifasico que comprende 15-95 % en peso de una fase acuosa y 5-85 % en peso de una fase oleosa, dicho extracto que contiene al menos 1% en peso de acidos grasos de acidos grasos w3 totales seleccionados del grupo consistente en acido eicosapentanoico (EPA), acido docosahexaenoico (DHA) y combinaciones de los mismos, dicho extracto ademas estando caracterizado por el hecho de que contiene: * 40-100% en peso de la fase oleosa de lipidos seleccionados de trigliceridos, digliceridos, monogliceridos, fosfatidos, acidos grasos libres y combinaciones de los mismos; * 0,01-10% de carotenoides en peso de la fase oleosa; * 0,5-10% de cloruro sodico en peso de la fase acuosa; * 0-3 % en peso de material no disuelto aparte de las gotitas dispersas de fase acuosa o fase oleosa; y * 0-10% de monoalcohol C1-5 en peso de la fase acuosa.