1 Compositions being seaweed extracts other than essential oils containing polyphenols for use in food; compositions being seaweed extracts other than essential oils containing alginates for use in food; compositions being seaweed extracts other than essential oils containing fucoidan for use in food; compositions being seaweed extracts other than essential oils containing fucoxanthin for use in food; compositions being seaweed extracts other than essential oils containing polyphenols for use in cosmetics; compositions being seaweed extracts other than essential oils containing alginates for use in cosmetics; compositions being seaweed extracts other than essential oils containing fucoidan for use in cosmetics; compositions being seaweed extracts other than essential oils containing fucoxanthin for use in cosmetics; compositions being seaweed extracts other than essential oils containing polyphenols for use in pharmaceuticals and nutraceuticals; compositions being seaweed extracts other than essential oils containing alginates for use in pharmaceuticals and nutraceuticals; compositions being seaweed extracts other than essential oils containing fucoidan for use in pharmaceuticals and nutraceuticals; compositions being seaweed extracts other than essential oils containing fucoxanthin for use in pharmaceuticals and nutraceuticals; compositions being seaweed extracts other than essential oils containing alginates for use in the bioplastics industry; marine biomass extracts, other than essential oils, for use in the food industry; marine biomass extracts, other than essential oils, for use in cosmetics; marine biomass extracts, other than essential oils, for use in pharmaceuticals and nutraceuticals; marine biomass extracts, other than essential oils, for use in the bioplastics industry; marine biomass extracts, other than essential oils, for use in the plant health industry; seaweed extracts, other than essential oils, for use in the food industry; seaweed extracts, other than essential oils, for use in cosmetics; seaweed extracts, other than essential oils, for use in pharmaceuticals and nutraceuticals; seaweed extracts, other than essential oils, for use in the bioplastics industry; seaweed extracts, other than essential oils, for use in the plant health industry