Edible seaweed soaps, and lotions. Common edible seaweeds include: Edible seaweed Edible seaweed, or sea vegetables, are algae that can be eaten and used in the preparation of food. They typically contain high amounts of fiber. They may belong to one of several groups of multicellular algae: the red algae, green algae, and brown algae. Seaweeds are also harvested or cultivated for the extraction of polysaccharides such as alginate, agar and carrageenan, gelatinous substances collectively known as hydrocolloids or phycocolloids. Hydrocolloids have attained commercial significance, especially in food production as food additives. The food industry exploits the gelling, water-retention, emulsifying and other
Dimension of an algebraic variety if if defined over the reals, then the set of its real regular points, if it is not empty, is a differentiable manifold that has the same dimension as a variety and as a manifold. This is the algebraic analogue to the fact that a connected manifold has a constant dimension. This definition is not intrinsic as it apply only to algebraic sets that are explicitly embedded in an affine or projective space. This the algebraic translation of the preceding definition. This is the algebraic translation of the fact that the intersection of general hypersurfaces is an algebraic set of