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
Singular point of an algebraic variety at that is lower than the rank at other points of the variety. Points of "V" that are not singular are called non-singular or regular. It is always true that almost all points are non-singular, in the sense that the non-singular points form a set that is both open and dense in the variety (for the Zariski topology, as well as, in the case of varieties defined over the complexes, for the usual topology). In case of a real variety (that is the set of the points with real coordinates of a variety defined by polynomials with real coefficients), the