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
Edible-nest swiftlet is darker with a rump that is less obviously paler. Several calls are uttered including a loud, rattling call used for echolocation in dark caves. There are six subspecies of the edible-nest swiftlet: German's swiftlet ("Aerodramus germani"), with two subspecies "germani" and "amechanus", was formerly considered to be conspecific with the edible-nest swiftlet, but is now often considered to be a separate species. It occurs in the Malay Peninsula, central Thailand, coastal Vietnam and Cambodia, Hainan, northern Borneo and parts of the Philippines. The edible-nest swiftlet feeds over a range of habitats from coastal areas to the mountains, occurring up