Edible seaweed 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 physical properties of these hydrocolloids. Most edible
Edible ink printing have now become prevalent and are used in conjunction with special ink printers. Ink that is not specifically marketed as being edible may be harmful or fatal if swallowed. Edible toner for laser printers is not currently available. Any inkjet or bubblejet printer can be used to print, although resolution may be poor, and care should be taken to avoid contaminating the edible inks with previously used inks. Inkjet or bubblejet printers can be converted to print using edible ink, and cartridges of edible ink are commercially available. Some edible inks are powdered, but if they are easily soluble in