Spirulina

Arthrospira; BGA; Blue-Green Algae; Cyanobacteria; Cyanophyta

... Although spirulina species are only a few of the many types of blue-green algae, the name spirulina is often used to identify the whole group of edible blue-green algae.

Well-known in many areas if the world as a food source for both animals and humans, spirulina can add minerals, proteins, and vitamins to the diet. Spirulina may also have medicinal uses. It contains antioxidants such as beta carotene and zeaxanthin. Antioxidants are thought to protect body cells from damage caused by a chemical process called oxidation. Oxygen free radicals, natural chemicals that may suppress immune function and damage body cells, are the result of oxidation. Both beta carotene and zeaxanthin decrease the activity of oxygen free radicals. In addition, zeaxanthin is thought to strengthen the retina of the eyes, helping to prevent macular degeneration – a condition that blurs or destroys sight as parts of the eye deteriorate. Early results from ongoing animal studies indicate that antioxidants in spirulina may help to prevent a type of kidney stone. ...

?Cyanobacteria Anabaena sphaerica (Nostocales) Scientific classifica ...