Spirulina, a Bluegreen alga having high nutritive value, exists in freshwater, brackish water and seawater habitats. It also can grow in warm temperatures and tropical regions and it is reported to grow abundantly in alkaline water bodies and salty lakes. S.platensis has been used as food for many centuries by different populations and only discovered in recent years. The annual production of the algae is about 10,000 tons which makes it the largest microalgal cultivation industry in the world, (Richmond,
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.