V Sravya, G Krishna Mohan and A Srivani

Since ancient times, marine seaweeds have been employed as a source of traditional food and medicine in Asian and other seacoast nations. Halimeda gracilis is a marine seaweed has ability to produce hydrocolloids which are used in food and cosmetic industries. Numerous investigations on this marine seaweed have been produced a wealthy of information regarding its biological activity in relation to the type of extract provide better activity. The plant has been utilized as an antioxidant, anti-diabetic, anti-bacterial, anti-bacterial, anti-plasmodial, anti-cancer, larvicidal, and spermicidal agent based on previous reports. The plant has discovered to be phytochemically abundant in tannins, phenols and phenolic derivatives, steroids, alkaloids, terpenoids, saponins, glycosides. The current review provides a summary of the state of understanding about morphology, their taxonomical classification, active chemical constituents and their chemistry, pharmacological activities and traditional applications.

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