Abstract
The objective of current study was to evaluate in vitro antioxidant activities of ethanol extract of Ulva lactuca L. The DPPH, total antioxidant capacity, superoxide, hydroxyl, and nitric oxide radicals assays were used to determine the ethanol extract of U. lactuca's in vitro antioxidant activity. At different concentrations, the radical scavenging activity was measured. The high concentration of phytochemical components in U. lactuca extract may be the cause of its antioxidant properties. The Ulva lactuca is a significant source of natural antioxidants that may provide defence against illnesses caused by free radicals. Additionally, research is needed to isolate and characterise the algal active chemicals for use in in vivo tests and to understand their mechanisms of action
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