Abstract

Objective: To explore the phytochemical properties of Sargassum wightii. Methods: Phytochemical screening of the extracts was carried out according to the standard methods. To identify the functional constituents present in the crude extracts, the spectroscopic and chromatographic analysis were performed. Results: The different extracts of S. wightii showed the presence of steroids, alkaloids, phenolic compounds, saponins and flavonoids with varied degree. TLC profile of S. wightii demonstrated three distinct phenolic spots in the methanolic extract of S. wightii with different Rf values 0.172, 0.534 and 0.810. Steroids profile displayed only one distinct spot with the Rf value 0.068. HPLC fingerprint profile of chloroform extracts of S. wightii displayed one prominent peak at a retention time of 3.060 min out of nine compounds separated. Benzene extract of S. wightii displayed one prominent peak at a retention time of 2.637 min. The crude powder of S. wigthii was passed into the FTIR and it confirmed the presence of functional groups such as amides, phosphorus compound, alcohols, phenols and halogen compounds. Conclusions: The results of the present study confirmed that Sargassum wightii may be rich sources of phytoconstituents which can be isolated and further screened for various biological activities.

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