Wednesday, February 3, 2021

ANTIBACTERIAL ACTIVITY AND TOTAL PHENOL CONTENTS OF Sargassum polycystum EXTRACT AGAINST Escherichia coli AND Staphylococcus aureus | PLANT CELL BIOTECHNOLOGY AND MOLECULAR BIOLOGY

Objective and Context: Brown algae contain a number of chemical components (carotenoids, laminarin, alginate, fucoidan, mannitol and phlorotannin) that are used to treat various degenerative diseases as anti-cancer agents, antioxidants and chemo-preventive agents. One of the algae species belonging to the Phaeophyceae class, or brown algae, is Sargassum polycystum. Content of phenols in S. Polycystum may function as an anti-bacterial pathogen, particularly E. S. and coli. Bacteria with aureus. Therefore, the purpose of this study was to determine the total phenol and its antibacterial activity from the semi-polar to the polar extract.

Materials and methods: Maceration with 96 percent ethanol, acetone and ethyl acetate as the solvent was used in the extraction process. The total phenol content was measured using the foline ciocalteau reagent with a gallic acid standard UV VIS spectrophotometer. While the extract's antibacterial activity was performed with gram-negative E using the disc diffusion zone process. Gram-positive S and coli. Bacteria with aureus.

Results and Discussion: The results showed that the S. Phenol with a gross phenol content of 96 percent ethanol 3.75 mg EGA/g, ethyl acetate 5.78 mg EGA/g and acetone 4.04 mg EGA/g were found in polycystum extract. The 96 percent antibacterial activity of ethanol, ethyl acetate and acetone extracts was rated as high with a range of 10-13 mm inhibition zone diameter. The highest overall phenol content and antibacterial activity occurred with ethyl acetate extract.

Conclusion: The conclusion of this analysis is that ethyl acetate with the maximum total phenol content of 5.78 mg EGA/g is the most effective solvent for phenol attraction. This is a positive association with the findings of the ethyl acetate extract's antibacterial activity, which has a higher inhibition zone activity relative to other E extracts. S. and coli. Bacteria with aureus.

Please see the link :-
https://www.ikprress.org/index.php/PCBMB/article/view/5466

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