Introduction: Antihypertensive drugs that are chemically synthesized usually tend to initiate different health complications. The quest for bioactive molecules to create novel medicines has focused on Marine resources like seaweeds. These molecules can furnish a positive probability for patients to gain benefits from these natural substances.
Methods: This study aims to identify phytoconstituents present in brown seaweed-Padina boergesenii. Five different solvents were used to prepare extracts and their antioxidant activity as well as antihypertensive activity was evaluated. Phytoconstituents were identified using LC-MS/MS, and subjected to molecular interaction against ACE enzyme.
Results: The 70% ethanolic extract exhibited the highest total phenolic content (TPC), significant radical scavenging activity and concentration dependent Angiotensin Converting Enzyme (ACE) inhibition activity. LC-MS/MS analysis confirmed the presence of bioactive compounds from which 7,8 dihydroxycoumarin had the highest affinity against ACE enzyme in molecular docking study.
Conclusion: These findings advocate that Padina boergesenii can be a potential source for developing novel antihypertensive therapeutic drug(s) and could pave the way for evolving effective and safe remedies from natural resources.
Keywords: ACE inhibition; Antioxidant activity; LC-MS/MS; Molecular Docking; Seaweed; TPC-TFC.
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