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<p><i>Hibiscus rosa-sinensis</i> has an infinite resource of phytochemicals and emerged as a solution for different health-related issues, such as anti-diabetic, anti-microbial, and wound healing activity, as proved in past clinical studies. COVID-19 remains an ongoing concern, and the struggle to discover effective treatment measures for SARS-CoV-2 has led to a global health catastrophe. The COVID-19 pandemic has exhibited a wave-like progression, encompassing first, second, and third waves, with potential for future resurgences. To effectively halt the transmission of SARS-CoV-2, identifying and targeting a key viral component is critical. One such promising candidate is the 3-chymotrypsin-like protease (3CL<sup>pro</sup>), also known as the main protease (M<sup>pro</sup>). This study aims to investigate the phytochemicals identified in <i>Hibiscus rosa-sinensis</i> flowers for their potential anti-SARS-CoV-2 properties, targeting the 3CL<sup>pro</sup>, which regulates virus replication and associated pathogenesis. The present research protocol includes molecular docking of 34 phytochemicals identified from the <i>Hibiscus rosa-sinensis</i> flower and targeted against the active site of the 3CL<sup>pro</sup>. Computational analysis revealed that the top 3 ligands: cyanidin-3-sophoroside-5-glucoside (−&#xa0;10.9&#xa0;kcal/mol), 1,2-benzenedicarboxylic acidisodecyl octyl ester (−&#xa0;10.1&#xa0;kcal/mol), and rutin (−&#xa0;9.3&#xa0;kcal/mol) had better binding affinity to 3CL<sup>pro</sup> as compared to the control inhibitor remdesivir (−&#xa0;8&#xa0;kcal/mol). Further investigation of ligand–protein interaction, physiochemical, ADMET profile, and drug-likeness parameters showed that cyanidin-3-sophoroside-5-glucoside possessed promising properties, indicating its potential as a viable drug candidate against COVID-19.</p>

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An in silico study on phytochemicals from Hibiscus rosa-sinensis as potential inhibitors of SARS-CoV-2 3CLpro

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年10月10日

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  • Subhadeep Das,
  • Sagarika Satapathy,
  • Sushil Kumar Sahu,
  • Pritismita Mahalik,
  • Diptikanta Acharya

摘要

Hibiscus rosa-sinensis has an infinite resource of phytochemicals and emerged as a solution for different health-related issues, such as anti-diabetic, anti-microbial, and wound healing activity, as proved in past clinical studies. COVID-19 remains an ongoing concern, and the struggle to discover effective treatment measures for SARS-CoV-2 has led to a global health catastrophe. The COVID-19 pandemic has exhibited a wave-like progression, encompassing first, second, and third waves, with potential for future resurgences. To effectively halt the transmission of SARS-CoV-2, identifying and targeting a key viral component is critical. One such promising candidate is the 3-chymotrypsin-like protease (3CLpro), also known as the main protease (Mpro). This study aims to investigate the phytochemicals identified in Hibiscus rosa-sinensis flowers for their potential anti-SARS-CoV-2 properties, targeting the 3CLpro, which regulates virus replication and associated pathogenesis. The present research protocol includes molecular docking of 34 phytochemicals identified from the Hibiscus rosa-sinensis flower and targeted against the active site of the 3CLpro. Computational analysis revealed that the top 3 ligands: cyanidin-3-sophoroside-5-glucoside (− 10.9 kcal/mol), 1,2-benzenedicarboxylic acidisodecyl octyl ester (− 10.1 kcal/mol), and rutin (− 9.3 kcal/mol) had better binding affinity to 3CLpro as compared to the control inhibitor remdesivir (− 8 kcal/mol). Further investigation of ligand–protein interaction, physiochemical, ADMET profile, and drug-likeness parameters showed that cyanidin-3-sophoroside-5-glucoside possessed promising properties, indicating its potential as a viable drug candidate against COVID-19.