| In vitro: |
| Arch Pharm Res . 2015;38(5):677-82. | | Compounds from the aerial parts of Piper bavinum and their anti-cholinesterase activity[Pubmed: 25005067] | | A new alkenylphenol, bavinol A (1), together with six known compounds (2-7) were isolated from the aerial parts of Piper bavinum (Piperaceae). The chemical structures of these compounds were determined by spectroscopic analyses including 2D NMR spectroscopy. The anti-Alzheimer effects of compounds 1-7 were evaluated from acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) inhibitory activity assays. Bavinol A (1), ampelopsin (3), and violanthin (4) exhibited AChE inhibitory activities with IC50 values of 29.80, 59.47 and 79.80 μM. Compound 1 also showed the most potent BChE inhibitory activity with an IC50 value of 19.25 μM. | | Front Mol Biosci., 2020 Dec 23;7:613401 | | Molecular Docking Studies on the Anti-viral Effects of Compounds From Kabasura Kudineer on SARS-CoV-2 3CL pro[Pubmed: 33425994] | | The COVID-19 has now been declared a global pandemic by the World Health Organization. No approved drug is currently available; therefore, an urgent need has been developed for any antiviral therapy for COVID-19. Main protease 3CLpro of this novel Coronavirus (SARS-CoV-2) play a critical role in the disease propagation, and hence represent a crucial target for the drug discovery. Herein, we have applied a bioinformatics approach for drug repurposing to identify the possible potent inhibitors of SARS-CoV-2 main proteases 3CLpro (6LU7). In search of the anti-COVID-19 compound, we selected 145 phyto-compounds from Kabasura kudineer (KK), a poly-herbal formulation recommended by AYUSH for COVID-19 which are effective against fever, cough, sore throat, shortness of breath (similar to SARS-CoV2-like symptoms). The present study aims to identify molecules from natural products which may inhibit COVID-19 by acting on the main protease (3CLpro). Obtained results by molecular docking showed that Acetoside (-153.06), Luteolin 7 -rutinoside (-134.6) rutin (-133.06), Chebulagic acid (-124.3), Syrigaresinol (-120.03), Acanthoside (-122.21), Violanthin (-114.9), Andrographidine C (-101.8), myricetin (-99.96), Gingerenone -A (-93.9), Tinosporinone (-83.42), Geraniol (-62.87), Nootkatone (-62.4), Asarianin (-79.94), and Gamma sitosterol (-81.94) are main compounds from KK plants which may inhibit COVID-19 giving the better energy score compared to synthetic drugs. Based on the binding energy score, we suggest that these compounds can be tested against Coronavirus and used to develop effective antiviral drugs. |
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