Nano-formulation of herbo-mineral alternative medicine from linga chenduram and evaluation of antiviral efficacy
Traditional medicine is becoming a primary source of health care in many countries in recent years. The current study proposes a new dimension of understanding a traditional origin treatment, using herbomineral preparations in nanoform. The herbo-mineral preparation, Linga chenduram [HMLC], was prepared according to the ancient palm script protocol dates back to 1000 years. In search of alternative therapy for the coronavirus, an attempt was made to determine this ethnic medicine formulation’s therapeutic potential for viral hepatitis infection. The Hepatitis C virus [HCV] has several genomic similarities with SARS-CoV-2 viruses. The herbo-mineral formulation (HMLC) were analyzed using UV–vis, EDAX, FTIR, XRD, SEM, and TEM studies. SEM images confirmed the ’ presence of nanoparticles with agglomerated conditions having an average grain size of 18 to 25 nm. EDAX studies showed the presence of metallic components in oxide or sulfide form in HMLC. The HCV inhibitory effects of HMLC indicated a good response. The cytotoxicity of this preparation against the Huh-7 human hepatoma cell line was significant. The HMLC showed a strong inhibitory effect on HCV replication in a dose-dependent manner. The genomic component of HCV is similar to COVID 19 virus. The Hepatitis C virus (HCV) NS3/4A protease has a striking three-dimensional structural similarity to the SARS-CoV2 Mpro protease, particularly in the arrangement of key active site residues. So HMLC can be tried to treat coronavirus infection. At higher concentrations, HMLC exhibited over 100-fold inhibition. In the MTT assay, HMLC did not show any apparent cytotoxic effect on cell viability at the concentrations 1–100 mg. Histological studies indicated that the liver and kidney did not experience any toxicity by 7 and 15 consecutive days of administration of HMLC on experimental Wistar rats. Hence, the HMLC can be tried as a therapy for COVID 19 infections using the preparations strictly according to ethnopharmacological protocol and optimum doses.
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