l target–NS3 protease (Gonzalez et al. 2009;Curcuma longa L. (Haridra)C. longa is amongst the most commonly utilized drug in Ayurveda, a frequent spice (Thimmulappa et al. 2021) and colouring agent (Ou et al. 2013). Curcumin, one of many primary active principle of C. longa (Li et al. 2019), is reported to inhibit NF-B activation post exposure of several inflammatory stimuli in 117 randomized control trials. There was a important reduction in TNF-, IL-6, TGF- and MCP-1 following curcumin supplementation (Panahi et al. 2016). Curcumin inhibits mitogen-stimulated lymphocyte proliferation, IL-2 synthesis/signaling and NF-kB (IL-2 promoter transcription element) activation (Ranjan et al. 2004). In addition, the macrophage phagocytic activity is also improved by curcumin (Antony et al. 1999). A study exhibited that nanoparticulate curcumin stimulated higher early cell-mediated and humoral immune response with comparable final results in secondary humoral antibody titres.Environ Sci Pollut Res (2021) 28:55925Shirole et al. 2015). Additional, in a study, ethyl acetate extract of fruits of E. ribes has shown really promising antiviral activity against influenza virus A/34 (H1N1), with an IC50 of 0.2 g/ mL; also, the study revealed that embelin was most helpful when added at early stages in the viral life cycle (0 h postinfection), as well as, it was located successful against avian influenza virus A/84 (H5N2) (Bachmetov et al. 2012). A study has reported that pre-treatment with embelin (5, 10 and 20 mg/kg, i.p.) decreased lung oedema, mononucleated PDGFRα Purity & Documentation cellular infiltration, nitrate/nitrite, total protein, albumin concentrations, TNF- in the bronchoalveolar lavage fluid and myeloperoxidase activity in lung homogenate. Embelin markedly prevented pO2 down-regulation and pCO2 augmentation. In addition, it attenuated lung histopathological adjustments in acute respiratory distress syndrome model, thus exhibiting lung guarding property and anti-inflammatory activity in lung cell. therefore might be a promising herb in preventing lung damage like complications in COVID-19 (Hossan et al. 2018). A current computational study reports the part of embelin to inhibit the SARS-CoV-2 Mpro protease additional especially because of formation of a covalent bond among S (Cys145) and an embelin C (carbonyl). That is additional assisted by two protein amino acids N (imidazole-His41) that are in a position to capture H[S(Cys145)] and HN(His163), which donate a proton to embelin O(carbonyl) forming an OH moiety. This outcomes in inhibition of your viral protease (Caruso et al. 2020). Ayurvedic literature mostly counts the fruits of E. ribes for its impact as antibacterial, antiprotozoal, analgesic, anti-inflammatory, antioxidant and remedy for abdominal issues and lung fungus infections (Dwivedi et al. 2019). This drug has been reported for the treatment of influenza in 1919 (Menon 1919). Respiratory distress is amongst the key symptoms identified for the duration of the second surge of SARS-CoV-2 in India. E. ribes also possesses anti-inflammatory and protective impact against LPS-induced airway inflammation by minimizing nitrosative tension, physiological parameters of blood gas alter, TNF and mononucleated cellular infiltration, TLR6 Compound indicating it as a possible therapeutic agent for acute respiratory distress syndrome (Shirole et al. 2015). The drug can be repurposed for the respiratory distress happening in SARS-CoV-2. Potassium embelate, 2,5-dihydroxy, 3-undecyl-1, 4-benzoquinone, derived from E. ribes was tested for subacute, chron