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Inhibitory activity of dry ethanol extracts of Artemisia spp. on SARS‐CoV‐2 replication in vitro

Ûg Rossii: èkologiâ, razvitie, 2022-12, Vol.17 (4), p.111-129 [Peer Reviewed Journal]

ISSN: 1992-1098 ;EISSN: 2413-0958 ;DOI: 10.18470/1992-1098-2022-4-111-129

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  • Title:
    Inhibitory activity of dry ethanol extracts of Artemisia spp. on SARS‐CoV‐2 replication in vitro
  • Author: Каzachinskaia, Е. I. ; Romanova, V. D. ; Ivanоva, A. V. ; Chepurnov, А. А. ; Murtazalieva, Z. A. ; Коnonova, Yu. V. ; Shaulo, D. N. ; Romanyuk, V. V. ; Shestopalov, А. М.
  • Subjects: sars‐cov‐2 ; ингибирующая активность ; растительные препараты
  • Is Part Of: Ûg Rossii: èkologiâ, razvitie, 2022-12, Vol.17 (4), p.111-129
  • Description: Aim. In vitro analysis of the inhibitory activity of dry ethanol extracts of some Artemisia spp. growing in the Novosibirsk region for SARS‐CoV‐2 replication. Materials and Methods. The laboratory strain SARS‐CoV‐2/human/RUS/Nsk‐FRCFTM‐1/2020 was passed on Vero cell culture. Dry ethanol extracts of plant parts (stems, flowers, leaves) of six types of Artemisia were prepared. The types used were: A. vulgaris L.; A. glauca (Pall. Ex Willd.); A. dracunculus L. (from three growth locations); A. absinthium L.; A. frigida Willd.; and A. sieversiana Ehrh. ex Willd. Dry extracts were dissolved in DMSO. In vitro analysis of the inhibitory activity of extracts against SARS‐CoV‐2 (an infectious titer of 10 3 TCID 50 /ml) replication was performed in a Vero E6 cell culture. To do this, the method of direct inactivation (neutralization) of virions, as well as schemes of “preventive” and “therapeutic” of cells, were used. Comparison samples were dry ethanol extracts of Inonotus obliquus , Syzygium aromaticum L. and Camellia sinensis L. Results. Extracts of leaves of Artemisia spp. proved to be most effective in direct inactivation of virions. By equal and decreasing activity these are the species: A. vulgaris ; A. dracunculus *; A. absinthium ; A. dracunculus ***; A. dracunculus **; A. frigid а ; A. glauca ; and A. sieversiana with a 50% effective concentration of range 1.10±0.24 – 11.72±2.89 μg/ml. Extracts of flowers of A. vulgaris , A.glauca , A. dracunculus *, A. dracunculus **, A. dracunculus ***, A. frigida and A. sieversiana also contain biologically active substances which act both destructively on virions and after the virus has entered cells. For extracts of stems consistently high values of EC 50 were found for A. glauca (6.84±1.35; 7.81±2.00 and 14.06±3.06 μg/ml) according to the results of three experimental schemes. Conclusion. The results obtained can become the basis for the development of inexpensive domestic drugs for the treatment and/or prevention of COVID‐19.
  • Publisher: Kamerton
  • Language: English;Russian
  • Identifier: ISSN: 1992-1098
    EISSN: 2413-0958
    DOI: 10.18470/1992-1098-2022-4-111-129
  • Source: DOAJ Directory of Open Access Journals
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