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. 2022 Jan 27;12:1537. doi: 10.1038/s41598-022-05568-2

Table 2.

Basic chemical structures and concentrations of W. somnifera roots methanolic extract bioactive constituents that positively influence the overall antioxidant activity of the extract.

Phytochemicals Chemical structures Concentrations
Alkaloids graphic file with name 41598_2022_5568_Figi_HTML.gif 0.27%
Flavonoids graphic file with name 41598_2022_5568_Figj_HTML.gif 67.57 ± 0.97
Phenols graphic file with name 41598_2022_5568_Figk_HTML.gif 91.09 ± 0.29
Tannins graphic file with name 41598_2022_5568_Figl_HTML.gif 35.27 ± 0.51

Concentration of alkaloids expressed as percent of dry weight; Concentrations of flavonoids, phenols, and tannins expressed as mean ± SEM microgram equivalents of respective standards per milligram of extract.