Table 1 Phytochemical constituents of Withania somnifera roots methanol extract.

From: Sodium–calcium exchanger isoform-3 targeted Withania somnifera (L.) Dunal therapeutic intervention ameliorates cognition in the 5xFAD mouse model of Alzheimer’s disease

Phytochemicals

Test

Methanol extract

Alkaloids

Wagner’s test

 + 

Flavonoids

Bate-Smith and Metcalf test

+

Glycosides

Borntrager’s test

−

Phenols

Lead acetate test

+

Tannins

Braemer’s test

+

Terpenoids

Salkowski’s test

−

Phytosterols

Liebermann–Burchard’s test

−

Saponins

Foam test

+

  1. ‘+’ indicates presence; ‘−’ indicates absence; ‘colors’ indicate the precipitate simulation color for presentness; ‘*’ indicates reactions within 5 min; ‘**’ reactions in 5–20 min; ‘***’ no-reaction up to 24 h.
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