Pharmacological Evaluation of the Bronchorelaxant Effect of Waltheria indica L. (Malvaceae) Extracts on Rat Trachea

Table 1

Preliminary phytochemical study results of Waltheria indica leafy stem extracts.

Plant part/extract
Phytochemical compound	Powdered leafy stems	Aqueous decoction	Hydroalcoholic extract
Flavonoids	+	+	+
Saponins	+	+	+
Alkaloids	+	+	+
Tannins	+	−	+
Steroids	+	−	+
Triterpenoids	+	−	+
Coumarins	+	−	+
Residual moisture content (%)	5.83 ± 0.02	n.d.	n.d.
Extract yield (%)		22.21 ± 0.08	14.54 ± 0.02

Abbreviations: (+) present; (−) absent; n.d.: not determined.