Chemical profiling and antioxidant activity of Equisetum ramosissimum Desf. stem extract, a potential traditional medicinal plant for urinary tract infections

Future Journal of Pharmaceutical Sciences

Table 1 Qualitative phytochemical screening of E. ramosissimum stem extracts

Phytochemicals tested	Petroleum ether	Chloroform	Ethyl acetate	Methanol	Aqueous
Steroids	+	+	−	++	++
Triterpenoids	−	++	−	+	−
Alkaloids	+	−	+	+++	−
Phenolic compounds	++	+	+	+++	++
Flavonoids	+	+	−	+++	++
Saponins	−	−	+	+	+
Tannins	+	+	−	++	+++

The symbols +++, ++, +, and − refer to appreciable, moderate, trace amounts, and absence of secondary metabolites, respectively, in the tested solvent extracts