Physicochemical Characterization of Grewia ferruginea Hochst. ex A. Rich Mucilage for Potential Use as a Pharmaceutical Excipient

Table 4

Phytochemical confirmation tests on the isolated mucilage of the Grewia ferruginea bark.

Phytochemicals	Test	Results
Alkaloids	Wagner’s test and Mayer’s test	--
Steroids	Salkowski’s test	++
Flavonoids	Alkaline reagent test (reaction with NaOH)	--
Tannins	Ferric chloride test	++
Saponins	Foam test	--

-- represents the absence and ++ represents the presence of the phytochemicals.