Table 2. Qualitative screening of phytochemicals in Mao residue extracts obtained using different solvents

Variable	Extraction solvent
	Distilled water	50% ethanol	95% ethanol
Alkaloids	+	+	+
Anthraquinones	–	–	–
Flavonoids	–	+	+
Coumarins	+	+	+
Tannins	–	–	+
Phlobatannins	–	–	–
Saponins	–	–	+
Terpenoids	–	–	–
Steroids	–	–	–
Glycosides	–	–	+

Note: + Presence, – Absence.