Table 1.

Preliminary phytochemical screening of C. rotundus extracts

Constituents	90% MeOH ext	Pet-ether fr	EtOAc fr	n-BuOH fr
Flavonoids	+  +  +	+	+  +  +	+  +  +
Alkaloids	+  +	-	+	+  +
Tannins	+	-	+	+
Sterols	+  +  +	+  +  +	+	+
Terpenoids	+  +  +	+  +  +	+  +	+  +  +
Glycosides	+  +	+  +	+  +	+  +
Phenols	+  +  +	+	+  +  +	+  +  +
Saponins	+  +	+	+	+  +

(+ + +): high amount

(+ +): moderate amount

( +): small amount

(-): Absent