Bioactive Polyphenols from the Methanol Extract of Cnicus arvensis (L.) Roth Demonstrated Antinociceptive and Central Nervous System Depressant Activities in Mice

Table 1

Results of phytochemical screening of Cnicus arvensis extract.

Test for phytochemical group	Reagent	Extract of Cnicus arvensis
Reducing sugar	Fehling’s test	+
	Benedict’s test	+
Carbohydrate	Barfoed’s test	+
Alkaloid	Mayer’s test	+
	Dragendorff’s test	+
Steroid	Salkowski’s test	+
	Liebermann Burchard test	+
Tannin	Ferric chloride test	+
Gum	Molisch’s test	−
Flavonoid	Shinoda test	+
	Alkaline reagent test	+
Saponin	Frothing test	+

+ indicates presence and − indicates absence.