Table 1. Phytochemical Screening of the Crude Extract of R. Purpurea^a.

phytochemicals	chemical tests	results
alkaloids	Mayer’s reagent test	+
	Hager’s test	+
saponins	Foam test	+
tannins	alkaline reagent test	+
glycosides	Keller Killiani test	+
phenols	Ellagic acid test	+
carbohydrates	Benedict’s test	N
proteins	Xanthoproteic test	N
flavonoids	general test	+

^aAbbreviations: + sign, present; N, not indicated.