Table 3. Preliminary qualitative phytochemical tests results from the ethanol extracts and fractions of plants stimulating the in vitro PBMCs proliferation

Plants	Astragalus membranaceus				Glycyrrhiza glabra
Phytochemicals	EtOH	CL	EA	H2O	EtOH	CL	EA	H2O
Tritepenoids	+	+	-	-	+	+	-	-
Alkaloids	-	-	-	-	-	-	-	-
Anthranoids	-	-	-	-	+	+	+	+
Flavonoids	+	-	+	-	+	+	-	-
Total phenolic	+	+	+	+	+	+	+	+
Saponins	++++	-	+	-	+++	+	+	-
Reducing sugars	+++	-	+	+	++	+	+	-

EtOH: ethanol extract; CL: chloroform extract; EA: ethyl acetate extract; H₂O: water extract; (-): negative reaction; (+): positive reaction