Table 4-A. Preliminary qualitative phytochemical tests results from the ethanol extracts and fractions of plants inhibiting the in vitro PBMCs proliferation

Plants	Piper betle				Cassia alata				Wedelia chinensis
Phytochemicals	EtOH	CL	EA	H2O	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