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. 2010 Summer;9(3):279–285.

Table 3.

Phytochemical screening of Pogostemon parviflorus leaf extracts

Name of the test carried out Reagents used End result
A. Water extract
Starch I2-KI +
Tannins Acidic FeCl3 +
Saponins H2SO4 + Acetic unhydride +
Proteins Millon’s test +
Anthraquinones + Benzene
10% NH4OH
-
Reducing sugars Benedict’s +
B. Alcoholic extract
Alkaloids Mayer’s -
Wagner’s -
Dragendorff’s -
Flavonoids HCl + Mg turnings -
Glycosides Benzene+hot ethanol -