Parameters

Observations

Inference

Alkaloid

Reddish brown ppt formed

++

Flavonoids

Formation of ppt

++

Tannin

Formation red brown ppt

+

Saponnin

Formation of light emulsion

+

Gardiac glycoside

Formation of brick red ppt

++

Steroid

Emulsion formed

++

Phenolic

Green-brown ppt

++

Resin

No colour change

+

Terpenoids

Slight reddish brown ppt form

+