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Table 1 Results of preliminary phytochemical screening of Dissotis rotundifolia leaves.

From: Antidiarrhoea and toxicological evaluation of the leaf extract of Dissotis rotundifolia triana (Melastomataceae)

Secondary metabolites

 

Alkaloids

 

Dragendorff's reagent

+

Wagner's reagent

+

Mayer's reagent

+

1% picric acid reagent

+

Anthracene derivatives

 

Combined anthraquinones

-

Free anthraquinones

-

Tannins

 

Phenazone test

+

Iron complex test

+

Formaldehyde test

+

Modified iron complex test

+

Saponin glycosides

 

Frothing test

+

Haemolysis test

+

Cardiac glycosides

 

Keller killiani test

+

Lieberman's test

+

Legal test

+

Kedde test

+

Cyanogenetic glycosides

 

Sodium picrate test paper

-

  1. Key:
  2. - = absent; + = present