Chemical Groups

Stainning

Catechic tannins

+

Gallic tannins

+

Flavonoids

+

Leuco-Anthocyanins

+

Anthocyanins

Alkaloids

+

Reducing compounds

Mucilages

+

Saponosides

+

Cyanogenic derivatives

Triterpenes

Steroids

Coumarins

Quinone derivatives

Free antracenes

C-Geosides

O-Heterosides

Cardiotonic derivatives