Compound group

Metabolites

Characterization

Polyphenolic compounds

Flavonoids

Gallic tannins

Catechin tannins

Anthocyanins

Leuco-anthocyane

Coumarin

+

−

+

+

+

−

Terpene compound

Steroids

Triterpenoids

+

+

Nitrogen compound

Alkaloids

+

Heterosides

Saponosides

Cyanogenic derivatives

Reducing compounds

Anthraquinones

Mucilages

−

−

+

+

−