Chemical group categories | Metabolites | Reagents | Color | Results |
---|---|---|---|---|
Polar chemical groups | Tannin catechins | Iron perchloride | Dark green | + |
Tannin gallic | Iron perchloride | Blue-green | + | |
Flavonoids | Chloridic acid + magnesium chips | Red or yellow | + | |
Apolar chemical groups | Anthocyans | Chloridic acid + ammoniac | Purplish blue | − |
Leuco-anthocyanins | Shinoda's reagent | Cherry red or purplis | − | |
Alkaloids | Dragendorff reagent | Orange precipitate | − | |
Mucilages | Alcohol | Flaky precipitate | + | |
Reducing compounds | Fehling's reagent | Brick red precipitate | − | |
Sterol-terpenes | Liebermann's reaction | Purple or violet ring | + | |
Saponosides | Distilled water | Persistent moss | − |