level: PLANT CONSTITUENTS - SPRAY REAGENTS - RESULT
Questions and Answers List
level questions: PLANT CONSTITUENTS - SPRAY REAGENTS - RESULT
Question | Answer |
---|---|
FLAVONOIDS STEROIDS | ANTIMONY (III) CHLORIDE FLUORESCENCE, UV |
PHENOLS TANNINS FLAVONOIDS | POTASSIUM FERRICYANIDE-FERRIC CHLORIDE BLUE SPOTS |
STEROLS SAPONINS | ACETIC ANHYDRIDE-SULFURIC ACID DARK SPOTS OR FLUORESCENCE |
ALKALOIDS | DRAGENDORFF'S REAGENT ORANGE SPOTS |
CARDENOLIDES | 3,5-DINITROBENZOIC ACID BLUE-VIOLET SPOTS |
COUMARINS ANTHRANOIDS PHENOLS | MENTHANOLIC POTASSIUM HYDROXIDE FLUORESCENCE |
ANTHRAQUINONES | MAGNESIUM ACETATE ORANGE-VIOLET COLOR |
INDOLES | VAN URK-SALKOWSKI TEST BLUE-VIOLET SPOTS |
HIGHER ALCOHOLS PHENOLS STEROIDS ESSENTIAL OILS | VANILLIN-SULFURIC ACID COLORED SPOTS |
SUGARS | a-NAPTHOL-SULFURIC ACID BLUE SPOTS |