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What is phytochemical screening?
Phytochemical screening - is a process of tracing plant constituents. For example you want to found out if a certain plant contains alkaloids (a plant constituent) then, y…ou will be performing a phytochemical screening procedures for alkaloids (in this case mayer's and Wagner's test). There are general plant constituents that can be performed with a standard test. And these are screenig for: Alkaloids Saponin glycosides Cardenolides and Bufadionolides Flavonoids Tannins and Polyphenolic compounds Anthraquinones Cyanogenic glycosides Carbohydrates Fixed oils, Fats, and Volatile oils. (MORE)