Lectures Polysaccharides Lipids Vitamins Organic acids Terpenoids. Iridoids Essential oils – general part Essential oils – monoterpenoids Essential oils – sesquiterpenoids Essential oils – aromatic compounds Saponins Cardiac glycosides Simple phenols. Lignans. Xanthones Coumarins. Chromones Flavonoids – general part Flavonoids-plants Anthraquinones Tannins Alkaloids1 Alkaloids2 Alkaloids3 Animal-derived Products KROK-2 Polysaccharides, Lipids, Vitamins KROK-2 Iridoids, Essential oils, Cardiac glycosides, Saponins KROK-2 Phenolic compounds KROK-2 Alkaloids