AnthraquinonesRubiaceaeEmodinRheumSenna ExtractMorindaSenna PlantRubiaSesamumCarmineRumexIridoidsCassiaMolecular StructureAnthracenesPlant ExtractsAloeClusiaceaePlant BarkRhamnaceaeHedyotisArachnidaMagnetic Resonance SpectroscopyPlants, MedicinalEurotiumSecondary MetabolismMitoxantroneIntercalating AgentsGlycosidesNaphthoquinonesScent GlandsSpectrophotometry, InfraredPlant RootsCatharticsPolygonumMutagenicity TestsEnediynesNaphthacenesPlant StemsColoring AgentsInhibitory Concentration 50CissusStructure-Activity RelationshipSpectrometry, Mass, Fast Atom Bombardment