AnthraquinonesRubiaceaeEmodinRheumSenna ExtractMorindaSenna PlantRubiaSesamumCarmineRumexCassiaIridoidsAnthracenesMolecular StructureAloePlant ExtractsRhamnaceaeClusiaceaeHedyotisArachnidaPlant BarkMagnetic Resonance SpectroscopyPlants, MedicinalEurotiumSecondary MetabolismMitoxantroneIntercalating AgentsScent GlandsGlycosidesNaphthoquinonesSpectrophotometry, InfraredCatharticsMutagenicity TestsPlant RootsEnediynesPolygonumNaphthacenesColoring AgentsCissusPlant Stems