Metabolitos secundarios en los extractos secos de Passiflora incarnata L., Matricaria recutita L. y Morinda citrifolia L.

introduction: it is interesting to develop our own technology to work out and to set quality specifications for different solid formulations of passiflora incarnata l. ((passiflora), maricaria recutita l. (chamomile) and morinda citrifolia l. (noni) dry extracts. objectives: to conduct phytochemical studies on and to examine the quality control parameters of passiflora incarnata l. maricaria recutita l. and morinda citrifolia l. (noni) dry extracts. methods: for the phytochemical study based on thin layer chromatography, quick, simple and selective techniques were used, and minimal amount of equipment was employed for certain compounds. the analysis of the quality control parameters included the assays described in the branch standard of the ministry of public health known as nrsp 309. results: flavonoids, aminoacids, amines, sugars and oligosaccharides were found in the three dry extracts under study. antraquninone compounds and terpens were observed in the m. citrifolia extract whereas coumarins were present in the m. recutita leaf extract. conclusions: the results proved that the three extracts are within the set limits for their use as natural active principle.