Pharmacognostic characterization of leaves and stem barks of Eugenia brasiliensis Lam. (Myrtaceae)
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https://doi.org/10.70151/xgykj872Keywords:
Eugenia brasiliensis Lam., Myrtaceae, botanical characterization, chromatographic analysisAbstract
Eugenia brasiliensis Lam. (Myrtaceae) the "brazilian cherry" is a folk brazilian medicine used in gastrointestinal disorders and in rheumatism. The close resemblance among the Myrtaceae, in particular, of the Eugenia genus render necessary to characterize the drug in order to identify it. Macro and microscopical analysis of the leaves and the stem barks, which are the used parts, followed the classical techniques. Some characters of diagnostical value are pointed out and illustrated by photographs and photomicrographs. The thin layer chromatographic analysis of the hydroethanolic extract (30:70) complemented the morphological characterization. Flavonoid and terpene components were detected and better separated, respectively, with the solvent systems (a) chloroform-acetic acid-methanol-water (60:32:12:8) and (b) chloroform. Those chromatographic systems allowed also to differentiate the plant organs. The combined analysis showed to be of value for identification of the drug and are of easy execution.
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