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The purpose of the current study was a qualitative UHPLC-PDA-ESI-MS analysis of phenolic compounds in the aerial parts of  Cuphea ingrata , which led to detection of over sixty constituents: tannins, flavonoids, phenolic acids and their derivatives. The presence of oenothein B-type macrocyclic dimeric ellagitannins seems to be of particular importance. Quercetin sulfate, that has been previously identified as characteristic chemotaxonomic marker in  Cuphea carthagenensis , was found in  C. ingrata , as well.

UHPLC-PDA-ESI-MS profile of phenolic compounds in the aerial parts of Cuphea ingrata Cham. & Schltdl.