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The total phenolic content (TPC), total tannin content (TTC) and total flavonoid content (TFC) as well as the antioxidant activity and the cytotoxic effect of the extract from leaves of  Erythrochiton brasiliensis  Nees &amp; Mart. (Rutaceae) were evaluated. Raw material was collected in different European botanical gardens. Statistical analysis revealed a clear grouping of populations according to their climatic zone. The average TPC, TTC and TFC in tested samples were 35.92 (± 7.11) mg GAE·g –1  DW, 14.98 (± 4.08) mg PyE·g –1  DW and 2.92 (± 0.76) mg QuE·g –1  DW, respectively. The scavenged DPPH and Trolox equivalents determined by EPR spectroscopy were 1.23–4.14 and 0.50–1.44 mmol·g –1  of dry extract, respectively. Thirteen compounds (derivatives of bezoic acid acid and  trans -cinnammic acid) were identified in the samples. The flavonoid vitexin was also present as the major component in three investigated samples. The  in vitro  cytotoxicity test of the extract on Vero cells provided IC 50  and IC 10  values of 175.6 and 72.5 μg·mL –1 , respectively. Incubation of samples with HHV-1 infected Vero cells had no effect on the occurrence of cytopathic effect.

open chemistry

Chemical profile, antioxidant activity and cytotoxic effect of extract from leaves of  Erythrochiton brasiliensis  Nees &amp; Mart. from different regions of Europe