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The root bark and pulverised extract (EA) originating from Uncaria tomentosa were used to obtain extracts which contained the full set of of phenolic compounds. Tests of all of these extracts indicated powerful anti-radical activity. The strongest anti-radical effect was demonstrated for WMP extract (MeOH - water, 1:1) obtained from EA. Concentrations of 0.036 and 0.072 mg/ml of this extract in the...
From leaves and young stems of Caryopteris incana (Thunb.) Miq. eight phenolic acids were isolated: o-coumaric, p-coumaric, ferulic, caffeic, syringic, chlorogenic, gallic and ellagic. These compounds were identified by various chromatographic methods (PC, TLC, HPLC).
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