Investigation into the anti-radical activity of extracts obtained from Uncaria tomentosa Willd CD
2001
Sroka, Z. | Fecka, I. | Cisowski, W. (University of Medicine, Wroclaw (Poland). Dept. of Pharmacognosy) | Luczkiewicz, M. (Gdansk Medical University (Poland). Dept. of Pharmacognosy)
The root bark and pulverised extract (EA) originating from Uncaria tomentosa were used to obtain extracts which contained the full set 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 tested solution yielded decreases in DPPH radical concentration of 64.6 and 92.8 percent respectively
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