Comparison of Ethanolic and Aqueous-Polyethylenglycolic Propolis Extracts: Chemical Composition and Antioxidant Properties

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Method</td><td class="align_center" colspan="2">Antioxidant activity <i>in vitro µ</i>mol (TE/g)</td></tr><tr class="thead"><td class="align_center">AQUA-PEG</td><td class="align_center">EEP</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">ABTS</td><td class="align_center">66.0 ± 1.8</td><td class="align_center">64.6 ± 3.0</td></tr><tr><td class="align_left">CUPRAC</td><td class="align_center">56.9 ± 3.4</td><td class="align_center">57.8 ± 1.2</td></tr><tr><td class="align_left">DPPH</td><td class="align_center">107.1 ± 10.1</td><td class="align_center">1299.5 ± 43.9</td></tr><tr><td class="align_left">FRAP</td><td class="align_center">10.7 ± 1.2</td><td class="align_center">21.3 ± 4.2</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Antioxidant activity <i>in vitro</i> of propolis extracts.</div>

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Table 4

Table 4: Comparison of Ethanolic and Aqueous-Polyethylenglycolic Propolis Extracts: Chemical Composition and Antioxidant Properties 