The Useful Medicinal Properties of the Root-Bark Extract of Alstonia boonei (Apocynaceae) May Be Connected to Antioxidant Activity

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td align="left">Extracts/fractions</td><td align="center">Yield (% w/w)</td><td align="center">Phytochemical constituents </td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left">Crude precipitate</td><td align="center">0.91a</td><td align="center">Steroids and triterpenes</td></tr><tr><td align="left">Ethylacetate fraction</td><td align="center">24.0b</td><td align="center">Alkaloids, saponins, flavonoids, tannins, glycosides, and resins</td></tr><tr><td align="left">Acetone fraction</td><td align="center">20.0b</td><td align="center">Saponins, flavonoids, tannins, and glycosides</td></tr><tr><td align="left">Methanol fraction</td><td align="center">50.0b</td><td align="center">Alkaloids, saponins, flavonoids, tanins, and glycosides </td></tr><tr><td align="left">Compound 1</td><td align="center">13.07b</td><td align="center">Triterpenoid</td></tr><tr><td align="left">Compound 2</td><td align="center">1.2b</td><td align="center">Triterpenoid</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td> aYield calculated from 350 g of powdered root-bark. 
									bYield calculated from 5 g of methanol extract. </td></tr></table>

Phytochemical constituents and yields of crude precipitate, fractions, and compounds. 

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Table 1

Table 1: The Useful Medicinal Properties of the Root-Bark Extract of Alstonia boonei (Apocynaceae) May Be Connected to Antioxidant Activity