Determination of Oleanolic and Ursolic Acids in <i>Hedyotis diffusa</i> Using Hyphenated Ultrasound-Assisted Supercritical Carbon Dioxide Extraction and Chromatography

<div class="floats-full-page floats-full-page-figure"><h2>Figure 2</h2><div class="floats-full-page-caption"><div>HPLC chromatograms of the standard solution (a), an extract obtained using HRE (b), and an extract obtained using HSC–CO<sub>2</sub> extraction (c).</div></div><div class="floats-full-page-content"><table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-01.hindawi.com/articles/ecam/volume-2015/450547/figures/450547.fig.002a.svgz" name="450547.fig.002a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b></td></tr><tr class="fig-image" id="b"><td><object data="https://static-01.hindawi.com/articles/ecam/volume-2015/450547/figures/450547.fig.002b.svgz" name="450547.fig.002b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b></td></tr><tr class="fig-image" id="c"><td><object data="https://static-01.hindawi.com/articles/ecam/volume-2015/450547/figures/450547.fig.002c.svgz" name="450547.fig.002c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b></td></tr></table></div></div>

Figure 2 | Determination of Oleanolic and Ursolic Acids in <i>Hedyotis diffusa</i> Using Hyphenated Ultrasound-Assisted Supercritical Carbon Dioxide Extraction and Chromatography

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Figure 2: Determination of Oleanolic and Ursolic Acids in <i>Hedyotis diffusa</i> Using Hyphenated Ultrasound-Assisted Supercritical Carbon Dioxide Extraction and Chromatography

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Figure 2 | Determination of Oleanolic and Ursolic Acids in Hedyotis diffusa Using Hyphenated Ultrasound-Assisted Supercritical Carbon Dioxide Extraction and Chromatography

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<p><em>Evidence-Based Complementary and Alternative Medicine</em> seeks to apply scientific rigor to the study of complementary and alternative medicine, emphasizing on health outcome, while documenting biological mechanisms of action.</p>


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