Supercritical Fluid Extraction of Polyphenols from Vietnamese <i>Callisia fragrans</i> Leaves and Antioxidant Activity of the Extract

<div>Effect of extraction temperature (°C) on the (a) TPC (mg GAE/g) and (b) antioxidant activity (<i>μ</i>M TE/g) of the extract.</div>

Journal of Chemistry

Figure 3: Supercritical Fluid Extraction of Polyphenols from Vietnamese <i>Callisia fragrans</i> Leaves and Antioxidant Activity of the Extract 