Supercritical Fluid Extraction of Polyphenols from Vietnamese Callisia fragrans Leaves and Antioxidant Activity of the Extract

Table 1

Comparison of the TPC and antioxidant activity of the extracts obtained by the SC-CO₂ and SE method.

The extract	TPC (mg GAE/g)	Antioxidant activity (μM TE/g)
SC-CO2 extract	87.42 ± 1.33	243.83 ± 5.30
SE extract	85.34 ± 4.27	236.33 ± 7.66