Figure 1.

Chemical and functional characterization of the extracts obtained by PLE. (A) Graphical representation of global yield of the aqueous and ethanolic extracts of mango leaf, olive leaf, and red grape pomace expressed as g/100 g dry extract (%). (B) Total phenolic content expressed as g/100 g dry extract. (C) Antioxidant activity represented by the efficient concentration (EC₅₀) (µg/mL). (D) Antioxidant activity index (AAI) (µg DPPH/µg extract). Values are represented as the mean ± SD. *** p-value < 0.001.