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. 2023 Sep 26;13:16065. doi: 10.1038/s41598-023-42025-0

Table 3.

Antioxidant activities of propolis nano-capsules bioactive compounds.

Items Antioxidant activity of propolis
Ethanol extract SCF-CO2 extract at 50 °C
Free extract Nano-capsules Free extract Nano-capsules
TPC (mgGA/G) 318.36 ± 3.8a 286.12 ± 3.2ab 395.22 ± 4.1b 381.86 ± 3.9ab
TFC (QE/G) 653.73 ± 6.8c 561.58 ± 7.1b 745.42 ± 8.4d 736.92 ± 8.0cd
RP (Abs) 0.624 ± 0.05b 0.692 ± 0.05c 0.472 ± 0.03a 0.484 ± 0.03ab
DPPH (%) 76.73 ± 2.8b 64.88 ± 2.6a 96.54 ± 3.1c 92.57 ± 2.9c
TAA (%) 85.092 ± 4.62ab 76.183 ± 4.31a 92.173 ± 5.02c 89.584 ± 4.81b

TPC total polyphenolic content, TFC total flavonoids content, SCF-CO2 super critical fluid-carbon dioxide, RP reducing power, TAA total antioxidant activity.

Different superscripts in the same column or row are significant differences at P ≤ 0.05 level.