pISSN 1225-7117 eISSN 2288-8268

Antioxidant activity, total polyphenol contents (TPC), and total flavonoid contents (TFC) of several extracts from Q. acuta Thunb. leaf and branch

Sample DPPH IC50 (μg/mL) ABTS IC50 (μg/mL) TPC (GAE mg/g) TFC (QUE mg/g)
QAL1 409.90 ± 2.84f 247.86 ± 1.74g 97.85 ± 0.25f 14.69 ± 0.52f
QAL2 286.65 ± 0.99c 163.63 ± 2.53e 112.90 ± 0.25d 17.02 ± 0.30e
QAL3 255.30 ± 2.04b 132.91 ± 4.68c 140.61 ± 0.22b 32.49 ± 0.52c
QAB1 340.70 ±2.57e 199.31 ± 0.81f 120.93 ± 0.76e 22.11 ± 0.30d
QAB2 296.59 ±3.54d 150.60 ± 1.89d 122.49 ± 0.56c 35.88 ± 0.30b
QAB3 250.34 ± 2.64b 117.54 ± 5.72b 159.99 ± 0.97a 56.87 ± 0.60a
Gallic acid 30.83 ± 0.45a - - -
Quercetin - 26.24 ± 0.95a - -

The statistical analysis of each group was performed through Duncan's multiple range test in SPSS 26 program. “a-g” was used to distinguish the statistical significance of each data. p-value < 0.05.

Korean Society for Biotechnology and Bioengineering Journal 2024;39:25~33 https://doi.org/10.7841/ksbbj.2024.39.1.25
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