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. 2021 May 17;10(5):792. doi: 10.3390/antiox10050792

Table 5.

Antioxidant properties of the tested extracts.

Species Parts Methods DPPH ABTS CUPRAC FRAP MCA PDB
(mg TE/g) (mg EDTAE/g) mmol TE/g
J. curcas Leaves HAE 124.70 ± 0.43 a 149.12 ± 7.38 a 256.21 ± 2.10 a 97.03 ± 1.05 a 10.98 ± 1.38 a 2.57 ± 0.14 b
MAC 76.65 ± 0.95 b 107.81 ± 1.38 b 193.38 ± 0.66 b 70.39 ± 0.22 b 10.64 ± 0.81 a 2.27 ± 0.12 b
Stem bark HAE 6.89 ± 0.81 c 20.20 ± 1.18 c 24.90 ± 0.07 c 15.19 ± 0.47 c 5.28 ± 0.46 b 3.34 ± 0.35 a
MAC 7.00 ± 0.20 c 21.03 ± 1.33 c 21.07 ± 0.32 d 14.02 ± 0.18 c 3.21 ± 0.27 b 3.55 ± 0.16 a
J. gossypifolia Leaves HAE 123.88 ± 1.05 b 160.00 ± 1.62 b 265.79 ± 0.59 b 109.45 ± 1.43 c 17.51 ± 0.71 b 2.44 ± 0.11 a
MAC 124.29 ± 4.28 b 149.65 ± 1.22 c 245.10 ± 1.44 c 101.32 ± 0.83 d 18.98 ± 0.08 a 2.01 ± 0.17 b
Stem bark HAE 193.93 ± 0.23 a 255.39 ± 3.00 a 333.30 ± 5.32 a 168.93 ± 1.17 a 15.91 ± 0.15 c 2.12 ± 0.09 ab
MAC 48.14 ± 0.12 c 86.88 ± 0.96 d 243.59 ± 1.64 c 124.18 ± 1.38 b 13.67 ± 0.65 d 1.76 ± 0.18 b

Values are reported as mean ± SD. TE: Trolox equivalent; EDTAE: EDTA equivalent; MCA: metal chelating activity; MAC: maceration; HAE: homogenizer assisted extraction. Different letters in same column indicate significant differences in the tested extracts of each species (p < 0.05).