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. 2016 Aug 26;16(1):315. doi: 10.1186/s12906-016-1263-1

Table 1.

Radical scavenging potential of different barks extracts of Syzygium guineense var macrocapum

Sample Concentration (μg/mL) SGF H2O SGF EtOH SGF H2O/EtOH VIT C
A 25 59.52 ± 0.56c 66.27 ± 0.95b 55.21 ± 1.28bc 74.43 ± 1.79e
75 69.74 ± 0.16c 78.83 ± 0.95d 67.95 ± 1.36c 85.83 ± 0.66e
150 79.30 ± 0.68c 82.45 ± 1.25c 79.84 ± 0.37c 88.45 ± 0.62d
200 84.45 ± 0.61a 86.24 ± 4.73a 82.74 ± 0.14a 93.18 ± 2.58b
300 93.57 ± 1.68b 94.40 ± 0.13b 88.82 ± 1.78c 98.31 ± 0.27d
IC50 (μg/mL) 2.585 2.321 2.692 2.01
B 25 19.95 ± 1.61d 15.18 ± 0.80a 23.19 ± 0.66d 24.00 ± 1.22a
75 36.47 ± 1.11c 39.10 ± 0.93c 26.54 ± 1.80e 64.91 ± 3.46b
150 78.34 ± 0.71b 53.01 ± 0.36c 34.56 ± 1.94e 90.81 ± 2.40cde
200 91.35 ± 0.15c 67.56 ± 1.29d 38.26 ± 0.66e 91.81 ± 1.57de
300 97.15 ± 0.71b 81.37 ± 0.94c 52.63 ± 0.71d 93.68 ± 1.16e
IC50 (μg/mL) 2.299 2.922 5.119 1.632

Values are expressed as mean ± SD, In the same column the values designated different letters are significantly different at p < 0.05

A: DPPH radical scavenging potential of different plant extracts, B: ABTS radical scavenging potential of different plant extracts

SGFH 2 O/EtOH syzygium guineense var macrocarpum (barks) aqueous-ethanol, SGFEtOH syzygium guineense var macrocarpum (barks) ethanolic, SGFH 2 O syzygium guineense var macrocarpum (barks) aqueous, Vit C vitamin C