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. 2020 Nov 23;53:55. doi: 10.1186/s40659-020-00322-2

Table 2.

Ferric reducing antioxidant power values of G. tinctoria extract at 4 and 60 min

Sample µmol of Fe2+/g of extract or standard
4 min 60 min
G. tinctoria extract 0.73 ± 0.01a 1.44 ± 0.02a
Quercetin 1.88 ± 0.02b 3.01 ± 0.14b

Data are shown as mean ± standard deviation (n = 3)

Values in the same column with different superscripts letters (a, b) are significantly different (p < 0.05) according to Duncan’s Multiple Range Test