Table 2 Effect of UELPP-A1 on antioxidant activity in vitro.

From: Preparation, structure and properties of litchi pericarp polysaccharide

Group

Hydroxyl radical / %

Reducing capacity / %

Superoxide anion / %

I

16.31 ± 1.93g

12.34 ± 1.83g

7.69 ± 2.52f

II

19.19 ± 2.64f, g

14.54 ± 1.03f

12.15 ± 2.64e

III

22.11 ± 2.25e, f

16.91 ± 0.90e

16.35 ± 1.33d

IV

24.14 ± 1.60c, e

19.22 ± 1.03d

18.41 ± 1.86cd

V

26.64 ± 2.12b, c

22.04 ± 0.92c

21.55 ± 2.39c

VI

28.82 ± 3.79b

25.25 ± 0.81b

25.68 ± 1.99b

VII

35.82 ± 3.33a

30.14 ± 1.56a

29.98 ± 1.46a

VIII

38.44 ± 0.86a

31.76 ± 1.56a

32.45 ± 2.25a

  1. The data were expressed as mean ± SD (N = 3) and evaluated by one-way analysis of variance. There were statistically significant differences in different letters of the superscript (P < 0.05).