Table 3.

Antioxidant activity of HSP, ZnO, ZnO-HSP, vitamin C, and nanocomposites

Sample	Total antioxidant status (mmol Trolox Equiv./L)
HSP	3.40 ± 0.12d
ZnO	0.24 ± 0.03a
ZnO-HSP	2.88 ± 0.15c
2 wt % ZnO-HSP	2.33 ± 0.05b
4 wt % ZnO-HSP	2.38 ± 0.16b
6 wt % ZnO-HSP	2.76 ± 0.07c
Vitamin C	3.90 ± 0.08e
P-value	0.000

Data were given as mean ± standard deviation (n = 3). Statistical differences between data are given in superscript (^{a, b, c, d, e}). Data without the same superscript differ from each other statistically (p < 0.05)