Table 2.

Correlation coefficients between main nutrients and antioxidant capacity

Correlation coefficient	Reducing sugar	Total acidity	Flavonoids	Phenolics	Protein	Vc
DPPH radical-scavenging capacity	− 0.852 ± 0.052	0.870 ± 0.041	0.940 ± 0.053	0.765 ± 0.039	0.177 ± 0.014	0.952 ± 0.038*
ABTS+ scavenging capacity	− 0.988 ± 0.034*	0.483 ± 0.013	0.806 ± 0.084	0.920 ± 0.027	− 0.383 ± 0.031	0.919 ± 0.06
Reducing power	− 0.924 ± 0.021	0.577 ± 0.024	0.890 ± 0.017	0.987 ± 0.052*	− 0.251 ± 0.009	0.956 ± 0.054*

*Represented significant correlation (|r| > 0.95)