Table 3 Cor relation coefficients between antioxidant activities, antioxidant contents, and β-glucan contents

Factors	TPC	TFC	β-glucan contents
DPPH1)	0.9214***2)	0.9479***	0.3146
FRAP	0.9743***	0.9384***	0.4623
ABTS	0.8669***	0.7298**	0.6663**

DPPH, DPPH radical scavenging activity; ABTS, ABTS radical scavenging activity; TPC, total phenolic contents; TFC, total flavonoid contents.
Pearson’s correlation coefficient. *p<0.05, **p<0.01, ***p<0.001, ****p<0.0001