. 2020 Feb 18;18(2):122. doi: 10.3390/md18020122

Table 4.

Pearson correlation test between major carotenoid content and antioxidant activities measured with oxygen radical absorbance capacity (ORAC) and thiobabituric acid reactive substances (TBARS) assays.

	ORAC Assay		TBARS Assay
	Correlation Coefficient	R²	Correlation Coefficient	R²
total carotenoids	0.71 **	0.51	−0.12 ^ns	-
total xanthophylls	0.71 **	0.51	−0.10 ^ns	-
lutein	0.78 **	0.60	−0.34 ^ns	-
zeaxanthin	0.70 *	0.48	−0.18 ^ns	-
fucoxanthin	0.60 *	0.35	−0.24 ^ns	-
β-Carotene	0.36 ^ns	-	−0.30 ^ns	-

ns: Non significant, *: p < 0.05, and **: p < 0.01.