Associations between Specific Redox Biomarkers and Age in a Large European Cohort: The MARK-AGE Project

Table 4

Correlations between biomarkers in all three study groups in participants aged ≥55 years¹.

	Ascorbic acid	Uric acid	Total cysteine	Total glutathione	Lycopene	α-Tocopherol	Protein carbonyls	3-Nitro-tyrosine	Malondialdehyde
Ascorbic acid		−0.083	0.140	0.030	−0.103	0.164	−0.157	−0.027	−0.240
Uric acid			0.067	−0.021	−0.099	0.059	−0.020	−0.054	0.019
Total cysteine				0.047	−0.053	0.103	0.062	0.043	−0.034
Total glutathione					0.032	−0.033	−0.007	−0.015	0.030
Lycopene						0.073	0.088	−0.092	0.159
α-Tocopherol							−0.193	0.062	−0.132
Protein carbonyls								0.001	0.322
3-Nitrotyrosine									0.019
Malondialdehyde

¹Pearson correlation coefficient r. Statistically significant correlations are marked by , , and . ().