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Oxidative Changes Associated with ß-Carotene and -Tocopherol Enrichment of Human Low-Density Lipoproteins

Department of Nutrition, University of Nevada, Reno, Nevada

View larger version (16K): [in a new window]   Fig. 1. Relationship between -tocopherol and a) length of lag phase (n=16, r2=0.49, p<0.01); b) rate of LDL oxidation (n=16, r2=0.325, p<0.05).

View larger version (17K): [in a new window]   Fig. 2. Relationship between ß-carotene and maximum TBARS activity (n=16, r2=0.563, p<0.001).

View larger version (19K): [in a new window]   Fig. 3. Relationship between initial LDL ß-carotene concentration and amount of ß-carotene oxidized in 60 minutes (r2=0.990, p<0.0001).

View larger version (19K): [in a new window]   Fig. 4. Relationship between LDL -tocopherol and length of lag phase for all experiments (n=19, r2=0.819, p<0.0001).

View larger version (18K): [in a new window]   Fig. 5. Relationship between LDL ß-carotene concentration and a) rate of oxidation (n=22, r2=0.372, p<0.005); b) TBARS concentration for all experiments (n=22, r2=0.649, p<0.05).