Research Article

A New Method to Simultaneously Quantify the Antioxidants: Carotenes, Xanthophylls, and Vitamin A in Human Plasma

Table 2

Accuracy and recovery of the compounds studied.

AnalyteAccuracy (%)Recoveries (%)

Retinol105 ± 996 ± 3
Astaxanthin99 ± 7113 ± 6
Lutein99 ± 13112 ± 9
Zeaxanthin101 ± 11107 ± 5
E--apo-8′-carotenal98 ± 1094 ± 3
Cryptoxanthin103 ± 1296 ± 3
15-Z--carotene90 ± 13101 ± 2
13-Z--carotene105 ± 1292 ± 5
-carotene98 ± 1289 ± 4
-carotene97 ± 1396 ± 2
9-Z--carotene112 ± 793 ± 3
E-lycopene100 ± 1291 ± 3