SEASONAL AND SEX-RELATED VARIATIONS IN 6 SERUM CAROTENOIDS, RETINOL, AND ALPHA-TOCOPHEROL

被引:138
作者
OLMEDILLA, B
GRANADO, F
BLANCO, I
ROJASHIDALGO, E
机构
[1] Nutrition Service, Clínica Puerta de Hierro, Madrid
[2] Servicio de Nutrición, Clínica Puerta de Hierro, 28035 Madrid, San Martín de Porres
关键词
SERUM CAROTENOIDS; LUTEIN; ZEAXANTHIN; LYCOPENE; BETA-CAROTENE; ALPHA-CAROTENE; BETA-CRYPTOXANTHIN; RETINOL; ALPHA-TOCOPHEROL; SEASONAL AND SEX-RELATED VARIATIONS;
D O I
10.1093/ajcn/60.1.106
中图分类号
R15 [营养卫生、食品卫生]; TS201 [基础科学];
学科分类号
100403 ;
摘要
We report the results of a study on the influence of season and sex on serum concentrations of six carotenoids, retinol, and alpha-tocopherol, as determined by reversed-phase HPLC. The subjects were 111 healthy individuals (54 females, 57 males); 18 additional subjects (10 females, 8 males) were assessed for within-subject longitudinal seasonal variations. Men presented significantly higher retinol concentrations (P = 0.0021 and lower concentrations of provitamin A carotenoids-ct-carotene (P = 0.006), beta-carotene (p < 0.001), and beta-cryptoxanthin (P < 0.001)-than women. There were no significant differences between the sexes with respect to nonprovitamin A carotenoids (lutein, zeaxanthin, and lycopene) or alpha-tocopherol. Significant seasonal increments (P < 0.05) in serum concentrations of alpha-carotene and beta-carotene (in summer) and of beta-cryptoxanthin (in winter) were detected in both sexes; in males, lutein was higher in summer whereas in females it rose in spring. No sex-related or seasonal variations were observed in alpha-tocopherol, zeaxanthin, or lycopene. Serum concentrations of provitamin A carotenoids vary according to the individual's sex and season of the year.
引用
收藏
页码:106 / 110
页数:5
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