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A European carotenoid database to assess carotenoid intakes and its use in a five-country comparative study
- M. O'Neill, Y. Carroll, +9 authors D. Thurnham
- Medicine, Biology
- British Journal of Nutrition
- 1 April 2001
A food frequency questionnaire (FFQ) and carotenoid database with information on α- and β-carotene, lutein, lycopene and β-cryptoxanthin was prepared and used to compare the carotenoid intakes in… Expand
Serum concentrations of carotenoids and vitamins A, E, and C in control subjects from five European countries.
- B. Olmedilla, F. Granado, +8 authors D. Thurnham
- Biology, Medicine
- The British journal of nutrition
- 1 February 2001
High intakes of fruits and vegetables, or high circulating levels of their biomarkers (carotenoids, vitamins C and E), have been associated with a relatively low incidence of cardiovascular disease,… Expand
Reference values for retinol, tocopherol, and main carotenoids in serum of control and insulin-dependent diabetic Spanish subjects.
- B. Olmedilla, F. Granado, E. Gil-Martinez, I. Blanco, E. Rojas-Hidalgo
- Clinical chemistry
- 1 June 1997
To establish reference ranges for use in clinical and epidemiological studies, we determined concentrations of retinol, alpha-tocopherol, beta-carotene, alpha-carotene, beta-cryptoxanthin, lutein,… Expand
Carotenoid composition in raw and cooked Spanish vegetables
An HPLC study of 18 of the fresh vegetables (raw and coolied) most frequently consumed in Spain was done to determine their carotenoid composition. The results are grouped according to the color of… Expand
Reproducibility and validity of a food frequency questionnaire among pregnant women in a Mediterranean area
BackgroundStudies exploring the role of diet during pregnancy are still scarce, in part due to the complexity of measuring diet and to the lack of valid instruments. The aim of this study was to… Expand
Major fruit and vegetable contributors to the main serum carotenoids in the Spanish diet.
- F. Granado, B. Olmedilla, I. Blanco, E. Rojas-Hidalgo
- European journal of clinical nutrition
- 1 April 1996
OBJECTIVE To identify the main sources of serum carotenoids (lutein, zeaxanthin, lycopene, beta-cryptoxanthin, alpha-carotene and beta-carotene) among the fruits and vegetables in the Spanish diet,… Expand
Seasonal and sex-related variations in six serum carotenoids, retinol, and alpha-tocopherol.
- B. Olmedilla, F. Granado, I. Blanco, E. Rojas-Hidalgo
- The American journal of clinical nutrition
- 1 July 1994
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… Expand
Lutein, but not alpha-tocopherol, supplementation improves visual function in patients with age-related cataracts: a 2-y double-blind, placebo-controlled pilot study.
OBJECTIVE We investigated the effect of long-term antioxidant supplementation (lutein and alpha-tocopherol) on serum levels and visual performance in patients with cataracts. METHODS Seventeen… Expand
A European multicentre, placebo-controlled supplementation study with alpha-tocopherol, carotene-rich palm oil, lutein or lycopene: analysis of serum responses.
Increased levels of oxidative stress have been implicated in tissue damage and the development of chronic diseases, and dietary antioxidants may reduce the risk of oxidative tissue damage. As part of… Expand
Mediterranean vegetable soup consumption increases plasma vitamin C and decreases F2-isoprostanes, prostaglandin E2 and monocyte chemotactic protein-1 in healthy humans.
- C. Sánchez-Moreno, M. P. Cano, +4 authors Antonio Martín
- Biology, Medicine
- The Journal of nutritional biochemistry
- 1 March 2006
Consumption of fruits and vegetables is associated with a reduced risk of death from all causes including heart disease and stroke. In this work, the bioavailability of vitamin C from a Mediterranean… Expand