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Titolo:
REFERENCE VALUES FOR PLASMA-CONCENTRATIONS OF VITAMIN-E AND VITAMIN-AAND CAROTENOIDS IN A SWISS POPULATION FROM INFANCY TO ADULTHOOD, ADJUSTED FOR SEASONAL INFLUENCES
Autore:
WINKLHOFERROOB BM; VANTHOF MA; SHMERLING DH;
Indirizzi:
KARL FRANZENS UNIV GRAZ,INST BIOCHEM,SCHUBERTSTR 1 A-8010 GRAZ AUSTRIA UNIV ZURICH,DEPT PEDIAT,DIV GASTROENTEROL & NUTR CH-8006 ZURICH SWITZERLAND CATHOLIC UNIV NIJMEGEN,DEPT MED STAT NL-6500 HC NIJMEGEN NETHERLANDS
Titolo Testata:
Clinical chemistry
fascicolo: 1, volume: 43, anno: 1997,
pagine: 146 - 153
SICI:
0009-9147(1997)43:1<146:RVFPOV>2.0.ZU;2-F
Fonte:
ISI
Lingua:
ENG
Soggetto:
PERFORMANCE LIQUID-CHROMATOGRAPHY; LOW-DENSITY LIPOPROTEINS; RETINOL-BINDING PROTEIN; ALPHA-TOCOPHEROL LEVELS; BETA-CAROTENE; CYSTIC-FIBROSIS; E-DEFICIENCY; ANTIOXIDANT VITAMINS; ORAL SUPPLEMENTATION; SERUM CONCENTRATIONS;
Keywords:
TOCOPHEROL; LYCOPENE; RETINOL; CAROTENE; CHOLESTEROL; AGE-RELATED EFFECTS; PEDIATRIC CHEMISTRY; VARIATION, SOURCE OF EPIDEMIOLOGY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
41
Recensione:
Indirizzi per estratti:
Citazione:
B.M. Winklhoferroob et al., "REFERENCE VALUES FOR PLASMA-CONCENTRATIONS OF VITAMIN-E AND VITAMIN-AAND CAROTENOIDS IN A SWISS POPULATION FROM INFANCY TO ADULTHOOD, ADJUSTED FOR SEASONAL INFLUENCES", Clinical chemistry, 43(1), 1997, pp. 146-153

Abstract

In a cross-sectional survey, plasma concentrations of alpha- and gamma-tocopherol, alpha- and beta-carotene (cis and trans isomers), lycopene, and retinol were determined by reversed-phase HPLC, and ratios of plasma alpha-tocopherol to cholesterol were calculated in 208 Swiss individuals ages 0.4-38.7 years. The influence of age, sex, and season of sampling was studied. Age was a significant predictor of all plasma concentrations except alpha-carotene. No sex-related differences were observed. Season of sampling affected alpha-tocopherol and retinol (higher in winter) and gamma-tocopherol and cholesterol concentrations (higher in winter and spring than in the other seasons). After correction for seasonal influences, age differences were 0.24 mu mol/L per yearfor alpha-tocopherol, 0.04 mu mol/L per year for retinol, and 0.04 mumol/L per year for cholesterol concentrations; ratios of plasma alpha-tocopherol to cholesterol were not affected by age. We constructed age-specific reference intervals from the regression line and a multipleof the standard deviation. Separate regression equations are presented for seasons with low and high values.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/07/20 alle ore 22:38:03