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  • Title: Plasma concentrations of ascorbic acid in parturients from a hospital in Southeast Brazil.
    Author: Madruga de Oliveira A, Rondó PH, Mastroeni SS, Oliveira JM.
    Journal: Clin Nutr; 2008 Apr; 27(2):228-32. PubMed ID: 18234398.
    Abstract:
    BACKGROUND & AIMS: Pregnancy is a period characterized by high metabolic requirements and physiological changes in the female organism. During this period, low body stores of vitamins and minerals including antioxidants can have adverse effects on the mother and foetus. This cross-sectional study assessed plasma concentrations of ascorbic acid (AA) in 117 parturients admitted into a university hospital in São Paulo city, Brazil. METHODS: The concentrations of AA were determined by the high performance liquid chromatographic method. Data concerning socioeconomic, demographic, obstetric and nutritional characteristics of the parturients were collected by a standardized questionnaire. RESULTS: The prevalence of AA deficiency (<22.7 micromol/L) among the parturients was 30.8%. Mean plasma AA concentrations were lower in single/divorced women (27.84+/-3.48 micromol/L) compared with married/single with partner women (34.78+/-1.85 micromol/L) (p=0.047). Blood AA concentrations were significantly correlated with per capita income (r=0.36, p<0.001) and vitamin C-rich food intake score (r=0.42, p<0.001). CONCLUSION: The high prevalence of hypovitaminosis C detected in this study is probably due to an inadequate intake of foods rich in vitamin C and low income. We alert to the need for increasing the intake of vitamin C-rich foods through educational programs, especially for low income populations.
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