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Oxidative state and lipid composition of plasma from overweight and moderately obese women

  • Roberta Cazzola
  • Mariangela Rondanelli
  • Rosita Trotti
  • Carla Camerotto
  • Benvenuto Cestaro
Original
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Abstract

Objective

To determine the oxidative balance and plasma fatty acid composition of overweight and obese women.

Design

Comparative, descriptive study on 60 overweight or obese (BMI 25–33 kg/m2), normotensive, nondiabetic women and 60 age-matched lean healthy women (BMI < 25 kg/m2).

Measurements

Plasma lipid, hydroperoxide, and antioxidants levels, fatty acid composition and the susceptibility of lipoproteins to peroxidation.

Results

Compared to the lean control group, the patient group had higher susceptibility of lipoproteins to peroxidation and higher peroxide levels. In contrast, the polyunsaturated fatty acids, in particular the ω-3 species, and the antioxidants were lower in the patient group.

Conclusions

The present study shows that overweight and obese people have oxidative balance impairment. The higher susceptibility of lipoproteins to peroxidation is the probable molecular mechanism that promotes a reduction in high unsaturated (and in particular ω-3) fatty acids, as well as antioxidants in the plasma of the overweight and obese subjects.

Keywords

Over weight Obesity Oxidative stress Lipid peroxidation 

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Copyright information

© Springer-Verlag Italia 2008

Authors and Affiliations

  • Roberta Cazzola
    • 1
  • Mariangela Rondanelli
    • 2
  • Rosita Trotti
    • 3
  • Carla Camerotto
    • 1
  • Benvenuto Cestaro
    • 1
  1. 1.Department of Preclinical Sciences “LITA Vialba”, Faculty of MedicineUniversity of MilanMilanItaly
  2. 2.Department of Applied Health Sciences, Section of Human Nutrition and Dietetics, Faculty of Medicine, Endocrinology and Nutrition Unit, ASP, II. AA.RR.University of PaviaPaviaItaly
  3. 3.Laboratory of Biochemical Chemistry, Neurological Institute “C. Mondino”, I.R.C.C.S.University of PaviaPaviaItaly

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