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Related Concept Videos

Lipids: Dietary Sources and Requirements01:18

Lipids: Dietary Sources and Requirements

Lipids are an essential component of a balanced human diet. Triglycerides, which make up the majority of dietary lipids, are found in both saturated fats—commonly present in meat, dairy products, and certain tropical plants like coconut, and hydrogenated oils such as margarine and baking shortenings (trans fats)—and unsaturated fats, which are abundant in seeds, nuts, olive oil, and most vegetable oils. The main sources of cholesterol include egg yolks, various meats and organ meats, shellfish,...

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Habitual fish consumption does not prevent a decrease in LCPUFA status in pregnant women (the Seychelles Child

M P Bonham1, E M Duffy, J M W Wallace

  • 1Northern Ireland Centre for Food and Health (NICHE), Department of Biomedical Sciences, University of Ulster, Cromore Road, Coleraine BT52 1SA, Northern Ireland, UK. mp.bonham@ulster.ac.uk

Prostaglandins, Leukotrienes, and Essential Fatty Acids
|July 1, 2008
PubMed
Summary
This summary is machine-generated.

High fish consumption in pregnant women did not prevent decreases in long-chain polyunsaturated fatty acids (LCPUFAs), such as docosahexaenoic acid (DHA), during the third trimester. Fetal accretion impacts maternal LCPUFA status despite high dietary intake.

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Area of Science:

  • Nutritional biochemistry
  • Maternal and infant nutrition
  • Human physiology

Background:

  • Limited data exists on long-chain polyunsaturated fatty acids (LCPUFAs) status during pregnancy and lactation in populations with very high fish intake.
  • Fish is a primary source of essential fatty acids like docosahexaenoic acid (DHA) and arachidonic acid (AA).

Purpose of the Study:

  • To investigate the dietary intake and changes in fatty acid status among pregnant women in the Seychelles, a high fish-eating population.
  • To determine if high habitual fish consumption influences maternal LCPUFA status during the third trimester of pregnancy and in breast milk.

Main Methods:

  • Cross-sectional study involving pregnant women (n=196) in the Republic of Seychelles.
  • Assessment of serum fatty acid profiles, specifically DHA and AA.
  • Collection of self-reported dietary fish intake data.
  • Analysis of fatty acid ratios in breast milk.

Main Results:

  • Serum docosahexaenoic acid (DHA) levels significantly decreased from 28-week gestation to delivery.
  • Maternal DHA status did not correlate with gestational length or self-reported high fish intake (527 g/week).
  • Breast milk DHA to arachidonic acid (AA) ratios were comparable to other high fish-eating populations.

Conclusions:

  • High dietary intake of LCPUFAs from fish does not fully prevent the physiological decrease in maternal LCPUFA status during late pregnancy.
  • Fetal accretion in the third trimester is a significant factor in reducing maternal LCPUFA levels, irrespective of high fish consumption.
  • Findings highlight the complex interplay between diet, fetal demand, and maternal fatty acid status during pregnancy.