The linoleic acid: Dihomo-γ-linolenic acid ratio (LA:DGLA)—an emerging biomarker of Zn status

Marija Knez, James C.R. Stangoulis, Maria Glibetic, Elad Tako

Research output: Contribution to journalReview article

9 Citations (Scopus)
11 Downloads (Pure)

Abstract

Zinc (Zn) deficiency is a common aliment predicted to affect 17% of the world’s population. Zinc is a vital micronutrient used for over 300 enzymatic reactions and multiple biochemical and structural processes in the body. Although whole blood, plasma, and urine zinc decrease in severe zinc deficiency, accurate assessment of zinc status, especially in mild to moderate deficiency, is difficult as studies with these biomarkers are often contradictory and inconsistent. Hence, as suggested by the World Health Organization, sensitive and specific biological markers of zinc status are still needed. In this review, we provide evidence to demonstrate that the LA:DGLA ratio (linoleic acid:dihomo-γ-linolenic acid ratio) may be a useful additional indicator for assessing Zn status more precisely. However, this biomarker needs to be tested further in order to determine its full potential.

Original languageEnglish
Article number825
Number of pages11
JournalNutrients
Volume9
Issue number8
DOIs
Publication statusPublished - 1 Aug 2017

Bibliographical note

© 2017 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

Keywords

  • Biomarker
  • Fatty acid
  • LA:DGLA
  • Zn
  • Zn status

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