Vitamin E in early stages of sea bass (Dicentrarchus labrax) development

Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
Giulia GuerrieroGaetano Ciarcia

Abstract

This study reports titration of vitamin E levels in the sea bass (Dicentrarchus labrax) using high-pressure liquid chromatography. The first part of the work is devoted to vitamin E detection in: (1) plasma of maturing females and males characterized by different body sizes; (2) seminal fluid and eggs; and (3) developing embryos of sea bass fed with vitamin E. In the second part of the study, variations of vitamin E levels during larval development are analyzed. The results show a direct correlation between plasma vitamin E content and body size for both adult male and female sea bass. High vitamin E levels were found in seminal fluid, in eggs before and after fertilization, and in embryos during development and at hatching, whereas vitamin E level was low in dead embryos and in embryos with limited survival. During larval development, the vitamin E content decreased slowly but steadily during the first four days of larval growth; subsequently, it progressively increased from day 9 to day 40. In teratogenic larvae, vitamin E content was significantly higher than in normal larvae. This study provides evidence on how vitamin E exerts an antioxidant defense in sea bass reproduction.

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Jun 14, 2002·Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology·Giulia GuerrieroGaetano Ciarcia
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Citations

May 6, 2014·Frontiers in Endocrinology·Giulia GuerrieroGaetano Ciarcia
Oct 31, 2017·Environmental Science and Pollution Research International·Giulia GuerrieroAnna De Maio
Jan 23, 2018·Frontiers in Physiology·Roberta PecoraroMaria V Brundo

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