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Contributo in rivista
Tipo: Articolo in rivista
Titolo: Vitamin E in early stages of sea bass (Dicentrarchus labrax) development.
Anno di pubblicazione: 2004
Formato: Elettronico Cartaceo
Autori: Guerriero G, Ferro R , Russo GL , Ciarcia G.
Affiliazioni autori: Istituto di Sicenze dell' Alimentazione CNR Avellino Stazione Zoologica A. Dohrn Napoli Università degli Studi di Napoli Federico II Dipartimento Fisiologia
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.
Lingua abstract: inglese
Pagine da: 435
Pagine a: 439
Comparative biochemistry and physiology. Part A, Molecular & integrative physiology
Numero volume: 138
Referee: Sì: Internazionale
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