The effect of sex, season and gametogenic cycle on gonad yield, biochemical composition and quality traits of Paracentrotus lividus along the North Atlantic coast of Portugal

Abstract Sea urchin population harvest in the North Atlantic coast of Portugal was characterized in terms of gonad yield, nutritional composition and important market-related traits, over one reproductive cycle (March 2016 to March 2017). Most of the quality attributes showed a seasonal variation st...

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Autores principales:	Filipa Rocha, Luís F. Baião, Sara Moutinho, Bruno Reis, Ana Oliveira, Francisco Arenas, Margarida R. G. Maia, António J. M. Fonseca, Manuela Pintado, Luisa M. P. Valente
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2019
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/467f345ee89143deb754daf30b6b7c93
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spelling	oai:doaj.org-article:467f345ee89143deb754daf30b6b7c932021-12-02T15:09:53ZThe effect of sex, season and gametogenic cycle on gonad yield, biochemical composition and quality traits of Paracentrotus lividus along the North Atlantic coast of Portugal10.1038/s41598-019-39912-w2045-2322https://doaj.org/article/467f345ee89143deb754daf30b6b7c932019-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-019-39912-whttps://doaj.org/toc/2045-2322Abstract Sea urchin population harvest in the North Atlantic coast of Portugal was characterized in terms of gonad yield, nutritional composition and important market-related traits, over one reproductive cycle (March 2016 to March 2017). Most of the quality attributes showed a seasonal variation strongly dependent on sea urchin sex. Maximum gonad yield (18%) was observed in March 2017. A single spawning event occurred between May and July. Gonads are rich sources of protein (12–18% WW) with low fat content (≤6% WW), that increase during the gametogenic stages of recovery and growing (November-December). Polyunsaturated fatty acids were the dominant class in both sexes (4.2–14.7 mg.g−1 WW), being preferentially accumulated in females. Total gonads carotenoid varied seasonally, with the highest level being observed in males during spawning season. Echinenone was the main pigment present in gonads, showing highest concentrations in males during spawning and gonad recovering. During the growing and early maturation period gonads were more reddish, yellowish and brighter, as well as more firm, irrespectively of the sex. Based on all seasonal changes affecting gonad yield and quality, the period between November and February seems the most suitable to harvest high quality gonads in the Atlantic coast of Portugal.Filipa RochaLuís F. BaiãoSara MoutinhoBruno ReisAna OliveiraFrancisco ArenasMargarida R. G. MaiaAntónio J. M. FonsecaManuela PintadoLuisa M. P. ValenteNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 9, Iss 1, Pp 1-13 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Filipa Rocha Luís F. Baião Sara Moutinho Bruno Reis Ana Oliveira Francisco Arenas Margarida R. G. Maia António J. M. Fonseca Manuela Pintado Luisa M. P. Valente The effect of sex, season and gametogenic cycle on gonad yield, biochemical composition and quality traits of Paracentrotus lividus along the North Atlantic coast of Portugal
description	Abstract Sea urchin population harvest in the North Atlantic coast of Portugal was characterized in terms of gonad yield, nutritional composition and important market-related traits, over one reproductive cycle (March 2016 to March 2017). Most of the quality attributes showed a seasonal variation strongly dependent on sea urchin sex. Maximum gonad yield (18%) was observed in March 2017. A single spawning event occurred between May and July. Gonads are rich sources of protein (12–18% WW) with low fat content (≤6% WW), that increase during the gametogenic stages of recovery and growing (November-December). Polyunsaturated fatty acids were the dominant class in both sexes (4.2–14.7 mg.g−1 WW), being preferentially accumulated in females. Total gonads carotenoid varied seasonally, with the highest level being observed in males during spawning season. Echinenone was the main pigment present in gonads, showing highest concentrations in males during spawning and gonad recovering. During the growing and early maturation period gonads were more reddish, yellowish and brighter, as well as more firm, irrespectively of the sex. Based on all seasonal changes affecting gonad yield and quality, the period between November and February seems the most suitable to harvest high quality gonads in the Atlantic coast of Portugal.
format	article
author	Filipa Rocha Luís F. Baião Sara Moutinho Bruno Reis Ana Oliveira Francisco Arenas Margarida R. G. Maia António J. M. Fonseca Manuela Pintado Luisa M. P. Valente
author_facet	Filipa Rocha Luís F. Baião Sara Moutinho Bruno Reis Ana Oliveira Francisco Arenas Margarida R. G. Maia António J. M. Fonseca Manuela Pintado Luisa M. P. Valente
author_sort	Filipa Rocha
title	The effect of sex, season and gametogenic cycle on gonad yield, biochemical composition and quality traits of Paracentrotus lividus along the North Atlantic coast of Portugal
title_short	The effect of sex, season and gametogenic cycle on gonad yield, biochemical composition and quality traits of Paracentrotus lividus along the North Atlantic coast of Portugal
title_full	The effect of sex, season and gametogenic cycle on gonad yield, biochemical composition and quality traits of Paracentrotus lividus along the North Atlantic coast of Portugal
title_fullStr	The effect of sex, season and gametogenic cycle on gonad yield, biochemical composition and quality traits of Paracentrotus lividus along the North Atlantic coast of Portugal
title_full_unstemmed	The effect of sex, season and gametogenic cycle on gonad yield, biochemical composition and quality traits of Paracentrotus lividus along the North Atlantic coast of Portugal
title_sort	effect of sex, season and gametogenic cycle on gonad yield, biochemical composition and quality traits of paracentrotus lividus along the north atlantic coast of portugal
publisher	Nature Portfolio
publishDate	2019
url	https://doaj.org/article/467f345ee89143deb754daf30b6b7c93
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The effect of sex, season and gametogenic cycle on gonad yield, biochemical composition and quality traits of Paracentrotus lividus along the North Atlantic coast of Portugal

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