期刊
FOOD AND CHEMICAL TOXICOLOGY
卷 140, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fct.2020.111330
关键词
Biofortification; Sugar kelp; Selenized yeast; Seabream; Carp; Essential and toxic elements
资金
- European Union [773400]
- Portuguese national funds (DIVERSIAQUA MAR) [2020-16-02-01-FEAM-66]
- Portuguese Foundation for Science and Technology (FCT) [IF/00253/2014, CEECIND/01739/2017, PTDC/BIA-BMA/28630/2017]
- Fundação para a Ciência e a Tecnologia [PTDC/BIA-BMA/28630/2017] Funding Source: FCT
Developing tailor-made fortified farmed fish is a promising solution to overcome nutritional deficiencies and increase consumer confidence in these products. This study evaluated the supplementation of three fortified diets with I-rich seaweed and selenised-yeast on essential and toxic elements levels in gilthead seabream (Sparus aurata) and common carp (Cyprinus carpio). Fortified diets resulted in increased I, Se and Fe in fish muscle. Biofortified seabream and carp revealed lower Cu and Br. The reduction of fishmeal and fish oil in fortified diets resulted in lower Hg and Cd in seabream muscle. Contrarily, fortified diets increased As and Hg in carp fillets. The consumption of 150 g of fortified seabream enabled a significantly higher contribution to the daily recommended intake (DRI) of I (10%) and Se (76%) than non-fortified fish, whereas fortified carp fulfilled 23% of I DRI and 91% of Se DRI. Moreover, the exposure to Pb decreased with the consumption of biofortified seabream (23-82% BMDL01) and carp (26-92% BMDL01). These results support the strategy of developing eco-innovative biofortified farmed fish using sustainable, natural, safe and high-quality ingredients in feeds, to enable consumers to overcome nutritional deficiencies without significantly increased feed costs.
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