Effects of cadmium, lead, mercury, chromium, and selenium co-treatment on egg quality and fatty acids
文献类型: 外文期刊
作者: Liang, Kehong;Bai, Shiping;Zhu, Hong
作者机构:
关键词: Yolk;Albumen;Selenium;Heavy metals;Fatty acids
期刊名称: ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
ISSN: 0944-1344
年卷期: 2023 年
页码:
收录情况: SCIE(2023版)
摘要: This study aimed to reveal the effect of selenium (Se) and heavy metals (chromium (Cr), cadmium (Cd), lead (Pb), and mercury (Hg)) on the quality, fatty acids, and 13 kinds of ions in the egg yolk and albumen. Four experimental groups were established, including a control group (control; basal diet), Se group (basal diet + Se), heavy metals group (basal diet + CdCl2 + Pb(NO3)(2) + HgCl2 + CrCl3), and Se + heavy metal (HM) group (basal diet + Se + CdCl2 + Pb(NO3)(2) + HgCl2 + CrCl3). Se supplementation significantly increased the experimental egg yolk percentage since Se accumulation mainly occurred in the yolks of the eggs. The Cr content in the yolks of the Se + heavy metal groups decreased at 28 days, while a significant reduction was evident in the Cd and Hg levels of the Se + heavy metal yolks compared to the heavy metal group at 84 days. The complex interactions between the elements were analyzed to determine the positive and negative correlations. Se displayed a high positive correlation with Cd and Pb in the yolk and albumen, while the heavy metals minimally affected the fatty acids in the egg yolk.
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