期刊
NUTRIENTS
卷 9, 期 12, 页码 -出版社
MDPI
DOI: 10.3390/nu9121374
关键词
apparent absorption; Aronia melanocarpa berries; body status; cadmium; copper; excretion; metabolism; metallothionein; polyphenols; tissue concentrations; zinc
资金
- National Science Centre (Poland) [N N405 051140]
- Medical University of Bialystok (Poland) [N/ST/MN/17/001/2221]
- Medical University of Bialystok as part of the OP DEP, Priority Axis I.3 [POPW.01.00-20-001/12]
In an experimental model of low-level and moderate environmental human exposure to cadmium (Cd), it was investigated whether the consumption of a polyphenol-rich Aronia melanocarpa L. berries (chokeberries) extract (AE) may influence the body status of zinc (Zn) and copper (Cu). The bioelements' apparent absorption, body retention, serum and tissue concentrations, total pool in internal organs, excretion, and the degree of binding to metallothionein were evaluated in female rats administered 0.1% aqueous AE or/and Cd in their diet (1 and 5 mg/kg) for 3-24 months. The consumption of AE alone had no influence on the body status of Zn and Cu. The extract administration at both levels of Cd treatment significantly (completely or partially) protected against most of the changes in the metabolism of Zn and Cu caused by this xenobiotic; however, it increased or decreased some of the Cd-unchanged indices of their body status. Based on the findings, it seems that rational amounts of chokeberry products may be included in the daily diet without the risk of destroying Zn and Cu metabolisms; however, their potential prophylactic use under exposure to Cd needs further study to exclude any unfavourable impact of these essential elements on the metabolism.
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