[Interactions of toxic trace elements with special regard to selenium].

Area of Science:

• Nutritional Science
• Toxicology
• Biochemistry

Background:

• Trace element significance in nutrition is often determined by interactions.
• Synergistic and antagonistic effects influence trace element essentiality and toxicity.
• Existing knowledge primarily covers interactions of essential elements at essential concentrations.

Purpose of the Study:

• To highlight the importance of trace element interactions in nutrition.
• To address the scarcity of information regarding toxic effects influenced by interactions.
• To emphasize the need for closer attention to these complex interactions.

Main Methods:

• Review of existing literature on trace element interactions.
• Analysis of synergistic and antagonistic effects.
• Illustrative examples, including the role of selenium, to demonstrate the problem.

Main Results:

• Trace element interactions critically affect nutritional significance.
• Interactions play a key role in both essentiality and toxicity.
• Limited data exists on interactions influencing toxic effects.

Conclusions:

• Trace element interactions, particularly synergistic and antagonistic effects, are crucial for understanding both nutritional benefits and toxic risks.
• Further investigation into interactions influencing toxicity is warranted.
• The role of elements like selenium exemplifies the complexity and importance of these interactions.