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Essential trace metals: new definitions based on new paradigms

W Mertz1

  • 1Department of Agriculture Human Nutrition Research Center at Beltsville, Maryland.

Nutrition Reviews
|October 1, 1993
PubMed
Summary

This review synthesizes 50 years of trace metal research, focusing on nutrition and physiology. It outlines current knowledge and emerging paradigms to guide future scientific inquiry in this vital area.

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Area of Science:

  • Nutritional biochemistry
  • Physiological mineralogy
  • Trace element metabolism

Background:

  • The last 50 years have seen significant advancements in understanding trace metals.
  • Trace metals play crucial roles in various physiological processes.
  • Existing research highlights the complexity of trace metal interactions.

Purpose of the Study:

  • To consolidate the nutritional and physiological findings in trace metal research over the past five decades.
  • To identify key relationships and trends within the historical research landscape.
  • To establish a foundational understanding for future trace metal investigations.

Main Methods:

  • Historical literature review and synthesis of research spanning 50 years.
  • Analysis of nutritional and physiological data related to trace metals.
  • Identification and summary of dominant research paradigms.

Main Results:

  • Established meaningful connections across 50 years of trace metal research activities.
  • Summarized the current state of knowledge regarding trace metal nutrition and physiology.
  • Identified three emerging paradigms shaping future research directions.

Conclusions:

  • The historical trajectory of trace metal research is characterized by evolving understanding.
  • Three key paradigms are poised to direct future scientific exploration in this field.
  • A comprehensive understanding of past research is essential for advancing trace metal science.

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