Mineral Deficiencies and Excesses

  • Govind A. Dhopeshwarkar

Abstract

Zinc was first shown to be essential for growth of living organisms in 1869. In 1934, it was shown to be essential for growth and normal development of mammals (Todd et al., 1934). In 1940, the first metalloenzyme containing zinc was isolated (Keilin and Mann, 1940) and since then several other enzymes have been shown to contain zinc (Parisi and Vallee, 1969). Recently, it has been reported that zinc and iron are nutritionally interrelated. The highest concentration of zinc in the body was found in layers of the choroid in the eye. This layer contains an enzyme retinene reductase which is a zinc metalloenzyme.

Keywords

Zinc Toxicity Dust Dopamine Sludge 

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Copyright information

© Plenum Press, New York 1983

Authors and Affiliations

  • Govind A. Dhopeshwarkar
    • 1
  1. 1.School of Public HealthLate of University of California at Los AngelesLos AngelesUSA

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