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[The nitrate content in milk].

C Geissler1, O Steinhöfel, M Ulbrich

  • 1Veterinärmed. Fakultät Universität Leipzig Institut für Fütterung und Ernährungsschäden.

Archiv Fur Tierernahrung
|August 1, 1991
PubMed
Summary
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This study explores photometric methods for analyzing nitrate levels in milk. An automated flow stream analyzer method was developed, showing rapid increases and decreases in milk nitrate concentrations after administration to dairy cows.

Area of Science:

  • Analytical Chemistry
  • Dairy Science
  • Food Safety

Context:

  • Nitrate determination in milk is crucial for assessing animal health and food safety.
  • Photometric methods offer potential for efficient nitrate analysis.
  • Existing methods may lack automation or speed for rapid monitoring.

Purpose:

  • To discuss analytical possibilities for nitrate determination in milk using photometric methods.
  • To propose an automated flow stream analyzer method (ADM 300) for rapid nitrate quantification.
  • To investigate the kinetics of nitrate absorption and elimination in dairy cows post-administration.

Summary:

  • An automated method using a flow stream analyzer (ADM 300) was developed for milk nitrate determination.
  • Dairy cows were administered sodium nitrate, and milk samples were analyzed.

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  • Rapid increases in milk nitrate levels were observed within 2 hours, followed by a quick decline to normal ranges within 24 hours.

    • Impact:

    • Provides a validated automated method for rapid nitrate monitoring in milk.
    • Contributes to understanding nitrate pharmacokinetics in lactating dairy cows.
    • Supports enhanced food safety protocols and dairy herd management through efficient analysis.