[Determination of microelements in human placenta II. Commun.: Spectrophotometric determination of zinc content in human placenta (author's transl)]
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Summary
This study determined human placenta zinc levels using an improved dithizone-zincon method. Fresh placenta contained 11.13 ppm zinc, while dried placenta showed significantly higher levels at 64.98 ppm.
Area of Science:
- Biochemistry
- Human Physiology
- Trace Element Analysis
Context:
- The human placenta plays a vital role in nutrient transfer and fetal development.
- Accurate quantification of essential minerals like zinc is crucial for understanding placental function.
- Existing methods for zinc determination may have limitations in sensitivity or accuracy.
Purpose:
- To quantify the zinc content in fresh and dried human placental tissue.
- To validate an improved combined dithizone-zincon method for trace element analysis in biological samples.
Summary:
- An improved dithizone-zincon method was employed to determine zinc concentrations in human placenta.
- Results indicate an average zinc content of 11.13 ± 0.62 ppm in fresh placental tissue.
- Dried placental tissue exhibited a significantly higher zinc concentration of 64.98 ± 3.34 ppm.
Impact:
- Provides precise reference values for zinc levels in human placenta.
- Highlights the impact of dehydration on measured zinc concentrations.
- Contributes to the understanding of zinc homeostasis during pregnancy.