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[Cadmium in mushrooms (author's transl)]
Zeitschrift Fur Lebensmittel-Untersuchung Und -Forschung
|January 31, 1978
Summary
Wild mushrooms show varying cadmium levels, with most species containing low amounts. However, specific species, particularly in the gills and tubes, can accumulate high cadmium concentrations from soil.
Area of Science:
- Environmental Science
- Mycology
- Analytical Chemistry
Context:
- Cadmium is a toxic heavy metal with significant environmental and health implications.
- Wild mushrooms are a popular food source, but their potential to accumulate heavy metals like cadmium is a concern.
- Previous research has indicated variability in cadmium uptake among different mushroom species.
Purpose:
- To quantify the cadmium content in a diverse range of wild mushroom species.
- To identify mushroom species with high cadmium accumulation potential.
- To investigate the distribution of cadmium within mushroom fruiting bodies.
Summary:
- A study analyzed cadmium levels in 1049 wild mushroom samples from southern Germany, representing 402 species, using flameless atomic absorption spectroscopy.
- The majority of samples (68%) contained less than 2 mg/kg dry weight of cadmium, indicating low accumulation in most species.
- However, 41 species showed high cadmium content (>10 mg/kg dry weight), with notable accumulation in Agaricus and Inocybe genera, and higher concentrations found in gills and tubes compared to stems.
Impact:
- Provides crucial data for assessing the dietary risk associated with wild mushroom consumption.
- Informs mycologists and environmental scientists about species-specific cadmium bioaccumulation.
- Highlights the importance of understanding heavy metal uptake in edible fungi for food safety and environmental monitoring.