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Types of Toxins

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Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
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Related Experiment Video

Updated: Jul 24, 2026

Taste Exam: A Brief and Validated Test

Taste Exam: A Brief and Validated Test

Published on: August 17, 2018

[Taste disorders in chromium exposed workers].

H Seeber¹, R Fikentscher

¹Hals-Nasen-Ohrenklinik, Bezirkskrankenhauses Dessau.

Zeitschrift Fur Die Gesamte Hygiene Und Ihre Grenzgebiete

|January 1, 1990

Summary

Chrome dust exposure, particularly higher levels, significantly increases taste thresholds for sweet, sour, salty, and bitter tastes. This suggests chrome dust can induce taste disturbances in workers.

Area of Science:

Occupational Health
Toxicology
Sensory Science

Context:

Investigated taste disturbances in individuals exposed to chrome dust (potassium bichromate, chromic acid, zinc chromate).
Examined 46 individuals with varying chrome exposure levels (19 lower, 27 higher).

Purpose:

To determine if chrome dust exposure induces taste disturbances.
To correlate chrome exposure levels with changes in taste thresholds.

Summary:

Taste thresholds for sweet, sour, salty, and bitter sensations increased with higher chrome exposure.
The quantity of chrome exposure was found to be more critical than its quality or duration.
Both electrogustometry and chemogustometry are recommended for occupational taste assessments.

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Impact:

Highlights the risk of taste disturbances from occupational chrome exposure.
Emphasizes the importance of monitoring taste function in chrome-exposed workers.
Recommends comprehensive gustatory testing for accurate occupational health evaluations.