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Related Experiment Videos

Clinical bitterness masking test for phantogeusia.

T Ishimaru1, S Hatanaka, T Miwa

  • 1Department of Otorhinolaryngology, School of Medicine, Kanazawa University, 13-1 Takara-machi, Kanazawa 920-8641, Japan. ishimar@orl.m.kanazawa-u.ac.jp

Chemical Senses
|December 22, 2000
PubMed
Summary

A new diagnostic test uses a bitterness masking substance, Benecoat BMI-60, to help identify the cause of phantom bitter tastes. This test distinguishes between saliva-based bitterness and nerve or brain-related causes.

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Area of Science:

  • Otorhinolaryngology
  • Neurology
  • Sensory Science

Background:

  • Phantom bitter taste, or taste disturbance, is a common yet poorly understood complaint.
  • Identifying the origin of this sensation is crucial for effective diagnosis and treatment.
  • Current diagnostic methods for taste disorders lack specificity.

Purpose of the Study:

  • To evaluate a novel diagnostic test utilizing a bitterness masking substance for phantom bitter taste.
  • To differentiate the origin of bitter taste sensations (salivary vs. neural/central).

Main Methods:

  • A bitterness masking substance, Benecoat BMI-60 (BMI-60), specific to taste cell receptors was employed.
  • Patients gargled with BMI-60 solutions to assess its masking effect on phantom bitterness.

Related Experiment Videos

  • The masking effect was correlated with the presumed origin of the bitter sensation.

    • Main Results:

    • Benecoat BMI-60 successfully masked bitterness in patients where the cause was attributed to substances in saliva.
    • The masking substance did not alleviate bitterness when the sensation originated from the peripheral nerve or brain.
    • This differential masking effect allowed for localization of the bitter taste's origin.

    Conclusions:

    • The bitterness masking test using BMI-60 is a valuable tool for diagnosing the cause of phantom bitter taste.
    • This method aids in distinguishing between peripheral and central origins of taste disturbances.
    • The test offers a practical approach to understanding taste dysfunctions.