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Updated: May 2, 2026

Taste Exam: A Brief and Validated Test
Published on: August 17, 2018
[Development of taste sensor for bitterness evaluation of drugs]
1Intelligent Sensor Technology, Inc.
Insights
Developing advanced taste sensors can improve pediatric medicine palatability. Optimizing membrane properties allows for sensors that mimic human taste perception, aiding drug formulation for children.
Area of Science:
- Pharmaceutical Science
- Biomedical Engineering
- Sensory Science
Context:
- Pediatric medicine palatability is a significant challenge in pharmaceutical development.
- Children's heightened sensitivity to bitterness impacts medication adherence.
- Volunteer efforts to deliver medicines to underserved areas highlight the need for palatable formulations.
Purpose:
- To develop advanced taste sensors for the pharmaceutical industry.
- To provide a "measure of taste" to aid in creating child-friendly drug formulations.
- To overcome the challenge of bitter taste in pediatric medicines.
Summary:
- Two novel methods were developed to control taste sensor characteristics by optimizing membrane electric density and hydrophobicity.
- These methods enable the creation of advanced taste sensors meeting four key requirements: human-like taste threshold, consistent response, defined information units, and detection of taste interactions.
- The developed taste sensors aim to replicate human taste perception for pharmaceutical applications.
Impact:
- Facilitates the development of palatable pediatric drug formulations.
- Enhances medication adherence and therapeutic outcomes in children.
- Contributes to the advancement of taste sensing technology for broader pharmaceutical applications.
Abstract:
In pharmaceutical fields, the palatability of drug formulation has been attracted, especially for children. It is excellent that pediatric medicines are delivered to a famine-stricken area on volunteer work. However, children cannot take extremely bitter drug because they are said to be highly sensitive to bitterness. Therefore, we contribute to the development of formulation palatable to children by providing pharmaceutical industry with "the measure of taste". In taste sensing technology, we established two methods to control the sensor's characteristics by optimizing both electric density and hydrophobicity of membrane. These innovative approaches enable the development advanced taste sensors to fulfill the 4 types of requirements: (1) The threshold of taste sensors must be the same as the human taste threshold; (2) Taste sensors must respond consistently to the same taste like the human tongue; (3) There must be a clearly defined unit of information from taste sensors; and (4) Taste sensors must detect interactions between taste substances.
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