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Measuring masticatory performance using a new device and β-carotene in test gummy jelly
T Nokubi1, F Nokubi, Y Yoshimuta
1Development Project of Evaluating Method for Masticatory Ability, Center for Advanced Science and Innovation, Osaka University, Osaka Division of Oromaxillofacial Regeneration, Osaka University Graduate School of Dentistry, Osaka, Japan. nokubi@dent.osaka-u.ac.jp
A new device using gummy jelly and light sensors accurately measures chewing ability. This method precisely quantifies changes in food particle surface area, aiding dental treatment evaluation and diagnosis of chewing disorders.
Area of Science:
- Biomedical Engineering
- Dental Science
- Sensory Analysis
Background:
- Objective evaluation of masticatory performance is crucial for comparing dental treatments and diagnosing masticatory disorders.
- Current methods may lack the precision required for quantitative analysis.
Purpose of the Study:
- To develop an automated, accurate method for measuring masticatory performance.
- To utilize a novel device incorporating light-emitting diodes and a photodiode with gummy jelly as a test food.
Main Methods:
- Investigated the correlation between beta-carotene concentration and photodiode voltage.
- Optimized measurement conditions including water temperature and rinsing/dissolving times.
- Assessed the relationship between gummy jelly particle surface area and dissolved beta-carotene concentration.
Main Results:
- A high correlation (r=0.999) was found between beta-carotene concentration and photodiode voltage.
- Optimal conditions for stable measurements were identified (35°C water, 30s rinse, 10s dissolve).
- Accurate calculation of divided gummy jelly surface area was achieved (r=0.992).
Conclusions:
- The developed method using gummy jelly and an automatic measuring device provides precise evaluation of masticatory performance.
- This technique offers a valuable tool for quantitative comparisons in dental research and clinical diagnostics.
