The authors measured taste preference for sweet, pungent. salty, and sour taste with a 9-point scale and also measured taste detection and recognition thresholds for sucrose, sodium chloride, citric acid, and quinine HCI with the whole-mouth gustatory test method for the 203 healthy male and female Korean subjects who are in the age of the third decade. The ´spray-and-swallow method´ was used to stimulate oral taste receptors instead of using the conventional ´sip-and-spit method´.
The results were as follows;
1. The whole-mouth gustatory test procedure using´ spray-and-swallow method´ may be useful for evaluating gustatory function clinically.
2. The mean recognition thresholds for 4 basic tastes were 0.015982 M solutioin of sucrose for sweet taste, 0.021784 M solution of sucrose for salty taste, 0.000835 M solution of citric acid for sour taste, and 0.0000292 M solution of quinine HCI for bitter taste.
3. The recognition thresholds for 4 basic tastes were higher in male subjects than female subjects
4. The male subjects showed higher taste preference for salty taste than female subjects. Otherwise, there was no difference in taste preference between male and female subjects.
5. There was no consistent relationships between taste threshold and taste preference.
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