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Study on the Development and Evaluation of Validity of Salty Taste Assessment Tool  

Shin, Eun-Kyung (Department of Food Science and Nutrition, Kyungpook National University)
Lee, Hye-Jin (Management Center for Daegu Metropolitan City Health Promotion)
Ahn, Moon-Young (Public Health and Hygiene Division, Daegu Metropolitan City)
Lee, Yeon-Kyung (Department of Food Science and Nutrition, Kyungpook National University)
Publication Information
Journal of Nutrition and Health / v.41, no.2, 2008 , pp. 184-191 More about this Journal
Abstract
The purpose of this study was to assess and evaluate salty taste preferences. Samples for the salty taste test were made by adding sodium chloride to soybean sprout soup at five different concentrations: 0.08% (unsalty) ; 0.16% (slightly unsalty) ; 0.31% (neither unsalty nor salty) ; 0.63% (slightly salty) ; and 1.25% (salty). Over 4,210 subjects were randomly selected and tested over a three-year period from 2005 to 2007 in Daegu. The results of the taste test were as follows: Forty-five percent of the subjects preferred soup with a salty taste and slightly salty taste. Most subjects preferred soup with a 0.31% concentration of sodium chloride. There were positive relationships between intensity and preference in 0.08%, 0.16%, and 0.31% concentrations, but there were negative relationships between intensity and preference in 0.63% and 1.25% concentrations (p<0.01). Upon examining a relationship between the taste assessment results and salty eating attitude scores, it was found that the subjects who preferred slightly salty and salty taste showed higher total scores in terms of habitual preference for/enjoyment of eating salty foods than the other groups. Comparing the taste test results with the subjects' stated preference, it was found that 70.3% of the subjects who were classified as preferring salty taste recognized this preference and 53.3% of the subjects who were classified into the population than tends to eat slightly salty food responded that they also tend to prefer a salty taste. Based on these results, this salty taste assessment study can be used as a practical and useful nutrition education tool for assessing and possibly reducing salt intake.
Keywords
salt; salty taste assessment tool; eating-attitude; validation.;
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