Fluorescence in candies caused by methyl anthranilate, a flavoring agent.
1979
Toyoda Masatake | Ito Yoshio | Iwaida Masahiro
Japan prohibits the use of fluorescent dyes in foods and carefully screens all imported foods to keep the dyes out. A fluorescent substance was detected in imported Brazilian fruit candy. Testing of the fluorescent substance showed the same reaction as fluorescent dyes, however, further testing showed the fluorescence to be derived from a grape flavor preparation added during production. Fluorescent spectra of both candy and grape flavor were very similar to methyl anthranilate. Methyl anthranilate levels were determined by gas chromatography; the additional level of the grape flavor was about 0.12%.
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