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Complaint Casebook Pudding Out-of-Odor

Last updated on March 6, 2025.

1.Overview

When I ate the purchased pudding, it smelled and tasted the disinfectant.

Photographs of the product subject to pudding
Target products

Photos of pudding complaints
Complaint items


2.Test Results

  • Appearance: The water was separated and the caramel part was watery. In addition, caramel penetrated the pudding part, the container swelled, and gas was generated.
  • pH: 6.6
  • Functional inspection: As a result of a functional test by eight people, seven people felt a chemical odor (cleosote odor), and astringency remained in their mouths.
  • GC-MS: Peaks of guayacol (2-metoxyphenol) and 2-ethoxyphenol were observed.
  • Bacterial test: The genus Bacillus was mainly detected.

3.Conclusion

It was presumed that the pudding was poorly stored and bacteria proliferated, and the fragrances of the pudding, vanillin and ethylvanine, were decomposed, producing guayacol (2-methoxyphenol) and 2-ethoxyphenol, resulting in a chemical odor.

4.Reference

After investigating the sales situation, it was sold next to the refrigerated display case (room temperature).

Published on March 8, 2007

Inquiries to this page

RIKEN, Medical Care Bureau Institute of Hygiene

Phone: 045-370-9451

Phone: 045-370-9451

Fax: 045-370-8462

E-Mail address [email protected]

Return to the previous page

Page ID: 865-867-261

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