European Food Research and Technology

, Volume 221, Issue 3–4, pp 387–391 | Cite as

Texture evolution of “Amaretti” cookies during storage

  • Antonio PigaEmail author
  • Pasquale Catzeddu
  • Stefano Farris
  • Tonina Roggio
  • Annamaria Sanguinetti
  • Efisio Scano
Original Paper


The results of a study on texture evolution during 35 days of storage of “amaretti”, a typical Italian cookie, packaged in two different ways are reported. Amaretti cookies were wrapped in polyvinylchloride (PVC) film or aluminium foil (ALL), to simulate two different permeability conditions and stored at controlled temperature and humidity. Evolution of texture (such as hardness) and a w were tested instrumentally by a texture analyser and a hygrometer, respectively. Texture was assessed by a cut and puncturing test. Indices for hardening were the area under the curve (N mm) and gradient (N/mm) for the puncturing test and maximum force (N) for the cut test. Both textural tests showed significantly higher hardening of PVC cookies, compared to the ALL cookies. The latter retained good sensorial properties at the end of the storage period, although their internal structure changed from soft and moist to mealy, while the PVC cookies were no longer edible only 10 days after baking. a w values decreased and increased in PVC and ALL lots, respectively. The results suggest that hardening may be explained by water loss in PVC and moisture redistribution in ALL.


Cookies Hardening Structure Sugar crystallisation Texture analysis 



aluminium foil




equilibrium relative humidity



We wish to thank MIUR (decreto n. 1185, 20.12.2002) for financial support.


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Copyright information

© Springer-Verlag 2005

Authors and Affiliations

  • Antonio Piga
    • 1
    Email author
  • Pasquale Catzeddu
    • 2
  • Stefano Farris
    • 1
  • Tonina Roggio
    • 3
  • Annamaria Sanguinetti
    • 4
  • Efisio Scano
    • 5
  1. 1.Dipartimento di Scienze Ambientali Agrarie e Biotecnologie Agro-AlimentariSassariItaly
  2. 2.Porto Conte Ricerche Soc. Cons a r. l.Località TramariglioItaly
  3. 3.POLARIS, Parco scientifico e tecnologico della SardegnaLocalità TramariglioItaly
  4. 4.External collaboratorOzieri (SS)
  5. 5.ConsultantSanluri (Ca)Italy

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