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European Food Research and Technology

, Volume 244, Issue 3, pp 433–439 | Cite as

Non-intentionally added substances in PET bottled mineral water during the shelf-life

  • Fabrizio Cincotta
  • Antonella Verzera
  • Gianluca Tripodi
  • Concetta CondursoEmail author
Original Paper

Abstract

A rapid and simple HS-SPME–GC–MS method was developed and applied to investigate the effect of the storage time on the release of not intentionally added substances (NIAS) in PET bottled mineral water. The method, validated in terms of linearity, precision, detection, and quantification limits, resulted highly reproducible with limits of detection ranging between 0.05 and 0.17 µg/L. Saturated and 2-unsaturated aliphatic aldehydes, ketones, aliphatic and aromatic hydrocarbon, terpenes, and phthalates were identified and quantified, most of them for the first time in PET bottled mineral water. The levels of the identified NIAS showed statistically significant increases during the shelf-life. Decanal and nonanal were the most abundant compounds identified with levels increasing from 1.42 to 5.07 µg/L and from 0.61 to 1.25 µg/L, respectively. Considering the identified substances, a migration not only from packaging materials but also from the closure caps and adhesive used for sticking the bottle labels may be plausible. Due to the growing popularity of bottled water consumption, the determination of NIAS in mineral water is becoming a top priority. In this context, the method, here developed, could be of great importance not only to assure the safety of bottled mineral water but also to guarantee the sensory quality during the shelf-life.

Keywords

Mineral water PET NIAS Aliphatic aldehydes Phthalates Shelf-life 

Notes

Compliance with ethical standards

Conflict of interest

Fabrizio Cincotta, Antonella Verzera, Gianluca Tripodi, and Concetta Condurso declare that they have no conflict of interest.

Ethical approval

This article does not contain any studies with human participants or animals performed by any of the authors.

Informed consent

Not applicable.

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Copyright information

© Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  1. 1.Department of Veterinary SciencesUniversity of Messina, Polo Universitario dell’AnnunziataMessinaItaly
  2. 2.Department of Chemical, Biological, Pharmaceutical and Environmental SciencesUniversity of MessinaMessinaItaly

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