Characterization of odorants in inflatable aquatic toys and swimming learning devices-which substances are causative for the characteristic odor and potentially harmful?

Beitrag in einer Fachzeitschrift


Details zur Publikation

Autor(en): Wiedmer C, Velasco-Schön C, Büttner AK
Zeitschrift: Analytical and Bioanalytical Chemistry
Verlag: SPRINGER HEIDELBERG
Jahr der Veröffentlichung: 2017
Band: 409
Heftnummer: 16
Seitenbereich: 3905-3916
ISSN: 1618-2642


Abstract


Based on the observation of intense and offensive smells in the product group of aquatic toys, four representative products were exemplarily chosen and sensorially characterized by an expert panel. Panellists reported mostly almond- and rubber-like notes for three of the four samples, whereas the smell of the fourth sample was dominated by organic solvent-associated notes such as "nail polish-like." To elucidate the molecular reasons of these smells, we isolated the volatile fraction of the product by solvent extraction and high vacuum distillation, and identified the main odorants by aroma extract dilution analysis (AEDA), followed by one- and two-dimensional gas chromatography, with parallel mass spectrometric and olfactometric detection. Additionally, the materials of the samples were identified by means of differential scanning calorimetry (DSC), attenuated total reflectance spectroscopy (ATR-spectroscopy), and Beilstein halogen test. Between 32 and 46 odors could be detected in each sample by means of AEDA, whereby five to 13 of these compounds were detectable with by far the highest dilution factors, and were found to primarily correlate with the smells of the respective products. Focussing the subsequent identification on these causative substances led to the successful identification of the majority of these odorants. Among them were several mono- or di-unsaturated carbonyl compounds and their epoxidized derivatives, which are typical odorous artefacts from fatty acid oxidation, but also odor-active organic solvents such as cyclohexanone, isophorone, and phenol.



FAU-Autoren / FAU-Herausgeber

Büttner, Andrea Prof. Dr.
Professur für Aromaforschung
Wiedmer, Christoph
Professur für Aromaforschung


Autor(en) der externen Einrichtung(en)
Bayerisches Landesamt für Gesundheit und Lebensmittelsicherheit (LGL)


Zitierweisen

APA:
Wiedmer, C., Velasco-Schön, C., & Büttner, A.K. (2017). Characterization of odorants in inflatable aquatic toys and swimming learning devices-which substances are causative for the characteristic odor and potentially harmful? Analytical and Bioanalytical Chemistry, 409(16), 3905-3916. https://dx.doi.org/10.1007/s00216-017-0330-x

MLA:
Wiedmer, Christoph, Cristina Velasco-Schön, and Andrea Karin Büttner. "Characterization of odorants in inflatable aquatic toys and swimming learning devices-which substances are causative for the characteristic odor and potentially harmful?" Analytical and Bioanalytical Chemistry 409.16 (2017): 3905-3916.

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Zuletzt aktualisiert 2018-11-08 um 01:54