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The limits of ‘Generally Recognized As Safe’ classification for inhaled compounds in Electronic Nicotine Delivery Systems
ID Vinko, Luka (Author), ID Devetak, Iztok (Author), ID Saksida, Tine (Author), ID Kocmut, Tjaša (Author), ID Trebše, Polonca (Author), ID Bavcon Kralj, Mojca (Author)

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Abstract
Electronic Nicotine Delivery Systems (ENDS) liquids contain compounds deemed safe for ingestion “Generally Recognized As Safe” (GRAS), yet lack inhalation safety data, posing risks, especially to adolescents. This study analysed chemical discrepancies in ENDS via gas chromatography–mass spectrometry and surveyed Slovenian secondary students on nicotine use. Analysis revealed cytotoxic substances when inhaled and unlisted solvents, exposing a mismatch between labelled and actual content. Most adolescents who used ENDS focused only on nicotine percentage and largely ignored product composition, despite knowing nicotine is harmful. Findings stress the need for toxicological evaluation, clearer labelling, stricter regulation, and targeted youth education.

Language:English
Keywords:Electronic Nicotine Delivery Systems (ENDS), vapes, chemical analysis, questionnaire, school students, nicotine use patterns
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:PEF - Faculty of Education
Publication status:Published
Publication version:Version of Record
Year:2026
Number of pages:Str. 343-351
Numbering:Vol. 73, no. 2
PID:20.500.12556/RUL-184206 This link opens in a new window
UDC:54
ISSN on article:1580-3155
DOI:10.17344/acsi.2025.9528 This link opens in a new window
COBISS.SI-ID:283174147 This link opens in a new window
Publication date in RUL:02.07.2026
Views:190
Downloads:140
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Record is a part of a journal

Title:Acta chimica slovenica
Shortened title:Acta chim. slov.
Publisher:Slovensko kemijsko društvo, = Slovenian Chemical Society
ISSN:1580-3155
COBISS.SI-ID:21870085 This link opens in a new window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.

Secondary language

Language:Slovenian
Abstract:
Tekočine v elektronskih sistemih za dostavo nikotina (ENDS) vsebujejo spojine, ki veljajo za varne za zaužitje (»splošno priznane kot varne« oziroma GRAS), vendar primanjkuje podatkov o varnosti njihovega vdihavanja, kar predstavlja tveganje, zlasti za mladostnike. Ta študija je analizirala kemična odstopanja v ENDS s plinsko kromatografijo z masno spektrometrijo in anketirala slovenske srednješolce o uporabi nikotina. Analiza je razkrila citotoksične snovi pri vdihavanju in nenavedena topila, kar kaže na neskladje med označeno in dejansko vsebino. Večina mladostnikov, ki so uporabljali ENDS, se je osredotočala le na odstotek nikotina in v veliki meri zanemarjala sestavo izdelka, kljub vednosti, da je nikotin škodljiv. Ugotovitve poudarjajo potrebo po toksikološki oceni, jasnejšem označevanju, strožji regulaciji in ciljno usmerjenem izobraževanju mladih.

Keywords:elektronski sistemi, nikotin, mladostniki, uporaba, kemična analiza, kemija

Projects

Funder:ARIS - Slovenian Research and Innovation Agency
Project number:P5-0451
Name:Strategije vzgoje in izobraževanja za trajnostni razvoj ob uporabi inovativnih na učečega osredinjenih izobraževalnih pristopov

Funder:ARIS - Slovenian Research and Innovation Agency
Project number:P3-0388
Name:Mehanizmi varovanja zdravja

Funder:ARIS - Slovenian Research and Innovation Agency
Project number:802-12/2024-5
Name:Nanostructurome

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