| Titre : |
Chemical composition of electronic cigarette e-liquids : overview of current evidence of toxicity |
| Type de document : |
document électronique |
| Auteurs : |
A. Kulhanek, Auteur ; A. Bapitstova, Auteur |
| Année de publication : |
2020 |
| Importance : |
8 p. |
| Présentation : |
ill |
| Langues : |
Anglais (eng) |
| Catégories : |
[TABAC] chimie du tabac:constituant:alcaloïde:nicotine
[TABAC] chimie du tabac:tabac fumé:cigarette:cigarette électronique
[TABAC] tabagisme:effet du tabac:toxicité
|
| Mots-clés : |
aérosol
e-liquide |
| Index. décimale : |
TA 1.1.1 Cigarettes (« normales », électroniques, aromatisées,…) |
| Résumé : |
The term “electronic cigarette” includes
a broad range of different electronic devices with which to inhale aerosols. The e-liquid vaporisation process comprises a chain of several chemical reactions which result in hundreds of chemical compounds. The composition and concentration of chemicals contained in e-liquids or, more precisely, in the resulting aerosol,are difficult to identify and quantify. This review article includes a summary of current evidence about the toxicity of selected chemical substances contained in
electronic cigarette liquids. Forty initial sources were selected in online databases on the basis of a nonsystematic
literature review using a set of keywords.
This overview presents selected categories of e-liquid ingredients according to their functions and chemical composition. The most frequent substances include bulking agents (propylene glycol and glycerol). So far,the least-explored category consists of a wide range of flavourings. A separate category is represented by nicotine, the cause of the development of physical dependence. Another, highly diverse group of compounds is chemical substances formed as byproducts of vaporisation. Knowledge of the toxicity of e-cigarettes is essential to assessing the degree of associated risks, as well as to stablishing appropriate regulatory and public health measures. |
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