Synthetic food dyes in electronic cigarettes

Introduction:
This article discusses the findings of a study that identified and quantified synthetic dye additives in electronic cigarette (e-cigarette) liquids. The study found that six randomly-chosen commercial e-liquids contained dyes such as Tartrazine, Brilliant Blue FCF, and allura Red aC, at concentrations comparable to those in colored foodstuffs. The key points and main message of the article are summarized below.

Key Points:

* The study found that synthetic dyes commonly used in food and drugs are present in e-cigarette liquids.
* The dyes found in e-liquids are generally recognized as safe for ingestion, but their inhalation toxicity is unknown.
* The use of food additives in e-liquids, including sweeteners, synthetic dyes, and related non-volatile additives, may increase their appeal and potential harm without enhancing their intended medicinal benefits.
* The packaging designs and pleasant aromas of e-liquids may be enticing to young people, contributing to a 1500% increase in e-liquid poisoning among children in recent years.
* The ongoing treatment of e-liquids as foodstuffs may pose substantive health risks to the nation's youth.
* The study did not determine e-cigarette flavoring compounds, but previous studies have identified numerous flavoring agents in e-cigarettes that appeal to younger users.
* The identity of the dyes used in e-liquids is not required to be disclosed on e-cigarette packaging, and aDI values for dye inhalation are not provided by the FDa.

Main Message:
The main message of the article is that the use of synthetic dyes and other food additives in e-cigarettes poses potential health risks to users, particularly young people. The study highlights the need for further research on the inhalation toxicity of these additives and the importance of regulating the e-cigarette industry to protect public health. The lack of transparency in e-cigarette labeling and the use of attractive packaging and flavors to appeal to young people are also concerning trends that warrant attention from regulators and policymakers.

Korzun, Tetiana, Ian Munhenzva, Jorge O. Escobedo, and Robert M. Strongin. “Synthetic Food Dyes in Electronic Cigarettes.” Dyes and Pigments 160 (January 2019): 509–13. https://doi.org/10.1016/j.dyepig.2018.08.043.