Abstract:The
presence and toxicological risks of synthetic coolants in electronic
nicotine delivery systems (ENDS) have not been thoroughly studied.
We identified the synthetic coolant menthone 1,2-glycerol ketal (MGK)
in a menthol-flavored e-liquid at a concentration of ∼170 μg/mL.
We also detected MGK in aerosols resulting from heating the e-liquid
with an electronic waterpipe. MGK was initially detected in the e-liquid
by two-dimensional gas chromatography–time-of-flight mass spectrometry.
To avoid potential analyti… Show more
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