Effects of E-Cigarette Flavor Enhancing Capsules on Inhalable Aerosols.

Chem Res Toxicol

Department of Chemistry, Portland State University, Portland, Oregon 97207-0751, United States.

Published: January 2023

AI Article Synopsis

  • The study explores how adding crushable flavor capsules to e-cigarettes can enhance the flavor of inhaled aerosols, specifically using a product called Puff Krush.
  • Researchers used techniques like NMR and GC-MS to analyze the ingredients in these capsules and assess how well flavor compounds transfer into the aerosol during use.
  • Findings showed that while the medium chain triglycerides (MCTs) used in the capsules didn't appear in the aerosols, about 50% of the flavorants from Puff Krush successfully transferred into the aerosol upon vaping.

Article Abstract

The flavor of inhaled e-cigarette aerosols may be augmented using crushable flavor capsules added to e-cigarettes. For example, Puff Krush contains breakable flavor capsules in a sorbent material. The capsules are crushed, and then, aerosol passes through the saturated sorbent material before inhalation. Herein, we used NMR and GC-MS to identify the capsule medium chain triglyceride (MCT) solvent and flavorants in selected Puff Krush flavor capsules and then determined which molecules from the capsule transfer into aerosols. MCTs from the Puff Krush were not found in the aerosols, and ∼50% of Puff Krush flavorants transferred into the aerosol upon vaping.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10861141PMC
http://dx.doi.org/10.1021/acs.chemrestox.2c00273DOI Listing

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