The purpose was to measure nicotine levels to the tobacco and levels
emitted to the aerosol of a heat-not-burn product (HnB, IQOS) compared
to e-cigarettes (ECs) and a tobacco cigarette.To get more news about Hitaste, you can visit hitaste.net official website.
The HnB device and regular and menthol sticks were purchased from Italy.
Three types of ECs (ciga-like, eGo-style, and variable wattage) and a
commercially-available tobacco cigarette were also tested. A custom-made
liquid containing 2% nicotine was used with ECs. Products were tested
using Health Canada Intense puffing regime while HnB and ECs were
additionally tested using a 4-second puff duration regime while
maintaining the same puff volume.
Nicotine content in HnB regular and menthol tobacco sticks was 15.2 ±
1.1 mg/g and 15.6 ± 1.7 mg/g tobacco respectively. The levels of
nicotine to the aerosol were similar for regular and menthol HnB
products (1.40 ± 0.16 and 1.38 ± 0.11 mg/12 puffs respectively) and did
not change significantly with prolonged puff duration. The tobacco
cigarette delivered the highest level of nicotine (1.99 ± 0.20
mg/cigarette), with levels being higher than HnB and ECs under Health
Canada Intense regime but similar to eGo-style and variable wattage ECs
at prolonged puff duration regime.
The HnB product delivers nicotine to the aerosol at levels higher than
ECs but lower than a tobacco cigarette when tested using Health Canada
Intense puffing regime. No change in HnB nicotine delivery was observed
at prolonged puff duration with the same puff volume, unlike ECs which
deliver more nicotine with longer puff duration.
Nicotine delivery to the smoker is expected to play an important role in
the ability of any harm-reduction product to successfully substitute
smoking. This study evaluated the content and nicotine delivery to the
aerosol of a heat-not-burn tobacco product (IQOS) in comparison with
e-cigarettes and a tobacco cigarette. The main findings were that the
heat-not-burn tobacco sticks contained similar nicotine concentration to
tobacco cigarettes, and that the levels of nicotine delivered to the
aerosol of the heat-not-burn products were lower than tobacco cigarette,
higher than e-cigarettes at low puff duration but lower than high-power
e-cigarettes at longer puff duration.