Table 1 Prototype e-liquid nicotine and acid composition. The amounts of benzoic and levulinic acid are relative to the lactic acid amount in the sample.

From: Assessing the impact of protonating acid combinations in e-cigarette liquids: a randomised, crossover study on nicotine pharmacokinetics

Producta

Nicotine

Lactic acid

Benzoic acid

Levulinic acid

EPOD2.0_VFB50_1VA

5%

1

0.0

0.0

EPOD2.0_VFB35_2VB

3.5%

1

1.3

0.0

EPOD2.0_VFB35_3VE

3.5%

1

2.0

1.0

EPOD2.0_VFB50_2VH

5%

1

0.9

0.0

EPOD2.0_VFB50_3VF

5%

1

0.7

1.7

EPOD2.0_VFB50_3VJ

5%

1

1.8

0.7

EPOD2.0_VFB50_2VI

5%

1

1.2

0.0

  1. aA non-commercial nectar flavour was used for all e-cigarette products.
Back to article page