Table 1.

Concentrations of chemical compounds detected in the mainstream smoke of HTPs using Tenax GR cartridge and CFP (μg/stick) (n = 3). n.d. means not determined

Compound (μg/stick)	IQOS		glo		ploom S		3R4F
	Regular	Menthol	Berry boost	Dark fresh	Regular taste	Menthol purple
Furans
Furfural	98 ± 16	1.7 ± 0.17	170 ± 8.4	180 ± 16	11 ± 0.49	2.0 ± 0.16	86 ± 22
2-Furanmethanol	15 ± 5.1	0.11 ± 0.010	34 ± 4.5	46 ± 5.6	2.4 ± 0.18	2.1 ± 0.11	4.2 ± 0.74
2(5H)-Furanone	3.0 ± 0.98	n.d.	12 ± 1.8	14 ± 1.1	1.4 ± 0.10	n.d.	6.6 ± 0.91
5-Methylfurfural	33 ± 6.8	0.35 ± 0.030	55 ± 4.3	70 ± 8.2	2.7 ± 0.17	1.0 ± 0.07	12 ± 2.3
Pyridines
Pyridine	5.2 ± 0.84	6.1 ± 0.85	2.7 ± 0.33	3.1 ± 0.20	0.75 ± 0.020	0.41 ± 0.02	33 ± 4.1
2,6-Dimethylpyridine	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	1.5 ± 0.28
2,5-Dimethylpyrazine	0.78 ± 0.013	0.010 ± 0.0	0.42 ± 0.030	0.53 ± 0.0	0.73 ± 0.020	0.22± 0.03	4.0 ± 0.62
2-Ethenylpyridine	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	0.59 ± 0.10
3-Ethylpyridine	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	1.4 ± 0.93
4-Ethenylpyridine	1.5 ± 0.30	0.67 ± 0.14	2.5 ± 0.26	0.94 ± 0.030	0.65 ± 0.010	1.1 ± 1.0	6.3 ± 1.4
3-Ethenylpyridine	0.50 ± 0.13	n.d.	0.15 ± 0.010	0.55 ± 0.080	0.31 ± 0.020	0.19 ± 0.060	3.7 ± 0.36
2,3,5-Trimethylpyrazine	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
Additives
Benzyl alcohol	0.30 ± 0.080	0.080 ± 0.010	0.62 ± 0.12	1.0 ± 0.050	0.22 ± 0.020	n.d.	4.2 ± 0.31
Linalool	0.52 ± 0.36	0.020 ± 0.0	13 ± 1.4	0.05 ± 0.010	0.020 ± 0.0	3.4 ± 0.18	0.12 ± 0.11
Menthol	2.5 ± 0.22	1100 ± 64	1700 ± 200	1500 ± 41	0.93 ± 0.18	720 ± 12	4.5 ± 3.9
4-Ethyl guaiacol	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	0.79 ± 0.090
Eugenol	n.d.	n.d.	n.d.	n.d.	n.d.	0.10 ± 0.01	n.d.
Others
Nicotine (mg/stick)	1.2 ± 0.059	1.3 ± 0.082	1.0 ± 0.0037	1.2 ± 0.022	0.7 ± 0.0	0.6 ± 0.0	1.8 ± 0.0
Water (mg/stick)	27 ± 7.7	26 ± 4.4	15 ± 1.0	17 ± 1.7	16 ± 0.3	18 ± 0.6	10 ± 2.3
Tar (mg/stick)	13 ± 3.0	10 ± 5.3	22 ± 2.4	18 ± 2.5	13 ± 8.5	12 ± 9.8	27 ± 1.8
Total (mg/stick)	42 ± 1.3	38 ± 0.42	38 ± 2.3	37 ± 2.8	30 ± 3.3	31 ± 3.3	49 ± 3.7