Table 2.

Chemical Concentration in a Sample of 50 Flavor Capsules From Mexico and Guatemala City, 2021

			Concentration measured (mg/mL)
Compound	Number of capsules with compound (n = 50)	LLOQ (mg/mL)	Minimum	Maximum	Mean (SD)
L-menthol	50	0.08	6.74	374.85	192.2(77.65)
DL-limonene	37	0.08	0.1	35.45	5.82 (7.14)
Eucalyptol	33	0.08	0.08	9.87	4.21 (3.72)
Benzyl alcohol	21	0.02	0.02	18.8	2.25 (5.75)
(+)Pulegone	13	0.08	0.09	1.03	0.45 (0.34)
Triacetin	8	0.08	0.08	0.16	0.10 (0.02)
Vanillin	6	0.63	0.83	11.92	4.17 (5.13)
Ethyl maltol	5	0.63	2.78	7.34	5.13 (2.08)
Trans-Cinnamaldehyde	4	0.16	3.56	3.75	3.64 (0.08)
Benzaldehyde	3	0.04	0.29	0.61	0.48 (0.16)
Eugenol	2	0.04	0.04	0.05	0.04 (0.004)
Ethyl vanillin	2	0.31	10.85	17.18	14.01 (4.47)
Nicotine	11	0.039	0.018+	0.058	0.031(0.012)

LLOQ = lower limit of quantification.

⁺Values below LLOQ are considered estimated.