Determination and Difference Analysis of Phenolic Compounds in Smokers’ Saliva and Mainstream Smoke

Table 2

LODs, LOQs, RSDs, and recoveries for 12 analytes in saliva and mainstream smoke samples.

Compound	Saliva				Mainstream smoke
	RSD/% (n = 7)	LOD/(μg/L)	LOQ/(μg/L)	Recovery/% (n = 3)	RSD/% (n = 7)	LOD/(μg/cig)	LOQ/(μg/cig)	Recovery/%(n = 3)
Hydroquinone	1.9	3.0	10.0	110.7–119.0	2.8	0.05	0.16	97.2–112.01
Resorcinol	3.3	1.7	5.6	112.5–119.2	3.4	0.02	0.08	95.5–107.1
o-methylhydroquinone	1.6	5.8	19.1	85.1–100.9	2.1	0.08	0.26	88.1–103.2
Catechol	0.5	1.7	5.7	111.5–119.1	1.4	0.03	0.09	96.4–114.6
Phenol	2.6	0.7	2.2	104.7–119.0	2.9	0.01	0.04	93.8–117.0
(m, p)-Cresol	0.2	0.6	1.9	96.6–117.2	1.5	0.01	0.03	92.1–114.1
o-Cresol	1.3	0.7	2.2	98.2–115.4	1.8	0.01	0.04	94.2–107.4
2-methoxy-4-methylphenol	2.6	1.0	3.4	90.7–118.5	3.4	0.02	0.06	93.7–115.5
2,6-dimethylphenol	2.0	1.1	3.5	84.4–109.7	2.2	0.02	0.06	86.4–107.7
Phlorol	1.3	0.8	2.7	81.3–93.3	2.0	0.01	0.04	88.4–102.1
Eugenol	1.8	0.9	2.8	80.2–90.4	2.8	0.01	0.04	84.9–98.8