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

Table 1

Wavelengths for fluorescence detection.

No.	Compound	Maximum excitation wavelength (nm)	Maximum emission wavelength (nm)	Selected excitation wavelength (nm)	Selected emission wavelength (nm)	Retentiontime (min)
1	Hydroquinone	295	325	295	325	1.60
2	Resorcinol	273	302	272	300	2.41
3	o-methylhydroquinone	295	325	295	325	2.65
4	Catechol	274	310	275	310	3.25
5	Phenol	271	297	272	300	5.38
6	(m, p)-Cresol	276	305	275	310	8.36
7	o-Cresol	272	298	272	300	8.59
8	2-methoxy-4-methylphenol	278	312	275	310	9.32
9	2,6-dimethylphenol	270	298	272	300	11.37
10	Phlorol	272	299	272	300	11.89
11	Eugenol	278	310	275	310	13.68