Table 1 Chemical composition of VOC produced by P. gingivalis in artificial saliva detected using GCMS
No. | Retention time | CAS no | Name | Structure | Class | Proportion of odor (%)a |
|---|---|---|---|---|---|---|
1 | 1.00–4.60 | 7803-49-8 | Hydroxylamine |
| Nitrogen compounds (C-1) | 15 |
2 | 10.8 | 122-78-1 | Benzene acetaldehyde |
| Aldehydes (A2) | 2 |
3 | 11.9 | 1120-21-4 | Undecane |
| Alkanes (E) | 10 |
4 | 19.3 | 96-76-4 | 2,4-Di-tert-butylphenol |
| Phenyl compounds (B-1) | 15 |
5 | 22.9 | 19179-12-5 | 1,4-Dioxoperhydropyrrolo[1,2-a-pyrazine |
| Nitrogen compounds (C-2) | 15 |
6 | 24.3 | 84-69-5 | Diisobutyl phthalate |
| Phenyl compounds (B-2) | 1 |
7 | 24.9 | 5129-60-2 | Methyl 14-methylpentadecanoate |
| Esters (A5-1) | 2 |
8 | 24.97 | 112-39-0 | Methyl hexadecanoate |
| Esters (A5-2) | 2 |
9 | 25 | 866-54-6 | 3-bromo-5-chloro-1-tosyl-1H-pyrrolo[2,3-b]pyridine |
| Sulfur-containing compounds (D) | 15 |
10 | 25 | 2416-20-8 | Hexadecenoic acid |
| Carboxylic acids (A4-1) | 1 |
11 | 25.4 | 57-10-3 | Hexadecanoic acid |
| Carboxylic acids (A4-2) | 1 |
12 | 27 | 1937-62-8 | Methyl elaidate |
| Esters (A5-3) | 2 |
13 | 27.34 | 112-61-8 | Methyl stearate |
| Esters (A5-4) | 2 |
14 | 27.5 | 112-79-8 | Elaidic acid |
| Carboxylic acids (A4-3) | 1 |
15 | 27.7 | 57-11-4 | Stearic acid |
| Carboxylic acids (A4-4) | 1 |
16 | 29 | 10436-09-6 | trans-13-docosenamide |
| Nitrogen compounds (C-3) | 15 |
