. 2021 Apr 23;42:100887. doi: 10.1016/j.nmni.2021.100887

Table 1.

Malodourous compounds known as volatile sulphur compounds (VSCs), source and bacterial species

VSCs	Source	Bacterial species
H2S	Serum	Prevotella intermedia Prevotella loescheii Porphyromonas gingivalis
H2S	Cysteine	Peptostreptococcus anaerobius Micros prevotii Eubacterium limosum Bacteroides spp. Centipedia periodontii Selenomonas artemidis
CH₃SH	Serum	Porphyromonas gingivalis Treponema denticola Porphyromonas endodontalis
CH₃SH	Methionine	Fusobacterium nucleatum Fusobacterium periodonticum Eubacterium spp. Bacteroides spp.