Table 3.

Volatile compounds of isolates from sputum samples and reference M. tuberculosis, Nocardia spp., and Streptomyces spp.

Compounda	Microorganism tested (no. of isolates)
	Mycobacterium tuberculosis (35)	Rhodococcus isolate (2)	Staphylococcus isolate (2)	Candida isolate (2)	Nocardia asteroides (4)	Nocardia africana (6)	Streptomyces coelicolor (3)	Streptomyces antibioticus (3)	Streptomyces griseoflavus (4)
Dimethyl disulfide			X
Dimethyl trisulfide		X	X	X			X	X	X
Dimethyl tetrasulfide		X					X	X
Methyl methanethiosulfonate		X
2,3-Dimethyl-5-isopentylpyrazine		X	X	X
Unknown pyrazine		X	X	X
Camphor	X						X
Linalyl acetate							X
Isobornyl acetate			X
Aciphyllene					X	X
Unknown diterpenoid					X	X
2-Hydroxy-3-butanone							X	X	X
2-Hydroxy-3-pentanone	X						X	X	X
2,5-Dimethylthiopene								X	X
1-Hexanol	X								X
1-Octanol									X
4-Methyl-2-pentanone							X		X
4-Methylpent-3-en-2-one							X
γ-Methylbutyrolactone	X				X
2-Phenylethanol	X						X	X
Ethyl phenylacetate							X		X
Methyl phenylacetate*	X
Methyl nicotinate*	X
Methyl para-anisate*	X
ortho-Phenylanisole*	X

^a*, See Syhre and Chambers (33).