Investigations into Isoniazid Treated Mycobacterium tuberculosis by Electrospray Mass Spectrometry Reveals New Insights into Its Lipid Composition

Table 3

Molecular formula and its respective name of the lipids corresponding to the 5 observed m/z values out of 16, which were noted in both “control” and “INH-treated” samples, obtained from Mtb LipidDB (MS-LAMP).

S. No.	Observed m/z [M+H]+	Molecular formula	Scientific name	Category
1	415	C25 H50 O4	MG (RCO2H=22:0)	Glycerolipids (GL)
2	439	C29 H58 O2	Mycocerosic acid (C29)	Fatty Acyls (FA)
3	441	C28 H56 O3	Mycolipanolic acid (C28)	Fatty Acyls (FA)
4	598	C37 H72 O5	DG (R1CO2H+R2CO2H=34:0)	Glycerolipids (GL)
5	654	C41 H80 O5	DG (R1CO2H+R2CO2H=38:0)	Glycerolipids (GL)