TABLE 2.

Surfactin homologues molecular masses and m/z values of pseudomolecular ions.

Homologue	Molecular mass [Da]	m/z for [M + H]+	m/z for [M + Na]+	m/z for [M + K]+
C12	993.5	994.5	1,016.5	1,032.5
C13	1,007.6	1,008.6	1,030.6	1,046.6
C14	1,021.6	1,022.6	1,044.6	1,060.6
C15	1,035.6	1,036.6	1,058.6	1,074.6