. 2022 May 12;10(5):1017. doi: 10.3390/microorganisms10051017

Table 2.

Precursor ions, identical product ions, fatty acid chain length, and fengycin types.

[M + H]⁺	[M + 2H]²⁺	Identical Product Ions	Fatty Acid	Surfactin
1449.7859	725.3967	1080.5, 966.5	15:0	Fengycin A
1463.8040	732.4052	1080.5, 966.5	16:0
1477.8178	739.4124	1080.5, 966.5	17:0
1491.8354	746.4210	1080.5, 966.5	18:0
1447.8081	724.4075	1080.5, 966.5	15:1
1461.8243	731.4156	1080.5, 966.5	16:1
1477.8164	739.4119	1108.5, 994.5	15:0	Fengycin B
1491.8343	746.4205	1108.5, 994.5	16:0
1505.8499	753.4281	1108.5, 994.5	17:0
1519.8665	760.4357	1108.5, 994.5	18:0
1461.8242	731.4160	1108.5, 994.5	14:1
1475.8339	738.4226	1108.5, 994.5	15:1