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. 2026 May 8;33(16):7933–7953. doi: 10.1007/s11356-026-37791-z

Table 4.

Putative euglenophycine peaks reported per formula, using the Find by Formula Algoritm in MassHunter Qualitative Analysis Software

Sample name Compound number Formula RT Area Experimental
m/z
Theoretical
m/z
Ions Score
(Tgt)
Diff
(Tgt, ppm)
Cells pellet 1 4 [C20H35NO+H]⁺ 6.49 378,787 306.2793 306.2791 9 96.56 −0.01
5 [C20H35NO+NH4]⁺ 6.29 946,213 323.3058 323.3057 7 98.89 0.70
6 [C20H35NO+NH4]⁺ 6.20 207,120 323.3058 323.3057 7 99.83 0.38
Cells pellet 2 4 [C20H35NO+H]⁺ 6.48 190,318 306.2791 306.2791 6 93.14 −0.04
5 [C20H35NO+NH4]⁺ 6.30 506,951 323.3058 323.3057 4 98.90 0.93
6 [C20H35NO+NH4]⁺ 6.21 961,572 323.3059 323.3057 6 99.33 0.71
Cells pellet 3 4 [C20H35NO+H]⁺ 6.47 332,503 306.2792 306.2791 7 95.67 0.40
5 [C20H35NO+NH4]⁺ 6.31 401,731 323.3058 323.3057 6 97.43 0.82
6 [C20H35NO+NH4]⁺ 6.21 881,561 323.3059 323.3057 4 99.13 0.61
Cells pellet 4 4 [C20H35NO+H]⁺ 6.47 262,557 306.2795 306.2791 8 99.22 1.03
5 [C20H35NO+NH4]⁺ 6.30 232,570 323.3061 323.3057 3 97.99 1.45
6 [C20H35NO+NH4]⁺ 6.21 741,910 323.3062 323.3057 4 98.00 1.83