Entry Name Deprotonated molecule HRMS MSn fragments
Exp. Δppm
1 Naringin C27H31O14- 579.1715 -1.1 459.1117 (C19H23O13-), 271.0593 (C15H11O5-), MS3: 165.0194 (C8H5O4-), 151.0038 (C7H3O4-),119.0503 (C8H7O-), 107.0140 (C6H3O2-)
2 Naringenin C15H11O5- 271.0606 -1.9 165.0189 (C8H5O4-), 151.0033 (C7H3O4-), 119.0498 (C8H7O-), 107.0136 (C6H3O2-)
3 4'-methoxynaringenin C16H13O5- 285.0767 -0.7 270.0519 (C15H10O5-) / 243.0650 (C14H11O4-) / 164.0108 (C8H4O4-) / 151.0030 (C7H3O4-) / 107.0134 (C6H3O2-)
4 4'-methoxynaringin C28H33O14- 593.1873 -0.5 285.0750 (C16H13O5-), MS3: 270.0536 (C15H10O5-) / 243.0665 (C14H11O4-) / 164.0118 (C8H4O4-) / 151.0037 (C7H3O4-) / 107.0140 (C6H3O2-)
5 Rhoifolin C27H29O14- 577.1560 -0.5 269.0435 (C15H9O5-)
6 Apigenin C15H9O5- 269.0453 -0.7 117.0341 (C8H5O-)
7 Methoxyapigenin C16H11O5- 283.0606 -2.1 HRMS fragments not detected
8 Acetylated naringin C29H33O15- 621.1818 0.2 579.1689 (C27H31O14-) / 561.1585 (C27H29O13-) / 501.1225 (C25H25O11-) / 271.0596 (C15H11O5-)
Table 2: HRMS Full Scan and MSn data for naringin (1) and biotransformation products (2-8)
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