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. 2019 Oct 1;9(6):414–422. doi: 10.1016/j.jpha.2019.09.007

Table 1.

LC-Q-Tof-MSe data for Boswellia serrata gum resin extract (methanolic).

S No Retention time (min) HRMS
Error (Δppm) Fragment ions Fragments formula [M − H]- λmax (nm) Name of the compound (Putatively identified)
m/z Formula [M − H]-
1 3.20 469.3316 C30H45O4 −0.4 407.3308 C29H43O 250.42 Keto boswellic acid
391.3000 C28H39O
353.2880 C25H37O
339.2719 C24H35O
271.2066 C19H27O
231.1762 C16H23O
2 6.13 511.3420 C32H47O5 −0.6 485.3627 C31H49O4 228.42 3-O-Acetyl 11-keto β-boswellic acid
467.3571 C31H47O3
439.3624 C30H47O2
3 8.41 455.3521 C30H47O3 −0.9 437.3412 C30H45O2 225.42 ɑ-Boswellic acid
409.3462 C29H45O
361.2930 C27H37
233.1931 C16H25O
4 8.91 455.3527 C30H47O3 0.4 409.3466 C29H45O 225.42 β-Boswellic acid
367.3059 C26H39O
361.2906 C27H37
283.2123 C20H27O
233.1919 C16H25O
5 12.30 497.3637 C32H49O4 1.2 423.3326 C29H43O2 226.42 3-O-Acetyl-ɑ-boswellic acid
6 12.79 497.3633 C32H49O4 0.4 439.3222 C29H43O3 226.42 3-O-Acetyl-β-boswellic acid
423.3318 C29H43O2
285.1173 C17H17O4
233.1944 C16H25O
7 3.42 513.3595 C32H49O5 2.9 487.3420 C30H47O5 190.42, 226.42 Unknown
443.3571 C29H47O3
415.3665 C28H47O2
371.2997 C25H39O2
249.1881 C16H25O2
235.1749 C15H23O2
209.1549 C13H21O2
8 4.60 471.3480 C30H47O4 1.3 409.3516 C29H45O 225.42 11-hydroxy-boswellic acid (new)
393.3176 C28H41O
377.2855 C27H37O
253.1658 C18H21O
233.1917 C16H25O
9 5.93 455.3523 C30H47O3 −0.4 425.3062 C28H41O3 191.42, 226.42 3-hydroxytirucallic acid isomer
373.2748 C24H37O3
339.2690 C24H35O
10 6.49 455.3523 C30H47O3 −0.4 373.2744 C24H37O3 224.42 3-hydroxytirucallic acid isomer
355.2648 C24H35O2
341.2894 C24H37O
339.2757 C24H35O
269.1953 C19H25O
11 6.95 453.3361 C30H45O3 −1.8 371.2587 C24H35O3 190.42, 222.42 3-oxo-tirucallic acid
353.2510 C24H33O2
339.2696 C24H35O
309.2245 C22H29O
269.1947 C19H25O
255.1791 C18H23O
12 7.27 455.3531 C30H47O3 1.5 373.2746 C24H37O3 224.42 3-hydroxytirucallic acid isomer
355.2758 C24H35O2
341.2864 C24H37O
281.2542 C18H33O2
13 8.67 485.3637 C31H49O4 1.2 441.3382 C29H45O3 225.42 Unknown
397.3553 C28H45O
381.3212 C27H41O
365.2928 C26H37O
337.3018 C25H37
229.1437 C12H21O4
14 9.21 497.3635 C32H49O4 1.1 437.3427 C30H45O2 225.42 3-O-acetoxy tirucallic acid isomer
415.2854 C26H39O4
397.2770 C26H37O3
355.2649 C24H35O2
15 9.80 497.3636 C32H49O4 1.0 437.3431 C30H45O2 225.42 3-O-acetoxy tirucallic acid isomer
415.2856 C26H39O4
397.2798 C26H37O3
355.2671 C24H35O2
16 11.45 455.3527 C30H47O3 0.4 437.3432 C30H45O2 226.42 3-hydroxytirucallic acid isomer
409.3477 C29H45O
377.3214 C28H41
361.2947 C27H37
237.1601 C18H21
175.1109 C12H15O