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. 2020 Dec 3;10:21127. doi: 10.1038/s41598-020-78014-w

Table 2.

Qualitative LC–MS analysis of BcH and BcS.

No Rt
min
Negative mode
m/z
Positive mode
m/z
Tentatively identified compound
1 3.00 177, 257, 369 - Bacopaside A derivatives
2 3.81 1101, 1137, 1147 455, 487, 617, 779, 911 j diglc-arab-acetylpentoside
3 3.96 133, 285 287 Luteolin(s)
4 4.70 877, 1071, 1107, 1117 455, 909, 1095 j diglc-arab-acetylpentoside
5 5.92 269 271 Apigenin(s)
6 8.49 795, 927, 963, 973 455, 617, 779, 911, Bacoside A3(s)
7 8.81 795, 927, 963, 973 455, 617, 779, 911, Bacopaside II(s)
8 10.53 897, 933, 943, 993 455, 587, 749, 881, 921, 944 Bacopaside X(s)
9 11.15 897, 933, 943 473, 605, 767, 921 Bacopasaponin C(s)
10 11.51 897, 933, 943 473, 605, 767 Bacopasaponin C isomer(s)
11 12.02 n.d 274 Imino diethanol
12 12.30 795, 831, 1149 455, 617, 779, 797 Unknown
13 13.53 765, 801, 811 455, 587, 749 Bacopaside IV or V
14 14.12 845 473, 605, 767 Bacopasaponin D
15 14.60 n.d 455, 635 Unknown
16 14.81 963, 1059, 1095 455, 605, 737 Bacoside derivatives
17 16.61 n.d 473, 587 Unknown
18 16.72 n.d 605 Unknown
19 17.76 909, 945 455, 617, 911 Bacoside A6 isomer
20 18.15 909, 945 455, 617, 911 Bacoside A6 isomer
21 18.23 453, 488, 915, 925 881 Deoxy-p-ara-glc-ara isomer
22 18.54 n.d 445, 490 Unknown
23 18.72 453, 488, 915, 925 881 Deoxy-p-ara-glc-ara isomer
24 21.97 n.d 386, 455 Unknown
25 22.23 n.d 386, 473 Unknown

j-jujubogenin; p-pseudojujubogenin ara-arabinose; glc-glucose; (s)—reference substance; bolded—peak with the highest abundance; n.d. not detected.