Skip to main content
. 2021 Mar 10;26(6):1520. doi: 10.3390/molecules26061520

Table 1.

Mass spectral data and plausible identities of the chemical compounds from Epimedium plants by OLE–UHPLC–IT-TOF-MS.

No. tR (min) Molecular Formula [M–H] Error
(ppm)
MS/MS Esa Eko Epu Putative Identity
1 8.665 C21H20O13 479.0822 −1.88 317.0082[M–H–Glc] myricetin-3-O-glc
2 9.242 C21H20O13 463.0867 −3.23 301.0200[M–H–Glc];283.0111[M–H–Glc–H2O];255.0173[M–H–Glc–CO–H2O] quercetin-3-O-gal
3 9.283 C21H20O13 463.0872 −2.16 301.9988[M–H–Glc];273.0003[M–H–Glc–CO];254.9923[M–H–Glc–CO–H2O] quercetin-7-O-glc
4 9.353 C32H40O16 679.2232 −1.77 517.1674[M–H–Glc];355.1254[M–H–2Glc];337.1009[M–H–2Glc–H2O];327.1169[M–H–2Glc–CO];311.1223[M–H–2Glc–CO2];283.1262[M–H–2Glc–CO–CO2];219.0596[1,3A] - - dihydrodemethylicaritin-7-O-glc-glc
5 9.658 C32H38O16 677.2095 1.18 515.1480[M–H–Glc];369.0903[M–H–2Glc–Rha];219.0586[1,3A] - - 3′,4′-hydroxyicariine-3-O-rha-glc-7-O-glc
6 9.765 C32H38O16 677.2096 1.33 515.1478[M–H–Glc];353.0952[M–H–2Glc];323.0838[M–H–2Glc–CHO];297.0987[M–H–2Glc–CHO–C4H8] - demethylanhydroicaritin-3-O-glc-7-O-glc
7 10.182 C26H28O15 579.1359 0.69 301.1319[M–H–Glc–Xyl];283.0337[M–H–Glc–Xyl–H2O];255.0192[M–H–Glc–Xyl–H2O–CO];151.0047[1,3A] - quercetin-3-O-rha-xyl
8 10.640 C38H48O19 807.2696 −2.60 661.2279[M–H–Rha];645.2201[M–H–Glc];499.1581[M–H–Rha–Glc];353.0942[M–H–2Rha–Glc];323.0910[M–H–2Rha–Glc–CHO];297.0972[M–H–2Rha–Glc–C4H8] demethylanhydroicaritin-3-O-rha-rha-7-O-glc
9 10.747 C21H20O11 447.0934 0.22 285.0337[M–H–Glc];257.0192[M–H–Glc–CO] kaempferol-7-O-glc
10 10.865 C27H30O15 593.1499 −2.19 447.0937[M–H–Rha];301.0341[M–H–2Rha] - quercetin-3-O-rha-7-O-rha
11 10.918 C21H20O7 383.1168 8.35 237.0686[1,3A+H2O];219.0578[1,3A] - - aglycone
12 10.950 C38H48O20 823.2679 1.58 661.2143[M–H–Glc];515.1463[M–H–Glc–Rha];353.1012[M–H–2Glc–Rha];297.09658[M–H–2Glc–Rha–C4H8] ikarisoside C
13 11.313 C37H46O19 793.2564 0.38 631.1978[M–H–Glc];499.1496[M–H–Glc–Xyl];353.0946[M–H–Glc–Xyl–Rha];281.0386[M–H–Glc–Xyl–Rha–C5H12] - epimedoside E
14 11.463 C38H48O19 807.2707 −1.24 645.2193[M–H–Glc];499.1482[M–H–Glc–Rha];353.1007[M–H–Glc–2Rha];281.0442[M–H–Glc–2Rha–C5H12];219.0506[1,3A] demethylanhydroicaritin-3-O-rha(1-3)-rha-7-O-glc
15 11.538 C32H38O15 661.2146 1.21 515.1517[M–H–Glc];353.1037[M–H–Glc–Rha];323.0909[M–H–Glc–Rha–CHO] icarisoside B
16 11.998 C27H30O14 577.1564 0.17 431.0907[M–H–Rha];285.0330[M–H–2Rha];255.0225[M–H–2Rha–CH2O] kaempferol-3-O-rha-7-O-rha
17 12.158 C26H28O14 563.1407 0.18 431.0899[M–H–Xyl];285.0301[M–H–Xyl–Rha];255.0258[M–H–Xyl–Rha–CH2O] - kaempferol-7-O-rha-xyl
18 13.257 C21H20O10 431.0987 0.70 285.0394[M–H–Rha];255.0339[M–H–Rha–CH2O];227.0342[M–H–Rha–CH2O–CO];151.0028[1,3A] kaempferol-3-O-rha
19 13.707 C39H50O20 837.2842 2.27 675.2303[M–H–Glc];383.1121[M–H–Glc–2Rha];353.1037[M–H–Glc–2Rha–CH2O] 3′-hydroxyicariine-3-O-rha-rha-7-O-glc
20 14.038 C26H30O11 517.1719 0.77 355.1273[M–H–Glc];327.1228[M–H–Glc–CO];311.1286[M–H–Glc–CO2];283.1331[M–H–Glc–CO–CO2] - - dihydrodemethylicaritin-7-O-glc
21 14.070 C33H40O16 691.2255 1.59 545.1596[M–H–Rha];529.1649[M–H–Glc];383.1059[M–H–Glc–Rha] 3′-hydroxyicariine-3-O-rha-7-O-glc
* 22 14.770 C39H48O20 835.2676 1.20 691.2228[M–H–C6H8O4];545.1645[M–H–C6H8O4–Rha];383.1126[M–H–C6H8O4–Rha–Glc];312.0547[M–H–C6H8O4–Rha–Glc–C4H8–CH3·] - - 3′-hydroxyicariine-3-O- rha-C6H8O4-7-O-glc
* 23 14.958 C38H46O19 805.2588 3.35 661.2142[M–H–C6H8O4];515.1533[M–H–C6H8O4–Rha];353.1028[M–H–C6H8O4–Rha–Glc] demethylanhydroicaritin-3-O-rha-glc-C6H8O4
24 16.065 C39H50O20 837.2836 1.56 675.2288[M–H–Glc];529.1688[M–H–Glc–Rha];367.1177[M–H–2Glc–Rha];352.0950[M–H–2Glc–Rha–CH3·] hexandroside F
25 16.958 C42H52O22 907.2888 1.21 745.2351[M–H–Glc];703.2230[M–H–Glc(OAc)];515.1547[M–H–Glc(OAc)–Rha(OAc)];353.1024[M–H–Glc(OAc)–Rha(OAc)–Glc] - - demethylanhydroicaritin-3-O-rha(OAc)-glc(OAc)-7-O-glc
a 26 17.142 C39H50O20 837.2849 3.10 675.2307[M–H–Glc];367.1169[M–H–2Glc–Rha];352.0932[M–H–2Glc–Rha–CH3·];323.0905[M–H–2Glc–Rha–CH3·–CHO];311.0542[M–H–2Glc–Rha–C4H8] epimedium A
27 17.335 C33H40O15 675.2302 1.18 513.1752[M–H–Glc];367.1185[M–H–Glc–Rha];352.0942[M–H–Glc–Rha–CH3·];323.0921[M–H–Glc–Rha–CH3·–CHO];295.0614[M–H–Glc–Rha–CH3·–CHO–CO];279.1027[M–H–Glc–Rha–CH3·–CHO–CO–H2O] icariin isomer
28 17.752 C40H50O21 865.2784 1.39 703.2242[M–H–Glc];661.2138[M–H–Glc(OAc)];353.0939[M–H–Glc(OAc)–Glc–Rha];323.0908[M–H–Glc(OAc)–Glc–Rha–CHO·] - - demethylanhydroicaritin-3-O-rha-glc(OAc)-7-O-glc
29 17.848 C38H48O19 807.2736 2.35 645.2190[M–H–Glc];366.1096[M–H–Glc–Rha–Xyl–H·]·;351.0857[M–H–Glc–Rha–Xyl–CH3·–H·]·;323.0898[M–H–Glc–Rha–Xyl–CH3·–CO–H·]·;311.0558[M–H–Glc–Rha–Xyl–C4H8];295.0609[M–H–Glc–Rha–Xyl–CH3·–2CO–H·]·;279.1021[M–H–Glc–Rha–Xyl–CH3·–2CO–H2O–H·]·;219.0509[1,3A] - epimedin B isomer
30 17.998 C32H38O14 645.219 0.15 513.1758[M–H–Xyl];367.1173[M–H–Xyl–Rha];352.0929[M–H–Xyl–Rha–CH3·];323.0917[M–H–Xyl–Rha–CH3·–CHO];311.0557[M–H–Xyl–Rha–C4H8];295.0611[M–H–Xyl–Rha–CH3·–CHO–CO];279.1023[M–H–Xyl–Rha–CH3·–CHO–CO–H2O] sagittatoside B isomer
a 31 18.052 C38H48O19 807.2734 −4.70 645.2189[M–H–Glc];367.1151[M–H–Glc–Rha–Xyl];351.0858[M–H–Glc–Rha–Xyl–CH3·];323.0907[M–H–Glc–Rha–Xyl–CH3·–CHO];311.0539[M–H–Glc–Rha–Xyl–C4H8];295.0607[M–H–Glc–Rha–Xyl–CH3·–CHO–CO];279.1031[M–H–Glc–Rha–Xyl–CH3·–CHO–CO] epimedin B
a 32 18.293 C39H50O19 821.2897 −2.19 675.1032[M–H–Rha];659.2358[M–H–Glc];366.1093[M–H–Glc–2Rha–H·]·;351.0858[M–H–Glc–2Rha–CH3·–H·]·;323.0910[M–H–Glc–2Rha–CH3·–CO–H·]·;311.0543[M–H–Glc–2Rha–C4H8];295.0613[M–H–Glc–2Rha–CH3·–2CO–H·]·;268.0767[M–H–Glc–2Rha–CH3·–C4H8–C2H2O–H·]·;240.0981[M–H–Glc–2Rha–CH3·–C4H8–C2H2O–CO–H·]· epimedium C
33 18.405 C39H50O19 821.2874) −6.08 659.2367[M–H–Glc];366.1097[M–H–Glc–2Rha–H·]·;351.0857[M–H–Glc–2Rha–CH3·–H·]·;323.0905[M–H–Glc–2Rha–CH3·–CO–H·]·;311.0553[M–H–Glc–2Rha–C4H8];295.0606[M–H–Glc–2Rha–CH3·–2CO–H·]·;279.1015[M–H–Glc–2Rha–CH3·–2CO–H2O–H·]· hexandroside D
* 34 18.982 C39H48O19 819.2725 0.98 657.2186[M–H–Glc];513.1760[M–H–Glc–C6H8O4];367.1174[M–H–Glc–C6H8O4–Rha];323.0893[M–H–Glc–C6H8O4–Rha–CH3·–CO] anhydroicaritin-3-O-rha-C6H8O4-7-O-glc isomer
a 35 19.187 C33H40O15 721.2378 4.02 529.1713[M–H–Rha];513.1766[M–H–Glc];366.1077[M–H–Glc–Rha–H·]·;351.0839[M–H–Glc–Rha–CH3·–H·]·;323.0569[M–H–Glc–Rha·–CH3·–CO–H·]·;311.0534[M–H–Glc–Rha–C4H8] icariin
36 19.282 C41H52O21 879.2958 3.41 717.2405[M–H–Glc];675.2573[M–H–Glc–OAc];513.1764[M–H–2Glc–OAc];367.1182[M–H–2Glc–Rha(OAc)];349.1131[M–H–2Glc–Rha(OAc)–H2O] - - anhydroicaritin-3-O-rha(1-4OAc)-(1-3)glc-7-O-glc
37 19.528 C39H46O18 801.2631 2.5 639.2079[M–H–Glc];513.1766[M–H–Glc–3OAc];367.1184[M–H–Glc–Rha(3OAc)];352.0862[M–H–Glc–Rha(3OAc)–CH3·];323.0907[M–H–Glc–Rha(3OAc)–CH3·–CHO] - anhydroicaritin-3-O- glc-7-O-rha-3OAc
* 38 19.795 C39H48O19 819.2738 2.56 657.2188[M–H–Glc];513.1760[M–H–Glc–C6H8O4];367.1178[M–H–Glc–C6H8O4–Rha];352.0920[M–H–Glc–C6H8O4–Rha–CH3·] anhydroicaritin-3-O-rha-C6H8O4-7-O-glc
* 39 19.848 C39H48O19 865.2804 3.7 657.2187[M–H–Glc];513.1763[M–H–Glc–C6H8O4];367.1183[M–H–Glc–C6H8O4–Rha];352.0933[M–H–Glc–C6H8O4–Rha–CH3·];323.0902[M–H–Glc–C6H8O4–Rha–CH3·–CHO] anhydroicaritin-3-O-rha-7-O-rha-C6H8O4
* 40 20.105 C39H48O21 851.264 2.94 689.2095[M–H–Glc];513.1757[M–H–Glc–C6H8O6];367.1178[M–H–Glc–C6H8O6–Rha] - - anhydroicaritin-3-O-rha-C6H8O6-7-O-glc
41 20.672 C44H54O23 949.3009 2.74 787.2455[M–H–Glc];745.2338[M–H–Glc(OAc)];515.1537[M–H–Glc(OAc)–Rha(2OAc)];353.1026[M–H–Glc(OAc)–Rha(2OAc)–Glc] - - demethylanhydroicaritin-3-O-rha(2OAc)-glc(OAc)-7-O-glc
42 20.722 C32H38O16 677.2045 −6.2 515.1427[M–H–Glc];369.0838[M–H–Glc–Rha] - - 3′,4′-hydroxyicariine-7-O-rha-glc
* 43 20.758 C39H48O19 865.2811 4.51 657.2185[M–H–Glc];513.1768[M–H–Glc–C6H8O4];367.1188[M–H–Glc–C6H8O4–Rha] anhydroicaritin-3-O-rha-7-O-glc-C6H8O4
* 44 20.768 C39H48O21 851.2637 2.58 689.2068[M–H–Glc];513.1756[M–H–Glc–C6H8O6];367.1175[M–H–Glc–C6H8O6–Rha] - anhydroicaritin-3-O-glc-7-O-rha-C6H8O6
45 20.875 C35H42O16 717.2399 −0.14 513.1752[M–H–Glc(OAc)];367.1176[M–H–Glc(OAc)–Rha];352.0943[M–H–Glc(OAc)–Rha–CH3·];323.0902[M–H–Glc(OAc)–Rha–CH3·–CO];311.0559[M–H–Glc(OAc)–Rha–C4H8] - - anhydroicaritin-3-O-glc(OAc)-7-o-rha
46 20.928 C44H54O23 949.3003 2.11 787.2454[M–H–Glc];745.2341[M–H–Glc(OAc)];515.1541[M–H–Glc(OAc)–Rha(2OAc)];353.1022[M–H–Glc(OAc)–Rha(2OAc)–Glc] - - demethylanhydroicaritin-3-O-rha(2OAc)-glc(OAc)-7-O-glc
47 21.035 C39H50O19 821.2846 −3.4 659.1975[M–H–Glc];367.1174[M–H–Glc–Rha–Rha] epimedium C isomer
48 21.228 C39H48O20 835.2709 5.15 673.2146[M–H–Glc];529.1706[M–H–Glc–C6H8O4];367.1191[M–H–2Glc–C6H8O4];352.0939[M–H–2Glc–C6H8O4–CH3·] anhydroicaritin-3-O- glc-C6H9O4-glc
* 49 21.400 C39H48O19 819.2755 4.64 657.2186[M–H–Glc];513.1757[M–H–Glc–C6H8O4];367.1185[M–H–Glc–C6H8O4–Rha];352.0794[M–H–Glc–C6H8O4–Rha–CH3·];323.1232[M–H–Glc–C6H8O4–Rha–C3H7];311.0689[M–H–Glc–C6H8O4–Rha–C4H8];308.0608[M–H–Glc–C6H8O4–Rha–C3H7–CH3·] anhydroicaritin-3-O-rha-C6H8O4-7-O-glc
* 50 21.853 C39H48O19 819.2741 2.93 657.2186[M–H–Glc];513.1758[M–H–Glc–C6H8O4];367.1185[M–H–Glc–C6H8O4–Rha] anhydroicaritin-3-O-glc-7-O-rha-C6H8O4
51 21.945 C33H40O16 691.2246 0.29 545.1596[M–H–Rha];529.1678[M–H–Glc];383.1042[M–H–Glc–Rha] - - 3′-hydroxyicariine-3-O-glc-7-O-rha
52 22.318 C43H54O22 921.3065) 3.36 759.2501[M–H–Glc];717.2369[M–H–Glc(OAc)];367.1175[M–H–Glc(OAc)–Rha(OAc)–Glc];352.0932[M–H–Glc(OAc)–Rha(OAc)–Glc–CH3·];323.0888[M–H–Glc(OAc)–Rha(OAc)–Glc–CH3·–CHO] - - epimedokoreanoside I
53 22.565 C26H28O11 515.1556 −0.58 369.0957[M–H–Rha];219.0661[1,3A] - - 3′,4′-hydroxyicariine-3-O-rha
54 22.942 C32H38O15 661.2143 0.76 499.1478[M–H–Glc];353.1006[M–H–Glc–Rha];323.0909[M–H–Glc–Rha–CHO];297.0409[M–H–Glc–Rha–C4H8];281.0452[M–H–Glc–Rha–C5H12];255.0299[M–H–Glc–Rha–C5H12–CH2CO] icarisoside B isomer
55 23.198 C32H38O15 661.2163 3.78 529.1716[M–H–Xyl];383.1125[M–H–Xyl–Rha];313.0654[[M–H–Xyl–Rha–C4H7–CH3·];179.0703[0,3B] 3′-hydroxyicariine-3-O-rha-xyl
56 23.883 C26H28O11 515.1561 0.39 353.0991[M–H–Glc];323.0906[M–H–Glc–CHO];297.0969[M–H–Glc–Rha–C4H8] demethylanhydroicaritin-7-O-glc
57 24.155 C43H54O22 921.3052 1.95 759.2502[M–H–Glc];717.2382[M–H–Glc(OAc)];529.1704[M–H–Glc(OAc)–Rha(OAc)];367.1176[M–H–Glc(OAc)–Rha(OAc)–Glc];352.0936[M–H–Glc(OAc)–Rha(OAc)–Glc–CH3·];323.0905[M–H–Glc(OAc)–Rha(OAc)–Glc–CH3·–CHO] - - epimedokoreanoside I isomer
58 24.326 C40H50O20 849.2837 1.65 687.2276[M–H–Glc];555.2006[M–H–Glc–Xyl];513.1631[M–H–Glc–Xyl–OAc];367.1170[M–H–Glc–Xyl–Rha(OAc)] - - anhydroicaritin-3-O-rha(OAc)-xyl-7-O-glc
59 24.508 C43H54O22 921.3049 1.62 759.2512[M–H–Glc];367.1176[M–H–Glc(OAc)–Rha(OAc)–Glc];352.0945[M–H–Glc(OAc)–Rha(OAc)–Glc–CH3·];323.0888[M–H–Glc(OAc)–Rha(OAc)–Glc–CH3·–CHO] - - epimedokoreanoside I isomer
60 24.572 C40H50O20 849.2841 2.12 687.2276[M–H–Glc];513.0634[M–H–Glc–Xyl–OAc];367.1120[M–H–Glc–Xyl–Rha(OAc)] - - anhydroicaritin-3-O-rha-7-O-glc-xyl(OAc)
61 24.685 C31H36O14 631.2044 1.90 499.1482[M–H–Xyl];353.0961[M–H–Xyl–Rha];323.0914[M–H–Xyl–Rha–CHO·];281.0453[M–H–Xyl–Rha–C5H12];255.0293[M–H–Xyl–Rha–C5H12–CH2CO] demethylanhydroicaritin-3-O-rha(1-2)xyl
62 24.726 C32H38O14 645.22 1.70 499.1596[M–H–Rha];353.0993[M–H–2Rha];281.0448[M–H–2Rha–C5H12];255.0294[M–H–2Rha–C5H12–CH2CO] demethylanhydroicaritin-3-O-rha-(1-2)rha
63 24.845 C36H42O17 745.2363 1.88 583.1817[M–H–Glc];367.1188[M–H–Glc–Xyl(2OAc)];352.0941[M–H–Glc–Xyl(2OAc)–CH3·];323.0909[M–H–Glc–Xyl(2OAc)–CH3·–CHO] anhydroicaritin-3-O-xyl(2OAc)-7-O-glc
64 25.048 C32H38O14 645.2205 2.48 499.1587[M–H–Rha];353.0994[M–H–2Rha];323.0902[M–H–2Rha–CHO·];297.0967[M–H–2Rha–C4H8] demethylanhydroicaritin-3-O-rha-7-rha
65 25.133 C27H30O11 529.1720 0.94 383.1124[M–H–Rha];312.0632[M–H–Rha–C4H8–CH3·];297.0400[M–H–Rha–C3H7–CO–CH3·];296.0313[M–H–Rha–C3H7–2CO–CH3·] caohuoside C
66 25.152 C29H32O11 555.1856 −2.88 366.1094[M–H–Rha(OAc)–H·]·;351.0856[M–H–Rha(OAc)– CH3·–H·]· - - anhydroicaritin-3-O-rha(OAc)
67 25.315 C35H42O16 717.2381 −2.65 555.1867[M–H–Glc];529.1711[M–H–Rha(OAc)];367.1174[M–H–Glc–Rha(OAc)] - - anhydroicaritin-3-O-rha(OAc)-7-O-glc
68 25.337 C39H46O18 801.2628 2.12 759.2488[M–H–OAc];555.1848[M–H–Glc(2OAc)];367.1185[M–H–Glc(OAc)–Rha(OAc)];352.0937[M–H–Glc(OAc)–Rha(OAc)–CH3·];311.0547[M–H–Glc(OAc)–Rha(OAc)–C4H8] - - anhydroicaritin-3-O-rha(OAc)-glc(2OAc)
69 25.380 C45H56O23 963.3155 1.56 801.2606[M–H–Glc];759.2482[M–H–Glc(OAc)];367.1173[M–H–Glc(2OAc)–Rha(OAc)–Glc];352.0937[M–H–Glc(2OAc)–Rha(OAc)–Glc–CH3·] - - caohuoside B
70 26.192 C26H28O10 499.1603 −1.40 353.1030[M–H–Rha];297.0657[M–H–Rha–C4H8] icarisoside A
71 26.508 C45H56O23 963.3176 3.74 801.1617[M–H–Glc];759.2498[M–H–Glc(OAc)];367.1174[M–H–Glc(2OAc)–Rha(OAc)–Glc];352.0937[M–H–Glc(2OAc)–Rha(OAc)–Glc–CH3·] - - caohuoside A
72 26.555 C26H28O10 499.1625 3.01 353.1027[M–H–Rha];297.0652[M–H–Rha–C4H8] demethylanhydroicaritin-3-O-rha
73 26.972 C34H40O16 703.2242 −0.28 541.1032[M–H–Glc];499.1396[M–H–Glc–OAc];353.0995[M–H–Glc–Rha(OAc)] - - demethylanhydroicaritin-3-O-rha(OAc)-glc
74 27.065 C27H30O11 529.1715 0 383.1104[M–H–Rha];327.0467[M–H–Rha–C4H8];283.0258[M–H–Rha–C4H8–CO2] caohuoside C isomer
75 27.132 C26H28O11 515.1547 −2.33 353.1021[M–H–Glc];297.0472[M–H–Glc–C4H8] - demethylanhydroicaritin-7-O-glc
76 27.282 C45H56O23 963.3157 1.76 801.2633[M–H–Glc];759.2513[M–H–Glc(OAc)];529.1707[M–H–Glc(2OAc)–Rha(OAc)];367.1181[M–H–Glc(2OAc)–Rha(OAc)–Glc];352.0937[M–H–Glc(2OAc)–Rha(OAc)–Glc–CH3·];323.0921[M–H–Glc(2OAc)–Rha(OAc)–Glc–CH3·–CHO] - - korepimedoside B
77 27.528 C33H40O15 675.2314 2.96 513.1635[M–H–Glc];367.1178[M–H–Glc–Rha];352.0934[M–H–Glc–Rha–CH3·];323.0912[M–H–Glc–Rha–CH3·–CHO];311.0554[M–H–Glc–Rha–C4H8] icariin isomer
78 28.708 C27H30O11 529.1714 −0.19 367.1173[M–H–Glc];352.0933[M–H–Glc–CH3·];323.0905[M–H–Glc–CH3·–CHO] anhydroicaritin-3-O-glc
79 28.717 C33H40O14 659.2363 2.73 513.1637[M–H–Rha];366.1114[M–H–2Rha–H·]·;351.0875[M–H–2Rha–CH3·–H·]·;323.0919[M–H–2Rha–CH3·–CO–H·]·;311.0556[M–H–2Rha–C4H8];295.0607[M–H–2Rha–CH3·–2CO–H·]·;268.0367[M–H–2Rha–C4H8–C2H2O–H·]· 2″-O-rhamnosyl icariside II
80 28.732 C27H30O11 529.1712 −0.57 367.1176[M–H–Glc];352.0859[M–H–Glc–CH3·];323.0916[M–H–Glc–CH3·–CHO];311.0556[M–H–Glc–C4H8] anhydroicaritin-7-O-glc
81 28.847 C33H40O14 659.237 3.79 513.1598[M–H–Rha];366.1101[M–H–2Rha –H·]·;351.0661[M–H–2Rha–CH3·–H·]·;323.0914[M–H–2Rha–CH3·–CO–H·]·;311.0553[M–H–2Rha–C4H8];295.0605[M–H–2Rha–CH3·–2CO];268.0367[M–H–2Rha–C4H8–C2H2O –H·]· 2″-O-rhamnosyl icariside II isomer
82 29.093 C32H38O14 645.2207 2.79 366.1116[M–H–Xyl–Rha –H·]·;351.0877[M–H–Xyl–Rha–CH3·–H·]·;323.0918[M–H–Xyl–Rha–CH3·–CO–H·]·;311.0553[M–H–Xyl–Rha–C4H8];295.0611[M–H–Xyl–Rha–CH3·–2CO –H·]· sagittatoside B
83 29.232 C36H42O17 745.2359 1.34 703.2227[M–H–OAc];541.0365[M–H–Glc(OAc)];353.1022[M–H–Glc(OAc)–Rha(OAc)];325.1063[M–H–Glc(OAc)–Rha(OAc)–CO] - - demethylanhydroicaritin-3-O-rha(OAc)-glc(OAc)
84 29.705 C33H40O14 659.234 −0.76 513.1694[M–H–Rha];366.1096[M–H–2Rha –H·]·;351.0859[M–H–2Rha–CH3·–H·]·;323.0908[M–H–2Rha–CH3·–CO–H·]·;311.0550[M–H–2Rha–C4H8];295.0606[M–H–2Rha–CH3·–2CO –H·]· anhydroicaritin-3-O-rha-7-O-rha
85 30.048 C35H42O16 717.2426 3.63 675.2275[M–H–OAc];513.1716[M–H–Glc(OAc)];367.1175[M–H–Glc(OAc)–Rha];352.0931[M–H–Glc(OAc)–Rha–CH3·];323.0898[M–H–Glc(OAc)–Rha–CH3·–CHO];279.1010[M–H–Glc(OAc)–Rha–CH3·–CHO–CO2] - - anhydroicaritin-3-O-rha-glc(OAc)
a 86 31.183 C27H30O10 513.1783 3.31 366.1109[M–H–Rha–H·]·;351.0879[M–H–Rha–CH3·–H·]·;337.1072[M–H–Rha–CHO–H·]·;323.0927[M–H–Rha–CH3·–CO–H·]·;311.0558[M–H–Rha–C4H8];295.0609[M–H–Rha–CH3·–CO –H·]·;279.1022[M–H–Rha–CH3·–CO2 –H·]· baohuoside I or icariin II
87 31.378 C34H42O15 689.2446 −0.72 513.1742[M–H–Glc–CH2];367.1139[M–H–Glc–CH3·–Rha] anhydroicaritin-3-O-rha-glc-CH3
* 88 31.937 C33H38O14 657.2201 1.83 513.1760[M–H–C6H8O4];367.1179[M–H–C6H8O4–Rha];352.0932[M–H–C6H8O4–Rha–CH3·];323.0910[M–H–C6H8O4–Rha–CH3·–CHO] anhydroicaritin-3-O-rha-C6H8O4
89 32.025 C37H44O17 759.2529 3.03 555.2210[M–H–Glc(OAc)];367.1194[M–H–Glc(OAc)–Rha(OAc)];352.0946[M–H–Glc(OAc)–Rha(OAc)–CH3·];323.0914[M–H–Glc(OAc)–Rha(OAc)–CH3·–CHO];311.0554[M–H–Glc(OAc)–Rha(OAc)–C4H8] - - anhydroicaritin-3-O-rha(1-4OAc)-glc(1-4OAc)
90 32.535 C34H42O14 673.2502 0 513.1752[M–H–Rha–CH2];367.1139[M–H–Rha–CH2–Rha] anhydroicaritin-3-O-rha-CH3-rha
91 33.305 C20H18O6 353.1026 −1.42 337.0697[M–H–H2O];281.0246[M–H–H2O–C4H8];153.0164[1,3A–isopentenyl] - aglycone
92 33.432 C39H46O18 801.2636 3.12 759.2500[M–H–OAc];555.2135[M–H–Glc(2OAc)];367.1186[M–H–Glc(2OAc)–Rha(OAc)];352.0938[M–H–Glc(2OAc)–Rha(OAc)–CH3·];323.0909[M–H–Glc(2OAc)–Rha(OAc)–CH3·–CHO];311.0554[M–H–Glc(2OAc)–Rha(OAc)–C4H8];295.0608[M–H–Glc(2OAc)–Rha(OAc)–CH3·–2CO];279.1023[M–H–Glc(2OAc)–Rha(OAc)–CH3·–2CO–H2O] - - anhydroicaritin-3-O-rha(OAc)-glc(2OAc)
93 33.545 C35H42O16 717.2416 2.23 513.1721[M–H–Glc(OAc)];366.1093[M–H–Glc(OAc)–Rha –H·]·;351.0860[M–H–Glc(OAc)–Rha–CH3·–H·]·;323.0916[M–H–Glc(OAc)–Rha–CH3·–CO –H·]·;311.0552[M–H–Glc(OAc)–Rha–C4H8];295.0610[M–H–Glc(OAc)–Rha·–CH3·–2CO–H·]· - - anhydroicaritin-3-O-rha-glc(OAc)
94 33.655 C29H32O11 555.187 −0.36 366.1093[M–H–Glc(OAc)–H·]·;351.0853[M–H–Glc(OAc)–CH3·–H·]·;323.0912[M–H–Glc(OAc)–CH3·–CO –H·]·;311.0562[M–H–Glc(OAc)–C4H8] - anhydroicaritin-3-O-rha(OAc)
95 33.853 C39H46O18 801.2624 1.62 759.2450[M–H–OAc];555.2543[M–H–Glc(2OAc)];367.1176[M–H–Glc(2OAc)–Rha(OAc)];352.0938[M–H–Glc(2OAc)–Rha(OAc)–CH3·];323.0911352.0938[M–H–Glc(2OAc)–Rha(OAc)–CH3·–CHO];311.0554[M–H–Glc(2OAc)–Rha(OAc)–C4H8];295.0612[M–H–Glc(2OAc)–Rha(OAc)–CH3·–CHO–CO];279.1019[M–H–Glc(2OAc)–Rha(OAc)–CH3·–CHO–CO–H2O] - - anhydroicaritin-3-O-rha(OAc)-glc(2OAc)
96 35.245 C25H26O6 421.1663 1.42 365.1022[M–H–C4H8];309.0555[M–H–C4H8–C4H8];151.0031[1,3A–isopenteny] epimedokoreanin B
97 35.568 C21H20O6 367.1194 1.91 352.2177[M–H–CH3·];219.0614[1,3A] anhydroicaritin
98 35.975 C25H26O5 405.1714 1.72 349.1060[M–H–C4H8];293.0601[M–H–C4H8–C4H8] - - 4′,5,7-trihydroxy-5′,8-diisopentenylflavone or isomer
99 36.178 C25H26O5 405.171 0.74 349.1063[M–H–C4H8];293.0601[M–H–C4H8–C4H8] - - 4′,5,7-trihydroxy-5′,8-diisopentenyl-flavone or isomer

Note: a: consolidated with standard reference; *: neutral loss of 144 Da; Esa: Epimedium sagittatum (Sieb. et Zucc.) Maxim; Eko: Epimedium koreanum Nakai; Epu: Epimedium pubescens Maxim.