Skip to main content

Table 3 [M-H], MS2, MS3, and MS4 data of non-acylated di-C-glycosyl flavones in Flickingeria fimbriata

From: Identification of C-glycosyl flavones by high performance liquid chromatography electrospray ionization mass spectrometry and quantification of five main C-glycosyl flavones in Flickingeria fimbriata

Peak No.

Rt (min)

Compounds

Molecular formula

[M-H] (m/z)

MS2 (m/z)a

MS3 (m/z)

MS4 (m/z)

− 120

− 90

− 60

[Ag-H+84]

[Ag-H+114]

[Ag-H+84]

[Ag-H+114]

[Ag-H+56]

[Ag-H+28]

[Ag-H+28-15]

1

17.70

Vicenin-II

C27H30O15

593

473 (100)

503 (31)

353 (60)

383 (31)

353 (100)

383 (12)

325 (75)

297 (100)

3

20.71

Vicenin-I

C26H28O14

563

443 (61)

473 (100)

503 (60)

353 (83)

383 (56)

353 (100)

383 (9)

325 (70)

297 (100)

4

22.10

Schaftoside

C26H28O14

563

443 (100)

473 (65)

503 (5)

353 (74)

383 (45)

353 (100)

383 (20)

325 (81)

297 (100)

5

22.53

Isoschaftoside

C26H28O14

563

443 (84)

473 (100)

503 (69)

353 (93)

383 (97)

353 (100)

383 (19)

325(58)

297 (100)

9

25.30

Vicenin-III

C26H28O14

563

443 (100)

473 (61)

503 (3)

353 (46)

383 (32)

353 (100)

383 (13)

325 (97)

297 (100)

2

19.15

Chrys-6,8-di-C-β-d-glu

C28H32O16

623

503 (100)

533 (18)

383 (68)

413 (30)

383 (100)

413 (28)

355 (29)

327 (8)

312 (100)

6

22.70

Chrys-6-C-β-d-xyl-8-C-β-d-glu

C27H30O15

593

473 (100)

503 (41)

533 (26)

383 (87)

413 (50)

383 (100)

413 (44)

355 (51)

327 (2)

312 (100)

7

23.72

Chrys-6-C-β-d-glu-8-C-α-l-ara

C27H30O15

593

473 (100)

503 (36)

533 (28)

383 (71)

413 (55)

383 (100)

413 (46)

355 (32)

327 (4)

312 (100)

8

24.65

Chrys-6-C-α-l-ara-8-C-β-d-glu

C27H30O15

593

473 (90)

503 (100)

533 (5)

383 (85)

413 (36)

383 (93)

413 (100)

355 (15)

327 (7)

312 (100)

10b

26.79

Chrys-6-C-β-d-glu-8-C-β-d-xyl

C27H30O15

593

473 (77)

503 (74)

533 (8)

383 (100)

413 (47)

383 (100, MS2)

413 (45, MS2)

355 (3, MS2)

327 (4, MS3)

312 (100, MS3)

  1. Main observed fragments. Other ions were found, but they have not been included
  2. Chrys chrysoeriol, glu glucose, ara arabinoside, xyl xyloside
  3. aAg: aglycone, apigenin (Ag = 270); chrysoeriol (Ag = 300)
  4. bMS2 and MS3 in bracket means the ions were obtained in MS2 and MS3, respectively