Peak

t_R (min)

Measured mass

MS/MS

Molecular formula

Error

(ppm)

Identified compound

a

4.57

285.0415 [M-H]^-

133.02

C₁₅H₁₀O₆

6.88

Luteolin

287.0607 [M + H]⁺

153.02

b

5.57

375.073 [M-H]^-

360.04,345.02,246.01,218.02

C₁₈H₁₆O₉

2.00

Limocitrol

c

7.08

269.0463 [M-H]^-

117.03

C₁₅H₁₀O₅

7.24

Apigenin

d

7.85

299.0577 [M-H]^-

284.03,256.03,

227.03

C₁₆H₁₂O₆

-5.31

Diosmetin

e

10.06

389.0885 [M-H]^-

374.05,359.03

C₁₉H₁₈O₉

-1.78

Trihydroxy tetramethoxy-flavonoid

f

12.01

359.0779 [M-H]^-

344.04,329.02

C₁₈H₁₆O₈

-1.84

Trihydroxy trimethoxy-flavonoid

g

16.45

373.0941 [M-H]^-

358.06,343.03

C₁₉H₁₈O₈

-3.24

Dihydroxy-tetramethoxy

flavonoid

h

17.58

373.094 [M-H]^-

358.06,343.04

C₁₉H₁₈O₈

-2.97

Dihydroxy tetramethoxy

flavonoid

i

17.83

403.1052 [M-H]^-

388.07,373.04

C₂₀H₂₀O₉

-4.33

Dihydroxy pentamethoxy flavonoid

405.1261 [M+ H]⁺

390.09,375.07

-20.00

^*

20.69

799.2355 [2M + Na]⁺

411.11

Unidentified

^*

21.40

859.2577 [2M + Na]⁺

441.12

Unidentified

^*

21.90

1083.731 [2M + Na]⁺

533.36

Unidentified