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Table 2 Metabolites identified from the n-butanol fraction of T. nilotica flowers based on NMR and GNP analysis. No. = numbers of identified metabolites, Rt= retention time in mins, MF = molecular formula, ID = name of identified compounds, Ref. = references of identified compounds

From: Chemical profiling and cytotoxic potential of the n-butanol fraction of Tamarix nilotica flowers

No.

Rt

[M + H]+

MF

Fragmentation

ID

Ref.

1.

2.27

146.09

C6H11NO3

127.92, 99.91

Hydroxyproline; N-Me

[76]

2.

2.35

277.19

C13H8O7

259.04, 185.00, 144.75, 114.94

Urolithin M5

[77]

3.

3.11

132.19

C5H9NO3

113.94, 99.92, 85.93

Hydroxyproline

[76]

4.

3.14

333.11

C18H20O6

315.00, 297.08, 252.98, 240.06

Tamarixoic acid

[35]

5.

5.38

166.07

C9H8O3

148.98, 119.9361

Coumaric acid

[34]

6.

14.90

160.19

C7H13NO3

142.99, 114.00, 86.91

Hydroxyproline; N,N-Di-Me/ betaine

[76]

7.

15.86

238.32

C13H19NO3

221.02, 135.97

Tyrosine butyl ester

GNPS

8.

16.11

635.43

C27H22O18

617.02, 465.08, 302.96

Gemin D

[60]

9.

16.72

222.34

C13H19NO2

204.97, 165.93, 119.98

Phenylalanine, butyl ester

GNPS

10.

17.03

464.25

C21H22O12

446.13, 301.00, 287.98

Kaempferide-O-hexoside

[78]

11.

17.07

463.28

C22H22O12

286.97, 150.98

Kaempferol-O-glucuronide

[79]

12.

17.21

171.33

C7H6O5

163.77, 152.97, 122.88

Gallic acid

[80]

13.

17.30

195.24

C10H10O4

177.05

Ferulic acid

[80]

14.

18.87

257.31

C16H32O2

239.02, 174.9, 92.92

Palmitic acid

GNPS

15.

18.93

337.35

 -

319.12, 301.144, 283.20, 259.17, 149.05

Myricetin derivative

[81]

16.

19.00

287.62

C15H10O6

269.01, 240.96, 213.06, 188.02, 152.97

Kaempferol

[72]

17.

19.54

511.27

 -

493.07, 387.08, 303.04, 317.02, 152.93

Tamaridone-O-hexoside derivative

[82]

18.

19.83

345.49

C18H16O7

237.17, 289.00, 270.90, 242.97, 152.95

Dihydroxy-trimethoxyflavone/ Herbacetin-trimethyl ether

[83]

19.

19.97

209.28

C10H8O5

177.04

Trihydroxy-methylcoumarin.

[84]

20.

20.23

317.40

C16H12O7

301.96, 270.98, 164.98

O-Methylquercetin (Tamarixetin)

[78]

21.

20.81

495.31

 -

477.08, 463.05, 300.99, 286.98, 152.99

Kaempferide-O-hexoside derivative

[85]

22.

21.03

496.37

 -

478.08, 301.98, 153.04

quercetin derivative

[85]

23.

21.36

339.47

C15H14O7S

321.19, 303.22, 285.13, 251.15, 207.12

Trihydroxyflavan 7-Sulfate

[86]

24.

21.78

181.27

C9H8O4

162.98, 134.96

Caffeic acid

[34]

25.

21.79

283.36

C18H34O2

265.13, 248.13

Oleic acid

GNPS

26.

22.20

305.56

C15H12O7

287.08, 269.11, 259.10, 213.15

Dihydro-quercetin

[87]

27.

22.23

302.30

C15H10O7

286.97, 272.99, 228.09, 152.93, 138.89

Quercetin

[72]

28.

22.75

301.41

C16H12O6

285.97, 271.98, 227.01, 18,806, 152.90, 138.91

Kaempferide

[78]

29.

22.78

509.39

 -

477.08, 315.00, 301.00, 166.95

Kaempferol 4’,7-dimethyl ether-O-hexoside derivative

[88]

30.

22.92

331.41

C17H14O7

315.99, 299.02, 275.03, 178.95, 152.96

Tamaridone/ quercetin- dimethyl ether

[34]

31.

24.60

321.46

C15H12O8

303.16, 285.19, 247.03, 222.05, 174.10

Dihydromyricetin

[89]

32.

25.38

315.26

C17H14O6

300.00, 285.99, 272.02, 152.90

Kaempferol 4’,7-dimethyl ether

[34]

33.

25.39

316.41

 

301.01, 287.12, 273.02, 152.97

Quercetin derivative

[90]

34.

27.00

282.28

C18H35NO

265.13, 247.13

Octadecenamide

GNPS

35.

28.16

429.62

 -

317.06, 301.13, 270.21, 169.04

Tamarixetin derivative

[30]