Table 1

- Liquid chromatography-electrospray ionization-quadrupole time-of-flight-mass spectrometry data of Ajwa extract in negative ionization modes.

CompoundsMolecular formulaRt. (min)m/zIon speciesError ppm
Flavonoid and their derivatives
Chrysoeriol hexosyl sulfateC22 H22 O14 S13.896541.065[M-H]--0.72
Chrysoeriol rhamnosyl hexosideC28 H32 O1514.25607.1658[M-H]--1.1
Dihydrokaempferol hexosideC21 H22 O114.243449.1083[M-H]--0.62
Isorhamnetin hexosideC22 H22 O1213.781477.1028[M-H]--1.17
Luteolin rhamnosyl hexosideC27H30O1512.656593.15032[M-H]-0.50
OrientinC21 H20 O1112.14447.0924[M-H]--0.91
TectoridinC22 H22 O1114.205461.1084[M-H]--0.52
Phenolic acid and their derivatives
Caffeoyl shikimic acidC16 H16 O83.488335.0771[M-H]--0.11
Caffeoyl shikimic acid hexosideC22 H26 O132.564497.1304[M-H]-0.35
Ferulic acidC10 H10 O47.61193.0501[M-H]--0.52
Fatty acid and their derivatives
Hydroxy octadecenoic acidC18 H34 O334.024297.2425[M-H]--1.12
Hydroxy octadecatrienoic acidC18 H30 O334.058293.2108[M-H]--1.36
Dihydroxy octadecanoic acidC18 H36 O441.476375.2738[M-H]--1.5
Dihydroxy octadecenoic acidC18 H34 O426.968313.2369[M-H]--1.6
Trihydroxy octadecenoic acidC18 H34 O520.303329.2329[M-H]--0.51
Sugar derivatives
GlucoseC6 H12 O60.697179.0558[M-H]--0.32
Gluconic acidC6 H12 O70.821195.0507[M-H]--0.17