Oxidative Medicine and Cellular Longevity / 2015 / Article / Tab 1

Research Article

Cardiac and Vascular Synergic Protective Effect of Olea europea L. Leaves and Hibiscus sabdariffa L. Flower Extracts

Table 1

UV absorption bands, mass spectrometry, and quantitative analysis of hibiscus acid and phenolic compounds in HSE and OEE.

Compound (nm)Mass spectrometry dataQuantitative data (mg g−1)
MW[M-H]Main fragmentsOEEHSE

Hibiscus acid1190189139.2 ± 0.47
Secoiridoids
 Hydroxyoleuropein2280556555539, 377, 1978.96 ± 0.42
 Elenolic acid glucoside224040423.65 ± 0.79
 Oleuropein2280540539377, 197215.1 ± 1.64
 Oleuropein isomer2280540523377, 19751.09 ± 0.35
 Ligstroside2280524523361, 19111.03 ± 0.04
Hydroxycinnamic acids
 Verbascoside3320624623461, 315, 1354.67 ± 0.44
Flavonols
 Rutin4345610609301, 1790.69 ± 0.06
Flavones
 Luteolin-7-O-rutinoside5345594593447, 2850.74 ± 0.04
 Luteolin-7-O-glucoside53454484472855.83 ± 0.24
 Luteolin-4-O-glucoside53454484472854.20 ± 0.12

Hibiscus acid and phenolic compounds quantified as: 1vanillic acid mg/g; 2oleuropein mg/g; 3verbascoside mg/g; 4rutin mg/g; 5apigenin mg/g. Values are means ± S.D. ().

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