Table 3
Determination of phenolic compounds in olive oil and different olive tree organs: comparison between the proposed method with previous published researches.
| Sample (g) | Extraction solvent | Instrumental techniquea | Analytes (with elution order) | Analysis time (min) | References |
|---|---|---|---|---|---|
| Olive roots (0.5 g) Olive fruits (0.5 g) |
Methanol | HPLC-UV Analytical column: ZORBAX Eclipse XDB − C18 (4.6 × 250 mm, 5 μm) |
Hydroxytyrosol, catechin hydrate, tyrosol, hydroxybenzoic acid, luteolin-7-rutinoside, verbascoside, luteolin-7-glucoside, apigenin-7-glucoside, oleuropein, quercetin, pinoresinol, apigenin | 24 | The present method |
| Olives fruits (0.05 g) | Methanol-water (60:40) | UHPLC-Q-TOF/MS Analytical column: agilent SB-C18 (4.6 × 50 mm, 1.8 μm) |
Gallic acid, hydroxytyrosol, methyl gallate, luteolin-7-glucoside,rutin, ellagicacid, oleuropein | 12 | Ben Brahim et al. (2017) |
| Olive leaves (1 g) | Ethanol-water (59:41) | HPLC-DAD Analytical column: Lichrospher C18 100 (4.6 × 250 mm, 5 μm) |
Verbascoside, luteolin-7-glucoside, apigenin-7-glucoside, oleuropein | 40 | Malik and Bradford (2006) |
| Olives fruits (2 g) | dimethylsulfoxide | HPLC-DAD Analytical column: agilent eclipse − C18 (4.6 × 250 mm, 5 μm) |
Hydroxytyrosol, tyrosol, caffeicacid,verbascoside, luteolin-7-glucoside, rutin, oleuropein, quercetin | 45 | Konno et al. (1998) |
| Table olive (2 g) | Methanol (2 mM Sodium fluoride) | HPLC-DAD-FLD Analytical column: Gemini-NX C18 (4.6 × 150 mm, 3 μm) |
Hydroxytyrosol, tyrosol, catechin, vanillic acid, syringic acid, vanillin, sinapic acid, o-vanillin, luteolin-7-glucoside, verbascoside, apigenin-7-glucoside, oleuropein, quercetin luteolin, apigenin | 50 | Uccella (2000) |
| Olive oil (5 g) | Methanol-water (60:40) | HPLC/DAD-ESI/MS Analytical column: Spherisorb C18-ODS2 (4.6 × 250 mm,5 μm) |
Hydroxytyrosol, tyrosol, vanillic acid, p-coumaric acid, ferulic acid, oleuropein, pinoresinol, luteolin, apigenin | 50 | Ryan and Robards (1998) |
| Olives fruits (1.5 g) | Methanol | HPLC-DAD Analytical column: Spherisorb C18-ODS2 (4.6 × 250 mm,5 μm) |
Hydroxytyrosol, chlorogenic acid, verbascoside, oleuropein, rutin, apigenin-7-glucoside, luteolin | 66 | Stalikas (2007) |
| Olives fruits (1.5 g) | Methanol | HPLC-DAD-FLD-MS/MS Analytical column: Spherisorb C18-ODS2 (4.6 × 250 mm, 5 μm) |
Oleuropein, verbascoside, quercitrin, luteolin-7-glucoside rutin | 70 | Obied et al. (2008) |
HPLC-UV: high-performance liquid chromatography-ultraviolet detector; HPLC-DAD: high performance liquid chromatography-diode array detection; HPLC-DAD-FLD-MS/MS: high-performance liquid chromatography–diode array detection–fluorescence-mass spectrometry; HPLC/DAD-ESI/MS: high-performance liquid chromatography-diode array detection-electrosprayionization-mass spectrometry; UHPLC-Q-TOF/MS: ultra high performance liquid chromatography coupled with quadrupole time-of-flight tandem mass spectrometry; HPLC-DAD-FLD: high-performance liquid chromatography-diode array detection-fluorescence.
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