Potential of the Oxidized Form of the Oleuropein Aglycon to Monitor the Oil Quality Evolution of Commercial Extra-Virgin Olive Oils

被引：1

作者：

Esposto, Sonia ^{[1
]}

Urbani, Stefania ^{[1
]}

Selvaggini, Roberto ^{[1
]}

Taticchi, Agnese ^{[1
]}

Toschi, Tullia Gallina ^{[2
]}

Daidone, Luigi ^{[1
]}

Bendini, Alessandra ^{[2
]}

Veneziani, Gianluca ^{[1
]}

Sordini, Beatrice ^{[1
]}

Servili, Maurizio ^{[1
]}

机构：

[1] Univ Perugia, Dept Agr Food & Environm Sci, I-06126 Perugia, Italy

[2] Univ Bologna, Dept Agr & Food Sci, I-40126 Bologna, Italy

来源：

FOODS | 2023年 / 12卷 / 15期

关键词：

extra-virgin olive oil quality evolution; light exposure; extra-virgin olive oil quality markers; K-270; & UDelta; K; (E; E)-2; 4-decadienal; (E)-2-decenal; the oxidized form of the oleuropein aglycon (3; 4-DHPEA-EA-OX); PERFORMANCE LIQUID-CHROMATOGRAPHY; PHENOLIC-COMPOUNDS; OXIDATION-PRODUCTS; STORAGE TIME; LIGHT; PYROPHEOPHYTIN; TOCOPHEROLS; DEGRADATION; COMPONENTS; STABILITY;

D O I：

10.3390/foods12152959

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

The quality of commercially available extra-virgin olive oils (VOOs) of different chemical compositions was evaluated as a function of storage (12 months), simulating market storage conditions, to find reliable and early markers of the virgin olive oil (VOOs) quality status in the market. By applying a D-optimal design using the Most Descriptive Compound (MDC) algorithm, 20 virgin olive oils were selected. The initial concentrations of oleic acid, hydrophilic phenols, and a-tocopherol in the 20 VOOs ranged from 58.2 to 80.5%, 186.7 to 1003.2 mg/kg, and 170.7-300.6 mg/kg, respectively. K-270, increment K, (E, E)-2.4-decadienal and (E)-2-decenal, and the oxidative form of the oleuropein aglycon (3,4-DHPEA-EA-OX) reflected the VOO quality status well, with 3,4-DHPEA-EA-OX being the most relevant and quick index for simple monitoring of the "extra-virgin" commercial shelf-life category. Its HPLC-DAD evaluation is easy because of the different wavelength absorbances of the oxidized and non-oxidized form (3,4-DHPEA-EA), respectively, at 347 and 278 nm.

引用

页数：20

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