LC-MS phenolic profiling combined with multivariate analysis as an approach for the characterization of extra virgin olive oils of four rare Tunisian cultivars during ripening

被引：45

作者：

Ben Brahim, Samia ^{[1
]}

Kelebek, Hasim ^{[2
]}

Ammar, Sonda ^{[1
]}

Abichou, Mounir ^{[3
]}

Bouaziz, Mohamed ^{[1
,4
]}

机构：

[1] Univ Sfax, Lab Electrochim & Environm, Ecole Natl Ingn Sfax, BP 1173, Sfax 3038, Tunisia

[2] Adana Univ Sci & Technol, Fac Engn & Nat Sci, Dept Food Engn, TR-01100 Adana, Turkey

[3] Inst Olivier Zarzis, Sfax, Tunisia

[4] Univ Sfax, Inst Super Biotechnol Sfax, BP 1175, Sfax 3038, Tunisia

来源：

FOOD CHEMISTRY | 2017年 / 229卷

关键词：

Phenolic compounds; LC-DAD-ESI-MS/MS; Oxidative state; Four rare Tunisian cultivar; ripening index; ANTIOXIDANT ACTIVITY; QUALITY; CHEMLALI; HARVEST; HEALTH; COMPONENTS; VARIETIES; REGION; FRUITS; YIELD;

D O I：

10.1016/j.foodchem.2017.02.025

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

In this work, the phenolic composition of four rare cultivars grown under the same agronomical and environmental conditions was studied. This is to test the effects of cultivars and ripening index essentially on phenolic composition in olive oils as well as tocopherols composition, organoleptic profiling and oxidative properties. Furthermore, some agronomical traits were determined in which a general increase in the size of the fruit and oil contents were recorded for all cultivars. The phenolic fractions were identified and quantified using liquid chromatography coupled to diode array detection and electrospray ionization tandem mass spectrometry (LC-DAD-ESI-MS/MS) in multiple reaction monitoring mode (MRM). A total of 13 phenolic compounds belonging to different chemical families were determined. Qualitative and quantitative differences in phenolic composition were observed among cultivars and also among sampling times. On the contrary to the agronomical traits, a general decrease (p < 0.05) of total phenolic compounds was observed during maturation. Likewise, a decrease in tocopherols concentrations and oxidative properties was observed. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：9 / 19

页数：11

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