Identification of polyphenolic compounds in the flesh of Argan (Morocco) fruits

High performance liquid chromatography coupled with negative electrospray ionization (HPLC-ESI) along with fragmentation patterns generated by nano-electrospray ionization (nano-ESI-MS-MS) and NMR techniques were utilized for the identification of phenolic compounds in Argan fruits. A total of 15.4...

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Hauptverfasser: Khallouki, Farid (VerfasserIn) , Ricarte, Írvila (VerfasserIn) , Ulrich, Cornelia (VerfasserIn) , Owen, Robert (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 15 July 2015
In: Food chemistry
Year: 2015, Jahrgang: 179, Pages: 191-198
ISSN:1873-7072
DOI:10.1016/j.foodchem.2015.01.103
Online-Zugang:Verlag, Volltext: http://dx.doi.org/10.1016/j.foodchem.2015.01.103
Verlag, Volltext: http://www.sciencedirect.com/science/article/pii/S0308814615001181
Volltext
Verfasserangaben:Farid Khallouki, Roswitha Haubner, Irvila Ricarte, Gerhard Erben, Karel Klika, Cornelia M. Ulrich, Robert W. Owen

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520 |a High performance liquid chromatography coupled with negative electrospray ionization (HPLC-ESI) along with fragmentation patterns generated by nano-electrospray ionization (nano-ESI-MS-MS) and NMR techniques were utilized for the identification of phenolic compounds in Argan fruits. A total of 15.4 g/kg was determined represented by catechins (39%), flavonoids (28%), procyanidins (26%), free phenolic acids (6%) and phenolic acid glycosides (1%). Twenty-one phenolic compounds were identified for the first time in Argan fruits namely III. epicatechin-(4β → 8)-catechin dimer (procyanidin B1), IV. p-coumaric acid glycoside, VI. epicatechin-(4β → 8)-epicatechin dimer (procyanidin B2), VIII. caffeic acid glycoside, XIX. epicatechin-(4β → 8)-epicatechin-(4β → 8)-epicatechin trimer (procyanidin C1), X. p-hydroxybenzaldehyde XI. ferulic acid glycoside, XII. vanillic acid, XIII. sinapic acid glycoside, XVI. p-coumaric acid, XVII. ferulic acid, XVIII. sinapic acid, XIX. rutin pentoside, XX. quercetin glycopentoside, XXI. 4,4′-dihydroxy-3,3′-imino-di-benzoic acid, XXV. quercetin-3-O-rhamnogalactoside, XXVII. quercetin glycohydroxybenzoate, XXVIII. quercetin glycocaffeate, XXIX. quercetin glycosinapate, XXX. quercetin glycoferulate and XXXI. quercetin glycocoumarate. 
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