Article Publish Status: FREE
Abstract Title:

Fruits as a Rich Dietary Source of Chlorogenic Acids and Anthocyanins:H-NMR, HPLC-DAD, and Chemometric Studies.

Abstract Source:

Molecules. 2020 Jul 15 ;25(14). Epub 2020 Jul 15. PMID: 32679898

Abstract Author(s):

Agnieszka Zielińska, Paweł Siudem, Katarzyna Paradowska, Małgorzata Gralec, Sławomir Kaźmierski, Iwona Wawer

Article Affiliation:

Agnieszka Zielińska


(Michx.) Elliott's (chokeberry) besides anthocyanins contains significant amounts of hydroxycinnamic acids: Chlorogenic and its isomer neochlorogenic acid. They exhibit antioxidant, anti-inflammatory, antidiabetic, and antibacterial activities, thus they can have a significant impact on the health-promoting properties of. The aim of our research was to determine the changes in the content of chlorogenic acids (CGAs) and anthocyanins during fruit development and ripening, with a particular emphasis on acids.fruit samples were collected from July to October on two organic farms in Poland. The chemical composition of the extracts was determined by NMR spectroscopy and HPLC-DAD.H-NMR and HPLC data were analyzed using chemometric analysis and multivariate statistics (PCA). The results showed that the content of chlorogenic acids and anthocyanins changes during ripening and depends on the time of harvest and the region of cultivation. A correlation between the time of CGAs reduction and the appearance of anthocyanins was also noticed. The result of our research was also a database in the form of NMR parameters, which allows analysis of the metabolite profile and tracking of its changes. TheH-NMR spectrum showing anthocyanin and CGA resonance can be considered theberry fingerprint.

Study Type : In Vitro Study

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