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• W4284662875 abstract "first_page settings Order Article Reprints Font Type: Arial Georgia Verdana Font Size: Aa Aa Aa Line Spacing:    Column Width:    Background: Open AccessAbstract Antioxidant Capacity of Some Extracts from Aronia and Lonicera Fruits † by Valentina Cristina Negru 1, Eliza Oprea 1, Claudia Nicola 2, Maria Marinescu 1 and Claudia-Valentina Popa 1,3,* 1 Faculty of Chemistry, University of Bucharest, 90-92 Panduri Street, 050657 Bucharest, Romania 2 Research Institute for Fruit Growing, 402 Marului Street, Pitesti-Maracineni, 117450 Arges County, Romania 3 Cantacuzino National Military Medical Institute for Research and Development, 103 Splaiul Independenței, 050096 Bucharest, Romania * Author to whom correspondence should be addressed. † Presented at the 17th International Symposium “Priorities of Chemistry for a Sustainable Development” PRIOCHEM, Bucharest, Romania, 27–29 October 2021. Chem. Proc. 2022, 7(1), 83; https://doi.org/10.3390/chemproc2022007083 Published: 30 June 2022 Download Download PDF Download XML Download Epub Versions Notes Studies in the literature have shown high levels of phenolic compounds in the fruits of Aronia melanocarpa (fam. Rosaceae, black chokeberry) and Lonicera caerulea L. (fam. Caprifoliaceae, Siberian blueberry). Aronia fruits contain high levels of flavonoids and have significant antioxidant activity [1]. It has been observed that Lonicera fruits have many beneficial effects: anti-aging, anti-inflammatory, antimicrobial, anticancer, cardio- and neuroprotective activity, etc. [2]. In addition, it is known that all of these pathologies are strongly associated with free radical formation and lipid peroxidation, also involved in many other diseases [1]. This study assessed the antioxidant capacity of ethanolic extracts from chokeberries and blueberries obtained by Soxhlet extraction, maceration, ultrasounds, and microwave-assisted extraction methods. First, the phenol compounds from extracts were analyzed by HPLC [3]. Then, the antioxidant capacity was determined by the DPPH● method, and the total phenol (TP) content was investigated using the Folin–Ciocalteu reagent (spectrophotometric methods) [4]. The range of quantified extraction yields varied from 10.8 to 15.2 g semi-solid extract/100 g fruit. P-coumaric acid, caffeic acid, chlorogenic acid, rutin, and epicatechin were identified in the chromatographic method in all extracts. The scavenging capacity of DPPH● was expressed as µg antioxidant/mL equivalents and varied between 2.07 ± 0.066 and 4.01 ± 0.069 for gallic acid, 4.25 ± 0.13 and 8.15 ± 0.14 for caffeic acid, 23.4 ± 0.63 and 41.6 ± 0.65 for quercetin, 22 ± 0.52 and 37.0 ± 0.54 rutin, and 37.2 ± 1.1 and 68.3 ± 1.1 for morin. Ultrasound-assisted extraction was the most efficient method of extraction. The berry extracts also had a high antioxidant capacity, expressed in terms of flavonoid equivalents. The ultrasound extraction was the most efficient method of extraction. The present study concludes that Aronia and Lonicera fruits show high antioxidant content, as proven by chromatographic and spectrophotometric methods. FundingThis research received no external funding.Institutional Review Board StatementNot applicable.Informed Consent StatementNot applicable.Data Availability StatementNot applicable.Conflicts of InterestThe authors declare no conflict of interest.ReferencesBraunlich, M.; Slimestad, R.; Wangensteen, H.; Brede, C.; Malterud, K.E.; Barsett, H. Extracts antocyanins and procyanidins from Aronia melanocarpa as radical scavengers and enzyme inhibitors. Nutrients 2013, 5, 663–678. [Google Scholar] [CrossRef] [PubMed][Green Version]Golba, M.; Sokol-Letowska, A.; Kucharska, A.Z. Health properties and composition of Honeysuckle berry Lonicera caerulea an update on recent studies. Molecules 2020, 25, 749. [Google Scholar] [CrossRef][Green Version]Bakanescu, F.; Mihaila, M.D.I.; Cârâc, G.; Furdui, B.; Vînătoru, C.; Avramescu, S.M.; Lisa, E.L.; Cudălbeanu, M.; Dinica, R.M. Flavonoid profiles of two new approved Romanian Ocimum hybrids. Molecules 2020, 25, 4573. [Google Scholar] [CrossRef]Lungu, L.; Popa, C.V.; Savoi, M.; Danet, A.F.; Dinoiu, V. Antioxidant activity of Brassica oleracea L., Allium cepa L. and Beta vulgaris L. Extracts. Rev. Chim. 2010, 61, 911–914. [Google Scholar] [CrossRef]Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. © 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Share and Cite MDPI and ACS Style Negru, V.C.; Oprea, E.; Nicola, C.; Marinescu, M.; Popa, C.-V. Antioxidant Capacity of Some Extracts from Aronia and Lonicera Fruits. Chem. Proc. 2022, 7, 83. https://doi.org/10.3390/chemproc2022007083 AMA Style Negru VC, Oprea E, Nicola C, Marinescu M, Popa C-V. Antioxidant Capacity of Some Extracts from Aronia and Lonicera Fruits. Chemistry Proceedings. 2022; 7(1):83. https://doi.org/10.3390/chemproc2022007083 Chicago/Turabian Style Negru, Valentina Cristina, Eliza Oprea, Claudia Nicola, Maria Marinescu, and Claudia-Valentina Popa. 2022. Antioxidant Capacity of Some Extracts from Aronia and Lonicera Fruits Chemistry Proceedings 7, no. 1: 83. https://doi.org/10.3390/chemproc2022007083 Find Other Styles Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here. Article Metrics No No Article Access Statistics Multiple requests from the same IP address are counted as one view." @default.
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