Anti-Hypochlorite, Antioxidant, and Catalytic Activity of Three Polyphenol-Rich Super-Foods Investigated with the Use of Coumarin-Based Sensors
The anti-hypochlorite activity of açaí (<i>Euterpe oleracea</i> Mart.), goji (<i>Lycium barbarum</i> L.) and schisandra (<i>Schisandra chinensis</i>) fruit extracts were assessed by determining the reactive chlorine species (RCS)-scavenging ability of these three...
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| Format: | Article |
| Language: | English |
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MDPI AG
2020-05-01
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| Series: | Biomolecules |
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| Online Access: | https://www.mdpi.com/2218-273X/10/5/723 |
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| author | Karolina Starzak Tomasz Świergosz Arkadiusz Matwijczuk Bernadette Creaven Janusz Podleśny Dariusz Karcz |
| author_facet | Karolina Starzak Tomasz Świergosz Arkadiusz Matwijczuk Bernadette Creaven Janusz Podleśny Dariusz Karcz |
| author_sort | Karolina Starzak |
| collection | DOAJ |
| description | The anti-hypochlorite activity of açaí (<i>Euterpe oleracea</i> Mart.), goji (<i>Lycium barbarum</i> L.) and schisandra (<i>Schisandra chinensis</i>) fruit extracts were assessed by determining the reactive chlorine species (RCS)-scavenging ability of these three “super-food” berries. In addition, the aqueous extracts obtained were employed as both the media and the catalyst in a green chemistry approach to the synthesis of a coumarin-based fluorescence turn-off sensor, which was then used for anti-hypochlorite activity testing. The aqueous extracts were also assessed for total phenolic content (TPC), using the Folin–Ciocalteu method, and the antioxidant activity using the ABTS<sup>+•</sup> assay. Moreover, the main water-soluble polyphenolic constituents of the extracts were identified by the HPLC-PDA-ESI-MS technique. Among the extracts tested, açaí demonstrated the highest anti-hypochlorite and antioxidant activities, while the highest TPC value was found for the goji extract. All extracts demonstrated modest catalytic activity as Knoevenagel condensation catalysts. |
| first_indexed | 2024-03-10T20:00:01Z |
| format | Article |
| id | doaj.art-1073b42e06a44a9392b786dfb314e9f3 |
| institution | Directory Open Access Journal |
| issn | 2218-273X |
| language | English |
| last_indexed | 2024-03-10T20:00:01Z |
| publishDate | 2020-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Biomolecules |
| spelling | doaj.art-1073b42e06a44a9392b786dfb314e9f32023-11-19T23:36:38ZengMDPI AGBiomolecules2218-273X2020-05-0110572310.3390/biom10050723Anti-Hypochlorite, Antioxidant, and Catalytic Activity of Three Polyphenol-Rich Super-Foods Investigated with the Use of Coumarin-Based SensorsKarolina Starzak0Tomasz Świergosz1Arkadiusz Matwijczuk2Bernadette Creaven3Janusz Podleśny4Dariusz Karcz5Department of Analytical Chemistry (C1), Faculty of Chemical Engineering and Technology, Cracow University of Technology, Warszawska 24, 31-155 Cracow, PolandDepartment of Analytical Chemistry (C1), Faculty of Chemical Engineering and Technology, Cracow University of Technology, Warszawska 24, 31-155 Cracow, PolandDepartment of Biophysics, University of Life Sciences in Lublin, Akademicka 13, 20-950 Lublin, PolandSchool of Chemical and Pharmaceutical Sciences, Technological University Dublin, Kevin St., Dublin 2, IrelandInstitute of Soil Science and Plant Cultivation—State Research Institute, 24-100 Puławy, PolandDepartment of Analytical Chemistry (C1), Faculty of Chemical Engineering and Technology, Cracow University of Technology, Warszawska 24, 31-155 Cracow, PolandThe anti-hypochlorite activity of açaí (<i>Euterpe oleracea</i> Mart.), goji (<i>Lycium barbarum</i> L.) and schisandra (<i>Schisandra chinensis</i>) fruit extracts were assessed by determining the reactive chlorine species (RCS)-scavenging ability of these three “super-food” berries. In addition, the aqueous extracts obtained were employed as both the media and the catalyst in a green chemistry approach to the synthesis of a coumarin-based fluorescence turn-off sensor, which was then used for anti-hypochlorite activity testing. The aqueous extracts were also assessed for total phenolic content (TPC), using the Folin–Ciocalteu method, and the antioxidant activity using the ABTS<sup>+•</sup> assay. Moreover, the main water-soluble polyphenolic constituents of the extracts were identified by the HPLC-PDA-ESI-MS technique. Among the extracts tested, açaí demonstrated the highest anti-hypochlorite and antioxidant activities, while the highest TPC value was found for the goji extract. All extracts demonstrated modest catalytic activity as Knoevenagel condensation catalysts.https://www.mdpi.com/2218-273X/10/5/723anti-hypochlorite activityfluorescent probescoumarin sensorsABTSgreen synthesisaçaí |
| spellingShingle | Karolina Starzak Tomasz Świergosz Arkadiusz Matwijczuk Bernadette Creaven Janusz Podleśny Dariusz Karcz Anti-Hypochlorite, Antioxidant, and Catalytic Activity of Three Polyphenol-Rich Super-Foods Investigated with the Use of Coumarin-Based Sensors Biomolecules anti-hypochlorite activity fluorescent probes coumarin sensors ABTS green synthesis açaí |
| title | Anti-Hypochlorite, Antioxidant, and Catalytic Activity of Three Polyphenol-Rich Super-Foods Investigated with the Use of Coumarin-Based Sensors |
| title_full | Anti-Hypochlorite, Antioxidant, and Catalytic Activity of Three Polyphenol-Rich Super-Foods Investigated with the Use of Coumarin-Based Sensors |
| title_fullStr | Anti-Hypochlorite, Antioxidant, and Catalytic Activity of Three Polyphenol-Rich Super-Foods Investigated with the Use of Coumarin-Based Sensors |
| title_full_unstemmed | Anti-Hypochlorite, Antioxidant, and Catalytic Activity of Three Polyphenol-Rich Super-Foods Investigated with the Use of Coumarin-Based Sensors |
| title_short | Anti-Hypochlorite, Antioxidant, and Catalytic Activity of Three Polyphenol-Rich Super-Foods Investigated with the Use of Coumarin-Based Sensors |
| title_sort | anti hypochlorite antioxidant and catalytic activity of three polyphenol rich super foods investigated with the use of coumarin based sensors |
| topic | anti-hypochlorite activity fluorescent probes coumarin sensors ABTS green synthesis açaí |
| url | https://www.mdpi.com/2218-273X/10/5/723 |
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