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Review of Evidence Available on Hesperidin-Rich Products as Potential Tools against COVID-19 and Hydrodynamic Cavitation-Based Extraction as a Method of Increasing Their Production. Processes (Basel) 2020. [DOI: 10.3390/pr8050549] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Based on recent computational and experimental studies, hesperidin, a bioactive flavonoid abundant in citrus peel, stands out for its high binding affinity to the main cellular receptors of SARS-CoV-2, outperforming drugs already recommended for clinical trials. Thus, it is very promising for prophylaxis and treatment of COVID-19, along with other coexistent flavonoids such as naringin, which could help restraining the proinflammatory overreaction of the immune system. Controlled hydrodynamic cavitation processes showed the highest speed, effectiveness and efficiency in the integral and green aqueous extraction of flavonoids, essential oils and pectin from citrus peel waste. After freeze-drying, the extracted pectin showed high quality and excellent antioxidant and antibacterial activities, attributed to flavonoids and essential oils adsorbed and concentrated on its surface. This study reviews the recent evidence about hesperidin as a promising molecule, and proposes a feasible and affordable process based on hydrodynamic cavitation for the integral aqueous extraction of citrus peel waste resulting in hesperidin-rich products, either aqueous extracts or pectin tablets. The uptake of this process on a relevant scale is urged, in order to achieve large-scale production and distribution of hesperidin-rich products. Meanwhile, experimental and clinical studies could determine the effective doses either for therapeutic and preventive purposes.
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Zhupanova A, Guss E, Ziyatdinova G, Budnikov H. Simultaneous Voltammetric Determination of Flavanones Using an Electrode Based on Functionalized Single-Walled Carbon Nanotubes and Polyaluminon. ANAL LETT 2020. [DOI: 10.1080/00032719.2020.1732402] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Anastasiya Zhupanova
- Analytical Chemistry Department, A.M. Butlerov Institute of Chemistry, Kazan Federal University, Kazan, Russian Federation
| | - Ekaterina Guss
- Analytical Chemistry Department, A.M. Butlerov Institute of Chemistry, Kazan Federal University, Kazan, Russian Federation
| | - Guzel Ziyatdinova
- Analytical Chemistry Department, A.M. Butlerov Institute of Chemistry, Kazan Federal University, Kazan, Russian Federation
| | - Herman Budnikov
- Analytical Chemistry Department, A.M. Butlerov Institute of Chemistry, Kazan Federal University, Kazan, Russian Federation
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