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Bermúdez-Bazán M, Estarrón-Espinosa M, Castillo-Herrera GA, Escobedo-Reyes A, Urias-Silvas JE, Lugo-Cervantes E, Gschaedler-Mathis A. Agave angustifolia Haw. Leaves as a Potential Source of Bioactive Compounds: Extraction Optimization and Extract Characterization. Molecules 2024; 29:1137. [PMID: 38474649 DOI: 10.3390/molecules29051137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Revised: 02/19/2024] [Accepted: 02/27/2024] [Indexed: 03/14/2024] Open
Abstract
The leaves of Agave angustifolia Haw. are the main agro-waste generated by the mezcal industry and are becoming an important source of bioactive compounds, such as phenolic compounds, that could be used in the food and pharmaceutical industries. Therefore, the extraction and identification of these phytochemicals would revalorize these leaf by-products. Herein, maceration and supercritical carbon dioxide (scCO2) extractions were optimized to maximize the phenolic and flavonoid contents and the antioxidant capacity of vegetal extracts of A. angustifolia Haw. In the maceration process, the optimal extraction condition was a water-ethanol mixture (63:37% v/v), which yielded a total phenolic and flavonoid content of 27.92 ± 0.90 mg EAG/g DL and 12.85 ± 0.53 µg QE/g DL, respectively, and an antioxidant capacity of 32.67 ± 0.91 (ABTS assay), 17.30 ± 0.36 (DPPH assay), and 13.92 ± 0.78 (FRAP assay) µM TE/g DL. Using supercritical extraction, the optimal conditions for polyphenol recovery were 60 °C, 320 bar, and 10% v/v. It was also observed that lower proportions of cosolvent decreased the polyphenol extraction more than pressure and temperature. In both optimized extracts, a total of 29 glycosylated flavonoid derivatives were identified using LC-ESI-QTof/MS. In addition, another eight novel compounds were identified in the supercritical extracts, showing the efficiency of the cosolvent for recovering new flavonoid derivatives.
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Affiliation(s)
- Misael Bermúdez-Bazán
- Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, A.C., Unidad de Tecnología Alimentaria, Camino Arenero 1227, El Bajío, Zapopan 45019, Jalisco, Mexico
| | - Mirna Estarrón-Espinosa
- Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, A.C., Unidad de Tecnología Alimentaria, Camino Arenero 1227, El Bajío, Zapopan 45019, Jalisco, Mexico
| | - Gustavo Adolfo Castillo-Herrera
- Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, A.C., Unidad de Tecnología Alimentaria, Camino Arenero 1227, El Bajío, Zapopan 45019, Jalisco, Mexico
| | - Antonio Escobedo-Reyes
- Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, A.C., Unidad de Servicios Analíticos y Metrológicos, Av. Normalistas No. 800, Guadalajara 44270, Jalisco, Mexico
| | - Judith Esmeralda Urias-Silvas
- Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, A.C., Unidad de Tecnología Alimentaria, Camino Arenero 1227, El Bajío, Zapopan 45019, Jalisco, Mexico
| | - Eugenia Lugo-Cervantes
- Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, A.C., Unidad de Tecnología Alimentaria, Camino Arenero 1227, El Bajío, Zapopan 45019, Jalisco, Mexico
| | - Anne Gschaedler-Mathis
- Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, A.C., Unidad de Biotecnología Industrial, Camino Arenero 1227, El Bajío, Zapopan 45019, Jalisco, Mexico
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Budziak-Wieczorek I, Kamiński D, Skrzypek A, Ciołek A, Skrzypek T, Janik-Zabrotowicz E, Arczewska M. Naturally Occurring Chalcones with Aggregation-Induced Emission Enhancement Characteristics. Molecules 2023; 28:molecules28083412. [PMID: 37110646 PMCID: PMC10146426 DOI: 10.3390/molecules28083412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/06/2023] [Accepted: 04/11/2023] [Indexed: 04/29/2023] Open
Abstract
In this paper, the natural chalcones: 2'-hydroxy-4,4',6'-trimethoxychalcone (HCH), cardamonin (CA), xanthohumol (XN), isobavachalcone (IBC) and licochalcone A (LIC) are studied using spectroscopic techniques such as UV-vis, fluorescence spectroscopy, scanning electron microscopy (SEM) and single-crystal X-ray diffraction (XRD). For the first time, the spectroscopic and structural features of naturally occurring chalcones with varying numbers and positions of hydroxyl groups in rings A and B were investigated to prove the presence of the aggregation-induced emission enhancement (AIEE) effect. The fluorescence studies were carried out in the aggregate form in a solution and in a solid state. As to the results of spectroscopic analyses conducted in the solvent media, the selected mixtures (CH3OH:H2O and CH3OH:ethylene glycol), as well as the fluorescence quantum yield (ϕF) and SEM, confirmed that two of the tested chalcones (CA and HCH) exhibited effective AIEE behaviour. On the other hand, LIC showed a large fluorescence quantum yield and Stokes shift in the polar solvents and in the solid state. Moreover, all studied compounds were tested for their promising antioxidant activities via the utilisation of 1,1- diphenyl-2-picrylhydrazyl as a free-radical scavenging reagent as well as potential anti-neurodegenerative agents via their ability to act as acetylcholinesterase (AChE) and butyrylcholinesterase (BuChE) inhibitors. Finally, the results demonstrated that licochalcone A, with the most desirable emission properties, showed the most effective antioxidant (DPPH IC50 29%) and neuroprotective properties (AChE IC50 23.41 ± 0.02 μM, BuChE IC50 42.28 ± 0.06 μM). The substitution pattern and the biological assay findings establish some relation between photophysical properties and biological activity that might apply in designing AIEE molecules with the specified characteristics for biological application.
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Affiliation(s)
- Iwona Budziak-Wieczorek
- Department of Chemistry, University of Life Sciences in Lublin, Akademicka 15, 20-950 Lublin, Poland
| | - Daniel Kamiński
- Institute of Chemical Sciences, Maria Curie-Skłodowska University, Pl. Marii Curie-Sklodowskiej 3, 20-031 Lublin, Poland
| | - Alicja Skrzypek
- Department of Chemistry, University of Life Sciences in Lublin, Akademicka 15, 20-950 Lublin, Poland
| | - Anna Ciołek
- Department of Chemistry, University of Life Sciences in Lublin, Akademicka 15, 20-950 Lublin, Poland
| | - Tomasz Skrzypek
- Department of Biomedicine and Environmental Research, Faculty of Medicine, The John Paul II Catholic University of Lublin, Konstantynów 1J, 20-708 Lublin, Poland
| | - Ewa Janik-Zabrotowicz
- Department of Cell Biology, Institute of Biological Sciences, Maria Curie-Sklodowska University, ul. Akademicka 19, 20-033 Lublin, Poland
| | - Marta Arczewska
- Department of Biophysics, University of Life Sciences in Lublin, Akademicka 13, 20-950 Lublin, Poland
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Yu D, Yang Q, Zhou X, Guo H, Li D, Li H, Deng B, Liu Q. Structure and properties of polylactic acid/butenediol vinyl alcohol copolymer blend fibers. Int J Biol Macromol 2023; 232:123396. [PMID: 36702218 DOI: 10.1016/j.ijbiomac.2023.123396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 01/07/2023] [Accepted: 01/19/2023] [Indexed: 01/24/2023]
Abstract
Polylactic acid/butenediol vinyl alcohol copolymer (PLA/BVOH) blends with different weight ratios were prepared by melt mixing. PLA and BVOH in PLA/BVOH blends were immiscible while the weak interaction between PLA and BVOH existed. The introduction of BVOH facilitated the crystallization of PLA. Moreover, the crystallization of PLA hindered the crystallization of BVOH. Due to introduction of BVOH, PLA/BVOH blends exhibited shear thinning characteristic except that PLA/BVOH blends with 5-10 % BVOH showed similar rheological property to neat PLA. With the increase of BVOH content, the contact angle of PLA/BVOH blends decreased from 79.75° to 67.33° at 120 s. The hydrophilicity of PLA/BVOH blends was improved. In addition, PLA/BVOH fibers with 5-40 % BVOH and PLA/BVOH/rutin fibers with 3 % rutin were manufactured by melt spinning. The effect of BVOH on the mechanical property of PLA/BVOH fibers was small. However, BVOH improved significantly the rutin release rate and antioxidant properties of PLA/BVOH/rutin fibers.
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Affiliation(s)
- Dongzheng Yu
- Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi 214122, People's Republic of China
| | - Qianqian Yang
- Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi 214122, People's Republic of China
| | - Xingxing Zhou
- Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi 214122, People's Republic of China
| | - Haiyang Guo
- Jiangsu Doway New Materials Science & Technology Co. Ltd., Suqian 223800, People's Republic of China
| | - Dawei Li
- Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi 214122, People's Republic of China
| | - Haoxuan Li
- Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi 214122, People's Republic of China
| | - Bingyao Deng
- Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi 214122, People's Republic of China
| | - Qingsheng Liu
- Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi 214122, People's Republic of China.
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Quality by design-oriented formulation optimization and characterization of guar gum-pectin based oral colon targeted liquisolid formulation of xanthohumol. J Drug Deliv Sci Technol 2023. [DOI: 10.1016/j.jddst.2023.104350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
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Enhancement of Human Epidermal Cell Defense against UVB Damage by Fermentation of Passiflora edulis Sims Peel with Saccharomyces cerevisiae. Nutrients 2023; 15:nu15030501. [PMID: 36771204 PMCID: PMC9921891 DOI: 10.3390/nu15030501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 01/05/2023] [Accepted: 01/13/2023] [Indexed: 01/21/2023] Open
Abstract
The processing of Passiflora edulis Sims results in large amounts of wasted peel resources and environmental pollution. In order to improve the utilisation of natural plant resources and economic benefits, this study uses Saccharomyces cerevisiae to ferment Passiflora edulis Sims peel to obtain Passiflora edulis Sims peel fermentation broth (PF). The content of active substances in unfermented Passiflora edulis Sims peel water extract (PW) and PF is then determined, as well as their in vitro antioxidant capacity. The protective effects of PF and PW on UVB-induced skin inflammation and skin barrier damage in human immortalised epidermal keratinocytes (HaCaT) cells (including cell viability, ROS, HO-1, NQO1, IL-1β, IL-8, TNF-α, KLK-7, FLG, AQP3 and Caspase 14 levels) are investigated. Studies have shown that PF enhances the content of active substances more effectively compared to PW, showing a superior ability to scavenge free radical scavenging and antioxidants. PW and PF can effectively scavenge excess intracellular ROS, reduce the cellular secretion of pro-inflammatory factors, regulate the content of skin barrier-related proteins and possibly respond to UVB-induced cell damage by inhibiting the activation of the PI3K/AKT/mTOR signalling pathway. Studies have shown that both PW and PF are safe and non-irritating, with PF exploiting the efficacy of Passiflora edulis Sims peel more significantly, providing a superior process for the utilisation of Passiflora edulis Sims waste. At the same time, PF can be developed and used as a functional protective agent against ultraviolet damage to the skin, thereby increasing the value of the use of Passiflora edulis Sims waste.
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Prenylated Flavonoids in Topical Infections and Wound Healing. Molecules 2022; 27:molecules27144491. [PMID: 35889363 PMCID: PMC9323352 DOI: 10.3390/molecules27144491] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 07/08/2022] [Accepted: 07/09/2022] [Indexed: 11/16/2022] Open
Abstract
The review presents prenylated flavonoids as potential therapeutic agents for the treatment of topical skin infections and wounds, as they can restore the balance in the wound microenvironment. A thorough two-stage search of scientific papers published between 2000 and 2022 was conducted, with independent assessment of results by two reviewers. The main criteria were an MIC (minimum inhibitory concentration) of up to 32 µg/mL, a microdilution/macrodilution broth method according to CLSI (Clinical and Laboratory Standards Institute) or EUCAST (European Committee on Antimicrobial Susceptibility Testing), pathogens responsible for skin infections, and additional antioxidant, anti-inflammatory, and low cytotoxic effects. A total of 127 structurally diverse flavonoids showed promising antimicrobial activity against pathogens affecting wound healing, predominantly Staphylococcus aureus strains, but only artocarpin, diplacone, isobavachalcone, licochalcone A, sophoraflavanone G, and xanthohumol showed multiple activity, including antimicrobial, antioxidant, and anti-inflammatory along with low cytotoxicity important for wound healing. Although prenylated flavonoids appear to be promising in wound therapy of humans, and also animals, their activity was measured only in vitro and in vivo. Future studies are, therefore, needed to establish rational dosing according to MIC and MBC (minimum bactericidal concentration) values, test potential toxicity to human cells, measure healing kinetics, and consider formulation in smart drug release systems and/or delivery technologies to increase their bioavailability.
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Ultrasound-assisted synthesis, photophysical behaviour and single crystal X-ray analysis of highly functionalized prenylarenes. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132544] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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MIN B, PARK CW, AHN Y, HONG KB, CHO HJ, LEE JH, JO K, SUH HJ. Effect of hop mixture containing xanthohumol on sleep enhancement in a mouse model and ROS scavenging effect in oxidative stress-induced HT22 cells. FOOD SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1590/fst.29922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Byungjick MIN
- Korea University, Republic of Korea; Lotte R&D Center, Korea
| | - Chun Woong PARK
- Korea University, Republic of Korea; Korea University, Republic of Korea
| | | | | | | | | | | | - Hyung Joo SUH
- Korea University, Republic of Korea; Korea University, Republic of Korea
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Harish V, Haque E, Śmiech M, Taniguchi H, Jamieson S, Tewari D, Bishayee A. Xanthohumol for Human Malignancies: Chemistry, Pharmacokinetics and Molecular Targets. Int J Mol Sci 2021; 22:ijms22094478. [PMID: 33923053 PMCID: PMC8123270 DOI: 10.3390/ijms22094478] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/19/2021] [Accepted: 04/23/2021] [Indexed: 12/15/2022] Open
Abstract
Xanthohumol (XH) is an important prenylated flavonoid that is found within the inflorescence of Humulus lupulus L. (Hop plant). XH is an important ingredient in beer and is considered a significant bioactive agent due to its diverse medicinal applications, which include anti-inflammatory, antimicrobial, antioxidant, immunomodulatory, antiviral, antifungal, antigenotoxic, antiangiogenic, and antimalarial effects as well as strong anticancer activity towards various types of cancer cells. XH acts as a wide ranging chemopreventive and anticancer agent, and its isomer, 8-prenylnaringenin, is a phytoestrogen with strong estrogenic activity. The present review focuses on the bioactivity of XH on various types of cancers and its pharmacokinetics. In this paper, we first highlight, in brief, the history and use of hops and then the chemistry and structure–activity relationship of XH. Lastly, we focus on its prominent effects and mechanisms of action on various cancers and its possible use in cancer prevention and treatment. Considering the limited number of available reviews on this subject, our goal is to provide a complete and detailed understanding of the anticancer effects of XH against different cancers.
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Affiliation(s)
- Vancha Harish
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144 411, Punjab, India;
| | - Effi Haque
- Department of Experimental Embryology, Institute of Genetics and Animal Biotechnology of the Polish Academy of Sciences, 05-552 Jastrzebiec, Poland; (E.H.); (M.Ś.); (H.T.)
| | - Magdalena Śmiech
- Department of Experimental Embryology, Institute of Genetics and Animal Biotechnology of the Polish Academy of Sciences, 05-552 Jastrzebiec, Poland; (E.H.); (M.Ś.); (H.T.)
| | - Hiroaki Taniguchi
- Department of Experimental Embryology, Institute of Genetics and Animal Biotechnology of the Polish Academy of Sciences, 05-552 Jastrzebiec, Poland; (E.H.); (M.Ś.); (H.T.)
| | - Sarah Jamieson
- Lake Erie College of Osteopathic Medicine, Bradenton, FL 34211, USA;
| | - Devesh Tewari
- Department of Pharmacognosy, School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144 411, Punjab, India
- Correspondence: (D.T.); or (A.B.)
| | - Anupam Bishayee
- Lake Erie College of Osteopathic Medicine, Bradenton, FL 34211, USA;
- Correspondence: (D.T.); or (A.B.)
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Tuli HS, Aggarwal V, Parashar G, Aggarwal D, Parashar NC, Tuorkey MJ, Varol M, Sak K, Kumar M, Buttar HS. Xanthohumol: A Metabolite with Promising Anti-Neoplastic Potential. Anticancer Agents Med Chem 2021; 22:418-432. [PMID: 33622230 DOI: 10.2174/1871520621666210223095021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 12/03/2020] [Accepted: 12/14/2020] [Indexed: 11/22/2022]
Abstract
The overwhelming globalburden of cancer has posed numerous challenges and opportunities for developing anti-cancer therapies. Phytochemicalshave emerged as promising synergistic compounds with potential anti-cancer effects to supplement chemo- and immune-therapeutic regimens. Anti cancer synergistic effects have been investigated in the interaction between phytocompounds derived from flavonoids such as quercetin, apigenin, kaempferol, hesperidin, emodin etc., and conventional drugs. Xanthohumol is one of the prenylatedphytoflavonoid that has demonstrated key anti-cancer activities in in vitro (anti proliferation of cancer cell lines) and in vivo(animal models of xenograft tumours)studies, and has been explored from different dimensions for targeting cancer subtypes. In the last decade, xanthohumol has been investigated how it induces the anti-cancer effects at cellular and molecular level.The different signalling cascades and targets of xanthohumolare summarized in thisreview.Overall, this reviewsummarizes the current advances made in the field of natural compounds with special reference to xanthohumol and its promising anti-cancer effectsto inhibit tumour progression.The present review hasalso touched upon the potential of xanthohumol transitioning into a lead candidate from nano-therapy viewpoint along with the challenges which need to be addressed for extensive pre-clinical and clinical anti-cancer studies.
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Affiliation(s)
- Hardeep S Tuli
- Department of Biotechnology, Maharishi Markandeshwar (Deemed to be University), Mullana-Ambala - 133 207, Haryana. India
| | - Vaishali Aggarwal
- Department of Pharmaceutical Sciences, University of Pittsburgh, PA. United States
| | - Gaurav Parashar
- Department of Biotechnology, Maharishi Markandeshwar (Deemed to be University), Mullana-Ambala - 133 207, Haryana. India
| | - Diwakar Aggarwal
- Department of Biotechnology, Maharishi Markandeshwar (Deemed to be University), Mullana-Ambala - 133 207, Haryana. India
| | - Nidarshana C Parashar
- Department of Biotechnology, Maharishi Markandeshwar (Deemed to be University), Mullana-Ambala - 133 207, Haryana. India
| | - Muobarak J Tuorkey
- Division of Physiology, Zoology Department, Faculty of Science, Damanhour University, Damanhour. Egypt
| | - Mehmet Varol
- Department of Molecular Biology and Genetics, Faculty of Science, MuglaSitkiKocman University, Mugla TR48000. Turkey
| | | | - Manoj Kumar
- Department of Chemistry, Maharishi Markandeshwar University, Sadopur. India
| | - Harpal S Buttar
- Department of Pathology and Laboratory Medicine, Faculty of Medicine, University of Ottawa, Ottawa, Ontario. Canada
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Santos CMM, Silva AMS. The Antioxidant Activity of Prenylflavonoids. Molecules 2020; 25:molecules25030696. [PMID: 32041233 PMCID: PMC7037609 DOI: 10.3390/molecules25030696] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 01/29/2020] [Accepted: 02/03/2020] [Indexed: 12/27/2022] Open
Abstract
Prenylated flavonoids combine the flavonoid moiety and the lipophilic prenyl side-chain. A great number of derivatives belonging to the class of chalcones, flavones, flavanones, isoflavones and other complex structures possessing different prenylation patterns have been studied in the past two decades for their potential as antioxidant agents. In this review, current knowledge on the natural occurrence and structural characteristics of both natural and synthetic derivatives was compiled. An exhaustive survey on the methods used to evaluate the antioxidant potential of these prenylflavonoids and the main results obtained were also presented and discussed. Whenever possible, structure-activity relationships were explored.
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Affiliation(s)
- Clementina M. M. Santos
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
- Correspondence: (C.M.M.S.); (A.M.S.S.)
| | - Artur M. S. Silva
- QOPNA & LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
- Correspondence: (C.M.M.S.); (A.M.S.S.)
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Chukwuma CI, Matsabisa MG, Rautenbach F, Rademan S, Oyedemi SO, Chaudhary SK, Javu M. Evaluation of the nutritional composition of Myrothamnus flabellifolius (Welw.) herbal tea and its protective effect against oxidative hepatic cell injury. J Food Biochem 2019; 43:e13026. [PMID: 31463942 DOI: 10.1111/jfbc.13026] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 07/22/2019] [Accepted: 08/11/2019] [Indexed: 01/12/2023]
Abstract
The nutrient composition of Myrothamnus flabellifolius leaf tea extract (MLTE) and its protective effect against oxidative hepatic cell injury were evaluated. Gallic acid, caffeic acid, ferulic acid, methyl gallate, and epicatechin were identified in MLTE by high-performance liquid chromatography (HPLC). The tea extract showed an appreciable nutritional content of proximate, sugar, vitamin E, monounsaturated fatty acids, omega 6 and 9 unsaturated fatty acids, as well as considerable amounts of various mineral elements. Nineteen amino acids were found. Moreover, MLTE exhibited potent in vitro antioxidant activities, presumably because of its richness in polyphenols (gallic acid and ferulic acid) and vitamin E. In Chang liver cells, pretreatment with MLTE suppressed oxidative lipid peroxidation (IC50 = 113.11 μg/ml) and GSH depletion (IC50 = 70.49 μg/ml) without causing cytotoxicity. These data support the local consumption of M. flabellifolius herbal tea, which may be used against oxidative stress-induced diseases while providing the body with necessary nutrients. PRACTICAL APPLICATION: Herbal teas are one of the most consumed beverages in the world today, due to their refreshing taste and additional health benefits. Myrothamnus flabellifolius herbal tea is a widely used traditional herbal tea in Southern Africa with potentials for commercialization due to its pleasant flavor. This study, for the first time, reported the nutritional composition of the leaf decoction of M. flabellifolius and its protective effect on hepatic oxidative insults. These results can inform the dietary and nutritional use of the tea for optimum benefits, as well as provide preliminary scientific validation of the use of the herbal tea as an antioxidant beverage with good nutritional value.
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Affiliation(s)
- Chika Ifeanyi Chukwuma
- Department of Pharmacology, School of Medicine, Faculty of Health Science, University of the Free State, Bloemfontein, South Africa.,Department of Health Sciences, Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, South Africa
| | - Motlalepula G Matsabisa
- Department of Pharmacology, School of Medicine, Faculty of Health Science, University of the Free State, Bloemfontein, South Africa
| | - Fanie Rautenbach
- Oxidative Stress Research Centre, Faculty of Health Sciences and Wellness, Cape Peninsula University of Technology, Bellville, South Africa
| | - Sunelle Rademan
- Department of Pharmacology, School of Medicine, Faculty of Health Science, University of the Free State, Bloemfontein, South Africa
| | - Sunday O Oyedemi
- Department of Pharmacology, School of Medicine, Faculty of Health Science, University of the Free State, Bloemfontein, South Africa
| | - Sushil K Chaudhary
- Department of Pharmacology, School of Medicine, Faculty of Health Science, University of the Free State, Bloemfontein, South Africa
| | - Mirranda Javu
- Department of Pharmacology, School of Medicine, Faculty of Health Science, University of the Free State, Bloemfontein, South Africa
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Trofin AE, Trincă LC, Ungureanu E, Ariton AM. CUPRAC Voltammetric Determination of Antioxidant Capacity in Tea Samples by Using Screen-Printed Microelectrodes. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2019; 2019:8012758. [PMID: 31218091 PMCID: PMC6536952 DOI: 10.1155/2019/8012758] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Revised: 04/09/2019] [Accepted: 04/16/2019] [Indexed: 06/09/2023]
Abstract
Measurement of antioxidant capacity represents an analytical major challenge in terms of accuracy, efficiency, rapid response, or low cost of detection methods. Quantification of antioxidant capacity of food samples using disposable screen-printed microelectrodes (SPMEs) was based on cyclic voltammetry versus open-circuit potential (CV vs OCP) and differential pulse voltammetry (DPV) as compared with spectrophotometric measurement of the CUPRAC reaction with 6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid (trolox). The SPMEs are organic-resistant electrodes and thus compatible with food samples and organic solvents used to dissolve trolox. A micropipette was used to release a drop of 50 μL sample on the spotted surface of the SPME sensor/working electrode that was time programmed to function according to the working protocol. The SPME response was linearly correlated with trolox content. This preliminary demonstration was focused on the analysis of tea infusions, due to the simplicity and reproducibility of the samples' preparations involved. Analytical results of the antioxidant capacity (expressed as mol·L-1 trolox equivalents) of the tea samples showed a good agreement in the case of spectrophotometry and differential pulse voltammetry (R 2 > 0.998). DPV with SPME based on CUPRAC reactions was proven to be a promising approach for the characterization of antioxidant capacity of tea samples with rapid response, cost-effectiveness, and simplicity of operation.
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Affiliation(s)
- Alina Elena Trofin
- Department of Exact Sciences, University of Agricultural Sciences and Veterinary Medicine “Ion Ionescu de la Brad”, Iasi 700490, Romania
| | - Lucia Carmen Trincă
- Department of Exact Sciences, University of Agricultural Sciences and Veterinary Medicine “Ion Ionescu de la Brad”, Iasi 700490, Romania
| | - Elena Ungureanu
- Department of Exact Sciences, University of Agricultural Sciences and Veterinary Medicine “Ion Ionescu de la Brad”, Iasi 700490, Romania
| | - Adina Mirela Ariton
- Research and Development Center for Cattle Breeding Dancu, Iasi 707252, Romania
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Bolton JL, Dunlap TL, Hajirahimkhan A, Mbachu O, Chen SN, Chadwick L, Nikolic D, van Breemen RB, Pauli GF, Dietz BM. The Multiple Biological Targets of Hops and Bioactive Compounds. Chem Res Toxicol 2019; 32:222-233. [PMID: 30608650 PMCID: PMC6643004 DOI: 10.1021/acs.chemrestox.8b00345] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Botanical dietary supplements for women's health are increasingly popular. Older women tend to take botanical supplements such as hops as natural alternatives to traditional hormone therapy to relieve menopausal symptoms. Especially extracts from spent hops, the plant material remaining after beer brewing, are enriched in bioactive prenylated flavonoids that correlate with the health benefits of the plant. The chalcone xanthohumol (XH) is the major prenylated flavonoid in spent hops. Other less abundant but important bioactive prenylated flavonoids are isoxanthohumol (IX), 8-prenylnaringenin (8-PN), and 6-prenylnaringenin (6-PN). Pharmacokinetic studies revealed that these flavonoids are conjugated rapidly with glucuronic acid. XH also undergoes phase I metabolism in vivo to form IX, 8-PN, and 6-PN. Several hop constituents are responsible for distinct effects linked to multiple biological targets, including hormonal, metabolic, inflammatory, and epigenetic pathways. 8-PN is one of the most potent phytoestrogens and is responsible for hops' estrogenic activities. Hops also inhibit aromatase activity, which is linked to 8-PN. The weak electrophile, XH, can activate the Keap1-Nrf2 pathway and turn on the synthesis of detoxification enzymes such as NAD(P)H-quinone oxidoreductase 1 and glutathione S-transferase. XH also alkylates IKK and NF-κB, resulting in anti-inflammatory activity. Antiobesity activities have been described for XH and XH-rich hop extracts likely through activation of AMP-activated protein kinase signaling pathways. Hop extracts modulate the estrogen chemical carcinogenesis pathway by enhancing P450 1A1 detoxification. The mechanism appears to involve activation of the aryl hydrocarbon receptor (AhR) by the AhR agonist, 6-PN, leading to degradation of the estrogen receptor. Finally, prenylated phenols from hops are known inhibitors of P450 1A1/2; P450 1B1; and P450 2C8, 2C9, and 2C19. Understanding the biological targets of hop dietary supplements and their phytoconstituents will ultimately lead to standardized botanical products with higher efficacy, safety, and chemopreventive properties.
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Affiliation(s)
- Judy L. Bolton
- UIC/NIH Center for Botanical Dietary Supplements Research, University of Illinois at Chicago, 833 S. Wood Street, Chicago, Illinois 60612-7231, United States
| | - Tareisha L. Dunlap
- UIC/NIH Center for Botanical Dietary Supplements Research, University of Illinois at Chicago, 833 S. Wood Street, Chicago, Illinois 60612-7231, United States
| | - Atieh Hajirahimkhan
- UIC/NIH Center for Botanical Dietary Supplements Research, University of Illinois at Chicago, 833 S. Wood Street, Chicago, Illinois 60612-7231, United States
| | - Obinna Mbachu
- UIC/NIH Center for Botanical Dietary Supplements Research, University of Illinois at Chicago, 833 S. Wood Street, Chicago, Illinois 60612-7231, United States
| | - Shao-Nong Chen
- UIC/NIH Center for Botanical Dietary Supplements Research, University of Illinois at Chicago, 833 S. Wood Street, Chicago, Illinois 60612-7231, United States
- Center for Natural Product Technologies, Department of Medicinal Chemistry and Pharmacognosy (M/C 781), College of Pharmacy, University of Illinois at Chicago, 833 S. Wood Street, Chicago, Illinois 60612-7231, United States
| | - Luke Chadwick
- Bell’s Brewery, 8938 Krum Avenue, Galesburg, Michigan 49053, United States
| | - Dejan Nikolic
- UIC/NIH Center for Botanical Dietary Supplements Research, University of Illinois at Chicago, 833 S. Wood Street, Chicago, Illinois 60612-7231, United States
| | - Richard B. van Breemen
- Linus Pauling Institute, Oregon State University, 305 Linus Pauling Science Center, Corvallis, Oregon 97331, United States
| | - Guido F. Pauli
- UIC/NIH Center for Botanical Dietary Supplements Research, University of Illinois at Chicago, 833 S. Wood Street, Chicago, Illinois 60612-7231, United States
- Center for Natural Product Technologies, Department of Medicinal Chemistry and Pharmacognosy (M/C 781), College of Pharmacy, University of Illinois at Chicago, 833 S. Wood Street, Chicago, Illinois 60612-7231, United States
| | - Birgit M. Dietz
- UIC/NIH Center for Botanical Dietary Supplements Research, University of Illinois at Chicago, 833 S. Wood Street, Chicago, Illinois 60612-7231, United States
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Zielińska E, Karaś M, Jakubczyk A. Antioxidant activity of predigested protein obtained from a range of farmed edible insects. Int J Food Sci Technol 2016. [DOI: 10.1111/ijfs.13282] [Citation(s) in RCA: 76] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- Ewelina Zielińska
- Department of Biochemistry and Food Chemistry; University of Life Sciences in Lublin; Skromna Str. 8 20-704 Lublin Poland
| | - Monika Karaś
- Department of Biochemistry and Food Chemistry; University of Life Sciences in Lublin; Skromna Str. 8 20-704 Lublin Poland
| | - Anna Jakubczyk
- Department of Biochemistry and Food Chemistry; University of Life Sciences in Lublin; Skromna Str. 8 20-704 Lublin Poland
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