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Wenzel CK, von Montfort C, Ebbert L, Klahm NP, Reichert AS, Stahl W, Brenneisen P. The natural chalcone cardamonin selectively induces apoptosis in human neuroblastoma cells. Toxicol In Vitro 2023:105625. [PMID: 37268255 DOI: 10.1016/j.tiv.2023.105625] [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: 03/09/2023] [Revised: 05/11/2023] [Accepted: 05/26/2023] [Indexed: 06/04/2023]
Abstract
Neuroblastoma is the most common extracranial malignant tumor in childhood. Approximately 60% of all patients are classified as high-risk and require intensive treatment including non-selective chemotherapeutic agents leading to severe side effects. Recently, phytochemicals like the natural chalcone cardamonin (CD) have gained attention in cancer research. For the first time, we investigated the selective anti-cancer effects of CD in SH-SY5Y human neuroblastoma cells compared to healthy (normal) fibroblasts (NHDF). Our study revealed selective and dose-dependent cytotoxicity of CD in SH-SY5Y. The natural chalcone CD specifically altered the mitochondrial membrane potential (ΔΨm), as an early marker of apoptosis, in human neuroblastoma cells. Caspase activity was also selectively induced and the amount of cleaved caspase substrates such as PARP was thus increased in human neuroblastoma cells. CD-mediated apoptotic cell death was rescued by pan caspase inhibitor Z-VAD-FMK. The natural chalcone CD selectively induced apoptosis, the programmed cell death, in SH-SY5Y human neuroblastoma cells whereas NHDF being a model for normal (healthy) cells were unaffected. Our data indicates a clinical potential of CD in the more selective and less harmful treatment of neuroblastoma.
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Affiliation(s)
- Chantal-Kristin Wenzel
- Institute of Biochemistry and Molecular Biology I, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany.
| | - Claudia von Montfort
- Institute of Biochemistry and Molecular Biology I, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Lara Ebbert
- Institute of Biochemistry and Molecular Biology I, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Niklas P Klahm
- Institute of Biochemistry and Molecular Biology I, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Andreas S Reichert
- Institute of Biochemistry and Molecular Biology I, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Wilhelm Stahl
- Institute of Biochemistry and Molecular Biology I, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Peter Brenneisen
- Institute of Biochemistry and Molecular Biology I, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
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Kurt-Celep I, Zheleva-Dimitrova D, Gevrenova R, Uba AI, Zengin G, Yıldıztugay E, Picot-Allain CMN, Lorenzo JM, Mahomoodally MF, Montesano D. An In-Depth Study on the Metabolite Profile and Biological Properties of Primula auriculata Extracts: A Fascinating Sparkle on the Way from Nature to Functional Applications. Antioxidants (Basel) 2022; 11:1377. [PMID: 35883868 PMCID: PMC9312287 DOI: 10.3390/antiox11071377] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 07/08/2022] [Accepted: 07/11/2022] [Indexed: 12/26/2022] Open
Abstract
The biological activity of the aerial part and rhizomes of Primula auriculata were assessed for the first time. The biological activities (antioxidant properties, enzyme inhibition, and AGE inhibition) as well as the phenolic and flavonoid contents of the ethyl acetate, ethanol, hydro-ethanol and water extracts of P. auriculata aerial parts and rhizomes were determined. Cell viability assays and gelatin zymography were also performed for MMP-2/-9 to determine the molecular mechanisms of action. The gene expression for MMPs was described with RT-PCR. The levels of various proteins, including phospho-Nf-κB, BCL-2, BAX, p-53, and cyclin D1 as well as RAGE were measured using Western blot analysis. The hydro-ethanol extract of the aerial part possessed the highest phenolic (56.81 mg GAE/g) and flavonoid (63.92 mg RE/g) contents. In-depth profiling of the specialized metabolites by ultra-high-performance liquid chromatography-high-resolution mass spectrometry (UHPLC-HRMS) allowed for the identification and annotation of 65 compounds, including phenolic acids and glycosides, flavones, flavonols, chalcones, dihydrochalcones, and saponins. The hydro-ethanol extract of the aerial parts (132.65, 180.87, 172.46, and 108.37 mg TE/g, for the DPPH, ABTS, CUPRAC, and FRAP assays, respectively) and the ethanol extract of the rhizomes (415.06, 638.30, 477.77, and 301.02 mg TE/g, for the DPPH, ABTS, CUPRAC, and FRAP assays, respectively) exhibited the highest free radical scavenging and reducing activities. The ethanol and hydro-ethanol extracts of both the P. auriculata aerial part and rhizomes exhibited higher inhibitory activity against acetylcholinesterase, while the hydro-ethanol extracts (1.16 mmol ACAE/g, for both the aerial part and rhizomes extracts) were more active in the inhibition of α-glucosidase. After the treatment of an HT-29 colorectal cancer cell line with the extracts, the apoptosis mechanism was initiated, the integrity of the ECM was remodeled, and cell proliferation was also taken under control. In this way, Primula extracts were shown to be potential drug sources in the treatment of colorectal cancer. They were also detected as natural MMP inhibitors. The findings presented in the present study appraise the bioactivity of P. auriculata, an understudied species. Additional assessment is required to evaluate the cytotoxicity of P. auriculata as well as its activity in ex vivo systems.
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Affiliation(s)
- Inci Kurt-Celep
- Department of Pharmacognosy, Faculty of Pharmacy, Yeditepe University, 34755 Istanbul, Turkey;
| | - Dimitrina Zheleva-Dimitrova
- Department of Pharmacognosy, Faculty of Pharmacy, Medical University-Sofia, 1000 Sofia, Bulgaria; (D.Z.-D.); (R.G.)
| | - Reneta Gevrenova
- Department of Pharmacognosy, Faculty of Pharmacy, Medical University-Sofia, 1000 Sofia, Bulgaria; (D.Z.-D.); (R.G.)
| | - Abdullahi Ibrahim Uba
- Department of Molecular Biology and Genetics, Faculty of Engineering and Natural Sciences, Kadir Has University, 34083 Istanbul, Turkey;
| | - Gokhan Zengin
- Physiology and Biochemistry Research Laboratory, Department of Biology, Science Faculty, Selcuk University, 42130 Konya, Turkey
| | - Evren Yıldıztugay
- Department of Biotechnology, Science Faculty, Selcuk University, 42079 Konya, Turkey;
| | - Carene Marie Nancy Picot-Allain
- Department of Health Sciences, Faculty of Medicine and Health Sciences, University of Mauritius, 80837 Réduit, Mauritius; (C.M.N.P.-A.); (M.F.M.)
| | - José Manuel Lorenzo
- Centro Tecnológico de la Carne de Galicia, Rúa Galicia No. 4, Parque Tecnológico de Galicia, San Cibrao das Viñas, 32900 Ourense, Spain;
- Área de Tecnoloxía dos Alimentos, Facultade de Ciencias, Universidade de Vigo, 32004 Ourense, Spain
| | - Mohamad Fawzi Mahomoodally
- Department of Health Sciences, Faculty of Medicine and Health Sciences, University of Mauritius, 80837 Réduit, Mauritius; (C.M.N.P.-A.); (M.F.M.)
| | - Domenico Montesano
- Department of Pharmacy, University of Naples Federico II, Via D. Montesano 49, 80131 Naples, Italy
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Bailly C, Vergoten G. Mechanistic insights into dimethyl cardamonin-mediated pharmacological effects: A double control of the AMPK-HMGB1 signaling axis. Life Sci 2020; 263:118601. [PMID: 33086122 PMCID: PMC7568849 DOI: 10.1016/j.lfs.2020.118601] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 10/05/2020] [Accepted: 10/10/2020] [Indexed: 12/23/2022]
Abstract
Dimethyl cardamonin (DMC) has been isolated from diverse plants, notably from Cleistocalyx operculatus. We have reviewed the pharmacological properties of this natural product which displays anti-inflammatory, anti-hyperglycemic and anti-cancer properties. The pharmacological activities essentially derive from the capacity of DMC to interact with the protein targets HMGB1 and AMPK. Upon binding to HMGB1, DMC inhibits the nucleocytoplasmic transfer of the protein and its extracellular secretion, thereby blocking its alarmin function. DMC also binds to the AMP site of AMPK to activate phospho-AMPK and then to trigger downstream signals leading to the anti-inflammatory and anti-hyperglycemic effects. AMPK activation by DMC reinforces inhibition of HMGB1, to further reduce the release of the alarmin protein, likely contributing to the anticancer effects. The characterization of a tight control of DMC over the AMPK-HMGB1 axis not only helps to explain the known activities of DMC but also suggests opportunities to use this chalcone to treat other pathological conditions such as the acute respiratory distress syndrome (which affects patients with COVID-19). DMC structural analogues are also evoked.
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Affiliation(s)
| | - Gérard Vergoten
- University of Lille, Inserm, U995 - LIRIC - Lille Inflammation Research International Center, ICPAL, 3 rue du Professeur Laguesse, BP-83, F-59006 Lille, France
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Zhang X, Feng P, Gao X, Wang B, Gou C, Bian R. In vitro inhibitory effects of cepharanthine on human liver cytochrome P450 enzymes. PHARMACEUTICAL BIOLOGY 2020; 58:247-252. [PMID: 32223485 PMCID: PMC7170383 DOI: 10.1080/13880209.2020.1741650] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
Context: Cepharanthine (CEP) extracted from the roots of Stephania cepharantha Hayata (Menispermaceae), has a range of therapeutic potential in clinical conditions. Whether it affects the activity of human liver cytochrome P450 (CYP) enzymes remains unclear.Materials and methods: The effects of CEP (100 μM) on eight human liver CYP isoforms (i.e., 1A2, 3A4, 2A6, 2E1, 2D6, 2C9, 2C19 and 2C8) were investigated in vitro using human liver microsomes (HLMs) with specific probe actions and probe substrates. In addition, the enzyme kinetic parameters were calculated.Results: The results showed that the activity of CYP3A4, CYP2E1 and CYP2C9 was inhibited by CEP, with IC50 values of 16.29, 25.62 and 24.57 μM, respectively, but other CYP isoforms were not affected. Enzyme kinetic studies showed that CEP was not only a non-competitive inhibitor of CYP3A4 but also a competitive inhibitor of CYP2E1 and CYP2C9, with Ki values of 8.12, 11.78 and 13.06 μM, respectively. Additionally, CEP is a time-dependent inhibitor for CYP3A4 with KI/Kinact value of 10.84/0.058 min/μM.Discussion and conclusions: The in vitro studies of CEP with CYP isoforms indicate that CEP has the potential to cause pharmacokinetic drug interactions with other co-administered drugs metabolized by CYP3A4, CYP2E1 and CYP2C9. Further clinical studies are needed to evaluate the significance of this interaction.
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Affiliation(s)
- Xunge Zhang
- Department of Pharmacy, Binzhou Medical University Hospital, Binzhou, PR China
| | - Ping Feng
- Department of Pharmacy, Binzhou Medical University Hospital, Binzhou, PR China
| | - Xinfu Gao
- Department of Pharmacy, Binzhou Medical University Hospital, Binzhou, PR China
| | - Bin Wang
- Department of Pharmacy, Binzhou Medical University Hospital, Binzhou, PR China
| | - Chunxia Gou
- Department of Pharmacy, Binzhou Medical University Hospital, Binzhou, PR China
| | - Ruimin Bian
- Department of Pharmacy, Binzhou Medical University Hospital, Binzhou, PR China
- CONTACT Ruimin Bian Department of Pharmacy, Binzhou Medical University Hospital, No. 661, Huanghe Road, Binzhou256603, Shandong, PR China
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Systematic screening and characterization of cardamonin metabolites using UHPLC-Q-Exactive Orbitrap MS after oral administration to rats. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2020.10.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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Nawaz J, Rasul A, Shah MA, Hussain G, Riaz A, Sarfraz I, Zafar S, Adnan M, Khan AH, Selamoglu Z. Cardamonin: A new player to fight cancer via multiple cancer signaling pathways. Life Sci 2020; 250:117591. [PMID: 32224026 DOI: 10.1016/j.lfs.2020.117591] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 03/14/2020] [Accepted: 03/22/2020] [Indexed: 12/13/2022]
Abstract
Nature's pharmacy has undoubtedly served humans as an affordable and safer health-care regime for a long times. Cardamonin, a chalconoid present in several plants has been known for a longtime to have beneficial properties towards human health. In this review, we aimed to highlight the recent advances achieved in discovering the pharmacological properties of cardamonin. Cardamonin is cardamom-derived chalcone, which plays a role in cancer treatment, immune system modulation, inflammation and pathogens killing. Through the modulation of cellular signaling pathways, cardamonin activates cell death signal to induce apoptosis in malignant cells that results in the inhibition of cancer development. Moreover, cardamonin arrests cell cycle by altering the expression of regulatory proteins during malignant cells division. Due to its relatively selective cytotoxic potential against host malignant cells, cardamonin is emerging as a promising novel experimental anticancer agent. The potential of cardamonin to target various signaling molecules, transcriptional factors, cytokines and enzymes, such as mTOR, NF-κB, Akt, STAT3, Wnt/β-catenin and COX-2 enhances the opportunity to explore it as a new multi-target therapeutic agent. The pharmacokinetic and biosafety profile of cardamonin favor it as a potentially safe biomolecule for pharmaceutical drug development.
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Affiliation(s)
- Javaria Nawaz
- Department of Zoology, Faculty of Life Sciences, Government College University, Faisalabad 38000, Pakistan
| | - Azhar Rasul
- Department of Zoology, Faculty of Life Sciences, Government College University, Faisalabad 38000, Pakistan.
| | - Muhammad Ajmal Shah
- Department of Pharmacognosy, Faculty of Pharmaceutical Sciences, Government College University Faisalabad 38000, Pakistan.
| | - Ghulam Hussain
- Neurochemical biology and Genetics Laboratory, Department of Physiology, Faculty of Life Sciences, Government College University, Faisalabad 38000, Pakistan
| | - Ammara Riaz
- Department of Zoology, Faculty of Life Sciences, Government College University, Faisalabad 38000, Pakistan
| | - Iqra Sarfraz
- Department of Zoology, Faculty of Life Sciences, Government College University, Faisalabad 38000, Pakistan
| | - Saba Zafar
- Department of Zoology, Faculty of Life Sciences, Government College University, Faisalabad 38000, Pakistan
| | - Muhammad Adnan
- Department of Zoology, Faculty of Life Sciences, Government College University, Faisalabad 38000, Pakistan
| | - Abdul Haleem Khan
- Department of Pharmacy, Forman Christian College (A Chartered University), Lahore 54600, Pakistan
| | - Zeliha Selamoglu
- Department of Medical Biology, Faculty of Medicine, Nigde Ömer Halisdemir University, Nigde, Campus 51240, Turkey
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Jiang JZ, Yang BH, Ji LL, Yang L, Mao YC, Hu ZH, Wang ZT, Wang CH. Metabolic-induced cytotoxicity of diosbulbin B in CYP3A4-expressing cells. Toxicol In Vitro 2017; 38:59-66. [DOI: 10.1016/j.tiv.2016.11.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Revised: 10/06/2016] [Accepted: 11/04/2016] [Indexed: 01/14/2023]
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Jaiswal S, Shukla M, Sharma A, Rangaraj N, Vaghasiya K, Malik MY, Lal J. Preclinical pharmacokinetics and ADME characterization of a novel anticancer chalcone, cardamonin. Drug Test Anal 2016; 9:1124-1136. [PMID: 27794181 DOI: 10.1002/dta.2128] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Revised: 08/17/2016] [Accepted: 10/25/2016] [Indexed: 12/17/2022]
Abstract
Cardamonin (CRD), a chalconoid obtained from several medicinal plants of Zingiberaceae family, had shown promising potential in cancer prevention and therapy. For further development and better pharmacological elucidation, we performed a series of in vitro and in vivo studies to characterize its preclinical pharmacokinetics. The study samples were analyzed using validated liquid chromatography-tandem mass spectrometry (LC-MS/MS) and high performance liquid chromatography-ultra violet (HPLC-UV) methods. CRD is partially soluble (<10 μM) and possess high permeability (>0.2 × 10-4 cm/sec). It is moderately bound to plasma proteins (<50%). It shows partitioning in red blood cell (RBC) compartment with the partition coefficient between RBCs and plasma (KRBC/P ) of 0.95 at 0 min to 1.39 at 60 min, indicating significant but slow RBC uptake. In mice, CRD is poorly absorbed after oral administration with 18% oral bioavailability. It possesses high clearance, short mean residence time, and high volume of distribution in mice. It exhibited multiple peak phenomena both after oral and intravenous administration and is excreted both as conjugated and unchanged CRD in bile. It is majorly excreted in faeces and negligibly in urine. The preclinical absorption, distribution, metabolism, and excretion data are expected to succour the future clinical investigations of CRD as a promising anticancer agent. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Swati Jaiswal
- Pharmacokinetics & Metabolism Division, CSIR-Central Drug Research Institute, Lucknow, India.,Academy of Scientific and Innovative Research, New Delhi, India
| | - Mahendra Shukla
- Pharmacokinetics & Metabolism Division, CSIR-Central Drug Research Institute, Lucknow, India.,Academy of Scientific and Innovative Research, New Delhi, India
| | - Abhisheak Sharma
- Pharmacokinetics & Metabolism Division, CSIR-Central Drug Research Institute, Lucknow, India.,Academy of Scientific and Innovative Research, New Delhi, India.,Department of Pharmaceutics and Drug Delivery, The University of Mississippi, Mississippi, USA
| | - Nagarjun Rangaraj
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Raebareli, India
| | - Kalpesh Vaghasiya
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Raebareli, India
| | - Mohd Yaseen Malik
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Raebareli, India
| | - Jawahar Lal
- Pharmacokinetics & Metabolism Division, CSIR-Central Drug Research Institute, Lucknow, India.,Academy of Scientific and Innovative Research, New Delhi, India
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Zenger K, Agnolet S, Schneider B, Kraus B. Biotransformation of Flavokawains A, B, and C, Chalcones from Kava (Piper methysticum), by Human Liver Microsomes. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:6376-6385. [PMID: 26123050 DOI: 10.1021/acs.jafc.5b01858] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The in vitro metabolism of flavokawains A, B, and C (FKA, FKB, FKC), methoxylated chalcones from Piper methysticum, was examined using human liver microsomes. Phase I metabolism and phase II metabolism (glucuronidation) as well as combined phase I+II metabolism were studied. For identification and structure elucidation of microsomal metabolites, LC-HRESIMS and NMR techniques were applied. Major phase I metabolites were generated by demethylation in position C-4 or C-4' and hydroxylation predominantly in position C-4, yielding FKC as phase I metabolite of FKA and FKB, helichrysetin as metabolite of FKA and FKC, and cardamonin as metabolite of FKC. To an even greater extent, flavokawains were metabolized in the presence of uridine diphosphate (UDP) glucuronic acid by microsomal UDP-glucuronosyl transferases. For all flavokawains, monoglucuronides (FKA-2'-O-glucuronide, FKB-2'-O-glucuronide, FKC-2'-O-glucuronide, FKC-4-O-glucuronide) were found as major phase II metabolites. The dominance of generated glucuronides suggests a role of conjugated chalcones as potential active compounds in vivo.
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Affiliation(s)
- Katharina Zenger
- †Pharmaceutical Biology, Institute of Pharmacy, University of Regensburg, Universitätsstraße 31, 93053 Regensburg, Germany
| | - Sara Agnolet
- §Max-Planck-Institute for Chemical Ecology, Beutenberg Campus, Hans-Knöll-Straße 8, 07745 Jena, Germany
| | - Bernd Schneider
- §Max-Planck-Institute for Chemical Ecology, Beutenberg Campus, Hans-Knöll-Straße 8, 07745 Jena, Germany
| | - Birgit Kraus
- †Pharmaceutical Biology, Institute of Pharmacy, University of Regensburg, Universitätsstraße 31, 93053 Regensburg, Germany
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Liu Q, Wang Y, Xiao C, Wu W, Liu X. Metabolism of chicoric acid by rat liver microsomes and bioactivity comparisons of chicoric acid and its metabolites. Food Funct 2015; 6:1928-35. [DOI: 10.1039/c5fo00073d] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Chicoric acid has recently become a hot research topic due to its potent bioactivities.
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Affiliation(s)
- Qian Liu
- College of Food Science and Engineering
- Northwest A&F University
- Yangling 712100
- China
| | - Yutang Wang
- College of Food Science and Engineering
- Northwest A&F University
- Yangling 712100
- China
| | - ChunXia Xiao
- College of Food Science and Engineering
- Northwest A&F University
- Yangling 712100
- China
| | - Wanqiang Wu
- College of Food Science and Engineering
- Northwest A&F University
- Yangling 712100
- China
| | - Xuebo Liu
- College of Food Science and Engineering
- Northwest A&F University
- Yangling 712100
- China
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Abstract
Cardamonin, as shown by the increasing number of publications, has received growing attention from the scientific community due to the expectations toward its benefits to human health. In this study, research on cardamonin is reviewed, including its natural sources, health promoting aspects, and analytical methods for its determination. Therefore, this article hopes to aid current and future researchers on the search for reliable answers concerning cardamonin's value in medicine.
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Affiliation(s)
- Luís Moreira Gonçalves
- Requimte, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto , Porto, Portugal
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Pharmacokinetic interactions of clopidogrel with quercetin, telmisartan, and cyclosporine A in rats and dogs. Arch Pharm Res 2012; 35:1831-7. [DOI: 10.1007/s12272-012-1017-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2012] [Revised: 08/13/2012] [Accepted: 08/24/2012] [Indexed: 02/07/2023]
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Carvalho AM, Gonçalves LM, Valente IM, Rodrigues JA, Barros AA. Analysis of cardamonin by square wave voltammetry. PHYTOCHEMICAL ANALYSIS : PCA 2012; 23:396-399. [PMID: 22025454 DOI: 10.1002/pca.1370] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2011] [Revised: 09/26/2011] [Accepted: 09/26/2011] [Indexed: 05/31/2023]
Abstract
INTRODUCTION Several biochemical studies have already shown that cardamonin has health promoting properties, such is in agreement with typical characteristics of chalcones. Although being a very promising compound for the nutraceutical field there is a lack of studies concerning its electroanalytical properties. OBJECTIVE To develop an electroanalytical methodology for the quantification of cardamonin in cardamom. METHODOLOGY Cardamonin was analysed electrochemically by means of a hanging mercury drop electrode (HMDE) using square wave voltammetry (SWV). It was extracted from cardamom spice and quantified thereafter using the standard additions method to overcome matrix effects. RESULTS A limit of detection (LOD) of 0.15 mg/L and good linearity (r² = 0.9998) were obtained. Decoction using ethanol as the extraction solvent appears to be the simplest extraction technique. Spectrophotometric analysis (maximum absorbance peak was found in ethanol at 344 nm with a value of molar extinction coefficient of (2.8 ± 0.1) × 10⁴ L mol⁻¹ cm⁻¹) and mass spectrometry analysis by electrospray in the positive ion mode were also performed. CONCLUSION Cardamonin was detected voltammetrically. The LOD and limit of quantification (LOQ) of the proposed voltammetric methodology are adequate for trace analysis of this compound in several phytochemical matrices.
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Affiliation(s)
- Ana M Carvalho
- Requimte, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre No. 687, 4169-007 Porto, Portugal
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