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Quality by Design (QbD) Based Method for Estimation of Xanthohumol in Bulk and Solid Lipid Nanoparticles and Validation. Molecules 2023; 28:molecules28020472. [PMID: 36677532 PMCID: PMC9864017 DOI: 10.3390/molecules28020472] [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: 10/18/2022] [Revised: 11/21/2022] [Accepted: 11/21/2022] [Indexed: 01/05/2023] Open
Abstract
The analytical quality by design (AQbD) approach is utilized for developing and validating the simple, sensitive, cost-effective reverse-phase high performance liquid chromatographic method for the estimation of xanthohumol (XH) in bulk and nanoformulations. The Box-Behnken design (BBD) is applied for method optimization. The mobile phase ratio, pH and flow rate were selected as independent variables, whereas retention time, peak area, peak height, tailing factor, and theoretical plates were selected as dependent variables. The chromatogram of XH obtained under optimized conditions has given optimum conditions such as retention time (5.392 min), peak area (1,226,737 mAU), peak height (90,121 AU), tailing factor (0.991) and theoretical plates (4446.667), which are contoured in the predicted values shown by BBD. Validation of the method has been performed according to ICH Q2(R1) recommendations, using optimized conditions for linearity, limit of detection (LOD) and limit of quantification (LOQ), accuracy, precision, robustness and system suitability. All the values of validation parameters lie within the acceptable limits prescribed by ICH. Therefore, the developed and validated method of XH by the AQbD approach can be applied for the estimation of XH in bulk and various nanoformulations.
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2
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Bioanalytical Method Development, Validation and Stability Assessment of Xanthohumol in Rat Plasma. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27207117. [PMID: 36296708 PMCID: PMC9608944 DOI: 10.3390/molecules27207117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/07/2022] [Accepted: 10/12/2022] [Indexed: 11/29/2022]
Abstract
Xanthohumol (XH) a prenylated chalcone has diverse therapeutic effects against various diseases. In the present study, a bioanalytical method was developed for XH in rat plasma using reverse phase high performance liquid chromatography. The validation of the method was performed as per ICH M10 guidelines using curcumin as an internal standard. The Isocratic elution method was used with a run time of 10 min, wherein the mobile phase ratio 0.1% v/v OPA (A): Methanol (B) was 15:85 v/v at flow rate 0.8 mL/min and injection volume of 20 µL. The chromatograms of XH and curcumin was recorded at a wavelength of 370 nm. The retention time for XH and curcumin was 7.4 and 5.8 min, respectively. The spiked XH from plasma was extracted by the protein precipitation method. The developed method was linear with R2 value of 0.9996 over a concentration range of 50-250 ng/mL along with LLOQ. The results of all the validation parameters are found to be within the accepted limits with %RSD value less than 2 and the percentage recovery was found to be greater than 95%. Based on the %RSD and percentage recovery results it was confirmed that the method was precise and accurate among the study replicates. LOD and LOQ values in plasma samples were found to be 8.49 ng/mL and 25.73 ng/mL, respectively. The stability studies like freeze thaw, short term and long-term stability studies were also performed, %RSD and percentage recovery of the XH from plasma samples were within the acceptable limits. Therefore, the developed bioanalytical method can be used effectively for estimation of XH in plasma samples.
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3
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Application of Nanomicelles in Enhancing Bioavailability and Biological Efficacy of Bioactive Nutrients. Polymers (Basel) 2022; 14:polym14163278. [PMID: 36015535 PMCID: PMC9415603 DOI: 10.3390/polym14163278] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/04/2022] [Accepted: 08/08/2022] [Indexed: 11/24/2022] Open
Abstract
Nutraceuticals provide many biological benefits besides their basic nutritional value. However, their biological efficacies are often limited by poor absorption and low bioavailability. Nanomaterials have received much attention as potential delivery systems of nutrients and phytonutrients for multiple applications. Nanomicelles are nanosized colloidal structures with a hydrophobic core and hydrophilic shell. Due to their unique characteristics, they have shown great perspectives in food and nutraceutical science. In this review, we discussed the unique properties of nanomicelles. We also emphasized the latest advances on the design of different nanomicelles for efficient delivery and improved bioavailability of various nutrients. The role of nanomicelles in the efficacy improvement of bioactive components from nutraceutical and health foods has been included. Importantly, the safety concerns on nano-processed food products were highlighted.
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Synthesis of Human Phase I and Phase II Metabolites of Hop (Humulus lupulus) Prenylated Flavonoids. Metabolites 2022; 12:metabo12040345. [PMID: 35448532 PMCID: PMC9030851 DOI: 10.3390/metabo12040345] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 04/09/2022] [Accepted: 04/10/2022] [Indexed: 12/12/2022] Open
Abstract
Hop prenylated flavonoids have been investigated for their in vivo activities due to their broad spectrum of positive health effects. Previous studies on the metabolism of xanthohumol using untargeted methods have found that it is first degraded into 8-prenylnaringenin and 6-prenylnaringenin, by spontaneous cyclisation into isoxanthohumol, and subsequently demethylated by gut bacteria. Further combinations of metabolism by hydroxylation, sulfation, and glucuronidation result in an unknown number of isomers. Most investigations involving the analysis of prenylated flavonoids used surrogate or untargeted approaches in metabolite identification, which is prone to errors in absolute identification. Here, we present a synthetic approach to obtaining reference standards for the identification of human xanthohumol metabolites. The synthesised metabolites were subsequently analysed by qTOF LC-MS/MS, and some were matched to a human blood sample obtained after the consumption of 43 mg of micellarised xanthohumol. Additionally, isomers of the reference standards were identified due to their having the same mass fragmentation pattern and different retention times. Overall, the methods unequivocally identified the metabolites of xanthohumol that are present in the blood circulatory system. Lastly, in vitro bioactive testing should be applied using metabolites and not original compounds, as free compounds are scarcely found in human blood.
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Neumann HF, Frank J, Venturelli S, Egert S. Bioavailability and Cardiometabolic Effects of Xanthohumol: Evidence from Animal and Human Studies. Mol Nutr Food Res 2021; 66:e2100831. [PMID: 34967501 DOI: 10.1002/mnfr.202100831] [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: 09/07/2021] [Revised: 11/25/2021] [Indexed: 11/11/2022]
Abstract
Xanthohumol is the main prenylflavonoid in hops and has been associated with a wide range of health benefits, due to its anti-inflammatory, anti-oxidative, and cancer-preventive properties. Increasing evidence suggests that xanthohumol positively affects biomarkers associated with metabolic syndrome and cardiovascular diseases (CVDs). This review summarizes the effects of xanthohumol supplementation on body weight, lipid and glucose metabolism, systemic inflammation, and redox status. In addition, it provides insights into the pharmacokinetics of xanthohumol intake. Animal studies show that xanthohumol exerts beneficial effects on body weight, lipid profile, glucose metabolism, and other biochemical parameters associated with metabolic syndrome and CVDs. Although in vitro studies are increasingly elucidating the responsible mechanisms, the overall in vivo results are currently inconsistent and quantitatively insufficient. Pharmacokinetic and safety studies confirm that intake of xanthohumol is safe and well tolerated in both animals and humans. However, little is known about the metabolism of xanthohumol in the human body, and even less about its effects on body weight and CVD risk factors. There is an urgent need for studies investigating whether the effects of xanthohumol on body weight and cardiometabolic parameters observed in animal studies are reproducible in humans, and what dosage, formulation, and intervention period are required. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Hannah F Neumann
- Institute of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany.,Department of Nutrition and Food Sciences, University of Bonn, Germany
| | - Jan Frank
- Institute of Nutritional Sciences, University of Hohenheim, Stuttgart, Germany
| | - Sascha Venturelli
- Institute of Nutritional Sciences, University of Hohenheim, Stuttgart, Germany.,Institute of Physiology, University of Tuebingen, Tuebingen, Germany
| | - Sarah Egert
- Institute of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany.,Department of Nutrition and Food Sciences, University of Bonn, Germany
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Sánchez-Aguinagalde O, Meaurio E, Lejardi A, Sarasua JR. Amorphous solid dispersions in poly(ε-caprolactone)/xanthohumol bioactive blends: physicochemical and mechanical characterization. J Mater Chem B 2021; 9:4219-4229. [PMID: 33998613 DOI: 10.1039/d0tb02964e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
This paper reports the obtention of amorphous solid dispersions (ASDs) of xanthohumol (XH) in PCL containing up to 50 wt% of the bioactive compound in the amorphous form thanks to the advantageous specific interactions established in this system. The miscibility of the PCL/XH blends was investigated using DSC. Melting point depression analysis yielded a negative interaction parameter indicating the occurrence of favorable inter-association interactions. XRD analyses performed at room temperature agree with the crystallinity results obtained on the heating runs performed by DSC. FTIR spectroscopy reveals strong C[double bond, length as m-dash]OO-H specific interactions between the hydroxyl groups of XH and the carbonyl groups of PCL. The AFM analysis of the blends obtained by spin-coating shows the variation of crystalline morphology with composition. Finally, tensile tests reveal high toughness retention for the blends in which XH can be dispersed in the amorphous form (containing up to 50 wt% XH). In summary, PCL is a convenient matrix to disperse XH in the amorphous form, bringing the possibility of obtaining completely amorphous bioactive materials suitable for the development of non-stiff biomedical devices.
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Affiliation(s)
- Oroitz Sánchez-Aguinagalde
- Department of Mining-Metallurgy Engineering and Materials Science, POLYMAT, University of The Basque Country (UPV/EHU), School of Engineering I, Plaza Ingeniero Torres Quevedo 1, Bilbao, Spain.
| | - Emilio Meaurio
- Department of Mining-Metallurgy Engineering and Materials Science, POLYMAT, University of The Basque Country (UPV/EHU), School of Engineering I, Plaza Ingeniero Torres Quevedo 1, Bilbao, Spain.
| | - Ainhoa Lejardi
- Department of Mining-Metallurgy Engineering and Materials Science, POLYMAT, University of The Basque Country (UPV/EHU), School of Engineering I, Plaza Ingeniero Torres Quevedo 1, Bilbao, Spain.
| | - Jose-Ramon Sarasua
- Department of Mining-Metallurgy Engineering and Materials Science, POLYMAT, University of The Basque Country (UPV/EHU), School of Engineering I, Plaza Ingeniero Torres Quevedo 1, Bilbao, Spain.
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7
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Buckett L, Schinko S, Urmann C, Riepl H, Rychlik M. Stable Isotope Dilution Analysis of the Major Prenylated Flavonoids Found in Beer, Hop Tea, and Hops. Front Nutr 2021; 7:619921. [PMID: 33385009 PMCID: PMC7770140 DOI: 10.3389/fnut.2020.619921] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 11/26/2020] [Indexed: 01/08/2023] Open
Abstract
Prenylated flavonoids from hops (Humulus lupulus) have become of interest in recent years due to a range of bioactivities. The potential health benefits of prenylated flavonoids include anti-cancerous activities and treatment of the metabolic syndrome among others. Since prenylated flavonoids from hops have shown pharmaceutical potential in clinical trials, robust analytical methods to determine their concentrations in food, supplements, and beverages are required. One such, the gold standard of analytical methods, is stable isotope dilution analysis due to its ability to compensate matrix effects and losses during sample work-up. As no commercial standards were available, the synthesis of seven different prenylated flavonoid isotopes utilizing various strategies (microwave assistance, acid base catalyst in the presence of deuterated substance and lastly, the use of Strykers catalyst) is described. The produced prenylated flavonoid isotopes were then applied in the first stable isotope dilution analysis method that quantified six natural prenylated flavonoids (Isoxanthohumol, Isoxanthohumol-C, 8-Prenylnaringenin, 6- Prenylnaringenin, Xanthohumol, and Xanthohumol-C) in beer, hop tea and hops to prove its applicability. The SIDA-LC-MS/MS method was validated resulting in LODs and LOQs for all analytes between 0.04 and 3.2 μg/L. Moreover, due to the simple clean-up the developed method allows the prospect for measuring clinical samples in the future.
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Affiliation(s)
- Lance Buckett
- Chair of Analytical Food Chemistry, Technical University of Munich, Freising, Germany
| | - Simone Schinko
- Chair of Analytical Food Chemistry, Technical University of Munich, Freising, Germany
| | - Corinna Urmann
- Organic-Analytical Chemistry, Weihenstephan-Triesdorf University of Applied Sciences, Straubing, Germany.,Campus Straubing for Biotechnology and Sustainability, Technical University of Munich, Straubing, Germany
| | - Herbert Riepl
- Organic-Analytical Chemistry, Weihenstephan-Triesdorf University of Applied Sciences, Straubing, Germany.,Campus Straubing for Biotechnology and Sustainability, Technical University of Munich, Straubing, Germany
| | - Michael Rychlik
- Chair of Analytical Food Chemistry, Technical University of Munich, Freising, Germany
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8
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Sanches Silva A, Reboredo-Rodríguez P, Sanchez-Machado DI, López-Cervantes J, Barreca D, Pittala V, Samec D, Orhan IE, Gulcan HO, Forbes-Hernandez TY, Battino M, Nabavi SF, Devi KP, Nabavi SM. Evaluation of the status quo of polyphenols analysis: Part II-Analysis methods and food processing effects. Compr Rev Food Sci Food Saf 2020; 19:3219-3240. [PMID: 33337047 DOI: 10.1111/1541-4337.12626] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 07/21/2020] [Accepted: 07/28/2020] [Indexed: 12/27/2022]
Abstract
Nowadays due to the concern with the environmental impact of analytical techniques and in order to reduce the ecological footprint there is a tendency to use more efficient and faster procedures that use a smaller amount of organic solvents. Polyphenols have been widely studied in plant-based matrices due to their wide and potent biological properties; however there are no standardized procedures both for sample preparation and analysis of these compounds. The second of a two-part review will carry out a critical review of the extraction procedures and analytical methods applied to polyphenols and their selection criteria over a wide range of factors in relation to commerce-associated, environmental, and economic factors. It is foreseen that in the future the analysis of polyphenols in plant-based matrices includes the use of techniques that allow the simultaneous determination of different subclasses of polyphenols using fast, sophisticated, and automated techniques that allow the minimal consumption of solvents.
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Affiliation(s)
- Ana Sanches Silva
- National Institute for Agricultural and Veterinary Research (INIAV), I.P., Vairão, Vila do Conde, Portugal.,Center for Study in Animal Science (CECA), University of Oporto, Oporto, Portugal
| | - Patricia Reboredo-Rodríguez
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, CITACA, Faculty of Science, University of Vigo - Ourense Campus, Ourense, E32004, Spain
| | | | | | - Davide Barreca
- Dipartimento di Scienze chimiche, biologiche, farmaceutiche ed ambientali, Università di Messina, Messina, Italy
| | - Valeria Pittala
- Dipartimento di Scienze del Farmaco, Università degli Studi di Catania, Catania, Italy
| | - Dunja Samec
- Department of Molecular Biology, Institute 'Ruđer Bošković', Zagreb, Croatia
| | - Ilkay Erdogan Orhan
- Department of Pharmacognosy, Faculty of Pharmacy, Gazi University, Ankara, Turkey
| | - H Ozan Gulcan
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Eastern Mediterranean University, Gazimagusa, The Northern Cyprus via Mersin, Turkey
| | - Tamara Y Forbes-Hernandez
- Nutrition and Food Science Group, Department of Analytical and Food Chemistry, CITACA, CACTI, University of Vigo, Vigo, Spain
| | - Maurizio Battino
- Nutrition and Food Science Group, Department of Analytical and Food Chemistry, CITACA, CACTI, University of Vigo, Vigo, Spain.,College of Food and Biological Engineering, Jiangsu University, Zhenjiang, China.,Department of Clinical Sciences, Università Politecnica delle Marche, Ancona, Italy
| | - Seyed Fazel Nabavi
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Kasi Pandima Devi
- Department of Biotechnology, Alagappa University, Karaikudi, Tamil Nadu, India
| | - Seyed Mohammad Nabavi
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
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9
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Bustos-Salgado P, Andrade-Carrera B, Garduño-Ramírez ML, Alvarado H, Calpena-Campmany A. Quantification of One Prenylated Flavanone from Eysenhardtia platycarpa and Four Derivatives in Ex Vivo Human Skin Permeation Samples Applying a Validated HPLC Method. Biomolecules 2020; 10:biom10060889. [PMID: 32532095 PMCID: PMC7355825 DOI: 10.3390/biom10060889] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 05/30/2020] [Accepted: 06/02/2020] [Indexed: 12/26/2022] Open
Abstract
Prenylated flavanones are polyphenols that have diverse biological properties. The present paper focuses on a HPLC method validation for the quantification of prenylated flavanones (2S)-5,7-dihydroxy-6-(3-methyl-2-buten-1-yl)-2-phenyl-2,3-dihydro-4H-1Benzopyran-4-one 1 and derivatives (2S)-5,7-bis(acetyloxy)-6-(3-methyl-2-buten-1-yl)-2-phenyl-2,3-dihydro-4H-1-Benzopyran-4-one A; (2S)-5-hydroxy-7-methoxy-6-(3-methyl-2-buten-1-yl)-2-phenyl-2,3-dihydro-4H-1-Benzopyran-4-one B; (8S)-5-hydroxy-2,2-dimethyl-8-phenyl-3,4,7,8-tetrahydro-2H,6H-Benzo[1,2-b:5,4-bˈ]dipyran-6-one C; and (8S)-5-hydroxy-2,2-dimethyl-8-phenyl-7,8-dihydro-2H,6H-Benzo[1,2-b:5,4-bˈ]dipyran-6-one D applied in biopharmaceutic studies. The linear relationships are proven with significant correlation coefficients (R2 ˃ 0.999) in the range of 1.56 to 200 μg/mL with low limits of detection and quantification, on average of 0.4 μg/mL and 1.2 μg/mL, respectively. The validation method used in this work is highly accurate and precise, with values lower than 15%. The relative standard deviation values of repeatability of the instrumental system are demonstrated with less than 0.6% for all studied flavanones. Therefore, the applicability method of the quantification of the prenylated flavanones was established using the permeation of human skin in the Franz cell system. During the method previously described, there was no interference observed from human skin components in ex vivo permeation studies.
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Affiliation(s)
- Paola Bustos-Salgado
- Department of Pharmacy and Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Science, University of Barcelona, Joan XXIII Av. 29–31, 08028 Barcelona, Spain; (P.B.-S.); (H.A.)
| | - Berenice Andrade-Carrera
- Facultad de Ciencias Química e Ingeniería, Universidad Autónoma del Estado de Morelos, Av. Universidad 1001, Cuernavaca 62209, Morelos, Mexico;
| | - María Luisa Garduño-Ramírez
- Centro de Investigaciones Químicas, Instituto de Investigación en Ciencias Básicas y Aplicadas, Universidad Autónoma del Estado de Morelos, Av. Universidad 1001 Cuernavaca, Cuernavaca 62209, Morelos, Mexico;
| | - Helen Alvarado
- Department of Pharmacy and Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Science, University of Barcelona, Joan XXIII Av. 29–31, 08028 Barcelona, Spain; (P.B.-S.); (H.A.)
| | - Ana Calpena-Campmany
- Department of Pharmacy and Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Science, University of Barcelona, Joan XXIII Av. 29–31, 08028 Barcelona, Spain; (P.B.-S.); (H.A.)
- Institute of Nanoscience and Nanotechnology (IN2UB), University of Barcelona, 08007 Barcelona, Spain
- Correspondence: ; Tel.: +34-934-02-4578
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10
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Mahli A, Seitz T, Freese K, Frank J, Weiskirchen R, Abdel-Tawab M, Behnam D, Hellerbrand C. Therapeutic Application of Micellar Solubilized Xanthohumol in a Western-Type Diet-Induced Mouse Model of Obesity, Diabetes and Non-Alcoholic Fatty Liver Disease. Cells 2019; 8:cells8040359. [PMID: 30999670 PMCID: PMC6523748 DOI: 10.3390/cells8040359] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 04/15/2019] [Accepted: 04/16/2019] [Indexed: 02/08/2023] Open
Abstract
Xanthohumol (XN), a prenylated chalcone from hops, has been reported to exhibit a variety of health-beneficial effects. However, poor bioavailability may limit its application in the prevention and therapy of diseases. The objective of this study was to determine whether a micellar solubilization of xanthohumol could enhance the bioavailability and biological efficacy of xanthohumol in a Western-type diet (WTD) induced model of obesity, diabetes and non-alcoholic fatty liver disease (NAFLD). After 3 weeks feeding with WTD, XN was additionally applied per oral gavage as micellar solubilizate (s-XN) or native extract (n-XN) at a daily dose of 2.5 mg/kg body weight for a further 8 weeks. Control mice received vehicle only in addition to the WTD. WTD-induced body weight-gain and glucose intolerance were significantly inhibited by s-XN application. Furthermore, WTD-induced hepatic steatosis, pro-inflammatory gene expression (MCP-1 and CXCL1) and immune cell infiltration as well as activation of hepatic stellate cells (HSC) and expression of collagen alpha I were significantly reduced in the livers of s-XN-treated mice compared to WTD controls. In contrast, application of n-XN had no or only slight effects on the WTD-induced pathological effects. In line with this, plasma XN concentration ranged between 100–330 nmol/L in the s-XN group while XN was not detectable in the serum samples of n-XN-treated mice. In conclusion, micellar solubilization enhanced the bioavailability and beneficial effects of xanthohumol on different components of the metabolic syndrome including all pathological steps of NAFLD. Notably, this was achieved in a dose more than 10-fold lower than effective beneficial doses of native xanthohumol reported in previous in vivo studies.
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Affiliation(s)
- Abdo Mahli
- Institute of Biochemistry (Emil-Fischer Zentrum), Friedrich-Alexander University Erlangen-Nürnberg, Fahrstr. 17, D-91054 Erlangen, Germany.
| | - Tatjana Seitz
- Institute of Biochemistry (Emil-Fischer Zentrum), Friedrich-Alexander University Erlangen-Nürnberg, Fahrstr. 17, D-91054 Erlangen, Germany.
| | - Kim Freese
- Institute of Biochemistry (Emil-Fischer Zentrum), Friedrich-Alexander University Erlangen-Nürnberg, Fahrstr. 17, D-91054 Erlangen, Germany.
| | - Jan Frank
- Institute of Nutritional Sciences, University of Hohenheim, Garbenstr. 28, D-70599 Stuttgart, Germany.
| | - Ralf Weiskirchen
- Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), RWTH University Hospital Aachen, D-52074 Aachen, Germany.
| | - Mona Abdel-Tawab
- Central Laboratory of German Pharmacists, Carl-Mannich-Str. 20, D-65760 Eschborn, Germany.
| | - Dariush Behnam
- AQUANOVA AG, Birkenweg 8-10, D-64295 Darmstadt, Germany.
| | - Claus Hellerbrand
- Institute of Biochemistry (Emil-Fischer Zentrum), Friedrich-Alexander University Erlangen-Nürnberg, Fahrstr. 17, D-91054 Erlangen, Germany.
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11
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Calvo-Castro LA, Burkard M, Sus N, Scheubeck G, Leischner C, Lauer UM, Bosy-Westphal A, Hund V, Busch C, Venturelli S, Frank J. The Oral Bioavailability of 8-Prenylnaringenin from Hops (Humulus Lupulus
L.) in Healthy Women and Men is Significantly Higher than that of its Positional Isomer 6-Prenylnaringenin in a Randomized Crossover Trial. Mol Nutr Food Res 2018; 62:e1700838. [DOI: 10.1002/mnfr.201700838] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Revised: 12/30/2017] [Indexed: 01/10/2023]
Affiliation(s)
- Laura A. Calvo-Castro
- Institute of Biological Chemistry and Nutrition; University of Hohenheim; Stuttgart Germany
- Centro de Investigación en Biotecnología; Instituto Tecnológico de Costa Rica; Cartago Costa Rica
| | - Markus Burkard
- Institute of Physiology; Department of Vegetative and Clinical Physiology; University Hospital Tuebingen; Tuebingen Germany
| | - Nadine Sus
- Institute of Biological Chemistry and Nutrition; University of Hohenheim; Stuttgart Germany
| | - Gabriel Scheubeck
- Department of Internal Medicine VIII; University Hospital Tuebingen; Tuebingen Germany
| | - Christian Leischner
- Institute of Physiology; Department of Vegetative and Clinical Physiology; University Hospital Tuebingen; Tuebingen Germany
| | - Ulrich M. Lauer
- Department of Internal Medicine VIII; University Hospital Tuebingen; Tuebingen Germany
| | - Anja Bosy-Westphal
- Institute of Nutritional Medicine; University of Hohenheim; Stuttgart Germany
| | - Verena Hund
- Hospital Pharmacy; University Hospital Tuebingen; Tuebingen Germany
| | - Christian Busch
- Department of Dermatology and Allergology; University of Tuebingen; Tuebingen Germany
| | - Sascha Venturelli
- Institute of Physiology; Department of Vegetative and Clinical Physiology; University Hospital Tuebingen; Tuebingen Germany
| | - Jan Frank
- Institute of Biological Chemistry and Nutrition; University of Hohenheim; Stuttgart Germany
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