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Bouyahya A, Balahbib A, Khalid A, Makeen HA, Alhazmi HA, Albratty M, Hermansyah A, Ming LC, Goh KW, El Omari N. Clinical applications and mechanism insights of natural flavonoids against type 2 diabetes mellitus. Heliyon 2024; 10:e29718. [PMID: 38694079 PMCID: PMC11061711 DOI: 10.1016/j.heliyon.2024.e29718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 04/03/2024] [Accepted: 04/14/2024] [Indexed: 05/03/2024] Open
Abstract
Diabetes is a complex disease that affects a large percentage of the world's population, and it is associated with several risk factors. Self-management poses a significant challenge, but natural sources have shown great potential in providing effective glucose reducing solutions. Flavonoids, a class of bioactive substances found in different natural sources including medicinal plants, have emerged as promising candidates in this regard. Indeed, several flavonoids, including apigenin, arbutin, catechins, and cyanidin, have demonstrated remarkable anti-diabetic properties. The clinical effectiveness of these flavonoids is linked to their potential to decrease blood glucose concentration and increase insulin concentration. Thus, the regulation of certain metabolic pathways such as glycolysis and neoglycogenesis has also been demonstrated. In vitro and in vivo investigations revealed different mechanisms of action related to flavonoid compounds at subcellular, cellular, and molecular levels. The main actions reside in the activation of glycolytic signaling pathways and the inhibition of signaling that promotes glucose synthesis and storage. In this review, we highlight the clinical efficiency of natural flavonoids as well as the molecular mechanisms underlying this effectiveness.
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Affiliation(s)
- Abdelhakim Bouyahya
- Laboratory of Human Pathologies Biology, Department of Biology, Faculty of Sciences, Mohammed V University in Rabat, Rabat 10106, Morocco
- Department of Pharmacy Practice, Faculty of Pharmacy, Universitas Airlangga, 60115 Surabaya, Indonesia
| | - Abdelaali Balahbib
- High Institute of Nursing Professions and Health Techniques of Errachidia, Errachidia, Morocco
| | - Asaad Khalid
- Substance Abuse and Toxicology Research Center, Jazan University, P.O. Box: 114, Jazan, Saudi Arabia
- Medicinal and Aromatic Plants Research Institute, National Center for Research, P.O. Box: 2424, Khartoum-11111, Sudan
| | - Hafiz A. Makeen
- Pharmacy Practice Research Unit, Clinical Pharmacy Department, Faculty of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Hassan A. Alhazmi
- Substance Abuse and Toxicology Research Center, Jazan University, P.O. Box: 114, Jazan, Saudi Arabia
- Department of Pharmaceutical Chemistry and Pharmacognosy, College of Pharmacy, Jazan University, P.O. Box 114, Postal Code 45142, Jazan, Saudi Arabia
| | - Mohammed Albratty
- Department of Pharmaceutical Chemistry and Pharmacognosy, College of Pharmacy, Jazan University, P.O. Box 114, Postal Code 45142, Jazan, Saudi Arabia
| | - Andi Hermansyah
- Department of Pharmacy Practice, Faculty of Pharmacy, Universitas Airlangga, 60115 Surabaya, Indonesia
| | - Long Chiau Ming
- Department of Pharmacy Practice, Faculty of Pharmacy, Universitas Airlangga, 60115 Surabaya, Indonesia
- School of Medical and Life Sciences, Sunway University, Sunway City 47500, Malaysia
- PAPRSB Institute of Health Sciences, Universiti Brunei Darussalam, Gadong, Brunei Darussalam
| | - Khang Wen Goh
- Faculty of Data Science and Information Technology, INTI International University, Nilai, Malaysia
| | - Nasreddine El Omari
- High Institute of Nursing Professions and Health Techniques of Tetouan, Tetouan, Morocco
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Gonzalez JT. Are all sugars equal? Role of the food source in physiological responses to sugars with an emphasis on fruit and fruit juice. Eur J Nutr 2024:10.1007/s00394-024-03365-3. [PMID: 38492022 DOI: 10.1007/s00394-024-03365-3] [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: 11/30/2023] [Accepted: 03/01/2024] [Indexed: 03/18/2024]
Abstract
High (free) sugar intakes can increase self-reported energy intake and are associated with unfavourable cardiometabolic health. However, sugar source may modulate the effects of sugars due to several mechanisms including the food matrix. The aim of this review was to assess the current state of evidence in relation to food source effects on the physiological responses to dietary sugars in humans relevant to cardiometabolic health. An additional aim was to review potential mechanisms by which food sources may influence such responses. Evidence from meta-analyses of controlled intervention trials was used to establish the balance of evidence relating to the addition of sugars to the diet from sugar-sweetened beverages, fruit juice, honey and whole fruit on cardiometabolic outcomes. Subsequently, studies which have directly compared whole fruit with fruit juices, or variants of fruit juices, were discussed. In summary, the sources of sugars can impact physiological responses, with differences in glycaemic control, blood pressure, inflammation, and acute appetite. Longer-term effects and mechanisms require further work, but initial evidence implicates physical structure, energy density, fibre, potassium and polyphenol content, as explanations for some of the observed responses.
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Affiliation(s)
- Javier T Gonzalez
- Centre for Nutrition, Exercise and Metabolism, University of Bath, Bath, UK.
- Department for Health, University of Bath, Bath, BA2 7AY, UK.
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Wang M, Mao H, Ke Z, Chen J, Qi L, Wang J. Chinese bayberry ( Myrica rubra Sieb. et Zucc.) leaves proanthocyanidins inhibit intestinal glucose transport in human Caco-2 cells. Front Pharmacol 2024; 15:1284268. [PMID: 38529186 PMCID: PMC10961338 DOI: 10.3389/fphar.2024.1284268] [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: 08/28/2023] [Accepted: 02/22/2024] [Indexed: 03/27/2024] Open
Abstract
Background: The hypoglycemic effects of Chinese bayberry leaves proanthocyanidins (BLPs) have been demonstrated. It is unclear, nevertheless, whether BLPs reduced postprandial blood glucose levels by regulating glucose uptake and glucose transport. Method: This study investigated the effect of BLPs (25, 50, and 100 μg/mL) on glucose uptake and glucose transport in human intestinal epithelial cells (Caco-2 cells). The uptake of 2-Deoxy-2-[(7-nitro-2,1,3-benzoxadiazol-4-yl) amino]-D-glucose (2-NBDG) and disaccharidases activity in Caco-2 cells were measured. The glucose transport ability across the cell membrane was determined using the established Caco-2 monolayer model. The transcript and protein levels of key glucose transporters were analyzed using real-time quantitative polymerase chain reaction (RT-qPCR) and western blotting, respectively. Results: The results showed that BLPs significantly decreased glucose uptake and disaccharidases activity (p < 0.05). Otherwise, BLPs treatment obviously inhibited glucose transport across the Caco-2 monolayer in both simulated-fast (5 mM glucose) and simulated-fed (25 mM glucose) conditions. It was attributed to the suppression of glucose transporter2 (GLUT2) and sodium-dependent glucose cotransporter 1 (SGLT1) by BLPs. BLPs were found to significantly downregulated the transcript level and protein expression of glucose transporters (p < 0.05). Meanwhile, the mRNA expression of phospholipase C (PLC) and protein kinase C (PKC) involved in the signaling pathway associated with glucose transport were decreased by BLPs. Conclusion: These results suggested that BLPs inhibited intestinal glucose transport via inhibiting the expression of glucose transporters. It indicated that BLPs could be potentially used as a functional food in the diet to modulate postprandial hyperglycemia.
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Affiliation(s)
- Mengting Wang
- School of Biological and Chemical Engineering, NingboTech University, Ningbo, China
| | - Haiguang Mao
- School of Biological and Chemical Engineering, NingboTech University, Ningbo, China
| | - Zhijian Ke
- School of Biological and Chemical Engineering, NingboTech University, Ningbo, China
| | - Jianchu Chen
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
| | - Lili Qi
- School of Biological and Chemical Engineering, NingboTech University, Ningbo, China
| | - Jinbo Wang
- School of Biological and Chemical Engineering, NingboTech University, Ningbo, China
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Barreto-Peixoto JA, Silva C, Costa ASG, Álvarez-Rivera G, Cifuentes A, Ibáñez E, Oliveira MBPP, Alves RC, Martel F, Andrade N. A Prunus avium L. Infusion Inhibits Sugar Uptake and Counteracts Oxidative Stress-Induced Stimulation of Glucose Uptake by Intestinal Epithelial (Caco-2) Cells. Antioxidants (Basel) 2023; 13:59. [PMID: 38247483 PMCID: PMC10812648 DOI: 10.3390/antiox13010059] [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: 11/28/2023] [Revised: 12/13/2023] [Accepted: 12/18/2023] [Indexed: 01/23/2024] Open
Abstract
Sweet cherry (Prunus avium L.) is among the most valued fruits due to its organoleptic properties and nutritional worth. Cherry stems are rich in bioactive compounds, known for their anti-inflammatory and antioxidant properties. Innumerable studies have indicated that some bioactive compounds can modulate sugar absorption in the small intestine. In this study, the phenolic profile of a cherry stem infusion was investigated, as well as its capacity to modulate intestinal glucose and fructose transport in Caco-2 cells. Long-term (24 h) exposure to cherry stem infusion (25%, v/v) significantly reduced glucose (3H-DG) and fructose (14C-FRU) apical uptake, reduced the apical-to-basolateral Papp to 3H-DG, and decreased mRNA expression levels of the sugar transporters SGLT1, GLUT2 and GLUT5. Oxidative stress (induced by tert-butyl hydroperoxide) caused an increase in 3H-DG uptake, which was abolished by the cherry stem infusion. These findings suggest that cherry stem infusion can reduce the intestinal absorption of both glucose and fructose by decreasing the gene expression of their membrane transporters. Moreover, this infusion also appears to be able to counteract the stimulatory effect of oxidative stress upon glucose intestinal uptake. Therefore, it can be a potentially useful compound for controlling hyperglycemia, especially in the presence of increased intestinal oxidative stress levels.
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Affiliation(s)
- Juliana A. Barreto-Peixoto
- REQUIMTE/LAQV, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; (J.A.B.-P.); (C.S.); (A.S.G.C.); (M.B.P.P.O.); (R.C.A.)
| | - Cláudia Silva
- REQUIMTE/LAQV, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; (J.A.B.-P.); (C.S.); (A.S.G.C.); (M.B.P.P.O.); (R.C.A.)
| | - Anabela S. G. Costa
- REQUIMTE/LAQV, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; (J.A.B.-P.); (C.S.); (A.S.G.C.); (M.B.P.P.O.); (R.C.A.)
| | - Gerardo Álvarez-Rivera
- Laboratory of Foodomics, Institute of Food Science Research, CIAL, CSIC, Nicolas Cabrera 9, 28049 Madrid, Spain; (G.Á.-R.); (A.C.); (E.I.)
| | - Alejandro Cifuentes
- Laboratory of Foodomics, Institute of Food Science Research, CIAL, CSIC, Nicolas Cabrera 9, 28049 Madrid, Spain; (G.Á.-R.); (A.C.); (E.I.)
| | - Elena Ibáñez
- Laboratory of Foodomics, Institute of Food Science Research, CIAL, CSIC, Nicolas Cabrera 9, 28049 Madrid, Spain; (G.Á.-R.); (A.C.); (E.I.)
| | - M. Beatriz P. P. Oliveira
- REQUIMTE/LAQV, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; (J.A.B.-P.); (C.S.); (A.S.G.C.); (M.B.P.P.O.); (R.C.A.)
| | - Rita C. Alves
- REQUIMTE/LAQV, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; (J.A.B.-P.); (C.S.); (A.S.G.C.); (M.B.P.P.O.); (R.C.A.)
| | - Fátima Martel
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, 4200-319 Porto, Portugal
- Instituto de Investigação e Inovação em Saúde (I3S), University of Porto, 4200-135 Porto, Portugal
| | - Nelson Andrade
- REQUIMTE/LAQV, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; (J.A.B.-P.); (C.S.); (A.S.G.C.); (M.B.P.P.O.); (R.C.A.)
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, 4200-319 Porto, Portugal
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Torres SM, Carmo FP, Monteiro LC, Silva C, Andrade N, Martel F. Gallic acid markedly stimulates GLUT1-mediated glucose uptake by the AsPC-1 pancreatic cancer cell line. Can J Physiol Pharmacol 2023; 101:90-105. [PMID: 36688470 DOI: 10.1139/cjpp-2022-0260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Phenolic acids are recognized as chemopreventive and chemotherapeutic agents. Altered glucose and glutamine metabolism are recognized hallmarks of cancer cells. We aimed to test the influence of phenolic acids on glucose and glutamine cellular uptake by a breast (MCF-7) and a pancreatic (AsPC-1) cancer cell line. Several phenolic acids (caffeic, ferrulic, proctocatechuic, coumaric and gallic acid) affected 3H-glutamine and/or 3H-deoxy-d-glucose (3H-DG) uptake. Gallic acid (100 µM) caused a 3-fold increase in 3H-DG uptake by AsPC-1 cells, associated with a 3.7-fold increase in lactic acid production. Gallic acid stimulated GLUT1-mediated 3H-DG uptake and increased the affinity of this transporter for 3H-DG. We further verified that gallic acid does not change GLUT1 transcription rates and cellular redox state and that its effect does not involve PI3K, mTOR and MAP kinases and is not associated with a proproliferative effect. Gallic acid also increased 3H-DG uptake by MCF-7 cells, although less potently. Further investigation is necessary to elucidate the cellular pathways involved in this effect of gallic acid.
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Affiliation(s)
| | - Francisca P Carmo
- Faculty of Sciences, University of Porto, Porto, Portugal.,Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Porto, Portugal
| | - Luís C Monteiro
- Faculty of Sciences, University of Porto, Porto, Portugal.,Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Porto, Portugal
| | - Cláudia Silva
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, Portugal.,Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, Porto, Portugal
| | - Nelson Andrade
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, Portugal.,REQUIMTE/LAQV, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Fátima Martel
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, Portugal.,Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, Porto, Portugal
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Green/Roasted Coffee and Silverskin Extracts Inhibit Sugar Absorption by Human Intestinal Epithelial (Caco-2) Cells by Decreasing GLUT2 Gene Expression. Foods 2022; 11:foods11233902. [PMID: 36496710 PMCID: PMC9737879 DOI: 10.3390/foods11233902] [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: 09/29/2022] [Revised: 11/26/2022] [Accepted: 11/30/2022] [Indexed: 12/07/2022] Open
Abstract
Moderate coffee ingestion has been associated with a decrease in type 2 diabetes risk, mainly due to its richness in chlorogenic acids (CGA). To explore this, extracts of green beans, roasted beans, and silverskin were prepared by aqueous ultrasound-assisted extraction and characterized by a reversed-phase high-performance liquid chromatography-photodiode array detector (RP-HPLC-DAD). The effects on the uptake of glucose and fructose by human intestinal epithelial (Caco-2) cells and the influence on the expression of sugar transporter genes (by RT-qPCR) were investigated and compared. The uptake of 3H-deoxy-D-glucose and 14C-fructose by Caco-2 cells was significantly reduced by all the extracts, with green coffee (which also contained higher amounts of CGA) achieving the highest efficiency. Although silverskin presented the lowest amounts of CGA and caffeine, it promoted an inhibitory effect similar to the effects of green/roasted beans. In the case of glucose uptake, the effect was even higher than for roasted coffee. This activity is explained by the ability of the extracts to markedly decrease GLUT2, but not GLUT5 gene expression. In addition, a decrease in SGLT1 gene expression was also found for all extracts, although not at a statistically significant rate for silverskin. This study also revealed a synergistic inhibitory effect of caffeine and 5-CQA on the uptake of sugars. Thus, silverskin appears as an interesting alternative to coffee, since the valorization of this by-product also contributes to the sustainability of the coffee chain.
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Dietary Polyphenols and In Vitro Intestinal Fructose Uptake and Transport: A Systematic Literature Review. Int J Mol Sci 2022; 23:ijms232214355. [PMID: 36430831 PMCID: PMC9697405 DOI: 10.3390/ijms232214355] [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: 10/05/2022] [Revised: 11/14/2022] [Accepted: 11/17/2022] [Indexed: 11/22/2022] Open
Abstract
Recent evidence links chronic consumption of large amounts of fructose (FRU) with several non-communicable disease. After ingestion, dietary FRU is absorbed into the intestinal tract by glucose transporter (GLUT) 5 and transported to the portal vein via GLUT2. GLUT2 is primarily localized on the basolateral membrane, but GLUT2 may be dislocated post-prandially from the basolateral membrane of intestinal cells to the apical one. Polyphenols (PP) are plant secondary metabolites that exert hypoglycemic properties by modulating intracellular insulin signaling pathways and by inhibiting intestinal enzymes and transporters. Post-prandially, PP may reach high concentrations in the gut lumen, making the inhibition of FRU absorption a prime target for exploring the effects of PP on FRU metabolism. Herein, we have systematically reviewed studies on the effect of PP and PP-rich products on FRU uptake and transport in intestinal cells. In spite of expectations, the very different experimental conditions in the various individual studies do not allow definitive conclusions to be drawn. Future investigations should rely on standardized conditions in order to obtain comparable results that allow a credible rating of polyphenols and polyphenol-rich products as inhibitors of fructose uptake.
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Ye M, Qi X, Ren X, Quan W, Xu H, Zeng M, Chen J, Li M. Absorption and transport of myofibrillar protein-bound Nɛ-(carboxymethyl)lysine in Caco-2 cells after simulated gastrointestinal digestion. Food Res Int 2022; 161:111870. [DOI: 10.1016/j.foodres.2022.111870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 08/05/2022] [Accepted: 08/22/2022] [Indexed: 11/04/2022]
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Andrade N, Peixoto JAB, Oliveira MBPP, Martel F, Alves RC. Can coffee silverskin be a useful tool to fight metabolic syndrome? Front Nutr 2022; 9:966734. [PMID: 36211502 PMCID: PMC9534380 DOI: 10.3389/fnut.2022.966734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Accepted: 09/02/2022] [Indexed: 12/03/2022] Open
Abstract
Coffee is one of the most consumed products in the world, and its by-products are mainly discarded as waste. In order to solve this problem and in the context of a sustainable industrial attitude, coffee by-products have been studied concerning their chemical and nutritional features for a potential application in foodstuffs or dietary supplements. Under this perspective, coffee silverskin, the main by-product of coffee roasting, stands out as a noteworthy source of nutrients and remarkable bioactive compounds, such as chlorogenic acids, caffeine, and melanoidins, among others. Such compounds have been demonstrating beneficial health properties in the context of metabolic disorders. This mini-review compiles and discusses the potential health benefits of coffee silverskin and its main bioactive components on metabolic syndrome, highlighting the main biochemical mechanisms involved, namely their effects upon intestinal sugar uptake, glucose and lipids metabolism, oxidative stress, and gut microbiota. Even though additional research on this coffee by-product is needed, silverskin can be highlighted as an interesting source of compounds that could be used in the prevention or co-treatment of metabolic syndrome. Simultaneously, the valorization of this by-product also responds to the sustainability and circular economy needs of the coffee chain.
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Affiliation(s)
- Nelson Andrade
- REQUIMTE/LAQV, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, Porto, Portugal
- *Correspondence: Nelson Andrade
| | - Juliana A. Barreto Peixoto
- REQUIMTE/LAQV, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - M. Beatriz P. P. Oliveira
- REQUIMTE/LAQV, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Fátima Martel
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, Porto, Portugal
- Instituto de Investigação e Inovação em Saúde (I3S), University of Porto, Porto, Portugal
| | - Rita C. Alves
- REQUIMTE/LAQV, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
- Rita C. Alves
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Ma T, Lu S, Hu X, Song Y, Hu X. Effects of lipid type and toxicological properties on the digestion of cellulose nanocrystals in simulated gastrointestinal tract. Food Chem 2022; 396:133653. [PMID: 35830836 DOI: 10.1016/j.foodchem.2022.133653] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 06/16/2022] [Accepted: 07/05/2022] [Indexed: 11/04/2022]
Abstract
This study aimed to understand the impact of different oil types on the cellulose nanocrystals (CNCs) to modulate lipid digestion and the in vitro gastrointestinal toxicity of CNCs in food systems. We explored the ability of CNCs to modulate lipid digestion in a simulated gastrointestinal system and monitored the gastrointestinal fate of CNC-based emulsions with different oil types. Finally, a small intestine epithelial model was used to evaluate the influence of cytotoxicity. The results suggested that the addition of 0.6 wt% CNCs in the high-fat food model reduced the hydrolysis of free fatty acids (FFAs) from triglycerides by 37.8% after the small intestine phase. CNCs showed the best effect in reducing lipid digestion in emulsions with high unsaturation triglycerides. In addition, the toxicology results suggest that 0.6 wt% CNCs had only a slight effect on reactive oxygen species and cytotoxicity, and no significant change in cell-layer integrity.
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Affiliation(s)
- Tao Ma
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; National Engineering Research Center for Fruits and Vegetables Processing, Beijing 100193, China; Key Laboratory of Fruits and Vegetables Processing, Ministry of Agriculture, Beijing 100193, China
| | - Shuyu Lu
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; National Engineering Research Center for Fruits and Vegetables Processing, Beijing 100193, China; Key Laboratory of Fruits and Vegetables Processing, Ministry of Agriculture, Beijing 100193, China
| | - Xinna Hu
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; National Engineering Research Center for Fruits and Vegetables Processing, Beijing 100193, China; Key Laboratory of Fruits and Vegetables Processing, Ministry of Agriculture, Beijing 100193, China
| | - Yi Song
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; National Engineering Research Center for Fruits and Vegetables Processing, Beijing 100193, China; Key Laboratory of Fruits and Vegetables Processing, Ministry of Agriculture, Beijing 100193, China.
| | - Xiaosong Hu
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; National Engineering Research Center for Fruits and Vegetables Processing, Beijing 100193, China; Key Laboratory of Fruits and Vegetables Processing, Ministry of Agriculture, Beijing 100193, China
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Valorizing Coffee Silverskin Based on Its Phytochemicals and Antidiabetic Potential: From Lab to a Pilot Scale. Foods 2022; 11:foods11121671. [PMID: 35741869 PMCID: PMC9222947 DOI: 10.3390/foods11121671] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 05/30/2022] [Accepted: 06/05/2022] [Indexed: 01/25/2023] Open
Abstract
This study investigates the possibility of valorizing coffee silverskin through the recovery of its bioactive compounds using a sustainable extraction method that could be industrially applied. For that, aqueous extracts were prepared using ultrasonic-assisted extraction (laboratorial scale) and, for comparison, a scale-up of the process was developed using the Multi-frequency Multimode Modulated technology. A concentration procedure at the pilot scale was also tested. The three types of extracts obtained were characterized regarding caffeine and chlorogenic acids contents, and the effects on intestinal glucose and fructose uptake (including sugar transporters expression) in human intestinal epithelial (Caco-2) cells were ascertained. The phytochemical contents of the extracts prepared at the laboratory and pilot scale were comparable (caffeine: 27.7 vs. 29.6 mg/g freeze-dried extract; 3-, 4-, and 5-caffeoylquinic acids: 0.19 vs. 0.31, 0.15 vs. 0.42, and 1.04 vs. 1.98 mg/g, respectively; 4- and 5- feruloylquinic acids: 0.39 vs. 0.43 and 1.05 vs. 1.32 mg/g, respectively). Slight differences were noticed according to the extracts preparation steps, but in general, all the extracts promoted significant inhibitions of [1,2-3H(N)]-deoxy-D-glucose and 14C-D-fructose uptake, which resulted mainly from a decrease on the facilitative glucose transporter 2 (GLUT2) and sodium-glucose linked transporter 1 (SGLT1) genes expression but not on the expression of the facilitative glucose transporter 5 (GLUT5) gene. Moreover, a synergistic effect of caffeine and 5-caffeoylquinic acid on sugars uptake was found. The results clearly show that the Multi-frequency Multimode Modulated technology is a viable option to be applied at an industrial level to recover bioactive components from silverskin and obtain extracts with antidiabetic potential that could be used to develop functional food products or dietary supplements.
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Carmo F, Silva C, Martel F. Inhibition of Glutamine Cellular Uptake Contributes to the Cytotoxic Effect of Xanthohumol in Triple-Negative Breast Cancer Cells. Nutr Cancer 2022; 74:3413-3430. [PMID: 35594207 DOI: 10.1080/01635581.2022.2076889] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Breast cancer constitutes the most incident cancer and one of the most common causes of cancer-related death. "Glutamine addiction", an important metabolic feature of cancer cells, is dependent on supply of this amino acid from external sources. In this study, the effect of several polyphenols (catechin, epicatechin, EGCG, catechin:lysine, naringenin, hesperidin, malvidin, delphinidin, kaempferol, quercetin, rutin, myricetin, resveratrol, xanthohumol, and chrysin) upon glutamine (3H-GLN) uptake by human breast epithelial adenocarcinoma cell lines with distinct characteristics (MCF-7 and MDA-MB-231) was assessed.Several polyphenols interfere with 3H-GLN uptake by both cell lines. Xanthohumol markedly decreases total and Na+-dependent 3H-GLN uptake and showed a cytotoxic and anti-proliferative effect in MDA-MB-231 cells. Xanthohumol is as an uncompetitive inhibitor of Na+-dependent 3H-GLN uptake and inhibits GPNA (L-γ-glutamyl-p-nitroanilide)-sensitive, both ASCT2 (alanine, serine, cysteine transporter 2)-mediated and non-ASCT2-mediated 3H-GLN uptake. Xanthohumol does not interfere with the transcription rates of ASCT2. The cytotoxic effect of xanthohumol, but not its anti-proliferative effect, is GPNA-sensitive and related to ASCT2 inhibition. Combination of xanthohumol with the breast cancer chemotherapeutic agent doxorubicin results in an additive anti-proliferative, but not cytotoxic effect.We conclude that targeting glutamine uptake might constitute a potential interesting strategy for triple-negative breast cancer.
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Affiliation(s)
- F Carmo
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, Portugal.,Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Porto, Portugal
| | - C Silva
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, Portugal.,Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Porto, Portugal
| | - F Martel
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, Portugal.,Instituto de Investigação e Inovação em Saúde (i3S), University of Porto, Porto, Portugal
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Oenothein B in Eucalyptus Leaf Extract Suppresses Fructose Absorption in Caco-2 Cells. Molecules 2021; 27:molecules27010122. [PMID: 35011353 PMCID: PMC8746427 DOI: 10.3390/molecules27010122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/10/2021] [Accepted: 12/22/2021] [Indexed: 11/17/2022] Open
Abstract
Inhibition of fructose absorption may suppress adiposity and adiposity-related diseases caused by fructose ingestion. Eucalyptus leaf extract (ELE) inhibits intestinal fructose absorption (but not glucose absorption); however, its active compound has not yet been identified. Therefore, we evaluated the inhibitory activity of ELE obtained from Eucalyptus globulus using an intestinal fructose permeation assay with the human intestinal epithelial cell line Caco-2. The luminal sides of a cell monolayer model cultured on membrane filters were exposed to fructose with or without the ELE. Cellular fructose permeation was evaluated by measuring the fructose concentration in the medium on the basolateral side. ELE inhibited 65% of fructose absorption at a final concentration of 1 mg/mL. Oenothein B isolated from the ELE strongly inhibited fructose absorption; the inhibition rate was 63% at a final concentration of 5 μg/mL. Oenothein B did not affect glucose absorption. In contrast, the other major constituents (i.e., gallic acid and ellagic acid) showed little fructose-inhibitory activity. To our knowledge, this is the first report that oenothein B in ELE strongly inhibits fructose absorption in vitro. ELE containing oenothein B can prevent and ameliorate obesity and other diseases caused by dietary fructose consumption.
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Fathi F, Ebrahimi SN, Valadão AIG, Andrade N, Costa ASG, Silva C, Fathi A, Salehi P, Martel F, Alves RC, Oliveira MBPP. Exploring Gunnera tinctoria: From Nutritional and Anti-Tumoral Properties to Phytosome Development Following Structural Arrangement Based on Molecular Docking. Molecules 2021; 26:5935. [PMID: 34641482 PMCID: PMC8512520 DOI: 10.3390/molecules26195935] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 09/22/2021] [Accepted: 09/24/2021] [Indexed: 11/17/2022] Open
Abstract
Gunnera tinctoria, an underexplored invasive plant found in Azores, Portugal, was studied regarding its nutritional, antioxidant, and antitumoral properties. Higher antioxidant activity was found in baby leaves, followed by adult leaves and inflorescences. A phenolic fraction of the plant was enriched using adsorbent resin column chromatography (DiaionTM HP20LX, and Relite EXA90). Antitumoral effects were observed with the enriched fractions in breast (MCF-7) and pancreatic (AsPC-1) cancer cell lines, being more pronounced in the latter. To improve protection and membrane absorption rates of phenolic compounds, nano-phytosomes and cholesterol-conjugated phytosomes coated with natural polymers were loaded with the enriched fraction. The particles were characterized, and their physiochemical properties were evaluated and compared. All samples presented anionic charge and nanometer size in relation to the inner layer and micrometer size regarding the external layers. In addition, the molecular arrangement of phenolics within both types of phytosomes were studied for the first time by molecular docking. Polarity and molecular size were key factors on the molecular arrangement of the lipid bilayer. In conclusion, G. tinctoria showed to be an interesting source of nutrients and phenolic compounds with anti-tumoral potential. Moreover, phytosome loading with these compounds can increase their stability and bioavailability having in view future applications.
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Affiliation(s)
- Faezeh Fathi
- Department of Phytochemistry, Medicinal Plants and Drugs Research Institute, Shahid Beheshti University, Evin, Tehran 1983969411, Iran; (F.F.); (S.N.E.); (P.S.)
- REQUIMTE/LAQV, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira No. 280, 4050-313 Porto, Portugal; (A.I.G.V.); (N.A.); (A.S.G.C.); (R.C.A.)
| | - Samad N. Ebrahimi
- Department of Phytochemistry, Medicinal Plants and Drugs Research Institute, Shahid Beheshti University, Evin, Tehran 1983969411, Iran; (F.F.); (S.N.E.); (P.S.)
| | - Ana I. G. Valadão
- REQUIMTE/LAQV, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira No. 280, 4050-313 Porto, Portugal; (A.I.G.V.); (N.A.); (A.S.G.C.); (R.C.A.)
| | - Nelson Andrade
- REQUIMTE/LAQV, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira No. 280, 4050-313 Porto, Portugal; (A.I.G.V.); (N.A.); (A.S.G.C.); (R.C.A.)
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, Al. Prof. Hernâni Monteiro, 4200-319 Porto, Portugal; (C.S.); (F.M.)
- Instituto de Investigação e Inovação em Saúde (I3S), University of Porto, R. Alfredo Allen, 208, 4200-135 Porto, Portugal
| | - Anabela S. G. Costa
- REQUIMTE/LAQV, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira No. 280, 4050-313 Porto, Portugal; (A.I.G.V.); (N.A.); (A.S.G.C.); (R.C.A.)
| | - Cláudia Silva
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, Al. Prof. Hernâni Monteiro, 4200-319 Porto, Portugal; (C.S.); (F.M.)
- Instituto de Investigação e Inovação em Saúde (I3S), University of Porto, R. Alfredo Allen, 208, 4200-135 Porto, Portugal
| | - Alireza Fathi
- Sana Technologists Segal Private Company (STM), Ashrafi Esfahani, Tehran 1469963811, Iran;
| | - Peyman Salehi
- Department of Phytochemistry, Medicinal Plants and Drugs Research Institute, Shahid Beheshti University, Evin, Tehran 1983969411, Iran; (F.F.); (S.N.E.); (P.S.)
| | - Fátima Martel
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, Al. Prof. Hernâni Monteiro, 4200-319 Porto, Portugal; (C.S.); (F.M.)
- Instituto de Investigação e Inovação em Saúde (I3S), University of Porto, R. Alfredo Allen, 208, 4200-135 Porto, Portugal
| | - Rita C. Alves
- REQUIMTE/LAQV, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira No. 280, 4050-313 Porto, Portugal; (A.I.G.V.); (N.A.); (A.S.G.C.); (R.C.A.)
| | - Maria Beatriz P. P. Oliveira
- REQUIMTE/LAQV, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira No. 280, 4050-313 Porto, Portugal; (A.I.G.V.); (N.A.); (A.S.G.C.); (R.C.A.)
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Moroccan antidiabetic medicinal plants: Ethnobotanical studies, phytochemical bioactive compounds, preclinical investigations, toxicological validations and clinical evidences; challenges, guidance and perspectives for future management of diabetes worldwide. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.03.032] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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16
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Zakłos-Szyda M, Pietrzyk N, Kowalska-Baron A, Nowak A, Chałaśkiewicz K, Ratajewski M, Budryn G, Koziołkiewicz M. Phenolics-Rich Extracts of Dietary Plants as Regulators of Fructose Uptake in Caco-2 Cells via GLUT5 Involvement. Molecules 2021; 26:4745. [PMID: 34443333 PMCID: PMC8401051 DOI: 10.3390/molecules26164745] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/01/2021] [Accepted: 08/03/2021] [Indexed: 12/16/2022] Open
Abstract
The latest data link the chronic consumption of large amounts of fructose present in food with the generation of hypertension and disturbances in carbohydrate and lipid metabolism, which promote the development of obesity, non-alcoholic fatty liver disease, insulin resistance, and type 2 diabetes. This effect is possible after fructose is absorbed by the small intestine cells and, to a lesser extent, by hepatocytes. Fructose transport is dependent on proteins from the family of glucose transporters (GLUTs), among which GLUT5 selectively absorbs fructose from the intestine. In this study, we examined the effect of four phenolic-rich extracts obtained from A. graveolens, B. juncea, and M. chamomilla on fructose uptake by Caco-2 cells. Extracts from B. juncea and M. chamomilla most effectively reduced fluorescent fructose analogue (NBDF) accumulation in Caco-2, as well as downregulated GLUT5 protein levels. These preparations were able to decrease the mRNA level of genes encoding transcription factors regulating GLUT5 expression-thioredoxin-interacting protein (TXNIP) and carbohydrate-responsive element-binding protein (ChREBP). Active extracts contained large amounts of apigenin and flavonols. The molecular docking simulation suggested that some of identified phenolic constituents can play an important role in the inhibition of GLUT5-mediated fructose transport.
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Affiliation(s)
- Małgorzata Zakłos-Szyda
- Faculty of Biotechnology and Food Sciences, Institute of Molecular and Industrial Biotechnology, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Łódź, Poland; (N.P.); (K.C.); (M.K.)
| | - Nina Pietrzyk
- Faculty of Biotechnology and Food Sciences, Institute of Molecular and Industrial Biotechnology, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Łódź, Poland; (N.P.); (K.C.); (M.K.)
| | - Agnieszka Kowalska-Baron
- Faculty of Biotechnology and Food Sciences, Institute of Natural Products and Cosmetics, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Łódź, Poland;
| | - Adriana Nowak
- Department of Environmental Biotechnology, Lodz University of Technology, Wólczańska 171/173, 90-924 Łódź, Poland;
| | - Katarzyna Chałaśkiewicz
- Faculty of Biotechnology and Food Sciences, Institute of Molecular and Industrial Biotechnology, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Łódź, Poland; (N.P.); (K.C.); (M.K.)
| | - Marcin Ratajewski
- Institute of Medical Biology, Laboratory of Epigenetics, Polish Academy of Sciences, Tylna 3a, 90-364 Łódź, Poland;
| | - Grażyna Budryn
- Faculty of Biotechnology and Food Sciences, Institute of Food Technology and Analysis, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Łódź, Poland;
| | - Maria Koziołkiewicz
- Faculty of Biotechnology and Food Sciences, Institute of Molecular and Industrial Biotechnology, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Łódź, Poland; (N.P.); (K.C.); (M.K.)
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17
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Lee CY, Oh JH, Chung JO, Rha CS, Park MY, Hong YD, Kim WK, Shim SM. Effect of whole green tea products including catechins, polysaccharides, and flavonols on the metabolism of added sugars. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2021.100936] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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18
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Kan L, Capuano E, Fogliano V, Verkerk R, Mes JJ, Tomassen MMM, Oliviero T. Inhibition of α-glucosidases by tea polyphenols in rat intestinal extract and Caco-2 cells grown on Transwell. Food Chem 2021; 361:130047. [PMID: 34029903 DOI: 10.1016/j.foodchem.2021.130047] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 05/03/2021] [Accepted: 05/04/2021] [Indexed: 01/19/2023]
Abstract
Inhibition of maltase, sucrase, isomaltase and glucoamylase activity by acarbose, epigallocatechin gallate, epicatechin gallate and four polyphenol-rich tea extract from white, green, oolong, black tea, were investigated by using rat intestinal enzymes and human Caco-2 cells. Regarding rat intestinal enzyme mixture, all four tea extracts were very effective in inhibiting maltase and glucoamylase activity, but only white tea extract inhibited sucrase and isomaltase activity and the inhibition was limited. Mixed-type inhibition on rat maltase activity was observed. Tea extracts in combination with acarbose, produced a synergistic inhibitory effect on rat maltase activity. Caco-2 cells experiments were conducted in Transwells. Green tea extract and epigallocatechin gallate show dose-dependent inhibition on human sucrase activity, but no inhibition on rat sucrase activity. The opposite was observed on maltase activity. The results highlighted the different response in the two investigated model systems and show that tea polyphenols are good inhibitors for α-glucosidase activity.
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Affiliation(s)
- Lijiao Kan
- Food Quality and Design Group, Wageningen University & Research, Wageningen, The Netherlands
| | - Edoardo Capuano
- Food Quality and Design Group, Wageningen University & Research, Wageningen, The Netherlands
| | - Vincenzo Fogliano
- Food Quality and Design Group, Wageningen University & Research, Wageningen, The Netherlands
| | - Ruud Verkerk
- Food Quality and Design Group, Wageningen University & Research, Wageningen, The Netherlands
| | - Jurriaan J Mes
- Wageningen Food & Biobased Research, Wageningen University & Research, Wageningen, The Netherlands
| | - Monic M M Tomassen
- Wageningen Food & Biobased Research, Wageningen University & Research, Wageningen, The Netherlands
| | - Teresa Oliviero
- Food Quality and Design Group, Wageningen University & Research, Wageningen, The Netherlands.
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19
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Gernet M, Gribkova I, Zakharov M, Kobelev K. Research of hop polyphenols impact on malt hopped wort aroma formation model experiments. POTRAVINARSTVO 2021. [DOI: 10.5219/1518] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Currently, a lot of research is being done on the flavoring compounds of hops. However, much less attention has been paid to the aroma formation considering the hop polyphenol different groups by various methods at the wort hopping stage. Therefore, the main goal of the research is an impact of hopping conditions on the polyphenolic compounds, when the hop is extracted variously into both wort and water to better understand extraction conditions, mechanisms, and factors as well as aroma formation considering various groups of polyphenols. As shown the hop variety, boiling time, and treatment type affect the hop polyphenols amount extracted into the wort. Aromatics varied upon a hop variety and wort boiling time accompanying a positive softening effect regarding aroma formated from malt wort compounds comparing to hopped aqueous extracts. The research proved the most noticeable pH (7 and above) impact on aroma formation caused by the polyphenol conversion. As also shown the first time, a temperature and acidic pH doubled the rutin amount, as well as the best extraction of the prenylflavanoid isoxanthohumol, was achieved by boiling at an alkaline medium pH. The results obtained indicate that various hydrophilic amino acids containing in the wort can stabilize polyphenols affecting the quality indicators of beer produced from different grain raw materials.
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20
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Li F, Wei Y, Zhao J, Yu G, Huang L, Li Q. Transport mechanism and subcellular localization of a polysaccharide from Cucurbia Moschata across Caco-2 cells model. Int J Biol Macromol 2021; 182:1003-1014. [PMID: 33892025 DOI: 10.1016/j.ijbiomac.2021.04.107] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 04/12/2021] [Accepted: 04/17/2021] [Indexed: 12/18/2022]
Abstract
Pumpkin polysaccharides with various bioactivities are mainly taken orally, thus detailed knowledge of the intestinal transport of which are essential for understanding its bioactivities. The Caco-2 cells monolayer model (mimic intestinal epithelium) was successfully constructed and Cucurbia moschata polysaccharides (PPc-F) were successfully conjugated with fluorescein isothiocyanate (FITC) to evaluate the transcellular transport mechanism and subcellular localization of PPc. The transport process of PPc-F was energy-dependent, and a moderately-absorbed biological macromolecule according to the apparent permeability coefficients (Papp) value. The endocytosis process of PPc-F in Caco-2 cells included the clathrin- and caveolae (or lipid draft)-medicated routes. And the translocation process was related to endoplasmic reticulum (ER), golgi apparatus (GA), tubulin and the acidification of endosomes. As for the intracellular location of PPc-F, it was mainly accumulated in ER. The study provided an understanding of the transmembrane transport of PPc-F, and could help studying the mechanisms of its effects.
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Affiliation(s)
- Fei Li
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; National Engineering Research Center for Fruits and Vegetables Processing, Beijing 100083, China
| | - Yunlu Wei
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; National Engineering Research Center for Fruits and Vegetables Processing, Beijing 100083, China
| | - Jing Zhao
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; National Engineering Research Center for Fruits and Vegetables Processing, Beijing 100083, China
| | - Guoyong Yu
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; National Engineering Research Center for Fruits and Vegetables Processing, Beijing 100083, China
| | - Linlin Huang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; National Engineering Research Center for Fruits and Vegetables Processing, Beijing 100083, China
| | - Quanhong Li
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; National Engineering Research Center for Fruits and Vegetables Processing, Beijing 100083, China.
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21
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Differentiated Caco-2 cell models in food-intestine interaction study: Current applications and future trends. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2020.11.015] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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22
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Gonçalves AS, Andrade N, Martel F. Intestinal fructose absorption: Modulation and relation to human diseases. PHARMANUTRITION 2020. [DOI: 10.1016/j.phanu.2020.100235] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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23
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Effect of Heat Exposure on Activity Degradation of Enzymes in Mango Varieties Sindri, SB Chaunsa, and Tommy Atkins during Drying. Molecules 2020; 25:molecules25225396. [PMID: 33218167 PMCID: PMC7698818 DOI: 10.3390/molecules25225396] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 11/15/2020] [Accepted: 11/17/2020] [Indexed: 12/02/2022] Open
Abstract
Mango has been described as a valuable source of nutrients and enzymes that are beneficial to human health. Drying at different temperatures not only affects the nutritional properties but can also contribute to the degradation of valuable enzymes in dried fruit. The novelty of this paper is to investigate the quality of hot air dried mango in terms of activity retention of the heat-sensitive enzymes (HSE). For this, HSE was first screened in fresh mango flesh of the variety Samar Bahisht (SB) Chaunsa. Later, the combined effect of different drying temperatures (40 °C, 50 °C, 60 °C, 70 °C, and 80 °C) and air velocities (1.0 ms−1 and 1.4 ms−1) on the activity retention of HSE in dried mango slices of the varieties Sindri, SB Chaunsa, and Tommy Atkins were investigated. The results showed that the drying temperature had a significant impact on the degradation of HSE, while at the same time some influence of the air velocity was also observed. Drying at 40 °C and an air velocity of 1.4 ms−1 retained more HSE compared to those samples dried at higher temperatures. The least retention of HSE was found in samples dried at 80 °C.
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Li X, Zhao Y, Lai X, Nong J, Zhao G, Xiao X. One-pot biocatalytic synthesis and antioxidant activities of highly lipophilic naringin derivatives by using bi-functional whole-cells. Food Res Int 2020; 136:109291. [DOI: 10.1016/j.foodres.2020.109291] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Revised: 04/11/2020] [Accepted: 05/01/2020] [Indexed: 01/07/2023]
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25
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Fois CAM, Le TYL, Schindeler A, Naficy S, McClure DD, Read MN, Valtchev P, Khademhosseini A, Dehghani F. Models of the Gut for Analyzing the Impact of Food and Drugs. Adv Healthc Mater 2019; 8:e1900968. [PMID: 31592579 DOI: 10.1002/adhm.201900968] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 08/30/2019] [Indexed: 12/16/2022]
Abstract
Models of the human gastrointestinal tract (GIT) can be powerful tools for examining the biological interactions of food products and pharmaceuticals. This can be done under normal healthy conditions or using models of disease-many of which have no curative therapy. This report outlines the field of gastrointestinal modeling, with a particular focus on the intestine. Traditional in vivo animal models are compared to a range of in vitro models. In vitro systems are elaborated over time, recently culminating with microfluidic intestines-on-chips (IsOC) and 3D bioengineered models. Macroscale models are also reviewed for their important contribution in the microbiota studies. Lastly, it is discussed how in silico approaches may have utility in predicting and interpreting experimental data. The various advantages and limitations of the different systems are contrasted. It is posited that only through complementary use of these models will salient research questions be able to be addressed.
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Affiliation(s)
- Chiara Anna Maria Fois
- School of Chemical and Biomolecular Engineering Centre for Advanced Food Enginomics University of Sydney Sydney NSW 2006 Australia
| | - Thi Yen Loan Le
- School of Chemical and Biomolecular Engineering Centre for Advanced Food Enginomics University of Sydney Sydney NSW 2006 Australia
| | - Aaron Schindeler
- School of Chemical and Biomolecular Engineering Centre for Advanced Food Enginomics University of Sydney Sydney NSW 2006 Australia
| | - Sina Naficy
- School of Chemical and Biomolecular Engineering Centre for Advanced Food Enginomics University of Sydney Sydney NSW 2006 Australia
| | - Dale David McClure
- School of Chemical and Biomolecular Engineering Centre for Advanced Food Enginomics University of Sydney Sydney NSW 2006 Australia
| | - Mark Norman Read
- School of Chemical and Biomolecular Engineering Centre for Advanced Food Enginomics University of Sydney Sydney NSW 2006 Australia
| | - Peter Valtchev
- School of Chemical and Biomolecular Engineering Centre for Advanced Food Enginomics University of Sydney Sydney NSW 2006 Australia
| | - Ali Khademhosseini
- Department of Chemical and Biomolecular Engineering Department of Bioengineering Department of Radiology California NanoSystems Institute (CNSI) University of California Los Angeles CA 90095 USA
| | - Fariba Dehghani
- School of Chemical and Biomolecular Engineering Centre for Advanced Food Enginomics University of Sydney Sydney NSW 2006 Australia
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26
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Luna-Vital DA, Chatham L, Juvik J, Singh V, Somavat P, de Mejia EG. Activating Effects of Phenolics from Apache Red Zea mays L. on Free Fatty Acid Receptor 1 and Glucokinase Evaluated with a Dual Culture System with Epithelial, Pancreatic, and Liver Cells. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:9148-9159. [PMID: 30785272 DOI: 10.1021/acs.jafc.8b06642] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The aim was to characterize a phenolic-rich water extract from the pericarp of an improved genotype of Apache red maize (RPE) and evaluate its ability to activate the type 2 diabetes markers free fatty acid receptor 1 (GPR40) and glucokinase (GK) in vitro. The extract contained mainly phenolic acids, anthocyanins, and other flavonoids. RPE inhibited α-amylase (IC50 = 88.3 μg/mL), α-glucosidase (IC50 = 169.3 μg/mL), and reduced glucose transport in a Caco-2 cell monolayer (up to 25%). Furthermore, RPE activated GPR40 (EC50 = 77.7 μg/mL) in pancreatic INS-1E cells and GK (EC50 = 43.4 μg/mL) in liver HepG2 cells, potentially through allosteric modulation. RPE activated GPR40-related insulin secretory pathway and activated the glucose metabolism regulator AMPK (up to 78%). Our results support the hypothesis that foods with a high concentration of anthocyanins and phenolic acids, such as in the selected variety of maize used, could ameliorate obesity and type 2 diabetes comorbidities.
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Affiliation(s)
- Diego A Luna-Vital
- Department of Food Science and Human Nutrition , University of Illinois at Urbana-Champaign , 228 Edward R. Madigan Laboratory (ERML), 1201 West Gregory Drive , Urbana , Illinois 61801 , United States
| | - Laura Chatham
- Department of Crop Sciences , University of Illinois at Urbana-Champaign , 307 Edward R. Madigan Laboratory (ERML), 1201 West Gregory Drive , Urbana , Illinois 61801 , United States
| | - John Juvik
- Department of Crop Sciences , University of Illinois at Urbana-Champaign , 307 Edward R. Madigan Laboratory (ERML), 1201 West Gregory Drive , Urbana , Illinois 61801 , United States
| | - Vijay Singh
- Department of Agricultural and Biological Engineering , University of Illinois at Urbana-Champaign , 1304 West Pennsylvania Avenue , Urbana , Illinois 61801 , United States
| | - Pavel Somavat
- School of Earth, Environmental, and Marine Sciences , The University of Texas Rio Grande Valley , ESCNE 1.618, 1201 West University Dr. , Edinburg , Texas 78539 , United States
| | - Elvira Gonzalez de Mejia
- Department of Food Science and Human Nutrition , University of Illinois at Urbana-Champaign , 228 Edward R. Madigan Laboratory (ERML), 1201 West Gregory Drive , Urbana , Illinois 61801 , United States
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Andrade N, Marques C, Andrade S, Silva C, Rodrigues I, Guardão L, Guimarães JT, Keating E, Calhau C, Martel F. Effect of chrysin on changes in intestinal environment and microbiome induced by fructose-feeding in rats. Food Funct 2019; 10:4566-4576. [PMID: 31314039 DOI: 10.1039/c9fo01142k] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Intake of fructose-containing sugars is epidemiological and experimentally linked to metabolic syndrome (MS). We recently verified that the dietary polyphenol chrysin was able to abolish some of the metabolic changes induced by fructose-feeding in the rat. Because the role of the intestine upon fructose-induced MS is poorly understood, we decided to investigate the influence of fructose, in vivo, on the intestinal environment and the ability of chrysin to interfere with the putative observed changes. For this, adult male Sprague-Dawley rats were treated for 18 weeks as follows: (A) tap water (CONT), (B) tap water and chrysin (100 mg kg-1 day-1) (CHRY), (C) 10% fructose in tap water (FRUCT), and (D) 10% fructose in tap water and chrysin (100 mg kg-1 day-1) (FRUCT + CHRY). Our findings show that the relative expression of SGLT1 and GLUT2 mRNA were not affected by fructose-feeding and/or chrysin. In contrast, GLUT5 mRNA expression was markedly increased in fructose-fed animals, and this effect was reduced by chrysin. However, the apparent permeability to 14C-FRUCT was markedly and similarly decreased in FRUCT, CHRY and FRUCT + CHRY rats. Jejunal villus width and crypt depth were significantly higher in FRUCT and FRUCT + CHRYS rats, respectively. Finally, chrysin did not alter gut microbiota composition, but fructose significantly increased Lactobacillus and E. coli. Moreover, FRUCT + CHRY rats had an increase on the Firmicutes to Bacteroidetes ratio. This is the first report showing that chrysin is able to interfere with the effects of fructose at the intestinal level, which may contribute to the fructose-induced MS features.
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Affiliation(s)
- Nelson Andrade
- Department of Biomedicine - Unit of Biochemistry, Faculty of Medicine of Porto, University of Porto, Porto, Portugal.
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Ji J, Yang X, Flavel M, Shields ZPI, Kitchen B. Antioxidant and Anti-Diabetic Functions of a Polyphenol-Rich Sugarcane Extract. J Am Coll Nutr 2019; 38:670-680. [PMID: 31008696 DOI: 10.1080/07315724.2019.1587323] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Objectives: Dysfunctional metabolism of carbohydrates is a fundamental component of many dietary-related disorders. It has been hypothesized that plant extracts containing high levels of antioxidants may have the ability to stabilize carbohydrate regulation. The aim of this study was to assess the effects of a polyphenol-rich sugarcane extract on cellular pathways related to carbohydrate metabolism.Methods: We evaluated the antioxidant activity of a polyphenol-rich sugarcane extract obtained by a patented hydrophobic extract process and its therapeutic potential to regulate carbohydrate metabolism and protect against metabolic disorders such as type 2 diabetes.Results: Quantitative analytical studies support that the polyphenol-rich sugarcane extract has a high concentration of polyphenols and antioxidant compounds. The follow-up cellular studies via Caco-2 cells and dysfunctional β-cell models suggested that the polyphenol-rich sugarcane extract may help deter glucose and fructose uptake in intestinal cells and restore insulin production in dysfunctional β-cells-key functions in managing diabetic conditions.Conclusions: These findings suggest that sugarcane polyphenols may modulate cellular mechanism in a manner that is beneficial to health.
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Affiliation(s)
- Jin Ji
- PulchriBio Intl, Cambridge, Massachusetts, USA
| | - Xin Yang
- TPM Bioactives Division, The Product Makers Pty Ltd, Melbourne, Australia
| | - Matthew Flavel
- TPM Bioactives Division, The Product Makers Pty Ltd, Melbourne, Australia
| | | | - Barry Kitchen
- TPM Bioactives Division, The Product Makers Pty Ltd, Melbourne, Australia
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Loureiro G, Martel F. The effect of dietary polyphenols on intestinal absorption of glucose and fructose: Relation with obesity and type 2 diabetes. FOOD REVIEWS INTERNATIONAL 2019. [DOI: 10.1080/87559129.2019.1573432] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Guilherme Loureiro
- Department of Biomedicine, Unit of Biochemistry, Faculty of Medicine, University of Porto, Porto, Portugal
| | - Fátima Martel
- Department of Biomedicine, Unit of Biochemistry, Faculty of Medicine, University of Porto, Porto, Portugal
- Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
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Andrade N, Andrade S, Silva C, Rodrigues I, Guardão L, Guimarães JT, Keating E, Martel F. Chronic consumption of the dietary polyphenol chrysin attenuates metabolic disease in fructose-fed rats. Eur J Nutr 2019; 59:151-165. [PMID: 30631887 DOI: 10.1007/s00394-019-01895-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 01/05/2019] [Indexed: 02/07/2023]
Abstract
PURPOSE Metabolic syndrome (MS) is a major public health issue worldwide and fructose consumption has been associated with MS development. Recently, we showed that the dietary polyphenol chrysin is an effective inhibitor of fructose uptake by human intestinal epithelial cells. Therefore, our aim was to investigate if chrysin interferes with the development of MS induced by fructose in an animal model. METHODS Adult male Sprague-Dawley rats (220-310 g) were randomly divided into four groups: (A) tap water (control), (B) tap water and a daily dose of chrysin (100 mg/kg) by oral administration (chrysin) (C) 10% fructose in tap water (fructose), and (D) 10% fructose in tap water and a daily dose of chrysin (100 mg/kg) by oral administration (fructose + chrysin). All groups were fed ad libitum with standard laboratory chow diet and dietary manipulation lasted 18 weeks. RESULTS Fructose-feeding for 18 weeks induced an increase in serum triacylglycerols, insulin and angiotensin II levels and in hepatic fibrosis and these changes did not occur in fructose + chrysin rats. Moreover, the increase in both systolic and diastolic blood pressure which was found in fructose-fed animals from week 14th onwards was not observed in fructose + chrysin animals. In contrast, the increase in energy consumption, liver/body, heart/body and right kidney/body weight ratios, serum proteins, serum leptin and liver triacylglycerols observed in fructose-fed rats was not affected by chrysin. CONCLUSIONS Chrysin was able to protect against some of the MS features induced by fructose-feeding.
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Affiliation(s)
- Nelson Andrade
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, Porto, Portugal
- Instituto de Investigação e Inovação em Saúde (I3S), University of Porto, Porto, Portugal
| | - Sara Andrade
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, Porto, Portugal
- Instituto de Investigação e Inovação em Saúde (I3S), University of Porto, Porto, Portugal
| | - Claúdia Silva
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, Porto, Portugal
- Instituto de Investigação e Inovação em Saúde (I3S), University of Porto, Porto, Portugal
| | - Ilda Rodrigues
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, Porto, Portugal
| | - Luísa Guardão
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, Porto, Portugal
| | - João T Guimarães
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, Porto, Portugal
- Department of Clinical Pathology, São João Hospital Centre, Porto, Portugal
- Institute of Public Health, University of Porto, Porto, Portugal
| | - Elisa Keating
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, Porto, Portugal
- CINTESIS, Center for Research in Health Technologies and Information Systems, University of Porto, Porto, Portugal
| | - Fátima Martel
- Unit of Biochemistry, Department of Biomedicine, Faculty of Medicine of Porto, University of Porto, Porto, Portugal.
- Instituto de Investigação e Inovação em Saúde (I3S), University of Porto, Porto, Portugal.
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Andrade N, Silva C, Martel F. The effect of oxidative stress upon intestinal sugar transport: an in vitro study using human intestinal epithelial (Caco-2) cells. Toxicol Res (Camb) 2018; 7:1236-1246. [PMID: 30542607 PMCID: PMC6243649 DOI: 10.1039/c8tx00183a] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Accepted: 09/10/2018] [Indexed: 12/13/2022] Open
Abstract
The pathogenesis of various gastrointestinal diseases, including gastrointestinal cancers and inflammatory bowel disease, is associated with increased oxidative stress levels. We aimed to investigate the effect of oxidative stress induced by tert-butylhydroperoxide (TBH) on the uptake of 3H-deoxy-d-glucose (3H-DG) and 14C-fructose by the human intestinal Caco-2 cell line. TBH (500 μM; 24 h) increased lipid peroxidation (TBARS) levels and was not cytotoxic. TBH (500 μM; 24 h) increased uptake of both low (SGLT1-mediated) and high concentrations (SGLT1- and GLUT2-mediated) of 3H-DG, but did not affect absorption of 14C-fructose (GLUT2- and GLUT5-mediated). The polyphenol chrysin abolished the increase in TBARS levels and the increase in uptake of both low and high concentrations of 3H-DG induced by TBH. On the other hand, TBH blocked the inhibitory effect of chrysin on 14C-fructose uptake. 3H-DG uptake, but not 14C-fructose uptake, was sensitive to sweet taste receptor (STRs) inhibition (with lactisole). The inhibitory effect of lactisole in relation to uptake of 3H-DG (10 nM) (SGLT1-mediated), but not in relation to uptake of 3H-DG (50 mM) (SGLT1- and GLUT2-mediated), was abolished in the presence of TBH. So, these results show that the stimulatory effect of STRs on SGLT1-mediated transport is dependent on oxidative stress levels. In conclusion, this work shows that uptake of both 3H-DG and 14C-fructose is sensitive to oxidative stress levels. Moreover, it suggests that the three distinct transporters involved in the intestinal absorption of glucose and fructose (SGLT1, GLUT2 and GLUT5) have different sensitivities to oxidative stress levels, SGLT1 being the most sensitive and GLUT5 the least.
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Affiliation(s)
- Nelson Andrade
- Department of Biomedicine - Unit of Biochemistry , Faculty of Medicine of Porto , University of Porto , Porto , Portugal .
- Instituto de Investigação e Inovação em Saúde (I3S) , University of Porto , Porto , Portugal
| | - Cláudia Silva
- Department of Biomedicine - Unit of Biochemistry , Faculty of Medicine of Porto , University of Porto , Porto , Portugal .
- Instituto de Investigação e Inovação em Saúde (I3S) , University of Porto , Porto , Portugal
| | - Fátima Martel
- Department of Biomedicine - Unit of Biochemistry , Faculty of Medicine of Porto , University of Porto , Porto , Portugal .
- Instituto de Investigação e Inovação em Saúde (I3S) , University of Porto , Porto , Portugal
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Liu H, Ye H, Sun C, Xi H, Ma J, Lai F, Wu H. Antioxidant activity in HepG2 cells, immunomodulatory effects in RAW 264.7 cells and absorption characteristics in Caco-2 cells of the peptide fraction isolated from Dendrobium aphyllum. Int J Food Sci Technol 2018. [DOI: 10.1111/ijfs.13783] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Huifan Liu
- College of Food Science and Engineering; South China University of Technology; Guangzhou, Guangdong 510640 China
| | - Hongji Ye
- College of Food Science and Engineering; South China University of Technology; Guangzhou, Guangdong 510640 China
| | - Chongzhen Sun
- College of Food Science and Engineering; South China University of Technology; Guangzhou, Guangdong 510640 China
| | - Hongru Xi
- College of Food Science and Engineering; South China University of Technology; Guangzhou, Guangdong 510640 China
| | - Juanjuan Ma
- College of Food Science and Engineering; South China University of Technology; Guangzhou, Guangdong 510640 China
| | - Furao Lai
- College of Food Science and Engineering; South China University of Technology; Guangzhou, Guangdong 510640 China
| | - Hui Wu
- College of Food Science and Engineering; South China University of Technology; Guangzhou, Guangdong 510640 China
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Wu H, Xi H, Lai F, Ma J, Liu H. Chemical and cellular antioxidant activity of flavone extracts of Labisia pumila before and after in vitro gastrointestinal digestion. RSC Adv 2018; 8:12116-12126. [PMID: 35539415 PMCID: PMC9079265 DOI: 10.1039/c8ra00142a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Accepted: 03/21/2018] [Indexed: 11/21/2022] Open
Abstract
Two kinds of flavone extracts were extracted and purified from Labisia pumila (LP). High-performance liquid chromatography (HPLC) analysis was used to determinate the flavones in the extracts, and catechin, glycitin, rutin, naringin, and myricetin were identified in the LP leaf extract (LPL-F) while genistin, naringin, and myricetin were found in the stem extract (LPS-F). Specific flavonol compounds mediated the satisfactory scavenging abilities. The flavone leaf extracts performed better than the stem extracts in chemical antioxidative activities but worse in cellular antioxidative capabilities. The chemical and cellular antioxidative activities were not obviously changed by gastrointestinal digestion but slightly changed at the last 2 hours of intestinal digestion because prolonged exposure to alkaline conditions could destroy the structure of flavonoids. Changes in MDA and GSH content, and enzyme activities of SOD and GSH-Px in human erythrocytes during GI digestion indicated the possible intracellular antioxidant-detoxifying mechanisms were through attenuating AAPH-induced oxidative stress by inhibiting ROS generation, in which stem extracts performed the better.
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Affiliation(s)
- Hui Wu
- College of Food Science and Engineering, South China University of Technology 81 Wu Shan Lu, Tianhe Qu Guangzhou Shi Guangdong Sheng 510640 China +86-20-87112532 +86-20-87112853
| | - Hongru Xi
- College of Food Science and Engineering, South China University of Technology 81 Wu Shan Lu, Tianhe Qu Guangzhou Shi Guangdong Sheng 510640 China +86-20-87112532 +86-20-87112853
| | - Furao Lai
- College of Food Science and Engineering, South China University of Technology 81 Wu Shan Lu, Tianhe Qu Guangzhou Shi Guangdong Sheng 510640 China +86-20-87112532 +86-20-87112853
| | - Juanjuan Ma
- College of Food Science and Engineering, South China University of Technology 81 Wu Shan Lu, Tianhe Qu Guangzhou Shi Guangdong Sheng 510640 China +86-20-87112532 +86-20-87112853
| | - Huifan Liu
- College of Food Science and Engineering, South China University of Technology 81 Wu Shan Lu, Tianhe Qu Guangzhou Shi Guangdong Sheng 510640 China +86-20-87112532 +86-20-87112853
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