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Paunovic M, Milosevic M, Mitrovic-Ajtic O, Velickovic N, Micic B, Nedic O, Todorovic V, Vucic V, Petrovic S. Polyphenol-rich black currant and cornelian cherry juices ameliorate metabolic syndrome induced by a high-fat high-fructose diet in Wistar rats. Heliyon 2024; 10:e27709. [PMID: 38590904 PMCID: PMC10999883 DOI: 10.1016/j.heliyon.2024.e27709] [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] [Revised: 03/05/2024] [Accepted: 03/05/2024] [Indexed: 04/10/2024] Open
Abstract
Diets high in fat and sugar lead to metabolic syndrome (MetS) and related chronic diseases. We investigated the effects of commercially available, cold-pressed polyphenol-rich black currant (BC) and cornelian cherry (CC) juices on the prevention of MetS in Wistar rats induced by a 10-weeks high-fat high-fructose (HFF) diet. Juice consumption, either BC or CC, with a HFF diet resulted in lower serum triglycerides compared to only the HFF consumption. Both juices also mitigated the effects of HFF on the liver, pancreas, and adipose tissue, by preserving liver and pancreas histomorphology and reducing visceral fat and adipocyte size. Furthermore, supplementation with both juices reduced glucagon and up-regulated insulin expression in the pancreas of the rats on the HFF diet, whereas the BC also showed improved glucose regulation. BC juice also reduced the expression of IL-6 and hepatic inflammation compared to the group only on HFF diet. Both juices, especially BC, could be a convenient solution for the prevention of MetS in humans.
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Affiliation(s)
- Marija Paunovic
- Group for Nutritional Biochemistry and Dietology, Centre of Research Excellence in Nutrition and Metabolism, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, 11000, Belgrade, Serbia
| | - Maja Milosevic
- Group for Neuroendocrinology, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, 11000, Belgrade, Serbia
| | - Olivera Mitrovic-Ajtic
- Group for Molecular Oncology, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, 11000, Belgrade, Serbia
| | - Natasa Velickovic
- Department of Biochemistry, Institute for Biological Research “Siniša Stanković”, National Institute of the Republic of Serbia, University of Belgrade, 11060, Belgrade, Serbia
| | - Bojana Micic
- Department of Biochemistry, Institute for Biological Research “Siniša Stanković”, National Institute of the Republic of Serbia, University of Belgrade, 11060, Belgrade, Serbia
| | - Olgica Nedic
- Institute for the Application of Nuclear Energy (INEP), University of Belgrade, 11080, Belgrade, Serbia
| | - Vanja Todorovic
- Department of Bromatology, University of Belgrade - Faculty of Pharmacy, 11221, Belgrade, Serbia
| | - Vesna Vucic
- Group for Nutritional Biochemistry and Dietology, Centre of Research Excellence in Nutrition and Metabolism, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, 11000, Belgrade, Serbia
| | - Snjezana Petrovic
- Group for Nutritional Biochemistry and Dietology, Centre of Research Excellence in Nutrition and Metabolism, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, 11000, Belgrade, Serbia
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Rahimlou M, Baghdadi G, Khodi A, Rahimi Z, Saki N, Banaei Jahromi N, Cheraghian B, Tavasolian R, Hosseini SA. Polyphenol consumption and Nonalcoholic fatty liver disease risk in adults. Sci Rep 2024; 14:6752. [PMID: 38514756 PMCID: PMC10957908 DOI: 10.1038/s41598-024-57416-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 03/18/2024] [Indexed: 03/23/2024] Open
Abstract
In this cross-sectional investigation, the primary objective was to explore the correlation between the consumption of polyphenols and the likelihood of non-alcoholic fatty liver disease (NAFLD) in the adult population participating in the Hoveyzeh cohort. Data from the Hoveyzeh cohort study, part of the Persian Cohort Study, involving 10,009 adults aged 35-70, were analyzed. Exclusions were made for missing data, extreme energy intake, and liver cancer patients. Dietary habits were assessed using a food frequency questionnaire, and polyphenol intake was calculated using the Phenol Explorer database. Logistic regression analyses, adjusted for confounders, were performed to assess the relationship between polyphenol subclasses (total polyphenols, total flavonoids, phenolic acid, and lignin) and NAFLD. Among 9894 participants, those in the highest quintile of total polyphenol (OR 0.65, CI 0.5-0.84; P = 0.007), phenolic acid (OR 0.67, CI 0.52-0.86; P < 0.001), and lignin intake (OR 0.69, CI 0.52-0.87; P = 0.001) demonstrated lower odds of NAFLD compared to the lowest quintile, even after adjusting for confounding factors. However, no significant association was found between total flavonoid intake and NAFLD (OR 1.26, CI 0.96-1.67; P = 0.47). Subgroup analysis indicated a significant inverse association between total polyphenols and NAFLD in women (OR 0.64, CI 0.42-0.93; P = 0.001). Higher intake of total polyphenols, phenolic acid, and lignin was associated with reduced odds of NAFLD among adults in the Hoveyzeh cohort. This suggests that dietary patterns rich in these polyphenols may play a role in mitigating the risk of NAFLD. Further interventional and longitudinal studies are needed to validate these findings and explore potential preventive strategies involving polyphenol-rich diets.
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Affiliation(s)
- Mehran Rahimlou
- Department of Nutrition, School of Public Health, Zanjan University of Medical Sciences, Zanjan, Iran
- Department of Nutrition, School of Allied Medical Sciences, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Ghazal Baghdadi
- Department of Nutrition, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Ali Khodi
- Taylor's University, Subang Jaya, Malaysia
| | - Zahra Rahimi
- Department of Biostatistics and Epidemiology, School of Public Health, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Nader Saki
- Department of Otolaryngology, Head and Neck Surgery, Hearing Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Nasrin Banaei Jahromi
- Department of Nutrition, School of Allied Medical Sciences, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Nutrition and Metabolic Disease Research Center, Clinical Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Bahman Cheraghian
- Alimentary Tract Research Center, Department of Biostatistics & Epidemiology, School of Public Health, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Ronia Tavasolian
- Department of Nutrition, School of Public Health, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Seyed Ahmad Hosseini
- Department of Nutrition, School of Allied Medical Sciences, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
- Nutrition and Metabolic Disease Research Center, Clinical Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
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Wang X, Ren Y, Li S, Guo C, Gao Z. Development of a polyphenol-enriched whole kiwifruit dietary supplement and its potential in ameliorating hyperlipidemia. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:2142-2155. [PMID: 37926484 DOI: 10.1002/jsfa.13099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 10/28/2023] [Accepted: 11/06/2023] [Indexed: 11/07/2023]
Abstract
BACKGROUND Kiwifruit pomace, which contains abundant phenolic compounds, is typically discarded during the juicing process, leading to wastage of valuable resources. To address this issue, various indicators (including total acidity, sugar/acid ratio, vitamin C, total polyphenols, polyphenol monomers, and soluble solids content) of 15 kiwifruit cultivars were evaluated and juiced. Then, a polyphenol-concentrated solution from kiwifruit pomace was backfilled into kiwi juice to prepare whole nutritious compound kiwi juice, and its anti-hyperlipidemic activity on obese model mice was then investigated. RESULTS Through grey relational analysis and the technique for order preference by similarity to an ideal solution (TOPSIS), Kuimi and Huayou were identified as the predominant varieties for juicing, with weighted relevance scores of 0.695 and 0.871 respectively and TOPSIS scores of 0.6509 and 0.8220 respectively. The polyphenol content of Cuixiang pomace was 43.97 mg g-1 , making it the most suitable choice for polyphenol extraction. By backfilling a polyphenol-concentrated solution derived from Cuixiang pomace into compound kiwi juice of Huayou and Kuimi, the whole nutritious compound kiwi juice with polyphenols was produced and exhibited superior bioactivities, including enhanced hepatic oxidative stress defense, and alleviated serum lipid abnormalities. Furthermore, whole nutritious compound kiwi juice with polyphenols ameliorated host intestinal microbiota dysbiosis by increasing the relative abundance of the phyla Bacteroidota and Verrucomicrobiota. CONCLUSION A hypolipidemic dietary supplement based on kiwifruit pomace polyphenols has been successfully developed, providing an effective solution for hyperlipidemia intervention. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Xingnan Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, People's Republic of China
| | - Yaopeng Ren
- College of Food Science and Engineering, Northwest A&F University, Yangling, People's Republic of China
| | - Shiqi Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, People's Republic of China
| | - Chunfeng Guo
- College of Food Science and Engineering, Northwest A&F University, Yangling, People's Republic of China
| | - Zhenpeng Gao
- College of Food Science and Engineering, Northwest A&F University, Yangling, People's Republic of China
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Li Z, Wu J, Zhao Y, Song J, Wen Y. Natural products and dietary interventions on liver enzymes: an umbrella review and evidence map. Front Nutr 2024; 11:1300860. [PMID: 38371505 PMCID: PMC10869519 DOI: 10.3389/fnut.2024.1300860] [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: 09/25/2023] [Accepted: 01/15/2024] [Indexed: 02/20/2024] Open
Abstract
Background The association between natural products and dietary interventions on liver enzymes is unclear; therefore, this study aimed to examine their effects on liver enzymes in adults. Methods PubMed, Embase, and Cochrane Library of Systematic Reviews databases were searched from inception until March 2023. The Assessment of Multiple Systematic Reviews-2 (AMSTAR-2) and Grading of Recommendations Assessment, Development, and Evaluation (GRADE) systems were used to assess the methodological and evidence quality, and the therapeutic effects were summarized in a narrative form. Results A total of 40 meta-analyses on natural products (n = 25), dietary supplements (n = 10), and dietary patterns (n = 5) were evaluated, and results were presented in a narrative form. The overall methodological quality of the included studies was relatively poor. The results indicated that positive effects were observed for nigella sativa, garlic, artichoke, curcumin, silymarin, vitamin E, vitamin D, L-carnitine, propolis, and polyunsaturated fatty acids on certain liver enzymes. The dietary patterns, including high-protein, Mediterranean, and calorie-restriction diets and evening snacks, may reduce liver enzymes; however, other supplements and herbs did not reduce liver enzyme levels or have minimal effects. The evidence quality was generally weak given the risk of bias, heterogeneity, and imprecision. Conclusion This umbrella review suggests that natural products and dietary interventions have beneficial therapeutic effects on liver enzymes levels. Further clinical trials are necessary to establish the effectiveness of supplements that reduce liver enzymes.
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Affiliation(s)
- Zhongyu Li
- Department of Chinese Medicine, Eye Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jiao Wu
- Department of Oncology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yingpan Zhao
- Institute of Digestive Diseases, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jinjie Song
- Department of Oncology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yandong Wen
- Department of Chinese Medicine, Eye Hospital, China Academy of Chinese Medical Sciences, Beijing, China
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Choi HN, Kim JI. Daraesoon (shoot of hardy kiwi) mitigates hyperglycemia in db/db mice by alleviating insulin resistance and inflammation. Nutr Res Pract 2024; 18:88-97. [PMID: 38352218 PMCID: PMC10861346 DOI: 10.4162/nrp.2024.18.1.88] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 01/10/2024] [Accepted: 01/17/2024] [Indexed: 02/16/2024] Open
Abstract
BACKGROUND/OBJECTIVES Mitigating insulin resistance and hyperglycemia is associated with a decreased risk of diabetic complications. The effect of Daraesoon (shoot of hardy kiwi, Actinidia arguta) on hyperglycemia was investigated using a type 2 diabetes animal model. MATERIALS/METHODS Seven-week-old db/db mice were fed either an AIN-93G diet or a diet containing 0.4% of a 70% ethanol extract of Daraesoon, whereas db/+ mice were fed the AIN-93G diet for 7 weeks. RESULTS Consumption of Daraesoon significantly reduced serum glucose and blood glycated hemoglobin levels, along with homeostasis model assessment for insulin resistance in db/db mice. Conversely, Daraesoon elevated the serum adiponectin levels compared to the db/db control group. Furthermore, Daraesoon significantly decreased both serum and hepatic triglyceride levels, as well as serum total cholesterol levels. Additionally, consumption of Daraesoon resulted in decreased hepatic tumor necrosis factor-α and monocyte chemoattractant protein-1 expression. CONCLUSIONS These results suggest that hypoglycemic effect of Daraesoon is mediated through the improvement of insulin resistance and the downregulation of pro-inflammatory cytokine expression in db/db mice.
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Affiliation(s)
- Ha-Neul Choi
- Department of Food and Nutrition, Changwon National University, Changwon 51140, Korea
| | - Jung-In Kim
- Institute of Digital Anti-Aging Healthcare, Inje University, Gimhae 50834, Korea
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Ren Y, Xu Z, Qiao Z, Wang X, Yang C. Flaxseed Lignan Alleviates the Paracetamol-Induced Hepatotoxicity Associated with Regulation of Gut Microbiota and Serum Metabolome. Nutrients 2024; 16:295. [PMID: 38257189 PMCID: PMC10821007 DOI: 10.3390/nu16020295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 01/08/2024] [Accepted: 01/10/2024] [Indexed: 01/24/2024] Open
Abstract
This study examined the protective effect of flaxseed lignans on liver damage caused by an overdose of paracetamol (PAM). The findings demonstrated that administering 800 mg/kg/d flaxseed lignan prior to PAM significantly decreased the serum aspartate aminotransferase (AST), alanine aminotransferase (ALT), and total bilirubin (TBi) levels, while it increased liver superoxide dismutase (SOD) and glutathione (GSH) levels in mice. Flaxseed lignan renovated the gut microbiota dysbiosis induced by PAM by promoting the proliferation of sulfonolipid (SL) producing bacteria such as Alistipes and lignan-deglycosolating bacteria such as Ruminococcus while inhibiting the growth of opportunistic pathogen bacteria such as Acinetobacter and Clostridium. Furthermore, flaxseed lignan modulated the serum metabolomic profile after PAM administration, specifically in the taurine and hypotaurine metabolism, phenylalanine metabolism, and pyrimidine metabolism. The study identified eight potential biomarkers, including enterolactone, cervonyl carnitine, acutilobin, and PC (20:3(5Z, 8Z, 11Z)/20:0). Overall, the results suggest that flaxseed lignan can alleviate PAM-induced hepatotoxicity and may be beneficial in preventing drug-induced microbiome and metabolomic disorders.
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Affiliation(s)
- Yongyan Ren
- Key Laboratory of Oilseeds Processing of Ministry of Agriculture and Rural Affairs, Hubei Key Laboratory of Lipid Chemistry and Nutrition, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, No. 2 Xudong 2nd Road, Wuhan 430062, China
| | - Zhenxia Xu
- Key Laboratory of Oilseeds Processing of Ministry of Agriculture and Rural Affairs, Hubei Key Laboratory of Lipid Chemistry and Nutrition, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, No. 2 Xudong 2nd Road, Wuhan 430062, China
| | - Zhixian Qiao
- Institute of Hydrobiology, Chinese Academy of Sciences, No. 7 Donghu South Road, Wuhan 430060, China
| | - Xu Wang
- College of Animal Science and Technology, Huazhong Agricultural University, No. 1 Shizishan Street, Wuhan 430070, China
| | - Chen Yang
- Key Laboratory of Oilseeds Processing of Ministry of Agriculture and Rural Affairs, Hubei Key Laboratory of Lipid Chemistry and Nutrition, Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, No. 2 Xudong 2nd Road, Wuhan 430062, China
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Ferrantelli V, Vasto S, Alongi A, Sabatino L, Baldassano D, Caldarella R, Gagliano R, Di Rosa L, Consentino BB, Vultaggio L, Baldassano S. Boosting plant food polyphenol concentration by saline eustress as supplement strategies for the prevention of metabolic syndrome: an example of randomized interventional trial in the adult population. Front Nutr 2023; 10:1288064. [PMID: 38196756 PMCID: PMC10774224 DOI: 10.3389/fnut.2023.1288064] [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: 09/03/2023] [Accepted: 11/24/2023] [Indexed: 01/11/2024] Open
Abstract
Introduction Phenolic compounds in lettuce can increase by the application of positive stress (eustress) such as moderate saline stress. Phenolic compounds possess antioxidant capacity that is a key factor in the detoxification of excess reactive oxygen species. A double-blinded randomized interventional and placebo- controlled study design was carried out to compare the effect of daily dietary eustress lettuce ingestion in hepatic, lipid, bone, glucose, and iron metabolism. Methods Forty-two healthy volunteers, 19 female and 23 male participants, were divided into two groups. Participants were randomized into a polyphenol-enriched treatment (PET) arm or control arm. Each arm consumed 100 g/day of control or eustress (polyphenols enriched treatment = PET) lettuce for 12 days. Primary study outcomes were serological analysis for assessing hepatic, lipid, bone, iron, and glucose markers at baseline and after 12 days. Secondary outcomes assessed body composition. Results Salinity stress reduced plant yield but increased caffeic acid (+467%), chlorogenic acid (+320%), quercetin (+538%), and rutin (+1,095%) concentrations. The intake of PET lettuce reduced PTH, low-density lipoprotein (LDL), cholesterol, alanine transaminase (ALT), and aspartate transaminase (AST) enzyme levels and increased vitamin D and phosphate levels, while iron and glucose metabolism were unaffected. Discussion Supplementation with eustress lettuce by increasing polyphenols concentration ameliorates hepatic, lipid, and bone homeostasis. Body composition was not affected. Clinical trial registration https://classic.clinicaltrials.gov/ct2/show/NCT06002672, identifier: NCT06002672.
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Affiliation(s)
| | - Sonya Vasto
- Euro-Mediterranean Institutes of Science and Technology (IEMEST), Palermo, Italy
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Palermo, Italy
| | - Angelina Alongi
- Experimental Zooprophylactic Institute of Sicily, Palermo, Italy
| | - Leo Sabatino
- Dipartimento Scienze Agrarie, Alimentari e Forestali, University of Palermo, Palermo, Italy
| | - Davide Baldassano
- Department of Promoting Health, Maternal-Infant, Excellence and Internal and Specialized Medicine (ProMISE) G. D'Alessandro, University of Palermo, Palermo, Italy
| | - Rosalia Caldarella
- Department of Laboratory Medicine, “P. Giaccone” University Hospital, Palermo, Italy
| | - Rosaria Gagliano
- Experimental Zooprophylactic Institute of Sicily, Palermo, Italy
| | - Luigi Di Rosa
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Palermo, Italy
| | | | - Lorena Vultaggio
- Dipartimento Scienze Agrarie, Alimentari e Forestali, University of Palermo, Palermo, Italy
| | - Sara Baldassano
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Palermo, Italy
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Gade A, Kumar MS. Gut microbial metabolites of dietary polyphenols and their potential role in human health and diseases. J Physiol Biochem 2023; 79:695-718. [PMID: 37653220 DOI: 10.1007/s13105-023-00981-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 08/15/2023] [Indexed: 09/02/2023]
Abstract
Polyphenols contribute as one of the largest groups of compounds among all the phytochemicals. Common sources of dietary polyphenols are vegetables, fruits, berries, cereals, whole grains, etc. Owing to their original form, they are difficult to get absorbed. Dietary polyphenols after undergoing gut microbial metabolism form bioaccessible and effective metabolites. Polyphenols and derived metabolites are all together a diversified group of compounds exhibiting pharmacological activities against cardiovascular, cancer, oxidative stress, inflammatory, and bacterial diseases. The formed metabolites are sometimes even more bioavailable and efficacious than the parent polyphenols. Studies on gut microbial metabolism of dietary polyphenols have introduced new approach for the use of polyphenol-rich food in the form of supplementary diet. This review provides insights on various aspects including classification of polyphenols, gut microbiota-mediated metabolism of polyphenols, chemistry of polyphenol metabolism, and pharmacological actions of gut microbial metabolites of polyphenols. It also suggests the use of polyphenols from marine source for the microbial metabolism studies. Till date, gut microbial metabolism of polyphenols from terrestrial sources is extensively studied as compared to marine polyphenols. Marine ecosystem is a profound but partially explored source of phytoconstituents. Among them, edible seaweeds contain high concentration of polyphenols, especially phlorotannins. Hence, microbial metabolism studies of seaweeds can unravel the pharmacological potential of marine polyphenol-derived metabolites.
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Affiliation(s)
- Anushree Gade
- Somaiya Institute for Research and Consultancy, Somaiya Vidyavihar University, Vidya Vihar East, Mumbai, 400077, India
| | - Maushmi S Kumar
- Somaiya Institute for Research and Consultancy, Somaiya Vidyavihar University, Vidya Vihar East, Mumbai, 400077, India.
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Del Bo' C, Perna S, Allehdan S, Rafique A, Saad S, AlGhareeb F, Rondanelli M, Tayyem RF, Marino M, Martini D, Riso P. Does the Mediterranean Diet Have Any Effect on Lipid Profile, Central Obesity and Liver Enzymes in Non-Alcoholic Fatty Liver Disease (NAFLD) Subjects? A Systematic Review and Meta-Analysis of Randomized Control Trials. Nutrients 2023; 15:nu15102250. [PMID: 37242133 DOI: 10.3390/nu15102250] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 04/27/2023] [Accepted: 05/05/2023] [Indexed: 05/28/2023] Open
Abstract
The effectiveness of the Mediterranean diet (MD) in non-alcoholic fatty liver disease (NAFLD) subjects has been evaluated in several randomized controlled trials (RCTs). This systematic review and meta-analysis aimed to evaluate the overall effects of MD intervention in a cohort of NAFLD patients targeting specific markers such as central obesity, lipid profile, liver enzymes and fibrosis, and intrahepatic fat (IHF). Google Scholar, PubMed, and Scopus were explored to collect relevant studies from the last 10 years. RCTs with NAFLD subjects were included in this systematic review with a mean intervention duration from 6 weeks to 1 year, and different intervention strategies, mainly including energy restriction MD (normal or low glycaemic index), low-fat MD with increased monounsaturated and polyunsaturated fatty acids, and increased exercise expenditure. The outcomes measured in this meta-analysis were gamma-glutamyl transferase (GGT), alanine aminotransferase (ALT), total cholesterol (TC), waist circumference (WC), and liver fibrosis. Ten randomized controlled trials, which involved a total of 737 adults with NAFLD, were included. According to the results, the MD seems to decrease the liver stiffness (kPa) by -0.42 (CI95% -0.92, 0.09) (p = 0.10) and significantly reduce the TC by -0.46 mg/dl (CI95% -0.55, -0.38) (p = 0.001), while no significant findings were documented for liver enzymes and WC among patients with NAFLD. In conclusion, the MD might reduce indirect and direct outcomes linked with NAFLD severity, such as TC, liver fibrosis, and WC, although it is important to consider the variations across trials. Further RCTs are necessary to corroborate the findings obtained and provide further evidence on the role of the MD in the modulation of other disorders related to NAFLD.
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Affiliation(s)
- Cristian Del Bo'
- Department of Food, Environmental and Nutritional Sciences (DeFENS), Division of Human Nutrition, Università degli Studi di Milano, 20133 Milano, Italy
| | - Simone Perna
- Department of Food, Environmental and Nutritional Sciences (DeFENS), Division of Human Nutrition, Università degli Studi di Milano, 20133 Milano, Italy
| | - Sabika Allehdan
- Department of Biology, College of Science, University of Bahrain, Sakhir Campus, Zallaq P.O. Box 32038, Bahrain
| | - Ayesha Rafique
- Department of Biology, College of Science, University of Bahrain, Sakhir Campus, Zallaq P.O. Box 32038, Bahrain
| | - Sara Saad
- Department of Biology, College of Science, University of Bahrain, Sakhir Campus, Zallaq P.O. Box 32038, Bahrain
| | - Fahad AlGhareeb
- Department of Biology, College of Science, University of Bahrain, Sakhir Campus, Zallaq P.O. Box 32038, Bahrain
| | - Mariangela Rondanelli
- IRCCS Mondino Foundation, 27100 Pavia, Italy
- Unit of Human and Clinical Nutrition, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, 27100 Pavia, Italy
| | - Reema F Tayyem
- Department of Human Nutrition, College of Health Sciences, QU Health, Qatar University, Doha P.O. Box 2713, Qatar
| | - Mirko Marino
- Department of Food, Environmental and Nutritional Sciences (DeFENS), Division of Human Nutrition, Università degli Studi di Milano, 20133 Milano, Italy
| | - Daniela Martini
- Department of Food, Environmental and Nutritional Sciences (DeFENS), Division of Human Nutrition, Università degli Studi di Milano, 20133 Milano, Italy
| | - Patrizia Riso
- Department of Food, Environmental and Nutritional Sciences (DeFENS), Division of Human Nutrition, Università degli Studi di Milano, 20133 Milano, Italy
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Wang W, Xu C, Wang Q, Hussain MA, Wang C, Hou J, Jiang Z. Protective Effect of Polyphenols, Protein, Peptides, and Polysaccharides on Alcoholic Liver Disease: A Review of Research Status and Molecular Mechanisms. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023. [PMID: 37001022 DOI: 10.1021/acs.jafc.2c07081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Alcoholic liver disease (ALD) has emerged as an important public health problem in the world. The polyphenols, protein, peptides, and polysaccharides have attracted attention for prevention or treatment of ALD. Therefore, this paper reviews the pathogenesis of ALD, the relationship between polyphenols, peptides, polysaccharides, and ALD, and expounds the mechanism of gut microbiota on protecting ALD. It is mainly found that the hydroxyl group of polyphenols endows it with antioxidation to protect ALD. The ALD protection of bioactive peptides is related to amino acid composition. The ALD protection of polysaccharides is related to the primary structure. Meanwhile, polyphenols, protein, peptides, and polysaccharides prevent or treat ALD by antioxidation, anti-inflammatory, antiapoptosis, lipid metabolism, and gut microbiota regulation. This contribution provides updated information on polyphenols, protein, peptides, and polysaccharides in response to ALD, which will not only facilitate the development of novel bioactive components but also the future application of functional food raw materials will be promoted.
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Affiliation(s)
- Wan Wang
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Cong Xu
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Qingyun Wang
- Beidahuang Wondersun Dairy Co., Ltd., Harbin 150090, China
| | - Muhammad Altaf Hussain
- Lasbela University of Agriculture, Water and Marine Science Uthal, Balochistan 90150, Pakistan
| | - Changyuan Wang
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Juncai Hou
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Zhanmei Jiang
- Key Laboratory of Dairy Science, College of Food Science, Northeast Agricultural University, Harbin 150030, China
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Calluna vulgaris Crude Extract Reverses Liver Steatosis and Insulin Resistance-Associated-Brain Lesion Induced by CCl4 Administration. SEPARATIONS 2023. [DOI: 10.3390/separations10020094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Fatty liver (FL) is one of the most prevalent diseases in the world, characterized by insulin resistance and hyperlipidemia, which consequently lead to neurodegenerative disorders through the induction of oxidative stress-inflammatory axis, which alters the neurotransmitters’ levels. Calluna vulgaris (CV), also known as heather, has anti-inflammatory and antidepressant properties, making it a promising candidate for treating steatosis and brain lesions. This study aimed to assess the prophylactic and therapeutic effect of CV extract on brain dysfunction associated with steatosis. FL was induced in rats by CCl4 oral administration (50 µL/Kg in olive oil three times/week) for six weeks. The protection group received 200 mg/kg CV extract orally for two weeks before and two weeks during FL induction, while the treatment group was orally administered CV extract after FL induction for one month. The biochemical parameters revealed that CCl4 administration induced hepatotoxicity as blood-liver function parameters (AST, ALT, ALP, protein, and LDH) were increased by 1.8, 1.4, 2, 2.4, and 1.2-fold, respectively. Moreover, insulin resistance was characterized by a two-fold increase in the glucose, insulin, and lipid profile when compared to control one, at p < 0.05. Steatosis liver demonstrated a two-fold increase in all following parameters— acetaldehyde (AC), prooxidant (TBARS), acetylcholine esterase (AChE), monoamine oxidase (MAO), hyaluronidase, and ATPase—when compared to control one, at p < 0.05. CCl4 administration led to brain lesions where the brain level of TBARS, insulin, cholesterol, AChE, and MAO was progressively increased by 2, 1.6, 2.2, 4, and 1.6-fold, respectively, that was associated with reduced glucose (8-fold) and GSH (2-fold) than that of control level, at p < 0.05. CV extract as a prophylactic and therapeutic agent increased GSH and decreased TBARS of both the liver and brain than that of induced group, at p < 0.05, normalized the activities of AChE and MAO, and increased insulin sensitivity where they successfully decreased the HOMA-IR, glucose, TG, and cholesterol compared to than that of induced group, at p < 0.05. This positive effect of CV extract contributed to the presence of polyphenolic compounds such as catechins (5.501 ± 0.056 µg/g extract), gallic (3.525 ± 0.143 µg/g) extract, and protocatechuic acid (2.719 ± 0.132 µg/g extract). Therefore, we concluded that FL induced brain dysfunction through the formation of ROS and elevation of insulin and lipid inside the brain tissue, which alter the amount of neurotransmitter and cellular energy production. Rich in polyphenolic compounds, CV extract functions as an antioxidant, antidiabetic, hepatoprotective, inhibitor of neurotransmitter catabolizing enzymes, and a regulator for energy production. Therefore, it can be used as a preventative or treatment for NAFLD and brain damage.
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Vitale M, Della Pepa G, Costabile G, Bozzetto L, Cipriano P, Signorini S, Leoni V, Riccardi G, Vaccaro O, Masulli M. Association between Diet Quality and Index of Non-Alcoholic Steatohepatitis in a Large Population of People with Type 2 Diabetes: Data from the TOSCA.IT Study. Nutrients 2022; 14:nu14245339. [PMID: 36558498 PMCID: PMC9783620 DOI: 10.3390/nu14245339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/10/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022] Open
Abstract
Background: There are still open questions with respect to the optimal dietary treatment in patients with type 2 diabetes (T2D) and coexisting non-alcoholic steatohepatitis (NASH). The aim of this study is to investigate, in patients with T2D, the association between NASH, dietary component intake, food groups and adherence to the Mediterranean diet. Methods: Cross-sectional analysis of 2026 people with T2D (1136 men and 890 women). The dietary habits were assessed with the European Prospective Investigation into Cancer and Nutrition (EPIC) questionnaire. NASH was identified by the Index Of NASH (ION). Based on the cluster analysis two dietary patterns were identified: the NASH and the NO-NASH pattern. Results: The macronutrient composition of the diet was similar in the two patterns. However, the NASH pattern compared with the NO-NASH pattern was characterized by a significantly lower content of fibre (p < 0.001), β-carotene (p < 0.001), vitamin C (p < 0.001), vitamin E (p < 0.001), polyphenols (p = 0.026) and antioxidant capacity (p < 0.001). With regard to food consumption, the NASH pattern compared with NO-NASH pattern was characterized by higher intake of rice (p = 0.021), potatoes (p = 0.013), red (p = 0.004) and processed meat (p = 0.003), and a lower intake of wholegrain bread (p = 0.019), legumes and nuts (p = 0.049), vegetables (p = 0.047), fruits (p = 0.002), white meat (p = 0.001), fatty fish (p = 0.005), milk and yogurt (p < 0.001). Conclusions: NO-NASH dietary pattern was characterized by a food consumption close to the Mediterranean dietary model, resulting in a higher content of polyphenols, vitamins, and fibre. These finding highlight the potential for dietary components in the prevention/treatment of NASH in people with T2D.
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Affiliation(s)
- Marilena Vitale
- Department of Clinical Medicine and Surgery, University of Naples Federico II, 80131 Naples, Italy
| | - Giuseppe Della Pepa
- Department of Clinical Medicine and Surgery, University of Naples Federico II, 80131 Naples, Italy
| | - Giuseppina Costabile
- Department of Clinical Medicine and Surgery, University of Naples Federico II, 80131 Naples, Italy
| | - Lutgarda Bozzetto
- Department of Clinical Medicine and Surgery, University of Naples Federico II, 80131 Naples, Italy
| | - Paola Cipriano
- Department of Clinical Medicine and Surgery, University of Naples Federico II, 80131 Naples, Italy
| | - Stefano Signorini
- Laboratory of Clinical Biochemistry, Hospital Pius XI of Desio, ASST-Brianza, 20833 Desio, Italy
| | - Valerio Leoni
- Laboratory of Clinical Biochemistry, Hospital Pius XI of Desio, ASST-Brianza, 20833 Desio, Italy
- Department of Medicine and Surgery, University of Milano-Bicocca, 20216 Monza, Italy
| | - Gabriele Riccardi
- Department of Clinical Medicine and Surgery, University of Naples Federico II, 80131 Naples, Italy
| | - Olga Vaccaro
- Department of Clinical Medicine and Surgery, University of Naples Federico II, 80131 Naples, Italy
- Correspondence: ; Tel.: +39-081-746-3665
| | - Maria Masulli
- Department of Clinical Medicine and Surgery, University of Naples Federico II, 80131 Naples, Italy
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Now and future: Development and perspectives of using polyphenol nanomaterials in environmental pollution control. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Lu YH, Hong Y, Zhang TY, Chen YX, Wei ZJ, Gao CY. Rosmarinic acid exerts anti-inflammatory effect and relieves oxidative stress via Nrf2 activation in carbon tetrachloride-induced liver damage. Food Nutr Res 2022; 66:8359. [PMID: 36590857 PMCID: PMC9793765 DOI: 10.29219/fnr.v66.8359] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 06/24/2022] [Accepted: 08/15/2022] [Indexed: 11/19/2022] Open
Abstract
Background Rosmarinic acid (RA) has biological and pharmaceutical properties and shows hepatoprotective potential. However, the hepatoprotective mechanism of RA needs to be further elucidated in vivo and in vitro. Objective This study was aimed to evaluate the protective effect of RA on carbon tetrachloride (CCl4)-induced liver injury and elucidate the hepatoprotective mechanism of RA in vivo and in vitro. Design In vivo, the mice were orally administrated with RA (10, 20, and 40 mg/kg bw) daily for 28 consecutive days, and 1% CCl4 (5 mL/kg bw, dissolved in peanut oil) was used to induce liver injury. In vitro, the big rat liver (BRL) hepatocytes were pretreated with RA (0.2, 0.4, and 0.8 mg/mL) for 3 h, and then the hepatocytes were treated with CC14 (final concentration, 14 mM) for 3 h to induce cell injury. The related indexes, including hepatic function, oxidative stress, protein expression of nuclear-factor erythroid 2-related factor 2 (Nrf2) pathway, inflammation, histopathological change, hepatocyte apoptosis, and mitochondrial membrane potential, were evaluated. Results Oral administration of RA to mice considerably decreased the CCl4-induced elevation of serum alanine aminotransferase (ALT), alkaline phosphatase (ALP), triacylglycerols (TG), total cholesterol (TC), total bilirubin (TBIL), hepatic reactive oxygen species (ROS), malondialdehyde (MDA), nitric oxide (NO), 8-hydroxydeoxyguanosine (8-OHdG), tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), and interleukin-8 (IL-8). RA also increased the levels of hepatic glutathione (GSH), superoxide dismutase (SOD), and catalase (CAT) and the protein expressions of Nrf2, quinine oxidoreductase (NQO1), and heme oxygenease-1 (HO-1). Histopathological examinations indicated that RA (20 and 40 mg/kg bw) alleviated the liver tissue injury induced by CCl4. Moreover, RA inhibited the hepatocyte apoptosis caused by CCl4 based on TUNEL assay. In vitro, RA pretreatment remarkably recovered the cell viability and reduced the CCl4-induced elevation of AST, ALT, lactate dehydrogenase (LDH), ROS, and 8-OHdG. Immunohistochemistry staining demonstrated that pretreatment with RA markedly inhibited the expression of IL-6, inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), and Caspase-3 in CCl4-treated hepatocytes. Additionally, RA pretreatment significantly decreased the elevation of mitochondrial membrane potential in CCl4-treated hepatocytes. Conclusions RA exerted a protective effect against CCl4-induced liver injury in mice through activating Nrf2 signaling pathway, reducing antioxidant damage, suppressing inflammatory response, and inhibiting hepatocyte apoptosis. RA could attenuate BRL hepatocyte ROS production, DNA oxidative damage, inflammatory response, and apoptosis induced by CCl4 exposure.
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Affiliation(s)
- Yue-hong Lu
- College of Bioscience and Bioengineering, North Minzu University, Yinchuan, China
| | - Yue Hong
- School of Public Health, Dali University, Dali, China
| | | | - You-xia Chen
- School of Public Health, Dali University, Dali, China
| | - Zhao-jun Wei
- College of Bioscience and Bioengineering, North Minzu University, Yinchuan, China,School of Food Science and Engineering, Hefei University of Technology, Hefei, China
| | - Chun-yan Gao
- College of Bioscience and Bioengineering, North Minzu University, Yinchuan, China,Chun-yan Gao, College of Bioscience and Bioengineering, North Minzu University, No. 204, North Street of Wenchang, Xixia district, Yinchuan 750021 China.
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Combination Treatment with Hydroxytyrosol and Vitamin E Improves NAFLD-Related Fibrosis. Nutrients 2022; 14:nu14183791. [PMID: 36145170 PMCID: PMC9505330 DOI: 10.3390/nu14183791] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 08/31/2022] [Accepted: 09/05/2022] [Indexed: 12/14/2022] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD)-related liver fibrosis results in the encapsulation of injured liver parenchyma by a collagenous scar mainly imputable to hepatic stellate cells’ activation. Approved pharmacological treatments against NAFLD-related fibrosis are still lacking, but natural compounds such as hydroxytyrosol (HXT) and vitamin E (VitE), are emerging as promising therapeutic opportunities. In this study, the potential anti-fibrotic effect of HXT + VitE combination therapy was investigated in vitro and in vivo. In particular, tumor growth factor (TGF)-β-activated LX-2 cells as an in vitro model, and carbon tetrachloride plus a Western diet as a mice model were employed. The effect of HXT + VitE on fibrosis was also investigated in children with biopsy-proven NAFLD. Our results demonstrated that HXT + VitE caused a reduction of proliferation, migration, contractility, and expression of pro-fibrogenic genes in TGF-β-activated LX-2 cells. HXT + VitE treatment also antagonized TGF-β-dependent upregulation of pro-oxidant NOX2 by interfering with nuclear translocation/activation of SMAD2/3 transcription factors. The mouse model of NAFLD-related fibrosis treated with HXT + VitE showed a marked reduction of fibrosis pattern by histology and gene expression. Accordingly, in children with NAFLD, HXT + VitE treatment caused a decrease of circulating levels of PIIINP and NOX2 that was supported over time. Our study suggests that HXT + VitE supplementation may improve NAFLD-related fibrosis.
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Yang M, Khoukaz L, Qi X, Kimchi ET, Staveley-O’Carroll KF, Li G. Diet and Gut Microbiota Interaction-Derived Metabolites and Intrahepatic Immune Response in NAFLD Development and Treatment. Biomedicines 2021; 9:biomedicines9121893. [PMID: 34944709 PMCID: PMC8698669 DOI: 10.3390/biomedicines9121893] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 12/10/2021] [Accepted: 12/11/2021] [Indexed: 12/12/2022] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) with pathogenesis ranging from nonalcoholic fatty liver (NAFL) to the advanced form of nonalcoholic steatohepatitis (NASH) affects about 25% of the global population. NAFLD is a chronic liver disease associated with obesity, type 2 diabetes, and metabolic syndrome, which is the most increasing factor that causes hepatocellular carcinoma (HCC). Although advanced progress has been made in exploring the pathogenesis of NAFLD and penitential therapeutic targets, no therapeutic agent has been approved by Food and Drug Administration (FDA) in the United States. Gut microbiota-derived components and metabolites play pivotal roles in shaping intrahepatic immunity during the progression of NAFLD or NASH. With the advance of techniques, such as single-cell RNA sequencing (scRNA-seq), each subtype of immune cells in the liver has been studied to explore their roles in the pathogenesis of NAFLD. In addition, new molecules involved in gut microbiota-mediated effects on NAFLD are found. Based on these findings, we first summarized the interaction of diet-gut microbiota-derived metabolites and activation of intrahepatic immunity during NAFLD development and progression. Treatment options by targeting gut microbiota and important molecular signaling pathways are then discussed. Finally, undergoing clinical trials are selected to present the potential application of treatments against NAFLD or NASH.
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Affiliation(s)
- Ming Yang
- Department of Surgery, University of Missouri, Columbia, MO 65212, USA; (M.Y.); (L.K.); (X.Q.); (E.T.K.)
| | - Lea Khoukaz
- Department of Surgery, University of Missouri, Columbia, MO 65212, USA; (M.Y.); (L.K.); (X.Q.); (E.T.K.)
| | - Xiaoqiang Qi
- Department of Surgery, University of Missouri, Columbia, MO 65212, USA; (M.Y.); (L.K.); (X.Q.); (E.T.K.)
| | - Eric T. Kimchi
- Department of Surgery, University of Missouri, Columbia, MO 65212, USA; (M.Y.); (L.K.); (X.Q.); (E.T.K.)
- Harry S. Truman Memorial VA Hospital, Columbia, MO 65201, USA
| | - Kevin F. Staveley-O’Carroll
- Department of Surgery, University of Missouri, Columbia, MO 65212, USA; (M.Y.); (L.K.); (X.Q.); (E.T.K.)
- Harry S. Truman Memorial VA Hospital, Columbia, MO 65201, USA
- Correspondence: (K.F.S.-O.); (G.L.)
| | - Guangfu Li
- Department of Surgery, University of Missouri, Columbia, MO 65212, USA; (M.Y.); (L.K.); (X.Q.); (E.T.K.)
- Harry S. Truman Memorial VA Hospital, Columbia, MO 65201, USA
- Department of Molecular Microbiology and Immunology, University of Missouri-Columbia, Columbia, MO 65212, USA
- Correspondence: (K.F.S.-O.); (G.L.)
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Hu M, Zhang L, Ruan Z, Han P, Yu Y. The Regulatory Effects of Citrus Peel Powder on Liver Metabolites and Gut Flora in Mice with Non-Alcoholic Fatty Liver Disease (NAFLD). Foods 2021; 10:foods10123022. [PMID: 34945573 PMCID: PMC8701357 DOI: 10.3390/foods10123022] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 11/08/2021] [Accepted: 11/30/2021] [Indexed: 02/06/2023] Open
Abstract
Gannan navel orange and Jinggang pomelo, belonging to the genus Citrus, are good sources of phenolic compounds, which are mainly concentrated in the peel. These phenolic compounds are considered promising in the prevention and treatment of non-alcoholic fatty liver disease (NAFLD). In order to maximize nutrients retention and bioactivity in the peel, pomelo peel and orange peel were processed using freeze-drying technology and mixed in the ratio (pomelo peel powder 50% and orange peel powder 50%) to make citrus peel powder (CPP). The purpose of this study was to explore new strategies and mechanisms associated with the consumption of CPP to alleviate nonalcoholic fatty liver injury, lipid metabolism disorders, and gut microbiota dysbiosis in obese mice induced by high-fat diet (HFD). The results showed that after 12 weeks of CPP administration, CPP supplementation had a strong inhibitory effect on HFD-induced weight gain, hepatic fat accumulation, dyslipidemia, and the release of pro-inflammatory cytokines. In particular, CPP modulates the composition of the intestinal flora, such as increasing the relative abundance of phylum Firmicutes, genus Faecalibaculum, genus Lactobacillus, genus Dubosiella, and genus Lachnospiraceae_NK4A136_ group and decreasing the relative abundance of phylum Bacteroidota, genus Helicobacter, and genus Bacteroides. These results suggest that CPP has a preventive effect on NAFLD, which can be related to the regulation of intestinal flora.
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Affiliation(s)
- Meiyi Hu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University (BTBU), Beijing 100048, China;
- State Key Laboratory of Food Science and Technology, Institute of Nutrition and School of Food Science, Nanchang University, Nanchang 330047, China; (L.Z.); (P.H.); (Y.Y.)
| | - Li Zhang
- State Key Laboratory of Food Science and Technology, Institute of Nutrition and School of Food Science, Nanchang University, Nanchang 330047, China; (L.Z.); (P.H.); (Y.Y.)
| | - Zheng Ruan
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University (BTBU), Beijing 100048, China;
- State Key Laboratory of Food Science and Technology, Institute of Nutrition and School of Food Science, Nanchang University, Nanchang 330047, China; (L.Z.); (P.H.); (Y.Y.)
- Correspondence: ; Fax: +86-791-8827-2923
| | - Peiheng Han
- State Key Laboratory of Food Science and Technology, Institute of Nutrition and School of Food Science, Nanchang University, Nanchang 330047, China; (L.Z.); (P.H.); (Y.Y.)
| | - Yujuan Yu
- State Key Laboratory of Food Science and Technology, Institute of Nutrition and School of Food Science, Nanchang University, Nanchang 330047, China; (L.Z.); (P.H.); (Y.Y.)
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Zhou F, She W, He L, Zhu J, Gu L. The effect of anthocyanins supplementation on liver enzymes among patients with metabolic disorders: A systematic review and meta-analysis of randomized clinical trials. Phytother Res 2021; 36:53-61. [PMID: 34510592 DOI: 10.1002/ptr.7280] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 08/10/2021] [Accepted: 08/26/2021] [Indexed: 12/16/2022]
Abstract
The present study aims to summarize and quantitatively examine the available evidence on the effectiveness of anthocyanin supplementation on liver enzymes among patients with metabolic disorders, by employing a systematic review and meta-analytic approach. Online databases including PubMed/Medline, Scopus, ISI Web of Science, and Cochrane Library were searched up to June 2020 for randomized controlled trials (RCTs) that examined the effect of anthocyanin supplementation on serum levels of alanine aminotransferase (ALT) and aspartate aminotransferase (AST) among patients with metabolic disorders. To estimate the overall effect of anthocyanin supplementation, we employed the random-effects model. In total, 12 RCTs were included in the systematic review. Pooled analysis did not show any significant changes in ALT (WMD: -0.92 U/L, 95% CI: -4.19 to 2.35, p = .58; I2 = 91.3%) and AST (WMD: -1.22 U/L, 95% CI: -3.43 to 0.99, p = .28; I2 = 87.0) concentrations after supplementation with anthocyanin. The dose and duration of supplementation were the potential sources of heterogeneity among most of the trials. However, subgroup analysis showed that the effect is not statistically significant in all subgroups. Overall, in our study, anthocyanin does not have any effect on liver enzyme levels significantly. However, future high-quality studies are still needed to confirm the results.
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Affiliation(s)
- Fengling Zhou
- Pediatrics, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Wei She
- Clinical Laboratories, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Lin He
- Department of Pharmacy, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Jiuqun Zhu
- Department of Pharmacy, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Lu Gu
- Department of Radiation, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
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