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Jalili C, Pezeshki M, Askarpour M, Marx W, Hassani B, Hadi A, Ghaedi E. The effect of flaxseed supplementation on circulating adiponectin and leptin concentration in adults: A systematic review and meta‐analysis of randomized controlled trials. Phytother Res 2020; 34:1578-1586. [DOI: 10.1002/ptr.6634] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2019] [Revised: 12/28/2019] [Accepted: 01/14/2020] [Indexed: 11/05/2022]
Affiliation(s)
- Cyrus Jalili
- Medical Biology Research Center, Health Technology InstituteKermanshah University of Medical Sciences Kermanshah Iran
| | - Mehran Pezeshki
- Department of PharmacyTehran University of Medical Sciences Tehran Iran
| | - Moein Askarpour
- Department of Cellular and Molecular Nutrition, School of Nutritional Sciences and DieteticsTehran University of Medical Sciences Tehran Iran
| | - Wolfgang Marx
- Deakin University, iMPACT, School of Medicine Geelong Australia
| | - Bahar Hassani
- Department of NutritionAhvaz Jundishapur University of Medical Sciences Ahvaz Iran
- Department of Health Safety and Environment (HSE)Razi Petrochemical Company Mahshahr Iran
| | - Amir Hadi
- Halal Research Center of IRIFDA Tehran Iran
| | - Ehsan Ghaedi
- Department of Cellular and Molecular Nutrition, School of Nutritional Sciences and DieteticsTehran University of Medical Sciences Tehran Iran
- Students' Scientific Research Center (SSRC)Tehran University of Medical Sciences (TUMS) Tehran Iran
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Effect of flaxseed supplementation on lipid profile: An updated systematic review and dose-response meta-analysis of sixty-two randomized controlled trials. Pharmacol Res 2020; 152:104622. [DOI: 10.1016/j.phrs.2019.104622] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 12/20/2019] [Accepted: 12/27/2019] [Indexed: 02/06/2023]
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Askarpour M, Karimi M, Hadi A, Ghaedi E, Symonds ME, Miraghajani M, Javadian P. Effect of flaxseed supplementation on markers of inflammation and endothelial function: A systematic review and meta-analysis. Cytokine 2020; 126:154922. [DOI: 10.1016/j.cyto.2019.154922] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2019] [Revised: 11/07/2019] [Accepted: 11/08/2019] [Indexed: 02/08/2023]
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Flaxseed oil in the context of a weight loss programme ameliorates fatty liver grade in patients with non-alcoholic fatty liver disease: a randomised double-blind controlled trial. Br J Nutr 2020; 123:994-1002. [DOI: 10.1017/s0007114520000318] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
AbstractLong-chain n-3 fatty acids have been shown to regulate lipid metabolism and reduce fat accumulation in the liver. This trial investigated the effect of flaxseed oil, as a rich source of α-linolenic acid, on fatty liver and cardiometabolic risk factors in patients with non-alcoholic fatty liver disease (NAFLD). The randomised, double-blind, controlled trial was performed on sixty-eight NAFLD patients who were divided into flaxseed (n 34) and sunflower (n 34) oil groups. Patients were given a hypoenergetic diet (−2092 kJ/d) and 20 g/d of the corresponding oil for 12 weeks. Fatty liver grade, liver enzymes and cardiometabolic parameters were determined. The intention-to-treat approach was used for data analysis. Fatty liver grade significantly decreased in both groups (−0·68 in flaxseed v. −0·29 in sunflower, P = 0·002). Alanine aminotransferase and aspartate aminotransferase decreased in both groups (P < 0·01). Also, significant reduction was observed in blood glucose (P = 0·005) and fat mass (P = 0·01) in the flaxseed and muscle mass (P = 0·01) in the sunflower group. However, none of these alterations was significantly different between the groups. Weight, waist circumference and blood pressure were significantly decreased in both groups but only weight change was significantly different between the groups (P = 0·01). IL-6 did not significantly change in either group but showed a significant between-group difference (P = 0·03). Overall, the results showed that in the context of a low-energy diet and moderate physical activity, flaxseed oil may benefit NAFLD patients to improve fatty liver grade, weight and IL-6 compared with sunflower oil.
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Abstract
The effect of dietary fats on cardiometabolic diseases, including cardiovascular diseases and type 2 diabetes mellitus, has generated tremendous interest. Many earlier investigations focused on total fat and conventional fat classes (such as saturated and unsaturated fats) and their influence on a limited number of risk factors. However, dietary fats comprise heterogeneous molecules with diverse structures, and growing research in the past two decades supports correspondingly complex health effects of individual dietary fats. Moreover, health effects of dietary fats might be modified by additional factors, such as accompanying nutrients and food-processing methods, emphasizing the importance of the food sources. Accordingly, the rapidly increasing scientific findings on dietary fats and cardiometabolic diseases have generated debate among scientists, caused confusion for the general public and present challenges for translation into dietary advice and policies. This Review summarizes the evidence on the effects of different dietary fats and their food sources on cell function and on risk factors and clinical events of cardiometabolic diseases. The aim is not to provide an exhaustive review but rather to focus on the most important evidence from randomized controlled trials and prospective cohort studies and to highlight current areas of controversy and the most relevant future research directions for understanding how to improve the prevention and management of cardiometabolic diseases through optimization of dietary fat intake.
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Nguyen DH, Yun HM, Kim IH. Evaluating Impacts of Different Omega-6 to Omega-3 Fatty Acid Ratios in Corn-Soybean Meal-Based Diet on Growth Performance, Nutrient Digestibility, Blood Profiles, Fecal Microbial, and Gas Emission in Growing Pigs. Animals (Basel) 2019; 10:ani10010042. [PMID: 31878287 PMCID: PMC7022506 DOI: 10.3390/ani10010042] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Revised: 12/04/2019] [Accepted: 12/20/2019] [Indexed: 11/23/2022] Open
Abstract
Simple Summary There are two major classes of polyunsaturated fatty acids found in the diet, omega-3 and omega-6, these polyunsaturated fatty acids are essential because they cannot be synthesized by humans and animals. Also, they cannot be converted into each other in the body. Supplementation of omega-3 has been reported to improve the performance and health of pigs. However, during the past years, studies had demonstrated that animal performance could be influenced by the dietary level or the ratio of omega-6 and omega-3. A high omega-6: omega-3 ratio in diets promotes the pathogenesis of many diseases, including cardiovascular disease, cancer, and inflammatory and autoimmune diseases. An optimal omega-6: omega-3 ratio could inhibit immune stimulation to ensure the availability of more energy and nutrients for high performance and the homeostatic pathway. The present study investigated the effects of different omega-6: omega-3 ratios (17:1, 15:1, 10:1, 5:1) on growth performance, nutrient digestibility, blood profiles, fecal microflora, and gas emission in growing pigs. The results of this study showed that reducing omega-6: omega-3 ratio from 17:1 to 5:1 by increasing omega-3 in the diet increased body weight, energy digestibility, and reduced the low-density lipoprotein concentrations of blood in growing pigs. Abstract This study was conducted to evaluate the effect of different omega-6: omega-3 fatty acid (FA) ratios in a corn–soybean meal-based diet in growing pigs. A total of 140 [Duroc × (Landrace × Yorkshire)] growing pigs with an average body weight (BW) of 24.75 ± 1.43 kg were used in a 6-week trial. Pigs were allocated randomly into one of four treatments according to sex and BW (seven replications with five pigs per pen). The treatment groups consisted of 4 diets with omega-6:omega-3 FA ratios of 17:1, 15:1, 10:1, and 5:1. In the current study, the energy digestibility, BW, and average daily gain (ADG) increased (p < 0.05) in pigs provided with the 5:1 diet compared to pigs fed the 17:1 diet in the sixth week. The low-density lipoprotein (LDL) concentrations of blood were lower (p < 0.05) in pigs fed the 5:1 diet compared to the 17:1 and 15:1 diet. However, the fecal microflora and fecal gas emissions were unaffected (p > 0.05) by the different omega-6: omega-3 FA ratios in diets. In conclusion, reducing omega-6: omega-3 ratio by increasing omega-3 in diet improved BW, ADG, and gross energy digestibility, and reduced the LDL concentrations of blood in growing pigs.
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Affiliation(s)
| | | | - In Ho Kim
- Correspondence: ; Tel.: +82-41-550-3652; Fax: +82-41-559-7881
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Haghighatsiar N, Askari G, Saraf-Bank S, Feizi A, Keshmiri H. Effect of Flaxseed Powder on Cardiovascular Risk Factor in Dyslipidemic and Hypertensive Patients. Int J Prev Med 2019; 10:218. [PMID: 31929865 PMCID: PMC6941378 DOI: 10.4103/ijpvm.ijpvm_563_17] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2017] [Accepted: 02/17/2018] [Indexed: 01/27/2023] Open
Abstract
Background: Hyperlipidemia and hypertension are the most important causes of ischemic heart disease. There is evidence that flaxseed powder can improve lipid profile and blood pressure. In this study, we want to investigate the effects of flaxseed powder consumption on patients with hyperlipidemia and hypertension. Methods: This randomized double-blind placebo-controlled clinical trial was performed on 80 hyperlipidemic and hypertensive patients (men and women between 20 and 60 years old). In this study, participants were recruited from Imam Khomeini hospital clinics of Shiraz University of Medical Sciences in 2017 randomly allocated to flaxseed powder group and placebo group. The intervention group received 36 g of flaxseed sachet (n = 40), and control group received 12 g placebo sachet (n = 40) for 8 weeks. Serum lipid profiles, blood pressure, fasting blood sugar, and anthropometric indices were measured. Data were analyzed by using SPSS. Results: We found significant reduction (P < 0.001) in anthropometric indices (waist circumference and waist-to-hip ratio) and lipid profiles (triglycerides [P = 0.015], total cholesterol [P = 0.018], and low-density lipoprotein [P < 0.001]) within flaxseed group in comparison with placebo group. Conclusions: Based on beneficial effects of flaxseed on cardiovascular risk factors, it seems that flaxseed consumption can be considered as a useful therapeutic approach for reducing lipid profile and anthropometric indices.
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Affiliation(s)
- Naemeh Haghighatsiar
- Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Gholamreza Askari
- Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Sahar Saraf-Bank
- Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Avat Feizi
- Department of Epidemiology and Biostatistics, Isfahan Endocrine and Metabolism Research Center, School of Public Health, Isfahan University of Medical Sciences, Isfahan, Iran
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Rahimlou M, Jahromi NB, Hasanyani N, Ahmadi AR. Effects of Flaxseed Interventions on Circulating Inflammatory Biomarkers: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Adv Nutr 2019; 10:1108-1119. [PMID: 31115436 PMCID: PMC6855939 DOI: 10.1093/advances/nmz048] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 12/27/2018] [Accepted: 04/10/2019] [Indexed: 01/22/2023] Open
Abstract
There have been various clinical studies on the effect of flaxseed-derived products on circulating inflammatory biomarkers, but the findings from these are contradictory. The aim of the present study was to clarify any association. A comprehensive literature search was conducted from inception to May 2018. From the eligible trials, 32 articles describing studies conducted on adults aged 18-70 y were selected for the meta-analysis. Meta-analyses using the random-effects model were performed to investigate the data and results showed significant effects of flaxseed intake on circulating high-sensitivity CRP (hs-CRP) [weighted mean difference (WMD) = -0.75; 95% CI: -1.19, -0.30; P < 0.001] and TNFα (WMD = -0.38; 95% CI: -0.75,-0.01; P = 0.04). However, no significant changes were found in IL6 concentration (WMD = -0.24; 95% CI: -0.70, 0.21; P = 0.28) and C-reactive protein (CRP) (WMD = -0.34; 95% CI:-0.89, 0.20; P = 0.22). Moreover, by eliminating 1 of the studies from the sensitivity analysis, changes in IL6 concentration were significant (WMD = -0.44; 95% CI: -0.81, -0.08). The changes in inflammatory biomarkers were dependent on study design (parallel or crossover), supplement type (flaxseed, flaxseed oil, or lignan), study quality (high or low), and participants' age and BMI. According to this meta-analysis, flaxseed significantly reduced circulating concentrations of hs-CRP and TNFα, but did not affect IL6 and CRP. Further research is needed to examine the effect of different doses and long-term benefits of flaxseed and its derivatives on inflammatory factors.
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Affiliation(s)
- Mehran Rahimlou
- Department of Nutrition, School of Para-Medical Sciences, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Student Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Nasrin Banaie Jahromi
- Department of Nutrition, School of Para-Medical Sciences, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Student Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Nazila Hasanyani
- Emam Reza Hospital affiliated with Social Security Organization, Urmia, Iran
| | - Amirhossein Ramezani Ahmadi
- Department of Nutrition, School of Para-Medical Sciences, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Nutrition and Metabolic Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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Hasaniani N, Rahimlou M, Ramezani Ahmadi A, Mehdizadeh Khalifani A, Alizadeh M. The Effect of Flaxseed Enriched Yogurt on the Glycemic Status and Cardiovascular Risk Factors in Patients with Type 2 Diabetes Mellitus: Randomized, Open-labeled, Controlled Study. Clin Nutr Res 2019; 8:284-295. [PMID: 31720254 PMCID: PMC6826058 DOI: 10.7762/cnr.2019.8.4.284] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 07/22/2019] [Accepted: 08/05/2019] [Indexed: 12/11/2022] Open
Abstract
Flaxseed is one of the rich sources of α-linolenic acid and lignan. Flaxseed and its components have antioxidant, hypolipidemic and hypoglycemic effects. The study aimed to investigate the effect of flaxseed enriched yogurt on glycemic control, lipid profiles and blood pressure in patients with type 2 diabetes. A randomized, open-labeled, controlled clinical trial was conducted on 57 patients with type 2 diabetes. Participants were assigned to receive 200 g 2.5% fat yogurt containing 30-g flaxseed or plain yogurt daily for 8 weeks. Anthropometrics and biochemical parameters were evaluated at the beginning and end of the study. After 8 weeks of supplementation, Hemoglobin A1c was significantly decreased in the intervention group compared to control (p = 0.007). Also, at the end of the study, significant differences were seen between the flaxseed enriched yogurt and control groups in triglycerides and total cholesterol concentrations (p = 0.04 and p = 0.01), systolic blood pressure and diastolic blood pressure (p = 0.02 and p = 0.002, respectively). However, we did not find any difference between 2 groups in low-density lipoprotein, high-density lipoprotein, body weight and waist circumference (p > 0.05). Our results showed that the addition of flaxseed to yogurt can be effective in the management of type 2 diabetes. Trial Registration ClinicalTrials.gov Identifier: NCT02436369.
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Affiliation(s)
- Nazila Hasaniani
- Student Research Committee, Department of Nutrition, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran
| | - Mehran Rahimlou
- Department of Nutrition, School of Para-Medical Sciences, Ahvaz Jundishapur University of Medical Science, Ahvaz, Iran
| | - Amirhossein Ramezani Ahmadi
- Department of Nutrition, School of Para-Medical Sciences, Ahvaz Jundishapur University of Medical Science, Ahvaz, Iran
| | - Alireza Mehdizadeh Khalifani
- Department of Internal and Endocrine Diseases, Imam Khomeini Hospital, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran
| | - Mohammad Alizadeh
- Department of Nutrition, Food and Beverages Safety Research Center, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran
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No Author. Chapitre 9 : Médecine complémentaire et parallèle. JOURNAL OF OBSTETRICS AND GYNAECOLOGY CANADA 2019; 41 Suppl 1:S122-S129. [DOI: 10.1016/j.jogc.2019.02.148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Eriksen AK, Kyrø C, Nørskov NP, Frederiksen K, Bach Knudsen KE, Overvad K, Landberg R, Tjønneland A, Olsen A. Pre-diagnostic plasma enterolactone concentrations are associated with lower mortality among individuals with type 2 diabetes: a case-cohort study in the Danish Diet, Cancer and Health cohort. Diabetologia 2019; 62:959-969. [PMID: 30963187 PMCID: PMC6509069 DOI: 10.1007/s00125-019-4854-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Accepted: 02/27/2019] [Indexed: 01/18/2023]
Abstract
AIMS/HYPOTHESIS The phytoestrogen enterolactone is a gut microbiota-derived metabolite of plant lignans with suggested beneficial properties for health. In the current study, we investigated the association between pre-diagnostic plasma enterolactone concentrations and mortality among individuals diagnosed with type 2 diabetes. METHODS In a population of people diagnosed with diabetes, nested within the Danish Diet, Cancer and Health cohort, we conducted a case-cohort study including a random sample of n = 450 cases (deceased) and a randomly selected subcohort of n = 850 (in total n = 617 deaths). Information on diagnosis, vital status and cause of death was obtained from Danish registers. Cox proportional hazard models with special weighting were applied to assess all-cause and cause-specific mortality. RESULTS The median enterolactone concentration of the current population was low, 10.9 nmol/l (5th percentile to 95th percentile: 1.3-59.6), compared with previously reported concentrations from the Diet, Cancer and Health cohort. Pre-diagnostic enterolactone concentrations were associated with lower all-cause mortality when assessed linearly per doubling in concentration (log2) (HR 0.91 [95% CI 0.85, 0.96]) and according to quartiles (HR 0.63 [95% CI 0.48, 0.84]) for the highest quartile of enterolactone compared with the lowest quartile. For cause-specific mortality, only death from diabetes (registered as underlying cause of death) reached statistical significance. CONCLUSIONS/INTERPRETATION Based on this large cohort of people with diabetes with detailed and complete baseline and follow-up information, pre-diagnostic enterolactone concentrations were inversely associated with mortality. To our knowledge, this is the first study on enterolactone and type 2 diabetes mortality. Our findings call for further exploration of enterolactone in type 2 diabetes management.
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Affiliation(s)
- Anne K Eriksen
- Unit of Diet, Genes and Environment, Danish Cancer Society Research Center, Strandboulevarden 49, 2100, Copenhagen, Denmark.
| | - Cecilie Kyrø
- Unit of Diet, Genes and Environment, Danish Cancer Society Research Center, Strandboulevarden 49, 2100, Copenhagen, Denmark
| | | | - Kirsten Frederiksen
- Unit of Statistics and Pharmacoepidemiology, Danish Cancer Society Research Center, Copenhagen, Denmark
| | | | - Kim Overvad
- Department of Public Health, Section for Epidemiology, Aarhus University, Aarhus C, Denmark
| | - Rikard Landberg
- Department of Biology and Biological Engineering, Chalmers University of Technology, 412 96, Gothenburg, Sweden.
| | - Anne Tjønneland
- Unit of Diet, Genes and Environment, Danish Cancer Society Research Center, Strandboulevarden 49, 2100, Copenhagen, Denmark
- Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Anja Olsen
- Unit of Diet, Genes and Environment, Danish Cancer Society Research Center, Strandboulevarden 49, 2100, Copenhagen, Denmark
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Lorzadeh E, Ramezani-Jolfaie N, Mohammadi M, Khoshbakht Y, Salehi-Abargouei A. The effect of hesperidin supplementation on inflammatory markers in human adults: A systematic review and meta-analysis of randomized controlled clinical trials. Chem Biol Interact 2019; 307:8-15. [PMID: 30991044 DOI: 10.1016/j.cbi.2019.04.016] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Revised: 03/30/2019] [Accepted: 04/12/2019] [Indexed: 02/05/2023]
Abstract
BACKGROUND Hesperidin (a flavanone found in citrus fruits) supplementation is suggested to inversely affect inflammation; however, clinical trials have led to inconsistent results. OBJECTIVE To examine the effect of hesperidin supplementation on inflammatory markers using systematic review and meta-analysis of randomized controlled clinical trials (RCTs). PATIENT AND METHODS Online databases including PubMed, Scopus, ISI Web of Science, and Google Scholar were searched up to December 2018. A random-effects model was used to compare the mean changes in the inflammatory markers between hesperidin supplemented and control subjects. RESULTS Six eligible RCTs with 296 participants were included in the systematic review. The meta-analysis revealed that hesperidin significantly reduces Vascular Cell Adhesion Molecule 1 (VCAM-1) levels [weighted mean difference (WMD) = -22.81 ng/L, P = 0.041, n = 3]. No considerable changes was observed for serum C-reactive protein (CRP) levels (WMD = -0.69 mg/L, P = 0.079, n = 5); the subgroup analysis showed a significant reduction in studies with a parallel design (WMD = -0.72 mg/L, P = 0.024, n = 3), and studies with more than 4 weeks of follow-up (WMD = -0.76 mg/L, P = 0.020, n = 2). Hesperidin supplementation had no signification effect on circulating E-selectin, interleukin 6, and Intercellular Adhesion Molecule 1 (ICAM-1) levels. CONCLUSION The present study suggests that although hesperidin supplementation significantly improves VCAM-1 levels; however, other inflammatory markers might not be affected. Further high-quality systematic reviews exploring the effect of hesperidin particularly on VCAM-1, ICAM-1, E-selectin, and interleukin 6 are still needed to confirm these results.
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Affiliation(s)
- Elnaz Lorzadeh
- Nutrition and Food Security Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran; Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Nahid Ramezani-Jolfaie
- Nutrition and Food Security Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran; Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Mohammad Mohammadi
- Nutrition and Food Security Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran; Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Yadollah Khoshbakht
- Nutrition and Food Security Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran; Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Amin Salehi-Abargouei
- Nutrition and Food Security Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran; Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
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Abbaspour B, Sharifi SD, Ghazanfari S, Honarbakhsh S, Mohammadi-Sangcheshmeh A. The effect of l-arginine and flaxseed on plasma testosterone concentration, semen quality and some testicular histology parameters in old broiler breeder roosters. Theriogenology 2019; 128:101-109. [DOI: 10.1016/j.theriogenology.2019.01.034] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 11/24/2018] [Accepted: 01/31/2019] [Indexed: 11/16/2022]
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Effect of flaxseed or psyllium vs. placebo on management of constipation, weight, glycemia, and lipids: A randomized trial in constipated patients with type 2 diabetes. Clin Nutr ESPEN 2019; 29:41-48. [DOI: 10.1016/j.clnesp.2018.11.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Accepted: 11/02/2018] [Indexed: 02/05/2023]
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65
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Upadhaya SD, Yang J, Lee KY, Kim IH. Effects of changing omega-6 to omega-3 fatty acid ratios in corn–soybean meal-based diet on performance, serum lipid profile and colostrum and milk composition of sows and performance of piglets. ANIMAL PRODUCTION SCIENCE 2019. [DOI: 10.1071/an17090] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
This study aimed to test the effects of changing omega-6 to omega-3 fatty acid (FA) ratios in corn–soybean meal-based diet on performance, serum lipid profile and colostrum and milk nutrient contents of lactating sows as well as performance of suckling piglets. In total, 32 multiparous sows (Landrace × Yorkshire) were randomly allocated into one of four dietary treatments with eight replicates per treatment. The treatment diets were fed 7 days before farrowing until weaning. The omega-3 FA used in the experiment was from linseed oil and was coated using a spray-drying method. The dietary treatments consisted of control (CON, corn–soybean meal-based basal diet with omega-6:omega-3 FA ratios of 25:1), and basal diets (CON) containing omega-6: omega-3 FA ratios at 20:1, 15:1 and 10:1 levels. Inclusion of omega-6 and omega-3 FA at different ratios in the feed did not affect (P > 0.05) the performance, nutrient digestibility and milk nutrient composition of sows. The concentrations of high-density lipid cholesterol (HDL-C) increased (P < 0.05) and the low-density lipid cholesterol (LDL-C) tended to be reduced (P = 0.08) at weaning for sows fed 10:1 omega 6:omega-3 ratio diet. The bodyweights (BW) and average daily gains (ADG) of piglets born from sows fed 10:1 omega-6:omega-3 FA diet were greater (P < 0.05) at Week 3 and overall respectively. The BW of piglets raised from sows fed all treatment diets were heavier (P < 0.05) at Week 4 (weaning) than those in the CON. Positive correlations between dietary omega-6:omega-3 FA ratio and serum HDL-C concentrations and a negative correlations between dietary omega-6:omega-3 FA ratio and serum LDL-C concentrations for sows at weaning were observed. In addition, a positive correlation between omega-6:omega-3 FA in the diet and ADG in piglets was also observed. In conclusion, inclusion of omega-6:omega-3 FA at different ratios in different proportions did not affect sow performance, while increasing HDL-C and tending to reduce LDL-C in serum lipids. However, the piglets born to sows fed 10:1 diets benefitted, with increased BW and ADG.
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Berendsen AAM, van de Rest O, Feskens EJM, Santoro A, Ostan R, Pietruszka B, Brzozowska A, Stelmaszczyk-Kusz A, Jennings A, Gillings R, Cassidy A, Caille A, Caumon E, Malpuech-Brugere C, Franceschi C, de Groot LCPGM. Changes in Dietary Intake and Adherence to the NU-AGE Diet Following a One-Year Dietary Intervention among European Older Adults-Results of the NU-AGE Randomized Trial. Nutrients 2018; 10:E1905. [PMID: 30518044 PMCID: PMC6315357 DOI: 10.3390/nu10121905] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 11/27/2018] [Accepted: 11/28/2018] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND The Mediterranean Diet has been proposed as an effective strategy to reduce inflammaging, a chronic low grade inflammatory status, and thus, to slow down the aging process. We evaluated whether a Mediterranean-like dietary pattern specifically targeting dietary recommendations of people aged over 65 years (NU-AGE diet) could be effective to shift dietary intake of older adults towards a healthful diet. METHODS Adults aged 65⁻80 years across five EU-centers were randomly assigned to a NU-AGE diet group or control group. The diet group followed one year of NU-AGE dietary intervention specifying consumption of 15 food groups plus the use of a vitamin D supplement. Participants in the diet group received counselling and individually tailored dietary advice, food products and a vitamin D supplement. Dietary intake was assessed by means of seven-day food records at baseline and one-year follow-up. A continuous NU-AGE index (0⁻160 points) was developed to assess NU-AGE diet adherence. RESULTS In total 1296 participants were randomized and 1141 participants completed the intervention (571 intervention, 570 control). After one year, the diet group improved mean intake of 13 out of 16 NU-AGE dietary components (p < 0.05), with a significant increase in total NU-AGE index (difference in mean change = 21.3 ± 15.9 points, p < 0.01). CONCLUSIONS The NU-AGE dietary intervention, based on dietary recommendations for older adults, consisting of individual dietary counselling, free healthy foods and a vitamin D supplement, may be a feasible strategy to improve dietary intake in an aging European population.
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Affiliation(s)
- Agnes A M Berendsen
- Division of Human Nutrition, Wageningen University & Research, Wageningen, P.O. Box 17, 6700 AA Wageningen, The Netherlands.
| | - Ondine van de Rest
- Division of Human Nutrition, Wageningen University & Research, Wageningen, P.O. Box 17, 6700 AA Wageningen, The Netherlands.
| | - Edith J M Feskens
- Division of Human Nutrition, Wageningen University & Research, Wageningen, P.O. Box 17, 6700 AA Wageningen, The Netherlands.
| | - Aurelia Santoro
- Department of Experimental, Diagnostic and Specialty Medicine, Alma Mater Studiorum, University of Bologna, Via San Giacomo, 12, 40126 Bologna, Italy.
- C.I.G. Interdepartmental Center "L. Galvani", Alma Mater Studiorum, University of Bologna, Via G. Petroni 26, 40126 Bologna, Italy.
| | - Rita Ostan
- C.I.G. Interdepartmental Center "L. Galvani", Alma Mater Studiorum, University of Bologna, Via G. Petroni 26, 40126 Bologna, Italy.
| | - Barbara Pietruszka
- Department of Human Nutrition, Warsaw University of Life Sciences (WULS-SGGW), Nowoursynowska 159 C, 02-776 Warsaw, Poland.
| | - Anna Brzozowska
- Department of Human Nutrition, Warsaw University of Life Sciences (WULS-SGGW), Nowoursynowska 159 C, 02-776 Warsaw, Poland.
| | - Agnieszka Stelmaszczyk-Kusz
- Department of Human Nutrition, Warsaw University of Life Sciences (WULS-SGGW), Nowoursynowska 159 C, 02-776 Warsaw, Poland.
| | - Amy Jennings
- Department of Nutrition & Preventive Medicine, Norwich Medical School, University of East Anglia, Norwich Research Park, Norwich, Norfolk NR4 7TJ, UK.
| | - Rachel Gillings
- Department of Nutrition & Preventive Medicine, Norwich Medical School, University of East Anglia, Norwich Research Park, Norwich, Norfolk NR4 7TJ, UK.
| | - Aedin Cassidy
- Department of Nutrition & Preventive Medicine, Norwich Medical School, University of East Anglia, Norwich Research Park, Norwich, Norfolk NR4 7TJ, UK.
| | - Aurélie Caille
- CHU Clermont Ferrand, CRNH Auvergne, F-63000 Clermont-Ferrand, France.
| | - Elodie Caumon
- CHU Clermont Ferrand, CRNH Auvergne, F-63000 Clermont-Ferrand, France.
| | - Corinne Malpuech-Brugere
- Université Clermont Auvergne, INRA, UNH, Unité de Nutrition Humaine, CRNH Auvergne, F-63000 Clermont-Ferrand, France.
| | - Claudio Franceschi
- Department of Experimental, Diagnostic and Specialty Medicine, Alma Mater Studiorum, University of Bologna, Via San Giacomo, 12, 40126 Bologna, Italy.
- C.I.G. Interdepartmental Center "L. Galvani", Alma Mater Studiorum, University of Bologna, Via G. Petroni 26, 40126 Bologna, Italy.
- Institute of Neurological Sciences (IRCCS), Via Altura, 3, 40139 Bologna, Italy.
| | - Lisette C P G M de Groot
- Division of Human Nutrition, Wageningen University & Research, Wageningen, P.O. Box 17, 6700 AA Wageningen, The Netherlands.
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van den Driessche JJ, Plat J, Mensink RP. Effects of superfoods on risk factors of metabolic syndrome: a systematic review of human intervention trials. Food Funct 2018; 9:1944-1966. [PMID: 29557436 DOI: 10.1039/c7fo01792h] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Functional foods can be effective in the prevention of metabolic syndrome and subsequently the onset of cardiovascular diseases and type II diabetes mellitus. More recently, however, another term was introduced to describe foods with additional health benefits: "superfoods", for which, to date, no generally accepted definition exists. Nonetheless, their consumption might contribute to the prevention of metabolic syndrome, for example due to the presence of potentially bioactive compounds. This review provides an overview of controlled human intervention studies with foods described as "superfoods" and their effects on metabolic syndrome parameters. First, an Internet search was performed to identify foods described as superfoods. For these superfoods, controlled human intervention trials were identified until April 2017 investigating the effects of superfood consumption on metabolic syndrome parameters: waist circumference or BMI, blood pressure, or concentrations of HDL cholesterol, triacylglycerol or glucose. Seventeen superfoods were identified, including a total of 113 intervention trials: blueberries (8 studies), cranberries (8), goji berries (3), strawberries (7), chili peppers (3), garlic (21), ginger (10), chia seed (5), flaxseed (22), quinoa (1), cocoa (16), maca (1), spirulina (7), wheatgrass (1), acai berries (0), hemp seed (0) and bee pollen (0). Overall, only limited evidence was found for the effects of the foods described as superfoods on metabolic syndrome parameters, since results were not consistent or the number of controlled intervention trials was limited. The inconsistencies might have been related to intervention-related factors, such as duration or dose. Furthermore, conclusions may be different if other health benefits are considered.
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Affiliation(s)
- José J van den Driessche
- Department of Nutrition and Movement Sciences, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Center+ (MUMC+), Maastricht, The Netherlands.
| | - Jogchum Plat
- Department of Nutrition and Movement Sciences, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Center+ (MUMC+), Maastricht, The Netherlands.
| | - Ronald P Mensink
- Department of Nutrition and Movement Sciences, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Center+ (MUMC+), Maastricht, The Netherlands.
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Schwingshackl L, Bogensberger B, Benčič A, Knüppel S, Boeing H, Hoffmann G. Effects of oils and solid fats on blood lipids: a systematic review and network meta-analysis. J Lipid Res 2018; 59:1771-1782. [PMID: 30006369 PMCID: PMC6121943 DOI: 10.1194/jlr.p085522] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 07/09/2018] [Indexed: 12/11/2022] Open
Abstract
The aim of this network meta-analysis (NMA) is to compare the effects of different oils/solid fats on blood lipids. Literature searches were performed until March 2018. Inclusion criteria were as follows: i) randomized trial (≥3 weeks study length) comparing at least two of the following oils/solid fats: safflower, sunflower, rapeseed, hempseed, flaxseed, corn, olive, soybean, palm, and coconut oil, and lard, beef-fat, and butter; ii) outcomes LDL-cholesterol (LDL-C), total cholesterol (TC), HDL-cholesterol (HDL-C), and triacylglycerols (TGs). A random dose-response (per 10% isocaloric exchange) NMA was performed and surface under the cumulative ranking curve (SUCRA) was estimated. Fifty-four trials were included in the NMA. Safflower oil had the highest SUCRA value for LDL-C (82%) and TC (90%), followed by rapeseed oil (76% for LDL-C, 85% for TC); whereas, palm oil (74%) had the highest SUCRA value for TG, and coconut oil (88%) for HDL-C. Safflower, sunflower, rapeseed, flaxseed, corn, olive, soybean, palm, and coconut oil as well beef fat were more effective in reducing LDL-C (−0.42 to −0.23 mmol/l) as compared with butter. Despite limitations in these data, our NMA findings are in line with existing evidence on the metabolic effects of fat and support current recommendations to replace high saturated-fat food with unsaturated oils.
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Affiliation(s)
- Lukas Schwingshackl
- Department of Epidemiology, German Institute of Human Nutrition Potsdam-Rehbruecke (DIfE), 14558 Nuthetal, Germany; NutriAct-Competence Cluster Nutrition Research Berlin-Potsdam, Germany.
| | - Berit Bogensberger
- Department of Nutritional Sciences, University of Vienna, 1090 Vienna, Austria
| | - Aleksander Benčič
- Department of Epidemiology, German Institute of Human Nutrition Potsdam-Rehbruecke (DIfE), 14558 Nuthetal, Germany
| | - Sven Knüppel
- Department of Epidemiology, German Institute of Human Nutrition Potsdam-Rehbruecke (DIfE), 14558 Nuthetal, Germany
| | - Heiner Boeing
- Department of Epidemiology, German Institute of Human Nutrition Potsdam-Rehbruecke (DIfE), 14558 Nuthetal, Germany
| | - Georg Hoffmann
- Department of Nutritional Sciences, University of Vienna, 1090 Vienna, Austria
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Soltanian N, Janghorbani M. A randomized trial of the effects of flaxseed to manage constipation, weight, glycemia, and lipids in constipated patients with type 2 diabetes. Nutr Metab (Lond) 2018; 15:36. [PMID: 29760761 PMCID: PMC5944250 DOI: 10.1186/s12986-018-0273-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Accepted: 04/30/2018] [Indexed: 12/23/2022] Open
Abstract
Background To compare the effects of baked flaxseed versus those who received a placebo on constipation symptom scores, weight, glycemic and lipid control in constipated patients with type 2 diabetes (T2D). Methods In a single-blinded, randomized controlled trial, 53 constipated patients with T2D with body mass index (BMI) 20.5-48.9 kg/m2 received either 10 g of flaxseed pre-mixed in cookies twice per day or placebo cookies for 12 weeks. The constipation symptom scores, BMI, fasting plasma glucose (FPG), glycosylated hemoglobin (HbA1c), and lipid profile were determined at the beginning and end of 4, 8, and 12-week period. Constipation was evaluated with a stool diary (ROME III). Results After the 12-week intervention, constipation symptom scores (2.46), weight (- 3.8 kg), BMI (- 1.5 kg/m2), FPG (- 26.7 mg/dl), cholesterol (- 37.3 mg/dl), triglycerides (- 10.4 mg/dl), LDLC (- 21.0 mg/dl), HDLC (4.7 mg/dl), cholesterol/ HDLC ratio (- 1.4 mg/dl) significantly decreased from baseline in the flaxseed group (all P-values < 0.05). The differences of absolute change of constipation symptom scores (2.46 vs. 0.41), weight (- 3.8 vs. 0.0 kg), BMI (- 1.5 vs.-0.1 kg/m2), FPG (- 26.7 vs.-1.9 mg/dl), >HbA1c (- 0.8 vs. 1.0%), cholesterol (- 37.3 vs. -10.4 mg/dl), LDLC (- 21.0 vs. -4.3 mg/dl), and HDLC (4.7 vs. -4.4 mg/dl) between the flaxseed and placebo groups were statistically significant (all P-values < 0.05). The compliance was good and no adverse effects were observed. Conclusion In constipated patients with T2D, flaxseed cookies used as a snack may be a useful tool for decreasing constipation symptoms, weight, glycemic and lipid levels. Trial registration irct.ir: IRCT20110416006202N2.
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Affiliation(s)
- Noureddin Soltanian
- Isfahan Endocrine and Metabolism Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohsen Janghorbani
- Isfahan Endocrine and Metabolism Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
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Parikh M, Netticadan T, Pierce GN. Flaxseed: its bioactive components and their cardiovascular benefits. Am J Physiol Heart Circ Physiol 2018; 314:H146-H159. [DOI: 10.1152/ajpheart.00400.2017] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Cardiovascular disease remains the leading cause of mortality and morbidity worldwide. The inclusion of functional foods and natural health products in the diet are gaining increasing recognition as integral components of lifestyle changes in the fight against cardiovascular disease. Several preclinical and clinical studies have shown the beneficial cardiovascular effects of dietary supplementation with flaxseed. The cardiovascular effects of dietary flaxseed have included an antihypertensive action, antiatherogenic effects, a lowering of cholesterol, an anti-inflammatory action, and an inhibition of arrhythmias. Its enrichment in the ω-3 fatty acid α-linolenic acid and the antioxidant lignan secoisolariciresinol diglucoside as well as its high fiber content have been implicated primarily in these beneficial cardiovascular actions. Although not as well recognized, flaxseed is also composed of other potential bioactive compounds such as proteins, cyclolinopeptides, and cyanogenic glycosides, which may also produce biological actions. These compounds could also be responsible for the cardiovascular effects of flaxseed. This article will not only summarize the cardiovascular effects of dietary supplementation with flaxseed but also review its bioactive compounds in terms of their properties, biological effects, and proposed mechanisms of action. It will also discuss promising research directions for the future to identify additional health-related benefits of dietary flaxseed.
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Affiliation(s)
- Mihir Parikh
- Department of Physiology and Pathophysiology, Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
- Canadian Centre for Agri-food Research in Health and Medicine, Winnipeg, Manitoba, Canada
- Institute of Cardiovascular Sciences, St. Boniface Hospital, Albrechtsen Research Centre, Winnipeg, Manitoba, Canada
| | - Thomas Netticadan
- Agriculture and Agri-food Canada, Winnipeg, Manitoba, Canada
- Canadian Centre for Agri-food Research in Health and Medicine, Winnipeg, Manitoba, Canada
| | - Grant N. Pierce
- Department of Physiology and Pathophysiology, Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
- Canadian Centre for Agri-food Research in Health and Medicine, Winnipeg, Manitoba, Canada
- Institute of Cardiovascular Sciences, St. Boniface Hospital, Albrechtsen Research Centre, Winnipeg, Manitoba, Canada
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Bagherniya M, Nobili V, Blesso CN, Sahebkar A. Medicinal plants and bioactive natural compounds in the treatment of non-alcoholic fatty liver disease: A clinical review. Pharmacol Res 2017; 130:213-240. [PMID: 29287685 DOI: 10.1016/j.phrs.2017.12.020] [Citation(s) in RCA: 161] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Revised: 11/29/2017] [Accepted: 12/20/2017] [Indexed: 01/14/2023]
Abstract
Non-alcoholic fatty liver disease (NAFLD) is a major cause of liver diseases, and is closely related to metabolic syndrome and its related conditions, diabetes mellitus and dyslipidemia. On the other hand, NAFLD as a multisystem disease increases the risk of several chronic diseases include type 2 diabetes mellitus, cardiovascular disease (CVD), and chronic kidney disease. The main objective was to review the efficacy of bioactive natural compounds assessed by clinical trials. Search literature using four databases (PubMed, EBSCO, Web of Science, and Ovid Medline) to review publications that focused on the impact of bioactive natural compounds in NAFLD treatment. Due to the lack of effective pharmacological treatments available for NAFLD, lifestyle modifications such as following a healthy diet, vigorous physical activity, and weight reduction remain the first line of treatment for NAFLD. However, due to the poor adherence to this type of treatment, especially for long-term weight loss diets some of which may have harmful effects on the liver, finding novel therapeutic agents for NAFLD treatment and/or preventing NAFLD progression has garnered significant interest. Although the therapeutic agents of NAFLD treatment have been reviewed previously, to date, no summary has been conducted of clinical trials examining the effects of herbal compounds on NAFLD-related biomarkers. This review highlights the beneficial role of herbal bioactives and medicinal plants in NAFLD treatment, particularly as complementary to a healthy lifestyle. All natural products described in this review seem to have some benefits to improve oxidative stress, cellular inflammation and insulin-resistance, which always remain as the "primum movens" of NAFLD pathogenesis.
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Affiliation(s)
- Mohammad Bagherniya
- Student Research Committee, Department of Nutrition, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Valerio Nobili
- Hepato-Metabolic Disease Unit, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Christopher N Blesso
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT, United States
| | - Amirhossein Sahebkar
- Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad 9177948564, Iran; School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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Flaxseed supplementation on glucose control and insulin sensitivity: a systematic review and meta-analysis of 25 randomized, placebo-controlled trials. Nutr Rev 2017; 76:125-139. [DOI: 10.1093/nutrit/nux052] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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Ward N, Sahebkar A, Banach M, Watts G. Recent perspectives on the role of nutraceuticals as cholesterol-lowering agents. Curr Opin Lipidol 2017; 28:495-501. [PMID: 28858885 DOI: 10.1097/mol.0000000000000455] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
PURPOSE OF REVIEW Reduction in circulating cholesterol is an important step in lowering cardiovascular risk. Although statins are the most frequently prescribed cholesterol-lowering medication, there remains a significant portion of patients who require alternative treatment options. Nutraceuticals are increasingly popular as cholesterol-lowering agents. Despite the lack of long-term trials evaluating their use on cardiovascular endpoints and mortality, several studies have demonstrated their potential cholesterol-lowering effects. The purpose of this review is to provide an update on the role of nutraceuticals as cholesterol-lowering agents. The present review will focus on individual nutraceutical compounds, which have shown modest cholesterol-lowering abilities, as well as combination nutraceuticals, which may offer potential additive and/or synergistic effects. RECENT FINDINGS Berberine, red yeast rice, and plant sterols have moderate potential as cholesterol-lowering agents. Combination nutraceuticals, including the proprietary formulation, Armolipid Plus, appear to confer additional benefit on plasma lipid profiles, even when taken with statins and other agents. SUMMARY Although robust, long-term clinical trials to examine the effects of nutraceuticals on clinical outcomes are still required, their cholesterol-lowering ability, together with their reported tolerance and safety, offer a pragmatic option for lowering plasma cholesterol levels.
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Affiliation(s)
- Natalie Ward
- aSchool of Biomedical Sciences & Curtin Health Innovation Research Institute, Curtin University bSchool of Medicine, Faculty of Health and Medical Sciences, University of Western Australia, Perth, Australia cBiotechnology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran dDepartment of Hypertension, WAM University Hospital in Lodz, Medical University of Lodz ePolish Mother's Memorial Hospital Research Institute (PMMHRI), Lodz, Poland fLipid Disorders Clinic, Department of Cardiology, Royal Perth Hospital, Perth, Australia
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Cicero AF, Colletti A. Food and plant bioactives for reducing cardiometabolic disease: How does the evidence stack up? Trends Food Sci Technol 2017. [DOI: 10.1016/j.tifs.2017.04.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Duffy GF, Shupe ES, Kuczmarski MF, Zonderman AB, Evans MK. Motivations for Botanical Use by Socioeconomically Diverse, Urban Adults: Does Evidence Support Motivation? J Altern Complement Med 2017; 23:812-818. [PMID: 28437143 PMCID: PMC5655417 DOI: 10.1089/acm.2016.0224] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
OBJECTIVE The study objectives were to characterize botanical dietary supplement (BDS) use and to compare the motivations for botanical supplement (BS) use to the efficacy of the botanical in a socioeconomically and racially diverse urban adult population. METHODS Subjects were from the Healthy Aging in Neighborhoods of Diversity across the Life Span (HANDLS) study, a 20-year prospective health disparities study with African American and white adults from Baltimore, Maryland. All study participants completed two dietary recalls and a dietary supplement (DS) questionnaire in Wave 3 (n = 2140). Diet quality was evaluated by the Healthy Eating Index-2010 and the Mean Adequacy Ratio for 17 micronutrients. A comparison of reported motivations to efficacy reported in the literature of single BS was conducted. RESULTS Approximately 50% (1062/2140) of participants took DS. Of these, 8% (n = 178) reported taking either BS or BDS. It was found that BDS users had better diet quality than DS users as well as nonusers of DS. The top three motivations for BDS users were to improve overall health, to maintain health, and to supplement the diet. There is limited evidence for the efficacy of most BS. Review of the efficacy of the 15 BS reported by ≥5% of the study population revealed beneficial health roles for only fiber, gingko biloba extract EGb 761, and hawthorn berry. CONCLUSION To the authors' knowledge, this study is the first to report a better quality diet with BDS use for a racially diverse urban population. Yet, improvement in diet is needed because overall quality did not achieve current recommendations. To improve overall health, it may be beneficial for this population to focus on dietary modifications to reduce the risks associated with chronic diseases. In general, the reported motivations for BS use were not supported by clinical evidence.
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Affiliation(s)
- Grace F. Duffy
- Department of Behavioral Health and Nutrition, University of Delaware, Newark, DE
| | - Emily Stave Shupe
- Department of Behavioral Health and Nutrition, University of Delaware, Newark, DE
| | | | - Alan B. Zonderman
- Laboratory of Epidemiology and Population Sciences, National Institute on Aging, National Institutes of Health, Baltimore, MD
| | - Michele K. Evans
- Laboratory of Epidemiology and Population Sciences, National Institute on Aging, National Institutes of Health, Baltimore, MD
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Di Y, Jones J, Mansell K, Whiting S, Fowler S, Thorpe L, Billinsky J, Viveky N, Cheng PC, Almousa A, Hadjistavropoulos T, Alcorn J. Influence of Flaxseed Lignan Supplementation to Older Adults on Biochemical and Functional Outcome Measures of Inflammation. J Am Coll Nutr 2017; 36:646-653. [DOI: 10.1080/07315724.2017.1342213] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Yunyun Di
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Jennifer Jones
- Division of Gastroenterology, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Kerry Mansell
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Susan Whiting
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Sharyle Fowler
- Division of Gastroenterology, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Lilian Thorpe
- Community Health and Epidemiology, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Jennifer Billinsky
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Navita Viveky
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Pui Chi Cheng
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Ahmed Almousa
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | | | - Jane Alcorn
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
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Mohammadi-Sartang M, Mazloom Z, Raeisi-Dehkordi H, Barati-Boldaji R, Bellissimo N, Totosy de Zepetnek JO. The effect of flaxseed supplementation on body weight and body composition: a systematic review and meta-analysis of 45 randomized placebo-controlled trials. Obes Rev 2017. [PMID: 28635182 DOI: 10.1111/obr.12550] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Flaxseed consumption may be inversely associated with obesity; however, findings of available randomized controlled trials (RCTs) are conflicting. The present study aimed to systematically review and analyse RCTs assessing the effects of flaxseed consumption on body weight and body composition. PubMed, Medline via Ovid, SCOPUS, EMBASE and ISI Web of Sciences databases were searched up to November 2016. Mean changes in body composition indices including body weight, body mass index (BMI) and waist circumference were extracted. Effect sizes were expressed as weighted mean difference (WMD) and 95% confidence intervals (CI). Heterogeneity between studies was assessed with the I2 test. Publication bias and subgroup analyses were also performed. The quality of articles was assessed via the Jadad scale. A total of 45 RCTs were included. Meta-analyses suggested a significant reduction in body weight (WMD: -0.99 kg, 95% CI: -1.67, -0.31, p = 0.004), BMI (WMD: -0.30 kg m-2 , 95% CI: -0.53, -0.08, p = 0.008) and waist circumference (WMD: -0.80 cm, 95% CI: -1.40, -0.20, p = 0.008) following flaxseed supplementation. Subgroup analyses showed that using whole flaxseed in doses ≥30 g d-1 , longer-term interventions (≥12 weeks) and studies including participants with higher BMI (≥ 27 kg m-2 ) had positive effects on body composition. Whole flaxseed is a good choice for weight management particularly for weight reduction in overweight and obese participants.
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Affiliation(s)
- M Mohammadi-Sartang
- Department of Clinical Nutrition, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran.,Meta-Research Innovation Office, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Z Mazloom
- Department of Clinical Nutrition, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran.,Meta-Research Innovation Office, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - H Raeisi-Dehkordi
- Department of Clinical Nutrition, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran.,Meta-Research Innovation Office, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - R Barati-Boldaji
- Meta-Research Innovation Office, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran.,Department of Community Nutrition, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - N Bellissimo
- School of Nutrition, Ryerson University, Toronto, Ontario, Canada
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Cicero AFG, Colletti A, Bajraktari G, Descamps O, Djuric DM, Ezhov M, Fras Z, Katsiki N, Langlois M, Latkovskis G, Panagiotakos DB, Paragh G, Mikhailidis DP, Mitchenko O, Paulweber B, Pella D, Pitsavos C, Reiner Ž, Ray KK, Rizzo M, Sahebkar A, Serban MC, Sperling LS, Toth PP, Vinereanu D, Vrablík M, Wong ND, Banach M. Lipid-lowering nutraceuticals in clinical practice: position paper from an International Lipid Expert Panel. Nutr Rev 2017; 75:731-767. [PMID: 28938795 DOI: 10.1093/nutrit/nux047] [Citation(s) in RCA: 208] [Impact Index Per Article: 29.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
In recent years, there has been growing interest in the possible use of nutraceuticals to improve and optimize dyslipidemia control and therapy. Based on the data from available studies, nutraceuticals might help patients obtain theraputic lipid goals and reduce cardiovascular residual risk. Some nutraceuticals have essential lipid-lowering properties confirmed in studies; some might also have possible positive effects on nonlipid cardiovascular risk factors and have been shown to improve early markers of vascular health such as endothelial function and pulse wave velocity. However, the clinical evidence supporting the use of a single lipid-lowering nutraceutical or a combination of them is largely variable and, for many of the nutraceuticals, the evidence is very limited and, therefore, often debatable. The purpose of this position paper is to provide consensus-based recommendations for the optimal use of lipid-lowering nutraceuticals to manage dyslipidemia in patients who are still not on statin therapy, patients who are on statin or combination therapy but have not achieved lipid goals, and patients with statin intolerance. This statement is intended for physicians and other healthcare professionals engaged in the diagnosis and management of patients with lipid disorders, especially in the primary care setting.
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Affiliation(s)
- Arrigo F G Cicero
- Department of Medicine and Surgery Sciences, University of Bologna, Bologna, Italy; and Italian Society of Nutraceuticals
| | - Alessandro Colletti
- Department of Medicine and Surgery Sciences, University of Bologna, Bologna, Italy; and Italian Society of Nutraceuticals
| | - Gani Bajraktari
- Clinic of Cardiology, University Clinical Centre of Kosovo, Prishtina, Kosovo; Medical Faculty, University of Prishtina, Prishtina, Kosovo; and Kosovo Society of Cardiology
| | - Olivier Descamps
- Department of Internal Medicine, Centres Hospitaliers Jolimont, Haine Saint-Paul, Belgium; and Belgian Atherosclerosis Society
| | - Dragan M Djuric
- Institute of Medical Physiology "Richard Burian," Faculty of Medicine, University of Belgrade, Belgrade, Serbia; and Serbian Association for Arteriosclerosis, Thrombosis and Vascular Biology Research
| | - Marat Ezhov
- Russian Cardiology Research and Production Centre, Moscow, Russia; and Russian National Atherosclerosis Society
| | - Zlatko Fras
- Preventive Cardiology Unit, Department of Vascular Medicine, Division of Internal Medicine, University Medical Centre Ljubljana, Ljubljana, Slovenia; Chair for Internal Medicine, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia; and Slovenian Society of Cardiology
| | - Niki Katsiki
- Second Department of Propaedeutic Internal Medicine, Medical School, Aristotle University of Thessaloniki, Hippocration Hospital, Thessaloniki, Greece
| | - Michel Langlois
- Department of Laboratory Medicine, AZ Sint-Jan Hospital, Bruges, Belgium; and Belgian Atherosclerosis Society
| | - Gustavs Latkovskis
- Faculty of Medicine and Institute of Cardiology and Regenerative Medicine, University of Latvia, Riga, Latvia; and Baltic Atherosclerosis Society
| | - Demosthenes B Panagiotakos
- School of Health Science and Education, Department of Nutrition and Dietetics, Harokopio University of Athens, Athens, Greece
| | - Gyorgy Paragh
- Department of Internal Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary; and Hungarian Atherosclerosis Society
| | - Dimitri P Mikhailidis
- Department of Clinical Biochemistry, Royal Free Campus, University College London Medical School, University College London, London, UK
| | - Olena Mitchenko
- Dyslipidaemia Department, Institute of Cardiology AMS of Ukraine, Kiev, Ukraine; and Ukrainian Atherosclerosis Society
| | - Bernhard Paulweber
- 1st Department of Internal Medicine, Paracelsus Private Medical University, Salzburg, Austria; and Austrian Atherosclerosis Society
| | - Daniel Pella
- 1st Department of Internal Medicine, Faculty of Medicine, Pavol Jozef Safarik University, Košice, Slovakia; and Slovak Association of Atherosclerosis
| | - Christos Pitsavos
- Cardiology Clinic, School of Medicine, University of Athens, Athens, Greece; and Hellenic Atherosclerosis Society
| | - Željko Reiner
- University Hospital Centre Zagreb, School of Medicine University of Zagreb, Department of Internal Medicine, Zagreb, Croatia; and Croatian Atherosclerosis Society
| | - Kausik K Ray
- Department of Primary Care and Public Health, Imperial College, London, UK
| | - Manfredi Rizzo
- Biomedical Department of Internal Medicine and Medical Specialties, University of Palermo, Palermo, Italy; and Euro-Mediterranean Institute of Science and Technology, Palermo, Italy
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Maria-Corina Serban
- Center for Interdisciplinary Research, and Department of Functional Sciences, University of Medicine and Pharmacy "Victor Babes," Timisoara, Romania
| | - Laurence S Sperling
- Division of Cardiology, Emory University, Emory Clinical Cardiovascular Research Institute, Atlanta, Georgia, USA
| | - Peter P Toth
- Johns Hopkins Ciccarone Center for the Prevention of Heart Disease, Baltimore, Maryland, USA; and Preventive Cardiology, CGH Medical Center, Sterling, Illinois, USA
| | - Dragos Vinereanu
- University of Medicine and Pharmacy "Carol Davila," Bucharest, Romania; Department of Cardiology, University and Emergency Hospital, Bucharest, Romania; and Romanian Society of Cardiology
| | - Michal Vrablík
- Third Department of Internal Medicine, First Medical Faculty, Charles University, Prague, Czech Republic; and Czech Atherosclerosis Society
| | - Nathan D Wong
- Heart Disease Prevention Program, Division of Cardiology, University of California, Irvine, California, USA
| | - Maciej Banach
- Department of Hypertension, Chair of Nephrology and Hypertension, Medical University of Lodz, Poland; Polish Mother's Memorial Hospital Research Institute, Lodz, Poland; Cardiovascular Research Centre, University of Zielona Gora, Zielona Gora, Poland; Lipid and Blood Pressure Meta-Analysis Collaboration Group; and Polish Lipid Association
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79
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Cicero AF, Colletti A, Bajraktari G, Descamps O, Djuric DM, Ezhov M, Fras Z, Katsiki N, Langlois M, Latkovskis G, Panagiotakos DB, Paragh G, Mikhailidis DP, Mitchenko O, Paulweber B, Pella D, Pitsavos C, Reiner Ž, Ray KK, Rizzo M, Sahebkar A, Serban MC, Sperling LS, Toth PP, Vinereanu D, Vrablík M, Wong ND, Banach M. Lipid lowering nutraceuticals in clinical practice: position paper from an International Lipid Expert Panel. Arch Med Sci 2017; 13:965-1005. [PMID: 28883839 PMCID: PMC5575230 DOI: 10.5114/aoms.2017.69326] [Citation(s) in RCA: 189] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Accepted: 07/28/2017] [Indexed: 02/05/2023] Open
Affiliation(s)
- Arrigo F.G. Cicero
- Department of Medicine and Surgery Sciences, University of Bologna, Bologna, Italy; Italian Society of Nutraceuticals (SINut)
| | - Alessandro Colletti
- Department of Medicine and Surgery Sciences, University of Bologna, Bologna, Italy; Italian Society of Nutraceuticals (SINut)
| | - Gani Bajraktari
- Clinic of Cardiology, University Clinical Centre of Kosovo, Prishtina, Kosovo; Medical Faculty, University of Prishtina, Prishtina, Kosovo; Kosovo Society of Caridology
| | - Olivier Descamps
- Institute of Medical Physiology “Richard Burian“, Faculty of Medicine, University of Belgrade, Belgrade, Serbia; Serbian Association for Arteriosclerosis, Thrombosis and Vascular Biology Research
| | - Dragan M. Djuric
- Institute of Medical Physiology “Richard Burian“, Faculty of Medicine, University of Belgrade, Belgrade, Serbia; Serbian Association for Arteriosclerosis, Thrombosis and Vascular Biology Research
| | - Marat Ezhov
- Russian Cardiology Research and Production Centre, Moscow, Russia; Russian National Atherosclerosis Society
| | - Zlatko Fras
- Preventive Cardiology Unit, Department of Vascular Medicine, Division of Internal Medicine, University Medical Centre Ljubljana, Slovenia; Chair for Internal Medicine, Faculty of Medicine, University of Ljubljana, Slovenia; Slovenian Society of Cardiology
| | - Niki Katsiki
- Second Department of Propaedeutic Internal Medicine, Medical School, Aristotle University of Thessaloniki, Hippocration Hospital, Thessaloniki, Greece
| | - Michel Langlois
- Department of Laboratory Medicine, AZ Sint-Jan Hospital, Bruges, Belgium; Belgian Atheroclerosis Society
| | - Gustavs Latkovskis
- Faculty of Medicine and Institute of Cardiology and Regenerative Medicine, University of Latvia, Riga, Latvia; Baltic Atherosclerosis Society
| | - Demosthenes B. Panagiotakos
- School of Health Science and Education, Department of Nutrition and Dietetics, Harokopio University of Athens, Athens, Greece
| | - Gyorgy Paragh
- Department of Internal Medicine, Faculty of Medicine, University of Debrecen, Debrecen, Hungary; Hungarian Atherosclerosis Society
| | - Dimitri P. Mikhailidis
- Department of Clinical Biochemistry, Royal Free Campus, Medical School, University College London (UCL), London, UK
| | - Olena Mitchenko
- 13Dyslipidaemia Department, Institute of Cardiology AMS of Ukraine, Ukraine; Ukrainian Atherosclerosis Society
| | - Bernhard Paulweber
- First Department of Internal Medicine, Paracelsus Private Medical University, Salzburg, Austria; Austrian Atheroclerosis Society (AAS)
| | - Daniel Pella
- 1 Department of Internal Medicine, Faculty of Medicine, Pavol Jozef Safarik University, Košice, Slovakia; Slovak Association of Atherosclerosis
| | - Christos Pitsavos
- Cardiology Clinic, School of Medicine, University of Athens, Greece; Hellenic Atherosclerosis Society
| | - Željko Reiner
- University Hospital Centre Zagreb, School of Medicine University of Zagreb, Department of Internal Medicine, Zagreb, Croatia; Croatian Atherosclerosis Society
| | - Kausik K. Ray
- Department of Primary Care and Public Health, Imperial College, London, UK
| | - Manfredi Rizzo
- Biomedical Department of Internal Medicine and Medical Specialties, University of Palermo, Palermo, Italy; Euro-Mediterranean Institute of Science and Technology, Palermo, Italy
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Maria-Corina Serban
- Center for Interdisciplinary Research, University of Medicine and Pharmacy “Victor Babes”, Timisoara, Romania; Department of Functional Sciences, University of Medicine and Pharmacy “Victor Babes”, Timisoara, Romania
| | - Laurence S. Sperling
- Division of Cardiology, Emory University, Emory Clinical Cardiovascular Research Institute, Atlanta, Georgia, USA
| | - Peter P. Toth
- The Johns Hopkins Ciccarone Center for the Prevention of Heart Disease, Baltimore, MD, USA; Preventive Cardiology, CGH Medical Center, Sterling, Illinois, USA
| | - Dragos Vinereanu
- University of Medicine and Pharmacy “Carol Davila”, Bucharest, Romania; Department of Cardiology, University and Emergency Hospital, Bucharest, Romania; Romanian Society of Cardiology
| | - Michal Vrablík
- Third Department of Internal Medicine, First Medical Faculty, Charles University, Prague, Czech Republic; Czech Atherosclerosis Society
| | - Nathan D. Wong
- Heart Disease Prevention Program, Division of Cardiology, University of California, Irvine, USA
| | - Maciej Banach
- Department of Hypertension, Chair of Nephrology and Hypertension, Medical University of Lodz, Poland; Polish Mother’s Memorial Hospital Research Institute (PMMHRI), Lodz, Poland; Cardiovascular Research Centre, University of Zielona Gora, Zielona Gora, Poland; Lipid and Blood Pressure Meta-Analysis Collaboration (LBPMC) Group; Polish Lipid Association (PoLA)
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80
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Kumar A, Mosa KA, Ji L, Kage U, Dhokane D, Karre S, Madalageri D, Pathania N. Metabolomics-assisted biotechnological interventions for developing plant-based functional foods and nutraceuticals. Crit Rev Food Sci Nutr 2017; 58:1791-1807. [PMID: 28272908 DOI: 10.1080/10408398.2017.1285752] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Today, the dramatic changes in types of food consumed have led to an increased burden of chronic diseases. Therefore, the emphasis of food research is not only to ensure quality food that can supply adequate nutrients to prevent nutrition related diseases, but also to ensure overall physical and mental-health. This has led to the concept of functional foods and nutraceuticals (FFNs), which can be ideally produced and delivered through plants. Metabolomics can help in getting the most relevant functional information, and thus has been considered the greatest -OMICS technology to date. However, metabolomics has not been exploited to the best potential in plant sciences. The technology can be leveraged to identify the health promoting compounds and metabolites that can be used for the development of FFNs. This article reviews (i) plant-based FFNs-related metabolites and their health benefits; (ii) use of different analytic platforms for targeted and non-targeted metabolite profiling along with experimental considerations; (iii) exploitation of metabolomics to develop FFNs in plants using various biotechnological tools; and (iv) potential use of metabolomics in plant breeding. We have also provided some insights into integration of metabolomics with latest genome editing tools for metabolic pathway regulation in plants.
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Affiliation(s)
- Arun Kumar
- a Department of Horticulture , University of Wisconsin-Madison , Madison , Wisconsin , USA
| | - Kareem A Mosa
- b Department of Applied Biology , College of Sciences, University of Sharjah , Sharjah , United Arab Emirates.,c Department of Biotechnology , Faculty of Agriculture, Al-Azhar University , Cairo , Egypt
| | - Liyao Ji
- d Plant Science Department , McGill University , Quebec , Canada
| | - Udaykumar Kage
- d Plant Science Department , McGill University , Quebec , Canada
| | | | - Shailesh Karre
- d Plant Science Department , McGill University , Quebec , Canada
| | - Deepa Madalageri
- e Department of Food Science and Nutrition , College of Home Science, University of Agricultural Science , Dharwad , India
| | - Neemisha Pathania
- f Department of Soil Sciences , Punjab Agricultural University , Ludhiana , India
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81
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Liperoti R, Vetrano DL, Bernabei R, Onder G. Herbal Medications in Cardiovascular Medicine. J Am Coll Cardiol 2017; 69:1188-1199. [PMID: 28254182 DOI: 10.1016/j.jacc.2016.11.078] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 10/11/2016] [Accepted: 11/07/2016] [Indexed: 01/01/2023]
Abstract
Herbal medications are commonly used for clinical purposes, including the treatment of cardiovascular conditions. Compared with conventional medications, herbal medications do not require clinical studies before their marketing or formal approval from regulatory agencies, and for this reason their efficacy and safety are rarely proven. In this review, we summarize available evidence on herbal medications mostly used in cardiovascular medicine. We show that the use of these medications for the treatment of cardiovascular diseases is often not supported by scientific evidence. Despite most of these herbs showing an effect on biological mechanisms related to the cardiovascular system, data on their clinical effects are lacking. Potential relevant side effects, including increased risk of drug interactions, are described, and the possibility of contamination or substitution with other medications represents a concern. Physicians should always assess the use of herbal medications with patients and discuss the possible benefits and side effects with them.
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Affiliation(s)
- Rosa Liperoti
- Department of Geriatrics, Neurosciences and Orthopaedics, A. Gemelli University Hospital, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Davide L Vetrano
- Department of Geriatrics, Neurosciences and Orthopaedics, A. Gemelli University Hospital, Università Cattolica del Sacro Cuore, Rome, Italy; Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet and Stockholm University, Stockholm, Sweden
| | - Roberto Bernabei
- Department of Geriatrics, Neurosciences and Orthopaedics, A. Gemelli University Hospital, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Graziano Onder
- Department of Geriatrics, Neurosciences and Orthopaedics, A. Gemelli University Hospital, Università Cattolica del Sacro Cuore, Rome, Italy.
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82
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Ground flaxseed increased nitric oxide levels in adults with type 2 diabetes: A randomized comparative effectiveness study of supplemental flaxseed and psyllium fiber. ACTA ACUST UNITED AC 2017. [DOI: 10.1016/j.obmed.2017.01.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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83
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Thaipitakwong T, Aramwit P. A Review of the Efficacy, Safety, and Clinical Implications of Naturally Derived Dietary Supplements for Dyslipidemia. Am J Cardiovasc Drugs 2017; 17:27-35. [PMID: 27637494 DOI: 10.1007/s40256-016-0191-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Dyslipidemia is recognized as a major cause of cardiovascular disease. A number of evidence-based guidelines recommend conventional synthetic drugs as standard therapy for dyslipidemia in clinical practice. However, antihyperlipidemic drugs have some serious side effects. Naturally derived dietary supplements are becoming attractive as an alternative strategy because of their high efficacy and safety, as supported by numerous data. Moreover, they could be considered an initial treatment for dyslipidemia. The aims of this literature review were to demonstrate the efficacy, safety, and clinical implications of dietary supplements for treating dyslipidemia. We reviewed the literature, including data from in vitro, in vivo, and human studies, and clinical guideline recommendations. We classified dietary supplements by their proposed mechanisms of action on lipid metabolism and also collected daily dosage recommendations, interactions with concurrent drugs and/or foods, dosage forms, and examples of commercially available products. Various types of naturally derived dietary supplements exhibit lipid-improving properties. Efficacy and safety are acceptable; however, their use in clinical practice will require further well-designed investigations and the support of scientific data.
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Affiliation(s)
- Thanchanit Thaipitakwong
- Bioactive Resources for Innovative Clinical Applications Research Unit and Department of Pharmacy Practice, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Pornanong Aramwit
- Bioactive Resources for Innovative Clinical Applications Research Unit and Department of Pharmacy Practice, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand.
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84
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Ren GY, Chen CY, Chen WG, Huang Y, Qin LQ, Chen LH. The treatment effects of flaxseed-derived secoisolariciresinol diglycoside and its metabolite enterolactone on benign prostatic hyperplasia involve the G protein-coupled estrogen receptor 1. Appl Physiol Nutr Metab 2016; 41:1303-1310. [DOI: 10.1139/apnm-2016-0332] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Secoisolariciresinol diglucoside (SDG), a lignan extracted from flaxseed, has been shown to suppress benign prostatic hyperplasia (BPH). However, little is known about the mechanistic basis for its anti-BPH activity. The present study showed that enterolactone (ENL), the mammalian metabolite of SDG, shared the similar binding site of G1 on a new type of membranous estrogen receptor, G-protein-coupled estrogen eceptor 1 (GPER), by docking simulations method. ENL and G1 (the specific agonist of GPER) inhibited the proliferation of human prostate stromal cell line WPMY-1 as shown by MTT assay and arrested cell cycle at the G0/G1 phase, which was displayed by propidium iodide staining following flow cytometer examination. Silencing GPER by short interfering RNA attenuated the inhibitory effect of ENL on WPMY-1 cells. The therapeutic potential of SDG in the treatment of BPH was confirmed in a testosterone propionate-induced BPH rat model. SDG significantly reduced the enlargement of the rat prostate and the number of papillary projections of prostatic alveolus and thickness of the pseudostratified epithelial and stromal cells when comparing with the model group. Mechanistic studies showed that SDG and ENL increased the expression of GPER both in vitro and in vivo. Furthermore, ENL-induced cell cycle arrest may be mediated by the activation of GPER/ERK pathway and subsequent upregulation of p53 and p21 and downregulation of cyclin D1. This work, in tandem with previous studies, will enhance our knowledge regarding the mechanism(s) of dietary phytochemicals on BPH prevention and ultimately expand the scope of adopting alternative approaches in BPH treatment.
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Affiliation(s)
- Guan-Yu Ren
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Department of Nutrition and Food Hygiene, School of Public Health, Soochow University, 199 Renai Road, Dushu Lake Higher Education Town, Suzhou 215123, China
- Department of Urology, The First Affiliated Hospital of Soochow University, Soochow University, 188 Shizi street, Suzhou 215006, China
| | - Chun-Yang Chen
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Department of Nutrition and Food Hygiene, School of Public Health, Soochow University, 199 Renai Road, Dushu Lake Higher Education Town, Suzhou 215123, China
- Department of Urology, The First Affiliated Hospital of Soochow University, Soochow University, 188 Shizi street, Suzhou 215006, China
| | - Wei-Guo Chen
- Department of Urology, The First Affiliated Hospital of Soochow University, Soochow University, 188 Shizi street, Suzhou 215006, China
| | - Ya Huang
- Institute of Neuroscience, Soochow University, 199 Renai Road, Dushu Lake Higher Education Town, Suzhou 215123, China
| | - Li-Qiang Qin
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Department of Nutrition and Food Hygiene, School of Public Health, Soochow University, 199 Renai Road, Dushu Lake Higher Education Town, Suzhou 215123, China
| | - Li-Hua Chen
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Department of Nutrition and Food Hygiene, School of Public Health, Soochow University, 199 Renai Road, Dushu Lake Higher Education Town, Suzhou 215123, China
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85
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Frankenfeld CL. Cardiometabolic risk and gut microbial phytoestrogen metabolite phenotypes. Mol Nutr Food Res 2016; 61. [DOI: 10.1002/mnfr.201500900] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Revised: 06/18/2016] [Accepted: 07/14/2016] [Indexed: 12/18/2022]
Affiliation(s)
- Cara L. Frankenfeld
- Department of Global and Community Health; George Mason University; Fairfax VA USA
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86
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Kromhout D, Spaaij CJK, de Goede J, Weggemans RM. The 2015 Dutch food-based dietary guidelines. Eur J Clin Nutr 2016; 70:869-78. [PMID: 27049034 PMCID: PMC5399142 DOI: 10.1038/ejcn.2016.52] [Citation(s) in RCA: 241] [Impact Index Per Article: 30.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2016] [Revised: 02/09/2016] [Accepted: 02/10/2016] [Indexed: 02/08/2023]
Abstract
The objective of this study was to derive food-based dietary guidelines for the Dutch population. The dietary guidelines are based on 29 systematic reviews of English language meta-analyses in PubMed summarizing randomized controlled trials and prospective cohort studies on nutrients, foods and food patterns and the risk of 10 major chronic diseases: coronary heart disease, stroke, heart failure, diabetes, breast cancer, colorectal cancer, lung cancer, chronic obstructive pulmonary disease, dementia and depression. The committee also selected three causal risk factors for cardiovascular diseases or diabetes: systolic blood pressure, low-density lipoprotein cholesterol and body weight. Findings were categorized as strong or weak evidence, inconsistent effects, too little evidence or effect unlikely for experimental and observational data separately. Next, the committee selected only findings with a strong level of evidence for deriving the guidelines. Convincing evidence was based on strong evidence from the experimental data either or not in combination with strong evidence from prospective cohort studies. Plausible evidence was based on strong evidence from prospective cohort studies only. A general guideline to eat a more plant food-based dietary pattern and limit consumption of animal-based food and 15 specific guidelines have been formulated. There are 10 new guidelines on legumes, nuts, meat, dairy produce, cereal products, fats and oils, tea, coffee and sugar-containing beverages. Three guidelines on vegetables, fruits, fish and alcoholic beverages have been sharpened, and the 2006 guideline on salt stayed the same. A separate guideline has been formulated on nutrient supplements. Completely food-based dietary guidelines can be derived in a systematic and transparent way.
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Affiliation(s)
- D Kromhout
- The Health Council of the Netherlands, The Hague, The Netherlands
| | - C J K Spaaij
- The Health Council of the Netherlands, The Hague, The Netherlands
| | - J de Goede
- The Health Council of the Netherlands, The Hague, The Netherlands
| | - R M Weggemans
- The Health Council of the Netherlands, The Hague, The Netherlands
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87
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Sun J, Tang Y, Yu X, Xu Y, Liu P, Xiao L, Liu L, Deng Q, Yao P. Flaxseed lignans alleviate high fat diet-induced hepatic steatosis and insulin resistance in mice: Potential involvement of AMP-activated protein kinase. J Funct Foods 2016. [DOI: 10.1016/j.jff.2016.04.032] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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88
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Sahebkar A, Serban MC, Gluba-Brzózka A, Mikhailidis DP, Cicero AF, Rysz J, Banach M. Lipid-modifying effects of nutraceuticals: An evidence-based approach. Nutrition 2016; 32:1179-92. [PMID: 27324061 DOI: 10.1016/j.nut.2016.04.007] [Citation(s) in RCA: 131] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2015] [Revised: 04/04/2016] [Accepted: 04/17/2016] [Indexed: 01/14/2023]
Abstract
The present review provides an up-to-date summary of the findings on the lipid-lowering effects of the most important nutraceuticals and functional foods. Based on current knowledge, nutraceuticals might exert significant lipid-lowering, and their use has several advantages: A number of important questions remain to be addressed, including whether longer durations of therapy would result in a better response and the exact safety profile of nutraceuticals, especially at doses higher than those consumed in an average diet. Additionally, data regarding the effects of nutraceutical supplementation on the incidence of cardiovascular outcomes are lacking, and it is not clear whether additional lipid lowering by nutraceuticals can modify the residual cardiovascular risk that remains after statin therapy.
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Affiliation(s)
- Amirhossein Sahebkar
- Biotechnology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Metabolic Research Centre, Royal Perth Hospital, School of Medicine and Pharmacology, University of Western Australia, Perth, Australia
| | - Maria-Corina Serban
- Department of Functional Sciences, Discipline of Pathophysiology, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania
| | - Anna Gluba-Brzózka
- Department of Nephrology, Hypertension and Family Medicine, Medical University of Lodz, Lodz, Poland
| | - Dimitri P Mikhailidis
- Department of Clinical Biochemistry, Royal Free Campus, University College London Medical School, University College London, London, United Kingdom
| | - Arrigo F Cicero
- Medical and Surgical Sciences Department, University of Bologna, Bologna, Italy
| | - Jacek Rysz
- Department of Nephrology, Hypertension and Family Medicine, Medical University of Lodz, Lodz, Poland
| | - Maciej Banach
- Department of Hypertension, Medical University of Lodz, Lodz, Poland.
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89
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Yari Z, Rahimlou M, Eslamparast T, Ebrahimi-Daryani N, Poustchi H, Hekmatdoost A. Flaxseed supplementation in non-alcoholic fatty liver disease: a pilot randomized, open labeled, controlled study. Int J Food Sci Nutr 2016; 67:461-9. [PMID: 26983396 DOI: 10.3109/09637486.2016.1161011] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A two-arm randomized open labeled controlled clinical trial was conducted on 50 patients with non-alcoholic fatty liver disease (NAFLD). Participants were assigned to take either a lifestyle modification (LM), or LM +30 g/day brown milled flaxseed for 12 weeks. At the end of the study, body weight, liver enzymes, insulin resistance and hepatic fibrosis and steatosis decreased significantly in both groups (p< 0.05); however, this reduction was significantly greater in those who took flaxseed supplementation (p < 0.05). The significant mean differences were reached in hepatic markers between flaxseed and control group, respectively: ALT [-11.12 compared with -3.7 U/L; P< 0.001], AST [-8.29 compared with -4 U/L; p < 0.001], GGT [-15.7 compared with -2.62 U/L; p < 0.001], fibrosis score [-1.26 compared with -0.77 kPa; p = 0.013] and steatosis score [-47 compared with -15.45 dB/m; p = 0.022]. In conclusion, flaxseed supplementation plus lifestyle modification is more effective than lifestyle modification alone for NAFLD management.
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Affiliation(s)
- Zahra Yari
- a Department of Clinical Nutrition and Dietetics, Faculty of Nutrition and Food Technology , National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Science , Tehran , Iran
| | - Mehran Rahimlou
- b Department of Nutrition, Faculty of Nutrition and Dietetics , Tehran University of Medical Sciences , Tehran , Iran
| | - Tannaz Eslamparast
- a Department of Clinical Nutrition and Dietetics, Faculty of Nutrition and Food Technology , National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Science , Tehran , Iran
| | - Naser Ebrahimi-Daryani
- c Digestive Disease Research Institute, ImamKhomeini Hospital , Tehran University of Medical Sciences , Tehran , Iran
| | - Hossein Poustchi
- d Liver and Pancreatobiliary Diseases Research Center, Digestive Diseases Research Institute , Tehran University of Medical Sciences , Tehran , Iran
| | - Azita Hekmatdoost
- a Department of Clinical Nutrition and Dietetics, Faculty of Nutrition and Food Technology , National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Science , Tehran , Iran
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Ren GY, Chen CY, Chen GC, Chen WG, Pan A, Pan CW, Zhang YH, Qin LQ, Chen LH. Effect of Flaxseed Intervention on Inflammatory Marker C-Reactive Protein: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Nutrients 2016; 8:136. [PMID: 26959052 PMCID: PMC4808865 DOI: 10.3390/nu8030136] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2015] [Revised: 02/20/2016] [Accepted: 02/24/2016] [Indexed: 12/15/2022] Open
Abstract
Functional food-flaxseed and its derivatives (flaxseed oil or lignans) are beneficial for human health, possibly because of their anti-inflammatory effects. C-reactive protein (CRP), a sensitive marker of inflammation was chosen to evaluate the anti-inflammatory effects of flaxseed. We searched randomized controlled trials from PubMed and the Cochrane Library in October 2015 and conducted a meta-analysis to evaluate the effectiveness of flaxseed and its derivatives on CRP. The mean differences (net change) in CRP (mg/L) concentrations were pooled with a random- or a fixed-effects model depending on the results of heterogeneity tests. Overall, flaxseed interventions had no effects on reduction of CRP (p = 0.428). The null effects were consistent in the subgroup analysis with multiple studies and population characteristics. Significant heterogeneity was observed in most of the analyses. Meta-regression identified baseline body mass index (BMI) as a significant source of heterogeneity (P-interaction = 0.032), with a significant reduction in CRP of 0.83 mg/L (95% confidence interval −1.34 to −0.31; p = 0.002) among subjects with a BMI of ≥30 kg/m2. In conclusion, our meta-analysis did not find sufficient evidence that flaxseed and its derivatives have a beneficial effect on reducing circulating CRP. However, they may significantly reduce CRP in obese populations.
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Affiliation(s)
- Guan-Yu Ren
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Department of Nutrition and Food Hygiene, School of Public Health, Soochow University, 199 Renai Road, Dushu Lake Higher Education Town, Suzhou 215123, China.
- Department of Urology, The First Affiliated Hospital of Soochow University, Soochow University, 188 Shizi street, Suzhou 215006, China.
| | - Chun-Yang Chen
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Department of Nutrition and Food Hygiene, School of Public Health, Soochow University, 199 Renai Road, Dushu Lake Higher Education Town, Suzhou 215123, China.
- Department of Urology, The First Affiliated Hospital of Soochow University, Soochow University, 188 Shizi street, Suzhou 215006, China.
| | - Guo-Chong Chen
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Department of Nutrition and Food Hygiene, School of Public Health, Soochow University, 199 Renai Road, Dushu Lake Higher Education Town, Suzhou 215123, China.
| | - Wei-Guo Chen
- Department of Urology, The First Affiliated Hospital of Soochow University, Soochow University, 188 Shizi street, Suzhou 215006, China.
| | - An Pan
- Department of Epidemiology and Biostatistics, MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, 13 Hangkong Road, Wuhan 430030, China.
| | - Chen-Wei Pan
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Department of Nutrition and Food Hygiene, School of Public Health, Soochow University, 199 Renai Road, Dushu Lake Higher Education Town, Suzhou 215123, China.
| | - Yong-Hong Zhang
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Department of Nutrition and Food Hygiene, School of Public Health, Soochow University, 199 Renai Road, Dushu Lake Higher Education Town, Suzhou 215123, China.
| | - Li-Qiang Qin
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Department of Nutrition and Food Hygiene, School of Public Health, Soochow University, 199 Renai Road, Dushu Lake Higher Education Town, Suzhou 215123, China.
| | - Li-Hua Chen
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, Department of Nutrition and Food Hygiene, School of Public Health, Soochow University, 199 Renai Road, Dushu Lake Higher Education Town, Suzhou 215123, China.
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91
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92
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Ponnampalam EN, Lewandowski PA, Fahri FT, Burnett VF, Dunshea FR, Plozza T, Jacobs JL. Forms of n-3 (ALA, C18:3n-3 or DHA, C22:6n-3) Fatty Acids Affect Carcass Yield, Blood Lipids, Muscle n-3 Fatty Acids and Liver Gene Expression in Lambs. Lipids 2015; 50:1133-43. [PMID: 26395388 DOI: 10.1007/s11745-015-4070-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2015] [Accepted: 08/28/2015] [Indexed: 10/23/2022]
Abstract
The effects of supplementing diets with n-3 alpha-linolenic acid (ALA) and docosahexaenoic acid (DHA) on plasma metabolites, carcass yield, muscle n-3 fatty acids and liver messenger RNA (mRNA) in lambs were investigated. Lambs (n = 120) were stratified to 12 groups based on body weight (35 ± 3.1 kg), and within groups randomly allocated to four dietary treatments: basal diet (BAS), BAS with 10.7 % flaxseed supplement (Flax), BAS with 1.8 % algae supplement (DHA), BAS with Flax and DHA (FlaxDHA). Lambs were fed for 56 days. Blood samples were collected on day 0 and day 56, and plasma analysed for insulin and lipids. Lambs were slaughtered, and carcass traits measured. At 30 min and 24 h, liver and muscle samples, respectively, were collected for determination of mRNA (FADS1, FADS2, CPT1A, ACOX1) and fatty acid composition. Lambs fed Flax had higher plasma triacylglycerol, body weight, body fat and carcass yield compared with the BAS group (P < 0.001). DHA supplementation increased carcass yield and muscle DHA while lowering plasma insulin compared with the BAS diet (P < 0.01). Flax treatment increased (P < 0.001) muscle ALA concentration, while DHA treatment increased (P < 0.001) muscle DHA concentration. Liver mRNA FADS2 was higher and CPT1A lower in the DHA group (P < 0.05). The FlaxDHA diet had additive effects, including higher FADS1 and ACOX1 mRNA than for the Flax or DHA diet. In summary, supplementation with ALA or DHA modulated plasma metabolites, muscle DHA, body fat and liver gene expression differently.
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Affiliation(s)
- Eric N Ponnampalam
- Agriculture Research and Development, DEDJTR, Melbourne, VIC, 3001, Australia. .,Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC, 3010, Australia.
| | - Paul A Lewandowski
- School of Medicine and Centre for Molecular and Medical Research, Deakin University, Waurn Ponds, VIC, 3216, Australia
| | - Fahri T Fahri
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC, 3010, Australia
| | - Viv F Burnett
- Agriculture Research and Development, DEDJTR, Melbourne, VIC, 3001, Australia
| | - Frank R Dunshea
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC, 3010, Australia
| | - Tim Plozza
- Agriculture Research and Development, DEDJTR, Melbourne, VIC, 3001, Australia
| | - Joe L Jacobs
- Agriculture Research and Development, DEDJTR, Melbourne, VIC, 3001, Australia.,Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC, 3010, Australia
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93
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Nestel P, Clifton P, Colquhoun D, Noakes M, Mori TA, Sullivan D, Thomas B. Indications for Omega-3 Long Chain Polyunsaturated Fatty Acid in the Prevention and Treatment of Cardiovascular Disease. Heart Lung Circ 2015; 24:769-79. [DOI: 10.1016/j.hlc.2015.03.020] [Citation(s) in RCA: 113] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2014] [Revised: 03/22/2015] [Accepted: 03/26/2015] [Indexed: 11/30/2022]
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94
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Kapourchali FR, Surendiran G, Goulet A, Moghadasian MH. The Role of Dietary Cholesterol in Lipoprotein Metabolism and Related Metabolic Abnormalities: A Mini-review. Crit Rev Food Sci Nutr 2015; 56:2408-15. [DOI: 10.1080/10408398.2013.842887] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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95
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Lagkouvardos I, Kläring K, Heinzmann SS, Platz S, Scholz B, Engel KH, Schmitt-Kopplin P, Haller D, Rohn S, Skurk T, Clavel T. Gut metabolites and bacterial community networks during a pilot intervention study with flaxseeds in healthy adult men. Mol Nutr Food Res 2015; 59:1614-28. [PMID: 25988339 DOI: 10.1002/mnfr.201500125] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Revised: 03/27/2015] [Accepted: 04/13/2015] [Indexed: 01/01/2023]
Abstract
SCOPE Flaxseeds contain the phytoestrogens lignans that must be activated to enterolignans by intestinal bacteria. We investigated the impact of flaxseeds on fecal bacterial communities and their associations with fecal and blood metabolites. METHODS AND RESULTS Nine healthy male adult subjects ingested 0.3 g/kg/day flaxseeds during 1 week. Gut bacteria as well as blood and fecal metabolites were analyzed. Ingestion of flaxseeds triggered a significant increase in the blood concentration of enterolignans, accompanied by fecal excretion of propionate and glycerol. Overall diversity and composition of dominant fecal bacteria remained individual specific throughout the study. Enterolactone production was linked to the abundance of two molecular species identified as Ruminococcus bromii and Ruminococcus lactaris. Most dominant species of the order Bacteroidales were positively associated with fecal concentrations of either acetic, isovaleric, or isobutyric acid, the latter being negatively correlated with blood levels of triglycerides. The relative sequence abundance of one Gemmiger species (Ruminococcaceae) and of Coprococcus comes (Lachnospiraceae) correlated positively with blood levels of LDL cholesterol and triglycerides, respectively. CONCLUSION Flaxseeds increase enterolignan production but do not markedly alter fecal metabolome and dominant bacterial communities. The data underline the possible role of members of the family Ruminococcaceae in the regulation of enterolignan production and blood lipids.
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Affiliation(s)
- Ilias Lagkouvardos
- Research Group Intestinal Microbiome, ZIEL Institute for Food and Health, Technische Universität München, Freising, Germany.,Chair of Nutrition and Immunology, Technische Universität München, Freising, Germany
| | - Karoline Kläring
- Research Group Intestinal Microbiome, ZIEL Institute for Food and Health, Technische Universität München, Freising, Germany
| | - Silke S Heinzmann
- Analytical BioGeoChemistry, Helmholtz Zentrum München, Neuherberg, Freising, Germany
| | | | - Birgit Scholz
- General Food Technology, Technische Universität München, Freising, Germany
| | - Karl-Heinz Engel
- General Food Technology, Technische Universität München, Freising, Germany
| | - Philippe Schmitt-Kopplin
- Analytical BioGeoChemistry, Helmholtz Zentrum München, Neuherberg, Freising, Germany.,Chair of Analytical Food Chemistry, Technische Universität München, Freising, Germany
| | - Dirk Haller
- Chair of Nutrition and Immunology, Technische Universität München, Freising, Germany
| | - Sascha Rohn
- Food Chemistry, Hamburg University, Hamburg, Germany
| | - Thomas Skurk
- ZIEL Human Study Unit, Technische Universität München, Freising, Germany
| | - Thomas Clavel
- Research Group Intestinal Microbiome, ZIEL Institute for Food and Health, Technische Universität München, Freising, Germany
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96
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Pant G, Simaria C, A.H. Varsi R, Bhan P, Sibi G. In vitro Anti-Cholesterol and Antioxidant Activity of Methanolic Extracts from Flax Seeds (Linum usitatissimum L.). ACTA ACUST UNITED AC 2015. [DOI: 10.3923/rjmp.2015.300.306] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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97
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Kim MY, Choi SD, Ryu A. Is complementary and alternative therapy effective for women in the climacteric period? J Menopausal Med 2015; 21:28-35. [PMID: 26046035 PMCID: PMC4452811 DOI: 10.6118/jmm.2015.21.1.28] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2014] [Revised: 02/11/2015] [Accepted: 02/25/2015] [Indexed: 12/26/2022] Open
Abstract
Vasomotor symptoms start about 2 years prior to menopause in women who are approaching menopause, and early menopause symptoms appear including emotional disturbance and anxiety, followed by physical changes such as vaginal dryness, urinary incontinence and skin wrinkles. As time progresses, osteoporosis, cardiovascular diseases, and dementia occur consecutively. Hormone therapy is primarily considered for the relief of menopause symptoms in postmenopausal women. However, as hormone replacement has emerged as a therapy that increases the potential risk of thrombosis, cerebral infarction and breast cancer, complementary and alternative medicine has drawn much attention. This study aimed to examine the types and effects of evidence-based complementary and alternative therapies that are currently used.
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Affiliation(s)
- Mi Young Kim
- Department of Obstetrics and Gynecology, College of Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, Korea
| | - Seung Do Choi
- Department of Obstetrics and Gynecology, College of Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, Korea
| | - Aeli Ryu
- Department of Obstetrics and Gynecology, College of Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, Korea
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Edel AL, Rodriguez-Leyva D, Maddaford TG, Caligiuri SP, Austria JA, Weighell W, Guzman R, Aliani M, Pierce GN. Dietary flaxseed independently lowers circulating cholesterol and lowers it beyond the effects of cholesterol-lowering medications alone in patients with peripheral artery disease. J Nutr 2015; 145:749-57. [PMID: 25694068 DOI: 10.3945/jn.114.204594] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2014] [Accepted: 01/26/2015] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND Dietary flaxseed lowers cholesterol in healthy subjects with mild biomarkers of cardiovascular disease (CVD). OBJECTIVE The aim was to investigate the effects of dietary flaxseed on plasma cholesterol in a patient population with clinically significant CVD and in those administered cholesterol-lowering medications (CLMs), primarily statins. METHODS This double-blind, randomized, placebo-controlled trial examined the effects of a diet supplemented for 12 mo with foods that contained either 30 g of milled flaxseed [milled flaxseed treatment (FX) group; n = 58] or 30 g of whole wheat [placebo (PL) group; n = 52] in a patient population with peripheral artery disease (PAD). Plasma lipids were measured at 0, 1, 6, and 12 mo. RESULTS Dietary flaxseed in PAD patients resulted in a 15% reduction in circulating LDL cholesterol as early as 1 mo into the trial (P = 0.05). The concentration in the FX group (2.1 ± 0.10 mmol/L) tended to be less than in the PL group (2.5 ± 0.2 mmol/L) at 6 mo (P = 0.12), but not at 12 mo (P = 0.33). Total cholesterol also tended to be lower in the FX group than in the PL group at 1 mo (11%, P = 0.05) and 6 mo (11%, P = 0.07), but not at 12 mo (P = 0.24). In a subgroup of patients taking flaxseed and CLM (n = 36), LDL-cholesterol concentrations were lowered by 8.5% ± 3.0% compared with baseline after 12 mo. This differed from the PL + CLM subgroup (n = 26), which increased by 3.0% ± 4.4% (P = 0.030) to a final concentration of 2.2 ± 0.1 mmol/L. CONCLUSIONS Milled flaxseed lowers total and LDL cholesterol in patients with PAD and has additional LDL-cholesterol-lowering capabilities when used in conjunction with CLMs. This trial was registered at clinicaltrials.gov as NCT00781950.
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Affiliation(s)
- Andrea L Edel
- Canadian Center for Agri-Food Research in Health and Medicine, and the Asper Clinical Research Institute, St. Boniface Hospital, Department of Physiology and Pathophysiology, Faculty of Health Sciences
| | | | - Thane G Maddaford
- Canadian Center for Agri-Food Research in Health and Medicine, and the Asper Clinical Research Institute, St. Boniface Hospital, Department of Physiology and Pathophysiology, Faculty of Health Sciences
| | - Stephanie Pb Caligiuri
- Canadian Center for Agri-Food Research in Health and Medicine, and the Asper Clinical Research Institute, St. Boniface Hospital, Department of Physiology and Pathophysiology, Faculty of Health Sciences
| | - J Alejandro Austria
- Canadian Center for Agri-Food Research in Health and Medicine, and the Asper Clinical Research Institute, St. Boniface Hospital, Department of Physiology and Pathophysiology, Faculty of Health Sciences
| | - Wendy Weighell
- the Asper Clinical Research Institute, St. Boniface Hospital, Department of Surgery, and
| | - Randolph Guzman
- the Asper Clinical Research Institute, St. Boniface Hospital, Department of Surgery, and
| | - Michel Aliani
- Canadian Center for Agri-Food Research in Health and Medicine, and Department of Human Nutritional Sciences, Faculty of Agricultural and Food Sciences, University of Manitoba, Winnipeg, Canada; and
| | - Grant N Pierce
- Canadian Center for Agri-Food Research in Health and Medicine, and the Asper Clinical Research Institute, St. Boniface Hospital, Department of Physiology and Pathophysiology, Faculty of Health Sciences,
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99
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Khalesi S, Irwin C, Schubert M. Flaxseed consumption may reduce blood pressure: a systematic review and meta-analysis of controlled trials. J Nutr 2015; 145:758-65. [PMID: 25740909 DOI: 10.3945/jn.114.205302] [Citation(s) in RCA: 76] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2014] [Accepted: 02/02/2015] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND High blood pressure is a major health burden positively associated with the risk of cardiovascular disease and other chronic diseases. Flaxseed is a rich dietary source of α-linolenic acid, lignans, and fiber, with a number of positive health benefits on blood pressure. OBJECTIVE The purpose of this study was to clarify the effect of flaxseed consumption on blood pressure. Further, the influence of baseline blood pressure, type of flaxseed supplementation, and duration of flaxseed supplementation on blood pressure was explored. METHOD PubMed (MEDLINE), Cumulative Index to Nursing and Allied Health Literature, and Cochrane Library (Central) were searched through July 2014 for studies in which humans supplemented their habitual diet with flaxseed or its extracts (i.e., oil, lignans, fiber) for ≥2 wk. RESULTS A total of 11 studies (14 trials) were included in the analysis. Random-effects meta-analyses were conducted for the mean difference in blood pressure. Results indicated that flaxseed supplementation reduced systolic blood pressure (-1.77 mm Hg; 95% CI: -3.45, -0.09 mm Hg; P = 0.04) and diastolic blood pressure (-1.58 mm Hg; 95% CI: -2.64, -0.52 mm Hg; P = 0.003). These results were not influenced by categorization of participants into higher baseline blood pressure (≥130 mm Hg). An improvement in diastolic blood pressure was observed in subgroup analysis for consuming whole flaxseed (-1.93 mm Hg; 95% CI: -3.65, -0.21 mm Hg; P < 0.05) and duration of consumption ≥12 wk (-2.17 mm Hg; 95% CI: -3.44, -0.89 mm Hg; P < 0.05). CONCLUSION The present meta-analysis suggests that consumption of flaxseed may lower blood pressure slightly. The beneficial potential of flaxseed to reduce blood pressure (especially diastolic blood pressure) may be greater when it is consumed as a whole seed and for a duration of >12 wk.
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Affiliation(s)
| | - Christopher Irwin
- School of Allied Health Sciences, Menzies Health Institute Queensland, Griffith University, Gold Coast, Australia
| | - Matt Schubert
- School of Allied Health Sciences, Menzies Health Institute Queensland, Griffith University, Gold Coast, Australia
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100
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The effect of flaxseed dose on circulating concentrations of alpha-linolenic acid and secoisolariciresinol diglucoside derived enterolignans in young, healthy adults. Eur J Nutr 2015; 55:651-663. [PMID: 25808116 DOI: 10.1007/s00394-015-0885-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2014] [Accepted: 03/14/2015] [Indexed: 01/24/2023]
Abstract
PURPOSE The primary endpoint was to determine the plasma concentration of alpha-linolenic acid (ALA), and its metabolites, following milled flaxseed consumption at four doses. Secondary outcomes focused on plasma enterolignan concentrations and the effects on tolerability, platelet aggregation, plasma lipids and urinary thromboxane levels. METHODS Healthy, younger adults (n = 34; 18-49 years old) were randomized into four groups consuming one muffin daily for 30 days fortified with 10, 20, 30 or 40 g of milled flaxseed. Blood and urine were collected at baseline and 4 weeks. RESULTS Plasma ALA concentrations increased with all flaxseed doses (P < 0.01), except the 20 g/day dose (P = 0.10), yet there was no significant dose-dependent response (P = 0.81). Only with the 30 g/day diet were n-3 polyunsaturated fatty acids (P = 0.007), and eicosapentaenoic acid (EPA) (P = 0.047) increased from baseline values. Docosapentaenoic acid and docosahexaenoic acid were not detected at any dose. Plasma total enterolignan concentrations significantly increased over time in all treatment groups, yet despite a dose-dependent tendency, no between-group differences were detected (P = 0.22). Flaxseed was well tolerated, even at the highest dose, as there were no reported adverse events, changes in cholesterol, platelet aggregation or urinary 11-dehydro-thromboxane B2. CONCLUSIONS In healthy, younger adults, 10 g/day of milled flaxseed consumption is sufficient to significantly increase circulating ALA and total enterolignan concentrations; however, 30 g/day is required to convert ALA to EPA. Although all doses were well tolerated, 40 g/day is too low to attenuate cholesterol in this population.
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