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Li A, Han X, Liu L, Zhang G, Du P, Zhang C, Li C, Chen B. Dairy products and constituents: a review of their effects on obesity and related metabolic diseases. Crit Rev Food Sci Nutr 2023:1-21. [PMID: 37724572 DOI: 10.1080/10408398.2023.2257782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
Obesity has become a global public health problem that seriously affects the quality of life. As an important part of human diet, dairy products contain a large number of nutrients that are essential for maintaining human health, such as proteins, peptides, lipids, vitamins, and minerals. A growing number of epidemiological investigations provide strong evidence on dairy interventions for weight loss in overweight/obese populations. Therefore, this paper outlines the relationship between the consumption of different dairy products and obesity and related metabolic diseases. In addition, we dive into the mechanisms related to the regulation of glucose and lipid metabolism by functional components in dairy products and the interaction with gut microbes. Lastly, the role of dairy products on obesity of children and adolescents is revisited. We conclude that whole dairy products exert more beneficial effect than single milk constituent on alleviating obesity and that dairy matrix has important implications for metabolic health.
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Affiliation(s)
- Aili Li
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China
| | - Xueting Han
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China
| | - Libo Liu
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China
| | - Guofang Zhang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China
| | - Peng Du
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China
| | - Chao Zhang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China
| | - Chun Li
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China
- Heilongjiang Green Food Research Institute, Harbin, China
| | - Bingcan Chen
- Department of Plant Sciences, North Dakota State University, Fargo, North Dakota, USA
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Zacharodimos N, Athanasaki C, Vitsou-Anastasiou S, Papadopoulou OS, Moniaki N, Doulgeraki AI, Nychas GJE, Tassou CC, Papakonstantinou E. Short-Term Effects of Fruit Juice Enriched with Vitamin D3, n-3 PUFA, and Probiotics on Glycemic Responses: A Randomized Controlled Clinical Trial in Healthy Adults. Metabolites 2023; 13:791. [PMID: 37512498 PMCID: PMC10385322 DOI: 10.3390/metabo13070791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 06/18/2023] [Accepted: 06/23/2023] [Indexed: 07/30/2023] Open
Abstract
This study aimed to determine the glycemic index (GI) of a commercial mixed fruit juice (apple, orange, grape, and pomegranate; FJ) fortified with vitamin D3 or n-3 polyunsaturated fatty acids (PUFA) or probiotics, and their combination, and their effects on glycemic responses and salivary insulin concentrations. In a randomized controlled, double-blind, crossover study, 11 healthy participants (25 ± 2 years; five women; body mass index = 23 ± 1 kg/m2) were randomly assigned to receive five types of FJs [vitD (with vitamin D3); n-3 (with n-3 PUFA); probiotics (with Lacticaseibacillus casei Shirota and Lacticaseibacillus rhamnosus GG); vitD-n-3-probiotics FJ (combination of vitD3-n-3-probiotics), control (regular FJ)], all containing 50 g available carbohydrate, and glucose as reference drink. All FJs provided low GI values (control: 54; vitD3: 52; n-3: 51; probiotics: 50; and vitD-n-3-probiotics combination: 52, on glucose scale). Compared to the FJ control, the enriched FJs produced different postprandial glycemic and insulinemic responses and affected satiety scores. All FJ types, regardless of the added biofunctional ingredients, attenuated postprandial glycemic responses, which may offer advantages to glycemic control.
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Affiliation(s)
- Nikolaos Zacharodimos
- Laboratory of Dietetics and Quality of Life, Department of Food Science and Human Nutrition, School of Food and Nutritional Sciences, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece
| | - Christina Athanasaki
- Laboratory of Dietetics and Quality of Life, Department of Food Science and Human Nutrition, School of Food and Nutritional Sciences, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece
| | - Stamatia Vitsou-Anastasiou
- Institute of Technology of Agricultural Products, Hellenic Agricultural Organization "DIMITRA", Attiki, 14123 Lykovrisi, Greece
| | - Olga S Papadopoulou
- Institute of Technology of Agricultural Products, Hellenic Agricultural Organization "DIMITRA", Attiki, 14123 Lykovrisi, Greece
| | - Natalia Moniaki
- Laboratory of Dietetics and Quality of Life, Department of Food Science and Human Nutrition, School of Food and Nutritional Sciences, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece
| | - Agapi I Doulgeraki
- Institute of Technology of Agricultural Products, Hellenic Agricultural Organization "DIMITRA", Attiki, 14123 Lykovrisi, Greece
| | - George-John E Nychas
- Laboratory of Microbiology and Biotechnology of Foods, Department of Food Science and Human Nutrition, School of Food and Nutritional Sciences, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece
| | - Chrysoula C Tassou
- Institute of Technology of Agricultural Products, Hellenic Agricultural Organization "DIMITRA", Attiki, 14123 Lykovrisi, Greece
| | - Emilia Papakonstantinou
- Laboratory of Dietetics and Quality of Life, Department of Food Science and Human Nutrition, School of Food and Nutritional Sciences, Agricultural University of Athens, 75 Iera Odos, 11855 Athens, Greece
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Hu Z, Zhi X, Li J, Li B, Wang J, Zhu J, Zhang Z. Effects of long-term vitamin D supplementation on metabolic profile in middle-aged and elderly patients with type 2 diabetes. J Steroid Biochem Mol Biol 2023; 225:106198. [PMID: 36181990 DOI: 10.1016/j.jsbmb.2022.106198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 09/21/2022] [Accepted: 09/27/2022] [Indexed: 02/01/2023]
Abstract
To evaluate the effects of long-term vitamin D supplementation on metabolic profiles in middle-aged to elderly patients with type 2 diabetes (T2D), a randomized controlled trial was conducted among patients with T2D aged 50-70 years. A total of 270 patients underwent randomization with 135 being allocated to the vitamin D group and 135 to the control group, and participants in the vitamin D group received oral vitamin D3 (800 IU/day) for 30 months. Serum 25(OH)D and metabolic variables were measured at baseline, and after 6, 12, 18, and 30 months of intervention. After 30 months, the vitamin D group showed a greater increase in serum 25(OH)D than the control group (12.39 ± 6.99 vs 5.35 ± 5.29 ng/ml, P < 0.001). Meanwhile, changes in the levels of fasting insulin, HOMA-IR, non-high-density-lipoprotein cholesterol (non-HDL-C), high-sensitivity C-reactive protein (hs-CRP), and uric acid differed significantly between the two groups (all P < 0.05). Stratified analysis indicated that change in uric acid differed significantly between the two groups in subgroup with baseline 25(OH)D ≥ 20 ng/ml (P = 0.042) or subgroup with female patients (P = 0.034). And the change in fasting blood glucose (FBG) differed significantly between the vitamin D group (-0.30 ± 2.52 mmol/L) and the control group (0.49 ± 1.78 mmol/L, P = 0.049) among patients achieving 25(OH)D concentrations of 30 ng/ml at the end of this trial. A significant difference in the change of triglyceride was observed between the two groups among patients with obesity at baseline [0.05(-0.59, 0.23) vs 0.41(-0.01, 0.80) mmol/L, P = 0.023]. These findings suggested that long-term vitamin D supplementation significantly reduced fasting insulin, HOMA-IR, and serum concentrations of non-HDL-C, hs-CRP, and uric acid among middle-aged to elderly patients with T2D. And vitamin D status, gender, and baseline obesity may modify the effects of vitamin D supplementation.
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Affiliation(s)
- Zhiyong Hu
- School of Public Health and Management, Binzhou Medical University, 346 Guanhai Road, Yantai 264003, China; Department of Occupational and Environmental Health, School of Public Health, Medical College of Soochow University, 199 Renai Road, Suzhou 215123, China
| | - Xueyuan Zhi
- Department of Occupational and Environmental Health, School of Public Health, Medical College of Soochow University, 199 Renai Road, Suzhou 215123, China; Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, School of Public Health, Medical College of Soochow University, 199 Renai Road, Suzhou 215123, China
| | - Jiafu Li
- Department of Occupational and Environmental Health, School of Public Health, Medical College of Soochow University, 199 Renai Road, Suzhou 215123, China
| | - Bingyan Li
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, School of Public Health, Medical College of Soochow University, 199 Renai Road, Suzhou 215123, China; Department of Nutrition and Food Hygiene, School of Public Health, Medical College of Soochow University, 199 Renai Road, Suzhou 215123, China
| | - Jinxiu Wang
- School of Public Health and Management, Binzhou Medical University, 346 Guanhai Road, Yantai 264003, China
| | - Jianliang Zhu
- Lishui Center for Disease Control and Prevention, Lishui 323000, China
| | - Zengli Zhang
- Department of Occupational and Environmental Health, School of Public Health, Medical College of Soochow University, 199 Renai Road, Suzhou 215123, China; Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, School of Public Health, Medical College of Soochow University, 199 Renai Road, Suzhou 215123, China.
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Lari F, Alabduljaleel T, Mojiminiyi O, Shehab D, Al-Temaimi RA. Exploring the relationship between vitamin D and leptin hormones in type 2 diabetes mellitus patients from Kuwait. Horm Mol Biol Clin Investig 2022; 43:273-280. [PMID: 35417932 DOI: 10.1515/hmbci-2021-0091] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 03/13/2022] [Indexed: 11/15/2022]
Abstract
BACKGROUND Type 2 diabetes mellitus (T2DM) and obesity are prevalent in Kuwait. Vitamin D (VD) deficiency and leptin resistance are risk factors for both disorders. A correlation between the two risk factors has been suggested albeit inconsistently reported. Our objective was to determine the effect and association of VD and leptin levels and their related common variants with T2DM. METHODS This case-control study included 203 Kuwaiti T2DM patients and 162 healthy Kuwaiti controls. Leptin and VD levels were measured using enzyme linked immunosorbent assays. Genotyping of LEP rs7799039, LEPR rs1137101, VDR rs2228570 and rs731236 was performed using Taqman genotyping assays. RESULTS Leptin levels were higher in T2DM patients than controls, but vitamin D levels did not differ. No correlation was found between the levels of the two hormones. VDR rs731236G associated with T2DM risk (Odds ratio 1.66, p=0.0008). VDR haplotype analysis revealed GG/AA, GA/AA or GG/AG to associate with T2DM risk (p=0.01) and increased risk of diabetic neuropathy (p=0.002). VDR rs2228570GG associated with leptin levels in T2DM (p=0.01). Effect of LEP rs7799039 on leptin (p=0.01) and VD levels (p=0.02) was only evident in healthy controls. CONCLUSIONS VDR rs731236G is associated with T2DM risk in Kuwait, and a VDR haplotype of a less active, low expressing VDR is associated with T2DM and diabetic neuropathy risk. Common variants in leptin and VD related genes appear to mediate the suggested positive correlation of both hormones however their influence is disrupted in T2DM.
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Affiliation(s)
- Fatmah Lari
- Graduate medical program, Faculty of Medicine, Kuwait University, Safat, Kuwait
| | - Taiba Alabduljaleel
- Graduate medical program, Faculty of Medicine, Kuwait University, Safat, Kuwait
| | - Olusegun Mojiminiyi
- Department of Clinical Pathology, Clinical chemistry unit, Faculty of Medicine, Kuwait University, Safat, Kuwait
| | - Dia Shehab
- Department of Medicine, Faculty of Medicine, Kuwait University, Safat, Kuwait
| | - Rabeah Abbas Al-Temaimi
- Department of Clinical Pathology, Human Genetics Unit, Faculty of Medicine, Kuwait University, Safat, Kuwait
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Sitar-Tǎut AV, Cozma A, Fodor A, Coste SC, Orasan OH, Negrean V, Pop D, Sitar-Tǎut DA. New Insights on the Relationship between Leptin, Ghrelin, and Leptin/Ghrelin Ratio Enforced by Body Mass Index in Obesity and Diabetes. Biomedicines 2021; 9:biomedicines9111657. [PMID: 34829886 PMCID: PMC8615809 DOI: 10.3390/biomedicines9111657] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 10/18/2021] [Accepted: 11/08/2021] [Indexed: 12/12/2022] Open
Abstract
Currently, adipose tissue is considered an endocrine organ, however, there are still many questions regarding the roles of adipokines—leptin and ghrelin being two adipokines. The purpose of the study was to assess the relationship between the adipokines and their ratio with obesity and diabetes. Methods: Sixty patients (mean age 61.88 ± 10.08) were evaluated. Cardiovascular risk factors, leptin, ghrelin, and insulin resistance score values were assessed. The patients were classified according to their body mass index (BMI) as normal weight, overweight, and obese. Results: 20% normal weight, 51.7% overweight, 28.3% obese, and 23.3% diabetic. Obese patients had higher leptin values (in obese 34,360 pg/mL vs. overweight 18,000 pg/mL vs. normal weight 14,350 pg/mL, p = 0.0049) and leptin/ghrelin ratio (1055 ± 641 vs. 771.36 ± 921 vs. 370.7 ± 257, p = 0.0228). Stratifying the analyses according to the presence of obesity and patients’ gender, differences were found for leptin (p = 0.0020 in women, p = 0.0055 in men) and leptin/ghrelin ratio (p = 0.048 in women, p = 0.004 in men). Mean leptin/BMI and leptin/ghrelin/BMI ratios were significantly higher, and the ghrelin/BMI ratio was significantly lower in obese and diabetic patients. In conclusion, obesity and diabetes are associated with changes not only in the total amount but also in the level of adipokines/kg/m2. Changes appear even in overweight subjects, offering a basis for early intervention in diabetic and obese patients.
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Affiliation(s)
- Adela-Viviana Sitar-Tǎut
- Internal Medicine Department, 4th Medical Clinic, Faculty of Medicine, “Iuliu Hațieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (A.C.); (S.-C.C.); (O.H.O.); (V.N.)
- Correspondence:
| | - Angela Cozma
- Internal Medicine Department, 4th Medical Clinic, Faculty of Medicine, “Iuliu Hațieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (A.C.); (S.-C.C.); (O.H.O.); (V.N.)
| | - Adriana Fodor
- Clinical Center of Diabetes, Nutrition, Metabolic Diseases, Faculty of Medicine, “Iuliu Hațieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania;
| | - Sorina-Cezara Coste
- Internal Medicine Department, 4th Medical Clinic, Faculty of Medicine, “Iuliu Hațieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (A.C.); (S.-C.C.); (O.H.O.); (V.N.)
| | - Olga Hilda Orasan
- Internal Medicine Department, 4th Medical Clinic, Faculty of Medicine, “Iuliu Hațieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (A.C.); (S.-C.C.); (O.H.O.); (V.N.)
| | - Vasile Negrean
- Internal Medicine Department, 4th Medical Clinic, Faculty of Medicine, “Iuliu Hațieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania; (A.C.); (S.-C.C.); (O.H.O.); (V.N.)
| | - Dana Pop
- Department of Cardiology, Clinical Rehabilitation Hospital, Faculty of Medicine, “Iuliu Hațieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania;
| | - Dan-Andrei Sitar-Tǎut
- Business Information Systems Department, Faculty of Economics and Business Administration 58-60 Theodor Mihaly Street, “Babeş-Bolyai” University, 400591 Cluj-Napoca, Romania;
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AYYILDIZ F, YILDIRAN H, KÖKTÜRK O. Hafif dereceli obstrüktif uyku apne sendromlu olgularda D vitamini suplemantasyonunun antropometrik ölçümler ve vücut bileşimine etkisi. CUKUROVA MEDICAL JOURNAL 2021. [DOI: 10.17826/cumj.782576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Khorraminezhad L, Rudkowska I. Effect of Yogurt Consumption on Metabolic Syndrome Risk Factors: a Narrative Review. Curr Nutr Rep 2021; 10:83-92. [PMID: 33405074 DOI: 10.1007/s13668-020-00344-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/20/2020] [Indexed: 12/15/2022]
Abstract
PURPOSE OF REVIEW Metabolic syndrome (MetS) comprises risk factors such as obesity, hypertriglyceridemia, hypertension, and hyperglycemia. Here we described the outcome of various yogurt consumption, either conventional, low-fat, high-fat, Greek, or enriched with nutrients or probiotics: (1) on the parameters of MetS risk factors and (2) on the mechanisms of action of the MetS risk factors. RECENT FINDING The majority (25 studies) of clinical trials and meta-analyses of clinical trials reported a beneficial effect of yogurt consumption in the prevention of MetS risk. Yogurt components, such as calcium, vitamin D, proteins, and probiotics, were associated with the multiple beneficial effects on the prevention of MetS. In general, yogurt consumption may be promoted within healthy dietary patterns to prevent MetS. More studies are needed to determine what type of yogurt has the greatest benefits for specific MetS risk factor prevention.
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Affiliation(s)
- Leila Khorraminezhad
- Endocrinology and Nephrology Unit, CHU de Québec-Laval University Research Center, CHUL - 2705, Boulevard. Laurier, Québec, Québec, G1V 4G2, Canada
| | - Iwona Rudkowska
- Endocrinology and Nephrology Unit, CHU de Québec-Laval University Research Center, CHUL - 2705, Boulevard. Laurier, Québec, Québec, G1V 4G2, Canada. .,Department of Kinesiology, Laval University, Québec, QC, Canada.
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Vitamin C protects against chronic social isolation stress-induced weight gain and depressive-like behavior in adult male rats. Endocr Regul 2020; 54:266-274. [PMID: 33885252 DOI: 10.2478/enr-2020-0030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Objective. Considering the importance of ghrelin in stress-induced hyperphagia and a role of antioxidants in decreasing body weight, in the present study, the effect of vitamin C (VitC) on ghrelin secretion and food intake following chronic social isolation (CIS) was evaluated in rats.Methods. Thirty two male Wistar rats (200-220g) were randomly divided into: control, VitC, CIS, and CIS + VitC groups. Animals received VitC (500 mg/kg/day)/saline by gavage for 3 weeks. For 24 h cumulative and post 18-20 h fasting food intake, fasting plasma ghrelin level, and body weight were measured. Gastric histopathology was also evaluated.Results. Results showed a marked increase in fasting plasma ghrelin and food intake in stressed rats compared to controls. VitC prevented the increases in stressed rats. Histological assessment indicated a positive effect of VitC on gastric glandular cells compared to control, an effect that might partially be a reason of significant increase of plasma ghrelin levels in VitC rats. Elevated plasma ghrelin in VitC group was even higher than that one in stressed group, whereas there were no significant changes in the food intake. Assessment of the percentage of changes in body weight during 21 days showed a significant increase in stressed rats compared to controls. Vitamin C treatment prevented this increase. Stressed rats also displayed depression-like behavior as indicated by sucrose test, whereas VitC ameliorated it.Conclusions. The data of the present study indicate that VitC may overcome ghrelin-induced hyperphagia and improve the abnormal feeding and depressive behavior in CIS rats.
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Yanni AE, Kartsioti K, Karathanos VT. The role of yoghurt consumption in the management of type II diabetes. Food Funct 2020; 11:10306-10316. [PMID: 33211046 DOI: 10.1039/d0fo02297g] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Enrichment of yoghurt with specific ingrdients beneficially affects the management of Type II Diabetes Mellitus (DMII). As far as the role of yoghurt in the management of DMII is concerned, the limited number of randomized clinical trials (RCTs) which have been conducted suggest that daily intake of yoghurt enriched with vitamin D and/or calcium as well as probiotics positively influences glycemic regulation and may contribute to more effective control of the disease. It is argued that the various ingredients which are already contained in the complex matrix of food, such as bioactive peptides, calcium, B-complex vitamins and beneficial microbes, as well as the fact that it can be used as a vehicle for the inclusion of other effective ingredients can have an impact on the metabolic control of diabetic patients. The aim of this review is to present the RCTs which have been conducted in the last decade in patients with DMII in an attempt to highlight the positive effects of yoghurt in the management of the disease.
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Affiliation(s)
- Amalia E Yanni
- Laboratory of Chemistry, Biochemistry, Physical Chemistry of Foods, Department of Nutrition and Dietetics, Harokopio University, Athens, Greece.
| | - Kleio Kartsioti
- Laboratory of Chemistry, Biochemistry, Physical Chemistry of Foods, Department of Nutrition and Dietetics, Harokopio University, Athens, Greece.
| | - Vaios T Karathanos
- Laboratory of Chemistry, Biochemistry, Physical Chemistry of Foods, Department of Nutrition and Dietetics, Harokopio University, Athens, Greece.
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The effects of vitamin D supplementation on indices of glycemic control in Iranian diabetics: A systematic review and meta-analysis. Complement Ther Clin Pract 2019; 34:294-304. [DOI: 10.1016/j.ctcp.2018.12.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2018] [Revised: 12/15/2018] [Accepted: 12/16/2018] [Indexed: 12/17/2022]
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SAĞKAN ÖZTÜRK A, ARPACI A. Obezite ve Ghrelin/Leptin İlişkisi. MUSTAFA KEMAL ÜNIVERSITESI TIP DERGISI 2018. [DOI: 10.17944/mkutfd.328412] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
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12
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Vitamin D fortification of foods and prospective health outcomes. J Biotechnol 2018; 285:91-101. [PMID: 30176270 DOI: 10.1016/j.jbiotec.2018.08.010] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 07/23/2018] [Accepted: 08/22/2018] [Indexed: 12/19/2022]
Abstract
Vitamin D is essential for bone health and has significant roles in non-skeletal health and organ function. Dermal synthesis through exposure to ultraviolet B light is the major natural source of vitamin D, while only a small portion of the necessary amount can be acquired by a diet without fortified foods. In recent years, vitamin D deficiency as a result of lifestyles with inadequate sun exposure, has received increased attention due to its association with the increased risk of serious chronic diseases. This review summarizes our current understanding of food fortification strategies with vitamin D and the resulting health impact. Conventional and biotechnological approaches can be used for the production of new and novel vitamin D rich or vitamin D fortified foods. The availability of a wider range of every-day consumed fortified foods as part of a "Daily D" public health policy can contribute to the improvement of vitamin D status and to prevention of vitamin D deficiency.
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Szostaczuk N, Sánchez J, Konieczna J, Palou A, Picó C. Leptin Intake at Physiological Doses Throughout Lactation in Male Wistar Rats Normalizes the Decreased Density of Tyrosine Hydroxylase-Immunoreactive Fibers in the Stomach Caused by Mild Gestational Calorie Restriction. Front Physiol 2018; 9:256. [PMID: 29618984 PMCID: PMC5871795 DOI: 10.3389/fphys.2018.00256] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 03/06/2018] [Indexed: 01/30/2023] Open
Abstract
Introduction: Gestational under nutrition in rats has been shown to decrease expression of sympathetic innervation markers in peripheral tissues of offspring, including the stomach. This has been linked to lower gastric secretion and decreased circulating levels of ghrelin. Considering the critical role of leptin intake during lactation in preventing obesity and reversing adverse developmental programming effects, we aimed to find out whether leptin supplementation may reverse the above mentioned alterations caused by mild gestational calorie restriction. Methods: Three groups of male rats were studied at a juvenile age (25 days old) and during adulthood (3 and 6 months old): the offspring of ad libitum fed dams (controls), the offspring of dams that were diet restricted (20%) from days 1 to 12 of gestation (CR), and CR rats supplemented with a daily oral dose of leptin (equivalent to 5 times the average amount they could receive each day from maternal milk) throughout lactation (CR-Leptin). The density of TyrOH-immunoreactive (TyrOH+) fibers and the levels of Tyrosine hydroxylase (TyrOH)-used as potential markers of functional sympathetic innervation-were measured in stomach. Plasma leptin and ghrelin levels were also determined. Results: Twenty five-day-old CR rats, but not CR-Leptin rats, displayed lower density of TyrOH+ fibers (-46%) and TyrOH levels (-47%) in stomach compared to controls. Alterations in CR animals were mitigated at 6 months of age, and differences were not significant. Adult CR-Leptin animals showed higher plasma ghrelin levels than CR animals, particularly at 3 months (+16%), and a lower leptin/ghrelin ratio (-28 and -37% at 3 and 6 months, respectively). Conclusion: Leptin intake during lactation is able to reverse the alterations in the density of TyrOH+ fibers in the stomach and normalize the increased leptin/ghrelin ratio linked to a mild gestational calorie restriction in rats, supporting the relevance of leptin as an essential nutrient during lactation.
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Affiliation(s)
- Nara Szostaczuk
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Nutrigenomics and Obesity), University of the Balearic Islands, Palma, Spain.,CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Palma, Spain
| | - Juana Sánchez
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Nutrigenomics and Obesity), University of the Balearic Islands, Palma, Spain.,CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Palma, Spain.,Instituto de Investigación Sanitaria Illes Balears (IdISBa), Palma, Spain
| | - Jadwiga Konieczna
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Nutrigenomics and Obesity), University of the Balearic Islands, Palma, Spain.,Instituto de Investigación Sanitaria Illes Balears (IdISBa), Palma, Spain
| | - Andreu Palou
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Nutrigenomics and Obesity), University of the Balearic Islands, Palma, Spain.,CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Palma, Spain.,Instituto de Investigación Sanitaria Illes Balears (IdISBa), Palma, Spain
| | - Catalina Picó
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Nutrigenomics and Obesity), University of the Balearic Islands, Palma, Spain.,CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Palma, Spain.,Instituto de Investigación Sanitaria Illes Balears (IdISBa), Palma, Spain
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