1
|
Ziaei R, Shahshahan Z, Ghasemi‐Tehrani H, Heidari Z, Nehls MS, Ghiasvand R. Inulin-type fructans with different degrees of polymerization improve insulin resistance, metabolic parameters, and hormonal status in overweight and obese women with polycystic ovary syndrome: A randomized double-blind, placebo-controlled clinical trial. Food Sci Nutr 2024; 12:2016-2028. [PMID: 38455215 PMCID: PMC10916604 DOI: 10.1002/fsn3.3899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 11/23/2023] [Accepted: 11/25/2023] [Indexed: 03/09/2024] Open
Abstract
Polycystic ovary syndrome (PCOS) is associated with reproductive disorders and adverse cardiometabolic risk factors that can negatively impact the general health of women. Inulin-type fructans (ITFs) are proposed to beneficially affect risk factors associated with metabolic disorders. Whether ITFs can help with the management of PCOS by modifying insulin resistance (IR) and androgen levels has not yet been explored. The aim of this study was to investigate the effects of ITFs with different degrees of polymerization on insulin resistance, blood lipids, anthropometric measures, and hormonal status in overweight and obese women with PCOS. In a randomized double-blind placebo-controlled trial, seventy-five women with PCOS aged 18-40 years old were randomly assigned to receive 10 g/day of high-performance inulin (HPI) or oligofructose-enriched inulin (OEI) or maltodextrin for 12 weeks. Biochemical and clinical outcomes were measured at baseline and after the intervention. Participants in the HPI and OEI groups experienced improvements in waist circumference, total testosterone, free androgen index, sex hormone-binding globulin, and triglycerides compared to the placebo group. Also, the number of women with irregular menses or oligomenorrhoea decreased significantly in both ITF groups. Participants in the HPI group reported lower body mass, fasting insulin, and HOMA-IR, as well as a higher quantitative insulin sensitivity check index. ITF supplementation, especially with long-chain ITFs, when given for 12 weeks may improve metabolic outcomes, androgen status and clinical manifestations in women with PCOS.
Collapse
Affiliation(s)
- Rahele Ziaei
- Department of Community Nutrition, School of Nutrition and Food ScienceIsfahan University of Medical SciencesIsfahanIran
| | - Zahra Shahshahan
- Department of Obstetrics and Gynecology, School of MedicineIsfahan University of Medical SciencesIsfahanIran
| | - Hatav Ghasemi‐Tehrani
- Fertility Department, School of MedicineIsfahan University of Medical SciencesIsfahanIran
| | - Zahra Heidari
- Department of Biostatistics and Epidemiology, School of HealthIsfahan University of Medical SciencesIsfahanIran
| | - Marilyn S. Nehls
- Department of Kinesiology and Health PromotionUniversity of KentuckyLexingtonKentuckyUSA
| | - Reza Ghiasvand
- Department of Community Nutrition, School of Nutrition and Food ScienceIsfahan University of Medical SciencesIsfahanIran
| |
Collapse
|
2
|
Ehret J, Brandl B, Schweikert K, Rennekamp R, Ströbele-Benschop N, Skurk T, Hauner H. Benefits of Fiber-Enriched Foods on Satiety and Parameters of Human Well-Being in Adults with and without Cardiometabolic Risk. Nutrients 2023; 15:3871. [PMID: 37764655 PMCID: PMC10534722 DOI: 10.3390/nu15183871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 09/01/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
Consumption of fiber-rich foods is linked to beneficial effects on chronic diseases and gut health, while implications towards improving satiety and parameters of well-being remain unclear. A randomized placebo-controlled intervention study was conducted to compare the effects of fiber-enriched foods to their non-enriched counterparts in adults over a 12-week period on selected clinical parameters-satiety, quality of life, body sensation, and life satisfaction-subjective health status, and importance of diet for well-being. Quality of life (QOL) differed significantly between intervention and control groups at baseline, throughout, and at the end of the study. No effects on satiety, satisfaction with life, or the importance of diet for well-being could be shown between groups. With higher fiber intake, body sensation ratings increased. A higher BMI was significantly associated with lower-body sensation, subjective health status and quality of life. Fiber-enriched foods do not seem to affect feeling of satiety or parameters of well-being. Larger samples and additional methods are necessary to fully explore the effect of increased fiber intake on patient-related outcomes in more detail.
Collapse
Affiliation(s)
- Janine Ehret
- Department of Applied Nutritional Psychology, Institute of Nutritional Medicine, University of Hohenheim, 70599 Stuttgart, Germany
| | - Beate Brandl
- ZIEL-Institute for Food and Health, Technical University of Munich, 85354 Freising, Germany
- Else Kroener-Fresenius-Centre of Nutritional Medicine, Clinical Nutritional Medicine, TUM School of Life Sciences, Technical University of Munich, 85354 Freising, Germany
| | - Karsten Schweikert
- Core Facility Hohenheim, University of Hohenheim, 70599 Stuttgart, Germany
| | - Rachel Rennekamp
- ZIEL-Institute for Food and Health, Technical University of Munich, 85354 Freising, Germany
- Else Kroener-Fresenius-Centre of Nutritional Medicine, Clinical Nutritional Medicine, TUM School of Life Sciences, Technical University of Munich, 85354 Freising, Germany
| | - Nanette Ströbele-Benschop
- Department of Applied Nutritional Psychology, Institute of Nutritional Medicine, University of Hohenheim, 70599 Stuttgart, Germany
| | - Thomas Skurk
- ZIEL-Institute for Food and Health, Technical University of Munich, 85354 Freising, Germany
- Else Kroener-Fresenius-Centre of Nutritional Medicine, Clinical Nutritional Medicine, TUM School of Life Sciences, Technical University of Munich, 85354 Freising, Germany
| | - Hans Hauner
- ZIEL-Institute for Food and Health, Technical University of Munich, 85354 Freising, Germany
- Else Kroener-Fresenius-Centre of Nutritional Medicine, Clinical Nutritional Medicine, TUM School of Life Sciences, Technical University of Munich, 85354 Freising, Germany
- Institute of Nutritional Medicine, School of Medicine, Technical University of Munich, 80333 Munich, Germany
| |
Collapse
|
3
|
Effects of Physical Properties of Konjac Glucomannan on Appetite Response of Rats. Foods 2023; 12:foods12040743. [PMID: 36832818 PMCID: PMC9955882 DOI: 10.3390/foods12040743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 01/30/2023] [Accepted: 02/06/2023] [Indexed: 02/11/2023] Open
Abstract
Dietary fiber has been widely used in designing foods with a high satiating capacity, as the use of satiety-enhancing food is considered to be a promising strategy for combating obesity and the overweight condition. In the present study, partially degraded konjac glucomannan (DKGM) diets with different water-holding capacities, swelling capacities, and viscosities were used to feed rats to investigate the effects of the fiber's physical properties in regulating the appetite response of the animals. The results showed that the mass and water content of the gastrointestinal chyme increased as the diet's physical properties were enhanced by the DKGM, which increased the stomach distention of the rats and promoted satiation. Besides, the hydrated DKGM elevated the chyme's viscosity, and the retention time of the digesta in the small intestine was prolonged significantly, which resulted in an increased concentration of cholecystokinin-8, glucagon-like peptide 1, and peptide tyrosine-tyrosine in the plasma, thus helping to maintain the satiety of rats. Furthermore, the results of the behavioral satiety sequence and meal pattern analysis showed that DKGM in the diets is more likely to reduce the food intake of rats by enhancing satiety rather than satiation, and will finally inhibit excessive weight gain. In conclusion, the physical properties of dietary fiber are highly related to the appetite response, which is a powerful tool in designing food with a high satiating capacity.
Collapse
|
4
|
Golzarand M, Bahadoran Z, Mirmiran P, Azizi F. Inulin intake and the incidence of cardiometabolic diseases: a prospective cohort study. Food Funct 2022; 13:10516-10524. [PMID: 36148807 DOI: 10.1039/d2fo00063f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Inulin is a prebiotic and has beneficial effects on health, such as improving the immune function, lipid profile, and gut microbiota. Some previous studies have assessed the effects of inulin supplementation on cardiometabolic diseases, but the relationship between dietary inulin and these diseases has not been investigated yet. Thus, this survey was designed to assess the potential association between the dietary intake of inulin and the incidence of cardiometabolic diseases, including cardiovascular disease (CVD), hypertension (HTN), chronic kidney disease (CKD), and type 2 diabetes (T2D) among adults. The present prospective cohort study was conducted on participants in the third wave of the Tehran Lipid and Glucose Study (2006-2008) and was followed up until March 2018. The dietary intake of inulin was estimated using a special database that reports values of inulin and oligofructose in grams per 100 g of each food. Cox proportional hazards regression showed that higher consumption of inulin was associated with a lower risk of HTN (HR: 0.79, 95% CI: 0.63 to 0.99) and T2D (HR: 0.94, 95% CI: 0.89 to 1.00). We found no relationship between higher consumption of dietary inulin and the incidence of CKD and CVD in our population. According to our results, it seems inulin from foods had a preventive effect against HTN and T2D, which are major risk factors for cardiovascular and renal events. However, more investigations are warranted.
Collapse
Affiliation(s)
- Mahdieh Golzarand
- Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Zahra Bahadoran
- Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Parvin Mirmiran
- Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran. .,Department of Clinical Nutrition and Dietetics, Faculty of Nutrition Sciences and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fereidoun Azizi
- Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| |
Collapse
|
5
|
ALPTEKİN RAİM, ÇAKIROĞLU PDFP, KİREMİTCİ APS, NEMUTLU PDE, REÇBER RAT. Inulin may prevent steatosis by suppressing Cannabinoid receptor-1 and Patatin-like phospholipase-3 expression in liver. Nutrition 2022; 103-104:111742. [DOI: 10.1016/j.nut.2022.111742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 05/09/2022] [Accepted: 05/12/2022] [Indexed: 11/27/2022]
|