Cargando…
Moderate walnut consumption improved lipid profile, steroid hormones and inflammation in trained elderly men: a pilot study with a randomized controlled trial
The present study aimed to investigate the effect of walnut consumption on lipid profile, steroid hormones and inflammation in trained elderly men performing concurrent (resistance and endurance) training. Twenty healthy elderly males were divided into two matched groups, in a randomized controlled...
Autores principales: | , , , , , , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Institute of Sport in Warsaw
2020
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8139345/ https://www.ncbi.nlm.nih.gov/pubmed/34079169 http://dx.doi.org/10.5114/biolsport.2020.97676 |
_version_ | 1783695988705198080 |
---|---|
author | Kamoun, Anis Hammouda, Omar Turki, Mouna Maaloul, Rami Chtourou, Mohamed Bouaziz, Mohamed Driss, Tarak Souissi, Nizar Chamari, Karim Ayadi, Fatma |
author_facet | Kamoun, Anis Hammouda, Omar Turki, Mouna Maaloul, Rami Chtourou, Mohamed Bouaziz, Mohamed Driss, Tarak Souissi, Nizar Chamari, Karim Ayadi, Fatma |
author_sort | Kamoun, Anis |
collection | PubMed |
description | The present study aimed to investigate the effect of walnut consumption on lipid profile, steroid hormones and inflammation in trained elderly men performing concurrent (resistance and endurance) training. Twenty healthy elderly males were divided into two matched groups, in a randomized controlled trial, that trained three sessions per week: concurrent training + dietary walnut consumption (15 g/day for six weeks, CTW: n = 10); concurrent training + control diet (CT: n = 10). Fasting blood samples were taken 48 hours before and after intervention for biochemical assessments. levels of high-density lipoprotein (HDL) increased only in CTW compared to baseline (19.8%, p < 0.01). Total cholesterol (TC), low-density lipoprotein (LDL) and triglyceride (TG) levels significantly decreased only for CTW (i.e., 13%, 18%, and 18.5% at p < 0.01 for all). Testosterone (T) increased after the training compared to pre-training for CTW and CT (10.3%, p < 0.01, 4.27% p < 0.05, respectively), but the increase was significantly higher in CTW (p < 0.05). Serum cortisol (C) was lower for CTW compared to CT (p < 0.01). C-reactive protein (CRP) decreased in CTW in comparison with CT. The present study revealed that 6-week moderate walnut supplementation (15 g/day) improved lipid profile, steroid hormones and systematic inflammation in aged men performing concurrent training. These findings could be attributable to the potential effect of polyunsaturated fatty acids (PUFA) contained in walnut (linoleic acid, n-6; linolenic acid, n-3). |
format | Online Article Text |
id | pubmed-8139345 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2020 |
publisher | Institute of Sport in Warsaw |
record_format | MEDLINE/PubMed |
spelling | pubmed-81393452021-06-01 Moderate walnut consumption improved lipid profile, steroid hormones and inflammation in trained elderly men: a pilot study with a randomized controlled trial Kamoun, Anis Hammouda, Omar Turki, Mouna Maaloul, Rami Chtourou, Mohamed Bouaziz, Mohamed Driss, Tarak Souissi, Nizar Chamari, Karim Ayadi, Fatma Biol Sport Original Paper The present study aimed to investigate the effect of walnut consumption on lipid profile, steroid hormones and inflammation in trained elderly men performing concurrent (resistance and endurance) training. Twenty healthy elderly males were divided into two matched groups, in a randomized controlled trial, that trained three sessions per week: concurrent training + dietary walnut consumption (15 g/day for six weeks, CTW: n = 10); concurrent training + control diet (CT: n = 10). Fasting blood samples were taken 48 hours before and after intervention for biochemical assessments. levels of high-density lipoprotein (HDL) increased only in CTW compared to baseline (19.8%, p < 0.01). Total cholesterol (TC), low-density lipoprotein (LDL) and triglyceride (TG) levels significantly decreased only for CTW (i.e., 13%, 18%, and 18.5% at p < 0.01 for all). Testosterone (T) increased after the training compared to pre-training for CTW and CT (10.3%, p < 0.01, 4.27% p < 0.05, respectively), but the increase was significantly higher in CTW (p < 0.05). Serum cortisol (C) was lower for CTW compared to CT (p < 0.01). C-reactive protein (CRP) decreased in CTW in comparison with CT. The present study revealed that 6-week moderate walnut supplementation (15 g/day) improved lipid profile, steroid hormones and systematic inflammation in aged men performing concurrent training. These findings could be attributable to the potential effect of polyunsaturated fatty acids (PUFA) contained in walnut (linoleic acid, n-6; linolenic acid, n-3). Institute of Sport in Warsaw 2020-09-04 2021-06 /pmc/articles/PMC8139345/ /pubmed/34079169 http://dx.doi.org/10.5114/biolsport.2020.97676 Text en Copyright © Biology of Sport 2021 https://creativecommons.org/licenses/by-nc-nd/3.0/This is an Open Access article distributed under the terms of the Creative Commons Attribution-Noncommercial 3.0 Unported License, permitting all non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Original Paper Kamoun, Anis Hammouda, Omar Turki, Mouna Maaloul, Rami Chtourou, Mohamed Bouaziz, Mohamed Driss, Tarak Souissi, Nizar Chamari, Karim Ayadi, Fatma Moderate walnut consumption improved lipid profile, steroid hormones and inflammation in trained elderly men: a pilot study with a randomized controlled trial |
title | Moderate walnut consumption improved lipid profile, steroid hormones and inflammation in trained elderly men: a pilot study with a randomized controlled trial |
title_full | Moderate walnut consumption improved lipid profile, steroid hormones and inflammation in trained elderly men: a pilot study with a randomized controlled trial |
title_fullStr | Moderate walnut consumption improved lipid profile, steroid hormones and inflammation in trained elderly men: a pilot study with a randomized controlled trial |
title_full_unstemmed | Moderate walnut consumption improved lipid profile, steroid hormones and inflammation in trained elderly men: a pilot study with a randomized controlled trial |
title_short | Moderate walnut consumption improved lipid profile, steroid hormones and inflammation in trained elderly men: a pilot study with a randomized controlled trial |
title_sort | moderate walnut consumption improved lipid profile, steroid hormones and inflammation in trained elderly men: a pilot study with a randomized controlled trial |
topic | Original Paper |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8139345/ https://www.ncbi.nlm.nih.gov/pubmed/34079169 http://dx.doi.org/10.5114/biolsport.2020.97676 |
work_keys_str_mv | AT kamounanis moderatewalnutconsumptionimprovedlipidprofilesteroidhormonesandinflammationintrainedelderlymenapilotstudywitharandomizedcontrolledtrial AT hammoudaomar moderatewalnutconsumptionimprovedlipidprofilesteroidhormonesandinflammationintrainedelderlymenapilotstudywitharandomizedcontrolledtrial AT turkimouna moderatewalnutconsumptionimprovedlipidprofilesteroidhormonesandinflammationintrainedelderlymenapilotstudywitharandomizedcontrolledtrial AT maaloulrami moderatewalnutconsumptionimprovedlipidprofilesteroidhormonesandinflammationintrainedelderlymenapilotstudywitharandomizedcontrolledtrial AT chtouroumohamed moderatewalnutconsumptionimprovedlipidprofilesteroidhormonesandinflammationintrainedelderlymenapilotstudywitharandomizedcontrolledtrial AT bouazizmohamed moderatewalnutconsumptionimprovedlipidprofilesteroidhormonesandinflammationintrainedelderlymenapilotstudywitharandomizedcontrolledtrial AT drisstarak moderatewalnutconsumptionimprovedlipidprofilesteroidhormonesandinflammationintrainedelderlymenapilotstudywitharandomizedcontrolledtrial AT souissinizar moderatewalnutconsumptionimprovedlipidprofilesteroidhormonesandinflammationintrainedelderlymenapilotstudywitharandomizedcontrolledtrial AT chamarikarim moderatewalnutconsumptionimprovedlipidprofilesteroidhormonesandinflammationintrainedelderlymenapilotstudywitharandomizedcontrolledtrial AT ayadifatma moderatewalnutconsumptionimprovedlipidprofilesteroidhormonesandinflammationintrainedelderlymenapilotstudywitharandomizedcontrolledtrial |