Journal
NUTRIENTS
Volume 15, Issue 15, Pages -Publisher
MDPI
DOI: 10.3390/nu15153311
Keywords
multiple sclerosis; dietary acid load; potential renal acid load; net endogenous acid production; plant-based protein; animal-based protein; case-control study
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This study investigated the association between dietary acid load (DAL) and multiple sclerosis (MS) using potential renal acid load (PRAL) and net endogenous acid production (NEAP) scores. The findings suggest that higher PRAL and NEAP scores may be associated with increased odds of MS, while a higher intake of plant-based protein may be protective.
This study aimed to investigate the association between dietary acid load (DAL) and multiple sclerosis (MS), through the potential renal acid load (PRAL) and net endogenous acid production (NEAP) scores. In a hospital-based case-control study of 109 patients with MS and 130 healthy individuals, a validated 168-item semi-quantitative food frequency questionnaire and a logistic regression model were used to evaluate the association between the DAL and MS. After adjusting for age (years), gender (male/female), body mass index (Kg/m(2)), and total calories (Kcal), the MS odds were 92% lower for those in the highest tertile of total plant-based protein (OR: 0.08, 95%CI: 0.03, 0.23; p-value < 0.001) and about four times higher for those in the highest tertile of the PRAL (OR: 4.16, 95%CI: 1.94, 8.91; p-value < 0.001) and NEAP scores (OR: 3.57, 95%CI: 1.69, 7.53; p-value < 0.001), compared to those in the lowest tertile. After further adjusting for sodium, saturated fatty acid, and fiber intake, the results remained significant for total plant-based protein intake (OR: 0.07, 95%CI: 0.01, 0.38; p-value = 0.002). In conclusion, a higher NEAP or PRAL score may be associated with increased odds of MS, while a higher intake of plant-based protein instead of animal-based protein may be protective.
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