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Diet-dependent net endogenous acid load of vegan diets in relation to food groups and bone health-related nutrients: results from the German Vegan Study.
Ann Nutr Metab. 2011; 59(2-4):117-26.AN

Abstract

BACKGROUND/AIMS

Dietary composition has been shown to affect acid-base homeostasis and bone health in humans. We investigated the potential renal acid load (PRAL) and the estimated diet-dependent net acid load (net endogenous acid production, NEAP) in adult vegans and evaluated the relationships between NEAP, food groups and intake of bone health-related nutrients.

METHODS

The German Vegan Study (GVS) is a cross-sectional study. Data from healthy men (n = 67) and women (n = 87), aged 21-75 years, who fulfilled the study criteria (vegan diet for ≥1 year prior to study start; age ≥18 years, and no pregnancy/childbirth during the last 12 months) were included in the analysis. NEAP values were calculated from diet composition using two models: one based on the protein/potassium quotient and another taking into account an anthropometry-based loss of urinary organic anions.

RESULTS

Mean daily intakes of phosphorus, potassium, sodium, magnesium and vitamin C were above, and vitamin D and calcium below Dietary Reference Intake (DRI). Regardless of the model used, the diet in the GVS was characterized by a nearly neutral NEAP. A strong correlation was observed between the NEAP values of the two models (r(s) = 0.873, p < 0.001). Only the consumption of fruits decreased constantly across the increasing quartiles of NEAP.

CONCLUSIONS

It can be hypothesized that vegan diets do not affect acid-base homeostasis. With respect to bone health, the significance of this finding needs further investigation.

Authors+Show Affiliations

Nutrition Physiology and Human Nutrition Unit, Institute of Food Science and Human Nutrition, Leibniz University of Hannover, Hannover, Germany. stroehle@nutrition.uni-hannover.deNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

22142775

Citation

Ströhle, Alexander, et al. "Diet-dependent Net Endogenous Acid Load of Vegan Diets in Relation to Food Groups and Bone Health-related Nutrients: Results From the German Vegan Study." Annals of Nutrition & Metabolism, vol. 59, no. 2-4, 2011, pp. 117-26.
Ströhle A, Waldmann A, Koschizke J, et al. Diet-dependent net endogenous acid load of vegan diets in relation to food groups and bone health-related nutrients: results from the German Vegan Study. Ann Nutr Metab. 2011;59(2-4):117-26.
Ströhle, A., Waldmann, A., Koschizke, J., Leitzmann, C., & Hahn, A. (2011). Diet-dependent net endogenous acid load of vegan diets in relation to food groups and bone health-related nutrients: results from the German Vegan Study. Annals of Nutrition & Metabolism, 59(2-4), 117-26. https://doi.org/10.1159/000331572
Ströhle A, et al. Diet-dependent Net Endogenous Acid Load of Vegan Diets in Relation to Food Groups and Bone Health-related Nutrients: Results From the German Vegan Study. Ann Nutr Metab. 2011;59(2-4):117-26. PubMed PMID: 22142775.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Diet-dependent net endogenous acid load of vegan diets in relation to food groups and bone health-related nutrients: results from the German Vegan Study. AU - Ströhle,Alexander, AU - Waldmann,Annika, AU - Koschizke,Jochen, AU - Leitzmann,Claus, AU - Hahn,Andreas, Y1 - 2011/12/02/ PY - 2010/08/09/received PY - 2011/08/09/accepted PY - 2011/12/7/entrez PY - 2011/12/7/pubmed PY - 2012/4/17/medline SP - 117 EP - 26 JF - Annals of nutrition & metabolism JO - Ann Nutr Metab VL - 59 IS - 2-4 N2 - BACKGROUND/AIMS: Dietary composition has been shown to affect acid-base homeostasis and bone health in humans. We investigated the potential renal acid load (PRAL) and the estimated diet-dependent net acid load (net endogenous acid production, NEAP) in adult vegans and evaluated the relationships between NEAP, food groups and intake of bone health-related nutrients. METHODS: The German Vegan Study (GVS) is a cross-sectional study. Data from healthy men (n = 67) and women (n = 87), aged 21-75 years, who fulfilled the study criteria (vegan diet for ≥1 year prior to study start; age ≥18 years, and no pregnancy/childbirth during the last 12 months) were included in the analysis. NEAP values were calculated from diet composition using two models: one based on the protein/potassium quotient and another taking into account an anthropometry-based loss of urinary organic anions. RESULTS: Mean daily intakes of phosphorus, potassium, sodium, magnesium and vitamin C were above, and vitamin D and calcium below Dietary Reference Intake (DRI). Regardless of the model used, the diet in the GVS was characterized by a nearly neutral NEAP. A strong correlation was observed between the NEAP values of the two models (r(s) = 0.873, p < 0.001). Only the consumption of fruits decreased constantly across the increasing quartiles of NEAP. CONCLUSIONS: It can be hypothesized that vegan diets do not affect acid-base homeostasis. With respect to bone health, the significance of this finding needs further investigation. SN - 1421-9697 UR - https://www.unboundmedicine.com/medline/citation/22142775/Diet_dependent_net_endogenous_acid_load_of_vegan_diets_in_relation_to_food_groups_and_bone_health_related_nutrients:_results_from_the_German_Vegan_Study_ L2 - https://www.karger.com?DOI=10.1159/000331572 DB - PRIME DP - Unbound Medicine ER -