Absorption kinetics of oxalate from oxalate-rich food in man

Autor: Peter Boer, E J Dorhout Mees, J. A. C. Prenen
Rok vydání: 1984
Předmět:
Zdroj: The American journal of clinical nutrition. 40(5)
ISSN: 0002-9165
Popis: The absorption of oxalate was investigated in a healthy subject after ingestion of oxalate-rich meals (spinach and rhubarb) with and without addition of 14C-labeled oxalic acid and calcium oxalate, and after oxalate-free meals with addition of nonlabeled sodium oxalate and calcium oxalate. Under these conditions, calcium oxalate was absorbed to the same extent as soluble oxalate; only a small percentage (2.4 +/- 0.7) of the total oxalate load was absorbed. Significant oxalate absorption occurred within 1 to 8 h after ingestion. The results suggest that under normal conditions the proximal part of the small bowel is a major absorption site.
Databáze: OpenAIRE