[Vitamin B1 resorption. IV. Level of sulfhydryl groups in intestinal mucosa resorption of 35S-thiamine].
Studies have been carried on with the aim of investigating the effect of SH-groups on the absorption of 35S-thiamine in chicken's duodenum. The trial has been performed in chickens aged 56 days; as SH-groups releasing agents L-cysteine and SH-glutathion have been utilized; urea has been used in order to release SH-groups from protein molecules. The absorption of 35S-thiamine in duodenum is significantly increased in the presence of L-cysteine, SH-glutathion and urea. 35S-thiamine appears to be stored in the intestinal mucosa more conspicuously in the presence of urea. Concomitanly with the high levels of SH-groups in the duodenal mucosa, also the thiamine absorption results to be increased (P less than 0.001).
D000818:Animals; D002645:Chickens; D003545:Cysteine / Q000494:pharmacology; D005260:Female; D005978:Glutathione / Q000494:pharmacology; D007408:Intestinal Absorption / Q000187:drug effects; D007413:Intestinal Mucosa / Q000378:metabolism*; D013438:Sulfhydryl Compounds / Q000378:metabolism*; D013831:Thiamine / Q000378:metabolism*; D014508:Urea / Q000494:pharmacology
D013438:Sulfhydryl Compounds; D014508:Urea; D005978:Glutathione; D003545:Cysteine; D013831:Thiamine
La résorption de la vitamine B1. IV. Teneur en groupes sulfhydrils dans la muqueuse intestinale et résorption de la 35S-thiamine.