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J Nutr Sci Vitaminol (Tokyo). 1976 Aug;22 SUPPL:63-8.

Absorption, utilization and clinical effectiveness of allithiamines compared to water-soluble thiamines.

Abstract

Oral administration of lipid-soluble allithiamines [thiamine propyl disulfide (TPD) and thiamine tetrahydrofurfuryl disulfide (TTHF)] rapidly increased thiamine activity in whole blood, red blood cells, cerebrospinal fluid, and urine in normal and thiamine-deficient subjects. These thiamine congeners also restored red blood cell transketolase to normal in alcoholics with thiamine deficiency. Such repletion equaled that produced by parenteral, water-soluble thiamine hydrochloride (THCl) or thiamine pyrophosphate (TPP). Oral administration of water-soluble thiamines (THCl, TPP) neither elevated thiamine activity in biological fluids nor restored transketolase activity to normal in alcoholics with thiamine deficiency presumably due to their rate-limited intestinal transport. Oral administration of TPD eliminated lateral rectus palsy in patients with Wernicke's encephalopathy. Orally administered allithiamine vitamers are therefore recommended for prophylaxis and treatment of thiamine deficits because while having essentially the same biological properties as parenterally administered water-soluble thiamines they have not produced any untoward effects after long-term administration and are far more efficiently utilized.

PMID:
978282
[Indexed for MEDLINE]

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