BIOAVAILABILITY ASSESSMENT OF THE LIPOPHILIC BENFOTIAMINE AS COMPARED TO A WATER-SOLUBLE THIAMIN DERIVATIVE

被引:53
作者
BITSCH, R [1 ]
WOLF, M [1 ]
MOLLER, J [1 ]
HEUZEROTH, L [1 ]
GRUNEKLEE, D [1 ]
机构
[1] EVANGEL HOSP ST JOHANNISSTIFT,PADERBORN,GERMANY
关键词
ALLITHIAMINES; BENFOTIAMINE; THIAMIN MONONITRATE; BIOAVAILABILITY; TRANSKETOLASE; THIAMIN ABSORPTION;
D O I
10.1159/000177659
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
The bioequivalence of thiamin in 2 therapeutically used preparations was tested in 10 healthy young men. Thiamin was orally administered either as lipophilic benfotiamine or as water-soluble thiamin mononitrate. Biokinetic data, measured as area under the curve and maximal concentration in plasma and hemolysate after ingestion, demonstrated a significantly improved bioavailability from the lipophilic derivative despite an ingested dose of only 40% as compared with the water-soluble salt. A superior cellular efficacy of benfotiamine was also concluded from the short-term stimulation of the thiamin-dependent transketolase activity in erythrocytes.
引用
收藏
页码:292 / 296
页数:5
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