METHOD OF DETERMINATION OF ORGANISM PROVIDING WITH VITAMIN B IN SCREENING STUDY Russian patent published in 1999 - IPC

FIELD: medicine. SUBSTANCE: invention relates to diagnosis of an organism providing with vitamin B₁. Method involves determination of indices of activity of thiamine-depending enzyme transketolase and thiamine diphoshate effect and their ratio. An adequate providing the human body with thiamine is diagnosed at the value of obtained index above 8 arbitrary units (a. u.), evident B₁ hypovitaminosis is diagnosed at the value less 6.3 a. u, and decreased providing the human body with vitamin B₁ is diagnosed at this value at the range from 6.4 to 7.9 a. u. EFFECT: increased precision of diagnosis of B₁ hypovitaminosis. 3 ex