近年における健康婦人の尿並びに血中ビタミンB_1

概要

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Thiamine levels of 24 hour's urine samples and of blood samples (total thiamine in whole blood) were determined by a conventional thiochrome method after treatment with activated Permutit. Average levels of the urine samples collected from 13 women in summer and winter were 164±121 μg and 166±134 μg, respectively. Urinary thiamine levels of 6 out of 37 samples (17%) were less than 30 μg. Most of the samples containing such low levels of thiamine were those from self-boarding students cooking for themselves. In the cases of such students, average urinary thiamine level was 60±56μg (37 samples) and 30% of the samples contained the vitamin less than 30 μg. Average blood thiamine level was 41±30 ng/ml (15 samples). Nearly half the samples showed lower levels than 40 ng/ml. Hemoglobin contents were less than normal levels in more than half the samples. Diastolic blood pressure was significantly low and patella reflex was poor in some of the students. However, no indications enough to diagnose them as beriberi were obtained. It was presumed that they would be in subclinically thiamine-deficient state.
日本ビタミン学会の論文
1979-01-25