分娩前後におけるビタミンB_2代謝に関する研究 : (I)分娩前後における負荷ビタミンB_2の尿中排泄および乳汁への移行の状況と血中ビタミンB_2量について

概要

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Investigations were made on the urinary excretion and transfer to milk of riboflavin parenterally administered as well as its concentration in the blood prior to and after the administration of riboflavin to women who progressed on a normal course of pregnancy and labor. The requirement of mothers for riboflavin increased at the end of pregnancy, but it decreased during the period from parturition to the beginning of lactation, while the requirement of mothers nursing sufficiently was larger than that of insufficient lactation. Subcutaneous injection of riboflavin indicated that the rate of increase of the vitamin in the milk was highest 2 and 3 hours after its administration. No remarkable change was recognized in the riboflavin concentration in the blood before and after the delivery.
日本ビタミン学会の論文