Abstract
This was compared with 6 other various Fe-medicaments and reducing Fe, on the action of tannic acid in the Japanese-tea as usually.
Using the Electric-Spectrophotometer (reported by T. Morikawa's method), we have made an experiments of the tannic acid and Fe-medicaments in the artificial gastric juice referning to the literature written on this subject. From the above exmeriments the following conclusions were obtained.
It is no particular lost of Fe by tannic acid has been noticed. On the basis of the various points listed above, it is considered that the take no teas at the time when Fe-medicaments.
