乳酸菌の増殖に及ぼすフッ化ナトリウムの影響

抄録

The multiplication of Lactic acid bacteria was checked by the existence of a small quantity of sodium fluoride.
In this case the concentration of fluorine was between 0 ppm and 1000 ppm. Sir. cremoris, Sir. lactis, L. acifclophilus and E. coli were greatly affected by sodium fluoride, but L. casei and L. bulgaricus were scarcely affected.