gog CURRENT PROBLEMS ON YEASTS 



Davison's paper is that the yeast treatment was without value and might be harmful. 

 Hawk and his colleagues also stated that in some cases the laxative effect was so pro- 

 nounced that it was necessary to reduce the dosage. ^, • • • 



Very little bactericidal effect of yeast could be observed by Schugt.' This is m 

 keeping with the results of Rettger and his colleagues who found practically no effect 

 of yeast on intestinal bacteria. Fermenting yeast was said to be germicidal, but the 

 amount usually used would make it of litt'e significanze. 



I Schugt, P.: Monatschr.f. Ge\ntrtsli. u. GyniTk., 56, i44- 1921- 



