TO 



to 



30 



S 20 



A 





BL pa rat typhosus 



8 



S 



60 



I SO 



30 



ZO 



fO 



O 



/---. 



v\ 



-N 





/' 



B. acidi lactic i 



^A 



S ^ 



4> 



(0 



B.faecaiis alKallgene% 



/"' 





J0 



Budijsenterlae, Shiga 



Chart 3. The formation by bacteria of amino-acid and ammonia from peptone. 



