# J73: EMERSON'S YEAST-STARCH AGAR


## Main sol. J73

4	g	Yeast extract (BD-Difco)	
15	g	Starch (soluble)	
1	g	K2HPO4	
0.5	g	MgSO4 x 7 H2O	
15	g	Agar	
1000	ml	Distilled water	

1. After autoclaving, adjust pH to 7.0 with sterilized 10% Na2CO3 solution.