# 190: YpSs MEDIUM


## Main sol. 190

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

1. pH to 6.5. Sterilize at 121°C for 15 min.