【成份】
1061 BRAIN HEART INFUSION AGAR WITH SOIL EXTRACT
Brain heart infusion broth (BD-Difco) 37.0 g
Soil extract 1.0 L
Agar 15.0 g
Soil extract: Suspend 400 g of air-dried garden soil in 1.0 L of tap water and autoclave at 121C for 1 hr. Use the clear supernatant after sedimentation for a few hours and centrifugation.