starch-casein

[mccardaj at esvx17.es.dupont.com]

In article <1994Dec1.000035.567 at acad.ursinus.edu>, kebeaulieu at acad.ursinus.edu writes:
>Has anyone ever made starch-casein agar successfully?  I'm trying to use it
>to grow Actinomyces, however, the agar separates before and after autoclave.
>Also, i would like to use rifampicin as a selecting agent--does anyone know 
>i could get rifampicin to dissolve?
> 
                                                 Thanks for any input!

To dissolve rifampicin for media amendment, suspend in a small
 volume of ethanol.  (We dissolve in 1mL of etoh for two liters of media.)