B388 

RS MEDIUM BASE

Formula

Ingredients 

gms/lit.

Yeast extract

Maltose

L-cysteine hydrochloride

L-lysine hydrochloride

L-ornithine hydrochloride

Sodium thiosulphate

Ferric ammonium citrate

Sodium deoxycholate

Sodium chloride

Bromo thymol blue

Agar

3.00

3.50

0.30

5.00

6.50

6.80

0.80

1.00

5.00

0.03

13.50

Final pH (at 25°C) : 7.0 + 0.2

Directions

Suspend 45.43 gms. in 990ml. distilled water. Heat to boiling to dissolve the medium completely. DO NOT AUTOCLAVE. Cool to 45-50°C and aseptically add rehydrated content of 1 vial of Novobiocin supplement (BF083). Mix well before dispensing into sterile tubes.

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