ATCC medium: 1703 Chopped meat carbohydrates with rumen flui
中国微生物菌种查询网 / 2016-11-25 12:48:01

ATCC medium: 1703 Chopped meat carbohydrates with rumen fluid

ATCC Medium 1490 (see below) with 0.4% glucose, 0.1% cellobiose, 0.1% maltose, 0.1% starch and 15% filtered rumen fluid.

ATCC Medium 1490:

Ground beef (fat-free)...........500.0 g

Distilled water....................1.0 L

N NaOH............................25.0 ml

Mix meat, water and NaOH and bring to a boil with stirring. Cool to room temperature, skim fat from surface, and filter, retaining both meat particles and filtrate. To filtrate, add sufficient distilled water to restore volume to 1 L.

To this filtrate, add:

Trypticase Peptone (BD 211921)....30.0 g

Yeast extract......................5.0 g

K2HPO4 .............................5.0 g

0.025% Resazurin...................4.0 ml

Agar (if necessary)...............20.0 g

Boil and cool medium under 80% N2, 10% H2, 10% CO2, and add:

L-Cysteine . HCl...................0.5 g

Hemin Solution (see below)........10.0 ml

Vitamin K1 Solution (see below)....0.2 ml

Adjust medium for final pH 7.0. Anaerobically dispense 7 ml into tubes containing meat particles (1 part meat to 5 parts fluid) under the same gas phase.

Vitamin K1 Solution:

Vitamin K1.........................0.15 ml

95% Ethanol.......................30.0 ml

Store solution in brown bottle under refrigeration.

Discard after one month.

Hemin solution:

Hemin.............................50.0 mg

N NaOH.............................1.0 ml

Distilled water to...............100.0 ml

Autoclave at 121C for 15 minutes

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