Processing method of viable clostridium butyricum preparation and culture medium composition
A technology of Clostridium butyricum and live bacteria preparations, applied in the biological field, can solve the problems of long fermentation time and low spore rate of fermentation broth, etc., achieve short fermentation culture time, high spore maturity rate, and optimize bacterial collection The effect of the method
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Embodiment 1
[0076] 1. Activation and expansion of culture strains:
[0077] 1) Activated strain: The strain of Clostridium butyricum is separated and purified by streaking on RCM solid medium. The RCM solid medium (enhanced clostridium multiplication medium) is produced by Qingdao Haibo Biotechnology Co., Ltd., and its ingredients are: tryptone 10g / L, beef powder 10g / L, yeast powder 3g / L, and glucose 5g / L, soluble starch 1g / L, sodium chloride 5g / L, sodium acetate 3g / L, L-cysteine hydrochloride 0.5g / L, agar powder 20g / L, PH6.8-7.0.
[0078] 2) Expand the culture of strains: select a single colony on the RCM solid medium, inoculate it in 200 ml of RCM liquid medium, and place it in an anaerobic bag for anaerobic culture at 37°C for 48 hours. The RCM liquid medium is the same as above, but no agar is added.
[0079] 2. Cultivating strains in seed tanks:
[0080] A 50-liter first-level seed tank is connected to 200 ml of RCM liquid culture medium, and nitrogen is introduced into the tank from th...
Embodiment 2
[0089] 1. Activation and expansion of culture strains:
[0090] 1) Activated strain: The strain of Clostridium butyricum is separated and purified by streaking on RCM solid medium. The RCM solid medium (enhanced clostridium multiplication medium) is produced by Qingdao Haibo Biotechnology Co., Ltd., and its ingredients are: tryptone 10g / L, beef powder 10g / L, yeast powder 3g / L, and glucose 5g / L, soluble starch 1g / L, sodium chloride 5g / L, sodium acetate 3g / L, L-cysteine hydrochloride 0.5g / L, agar powder 20g / L, PH6.8-7.0.
[0091] 2) Expand the culture of strains: select a single colony on the RCM solid medium, inoculate it in 200 ml of RCM liquid medium, and place it in an anaerobic bag for anaerobic culture at 37°C for 48 hours. The RCM liquid medium is the same as above, but no agar is added.
[0092] 2. Cultivating strains in seed tanks:
[0093] A 50-liter first-level seed tank is connected to 200 ml of RCM liquid culture medium, and nitrogen is introduced into the tank from th...
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