Process for producing butyric acid through co-culture and fermentation of bacillus amyloliquefaciens and clostridium butyricum
A technology of amyloliquefaciens and Clostridium butyricum, applied in the direction of fermentation, microorganism-based methods, bacteria, etc., can solve the problems of low production efficiency, high production cost, and many by-products, and achieve increased production efficiency, low cost, The effect of stable product quality
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Embodiment 1
[0017] The invention discloses a process for co-culturing and fermenting bacillus amyloliquefaciens and clostridium butyricum to produce butyric acid, comprising the following steps: the fermentation process is three-stage, including primary seed cultivation, secondary seed cultivation and fermentation cultivation. The shake flask seeds of Bacillus amyloliquefaciens and Clostridium butyricum were cultured for 17 hours, inoculated in the primary seed medium for primary seed culture, the inoculation amount was 0.25%, and the composition of the primary seed medium included: glucose 0.5%, yeast Soaking powder 1%, peptone 0.5%, sodium chloride 0.05%, the conditions for primary seed cultivation are: cultivation temperature 37°C, rotational speed 200rpm, cultivation time 24 hours.
[0018] Then inoculate in the secondary seed medium for secondary seed culture, the inoculation amount is 10%, the composition of the secondary seed medium includes: yeast extract powder 1%, peptone 0.5%, s...
Embodiment 2
[0021] The invention discloses a process for co-culturing and fermenting bacillus amyloliquefaciens and clostridium butyricum to produce butyric acid, comprising the following steps: the fermentation process is three-stage, including primary seed cultivation, secondary seed cultivation and fermentation cultivation. The shake flask seeds of Bacillus amyloliquefaciens and Clostridium butyricum were cultured for 17 hours, inoculated in the primary seed medium for primary seed culture, the inoculum amount was 0.25%, and the composition of the primary seed medium included: glucose 0.6%, yeast Dip powder 2%, peptone 1.0%, sodium chloride 0.2%. The conditions for primary seed cultivation are as follows: a cultivation temperature of 37° C., a rotational speed of 200 rpm, and a cultivation time of 48 hours.
[0022] Then inoculate in the secondary seed medium for secondary seed culture, the inoculation amount is 10%, the composition of the secondary seed medium includes: yeast extract ...
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