Preparation method and application of microbial agent composition for strengthening bean paste post-fermentation
A technology for fermentation inoculum and composition, which is applied in the field of preparation of fermented inoculum composition after strengthening watercress, can solve the problems of low water sublimation efficiency of the composition, increased freeze-drying cost, long freeze-drying time, etc., and can achieve amino nitrogen Improve and avoid the effect of excessive extrusion force and axis deviation
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[0041] Such as Figure 1 to Figure 8 Shown, a kind of preparation method that is used for strengthening the post-fermentation bacterium composition of watercress according to the present invention; The preparation method of this composition comprises the following steps:
[0042] S1: Inoculate the halophilic Tetradococci in the logarithmic growth phase in the improved mMRS medium and culture at 25-35°C for 5-7 days. The plate count method detects that the number of viable bacteria is about 120 CFU / g or more. Fermentation is completed, and the fermentation broth is added. Add porous starch, sucrose and glycerin to the mixture, and freeze-dry it through a freeze dryer for 25-45 hours at a temperature of -42°C to -48°C, and freeze-dry it in a vacuum to obtain a halophilic tetradococcus bacterial agent; The addition of Synococcus bacteria in the watercress in the normal post-fermentation period is combined with fermentation to promote the accumulation of 4-ethylguaiacol during the...
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[0049] As an embodiment of the present invention, a guide post is fixedly connected to the axial position of the storage case 14 inside the storage box 14; a guide hole is opened at the axial position of the grinding disc 3, and the guide post is slidably connected to the guide post. The inside of the hole; the inside of the grinding disc 3 is provided with a condensation tank 31; the inside of the condensation tank 31 is injected with low-temperature condensate;
[0050] When working, by setting the guide post, the grinding disc 3 and the storage box 14 are connected to each other through the guide post to realize coaxial operation and avoid the axis deviation between the grinding disc 3 and the storage box 14. During the rotation process of the grinding disc 3 , the grinding disc 3 will not produce greater friction and collision problems with the side wall of the storage box 14, by setting up a condensation tank 31 inside the grinding disc 3, through the condensation tank 31 ...
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