A kind of preparation method of Danzhu liquid
A technology of bamboo liquid and red bamboo is applied in food preparation, food ingredients as taste improver, food science and other directions, which can solve the problems of complex equipment and difficult control, and achieve the effect of improving color and stability.
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Embodiment 1
[0022] A preparation method of Danzhu liquid, comprising the steps of:
[0023] 1) Select 100kg of fresh red bamboo, wash it, cut it into small pieces of 3-5cm, add 100kg of pure water, smash it to obtain bamboo pulp;
[0024] 2) High-pressure treatment: put the bamboo pulp into a high-pressure tank, pressurize to 30MPa, make the pressure uniform, and keep it for 10 minutes to return to normal pressure;
[0025] 3) Enzymolysis: adjust the pH 6 of the high-pressure treated bamboo pulp, place it in a sealed fermentation tank, add a compound enzyme of cellulase and sucrase for enzymolysis, the enzymolysis time is 12 hours, and the enzymolysis temperature is 43-45 ℃, the weight ratio of cellulase and sucrase is 4:1, and the amount of compound enzyme added is 60mg / kg;
[0026] 4) Filtration: Suction filter the bamboo pulp after enzymolysis, collect the filtrate, then pass the filtrate through microfiltration, the pore size of the microfiltration membrane is 0.08 μm, and collect th...
Embodiment 2
[0029] A preparation method of Danzhu liquid, comprising the steps of:
[0030] 1) Select 100kg of fresh red bamboo, wash it, cut it into small pieces of 3-5cm, add 100kg of pure water, smash it to obtain bamboo pulp;
[0031] 2) High-pressure treatment: put the bamboo pulp into a high-pressure tank, pressurize to 20MPa, make the pressure uniform, and keep it for 20min to return to normal pressure;
[0032] 3) Enzymolysis: adjust the pH5 of the bamboo pulp after high-pressure treatment, place it in a sealed fermentation tank, add a compound enzyme of cellulase and sucrase for enzymolysis, the enzymolysis time is 24 hours, and the enzymolysis temperature is 43-45 ℃, the weight ratio of cellulase and sucrase is 4:1, and the amount of compound enzyme added is 80mg / kg;
[0033] 4) Filtration: Suction filter the bamboo pulp after enzymolysis, collect the filtrate, then pass the filtrate through microfiltration, the pore size of the microfiltration membrane is 0.12 μm, and collect ...
Embodiment 3
[0036] A preparation method of Danzhu liquid, comprising the steps of:
[0037] 1) Select 100kg of fresh red bamboo, wash it, cut it into small pieces of 3-5cm, add 100kg of pure water, smash it to obtain bamboo pulp;
[0038] 2) High-pressure treatment: put the bamboo pulp into a high-pressure tank, pressurize to 25MPa, make the pressure uniform, and keep it for 15 minutes to return to normal pressure;
[0039] 3) Enzymolysis: adjust the pH of the high-pressure treated bamboo pulp to 5.5, place it in a sealed fermenter, add a compound enzyme of cellulase and sucrase to carry out enzymolysis, the enzymolysis time is 18 hours, and the enzymolysis temperature is 43 -45°C, the weight ratio of cellulase and sucrase is 4:1, and the amount of compound enzyme added is 70mg / kg;
[0040] 4) Filtration: Suction filter the enzymolyzed bamboo pulp first, collect the filtrate, then pass the filtrate through microfiltration, the microfiltration membrane has a pore size of 0.10 μm, and coll...
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