A kind of preparation method of Danzhu liquid
A technology of bamboo liquid and red bamboo, applied in the field of preparation of red bamboo liquid, can solve problems such as complicated equipment and difficult control, and achieve the effects of low recycling cost, low cost, and improved 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 500kg of pure water, smash it to obtain bamboo pulp;
[0024] 2) Water extraction: boil the bamboo pulp for 3-5 minutes, add 500 kg of boiled purified water cooled to room temperature, and then naturally cool to room temperature to obtain a water extraction mixture;
[0025] 3) Enzymolysis: adjust the pH of the water extraction mixture to 6, place it in a sealed fermentation tank, add a compound enzyme of cellulase and sucrase for enzymolysis, the enzymolysis time is 12 hours, the enzymolysis temperature is 43-45°C, the fiber The weight ratio of sucrase 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 ultrafiltration, cut off the hollow fiber ultrafiltration membrane...
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 600kg of pure water, smash it to obtain bamboo pulp;
[0031] 2) Water extraction: boil the bamboo pulp for 3-5 minutes, add 500 kg of boiled purified water cooled to room temperature, and then naturally cool to room temperature to obtain a water extraction mixture;
[0032] 3) Enzymolysis: adjust the pH of the water extraction mixture to 5, place it in a sealed fermentation tank, add a compound enzyme of cellulase and sucrase for enzymolysis, the enzymolysis time is 24 hours, the enzymolysis temperature is 43-45°C, the fiber The weight ratio of sucrase 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 ultrafiltration, cut off the hollow fiber ultrafiltration membrane...
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 500kg of pure water, smash it to obtain bamboo pulp;
[0038] 2) Water extraction: boil the bamboo pulp for 3-5 minutes, add 600 kg of boiled purified water cooled to room temperature, and then naturally cool to room temperature to obtain a water extraction mixture;
[0039] 3) Enzymolysis: adjust the pH of the water extraction mixture to 5.5, place it in a sealed fermentation tank, add a compound enzyme of cellulase and sucrase for 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 bamboo pulp after enzymolysis, collect the filtrate, then pass the filtrate through ultrafiltration, intercept the hollow fiber ultrafiltration membran...
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