Method for preparing tea saponin
A technology of tea saponin and tea seed meal, which is applied in the direction of preparation of sugar derivatives, chemical instruments and methods, steroids, etc., can solve the problem of efficient utilization of tea saponin in the residual oil of tea leaves, and achieve the elimination of refining steps, The effect of superior quality and shortened extraction time
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Embodiment approach 1
[0028] The preparation method of the tea saponin that the present embodiment proposes comprises the following steps:
[0029] a. Break the tea seed meal, and vacuum extrude the crushed tea seed meal with a vacuum extrusion extruder (for example, the model is CY-32 improved type), the die hole of the vacuum extrusion extruder The hole diameter is 12-23mm, the screw speed is 60-170r / min, the sleeve temperature is 55-105°C, the vacuum degree is -0.03—-0.08Mpa, and the moisture content of tea seed meal is 11-19%. After the tea seed meal is dispersed, put it into a sealed bag, and let it dry in a refrigerator at 0-5°C.
[0030] b. Accurately weigh a certain amount of expanded tea seed meal and put it into a ball mill (for example, model MQ750×1060) for micronization by ball milling to form micronized powder. The parameters of ball milling micronization are: ball milling time 15- 80min, the ball milling speed is 115-200r / min, the filling rate of tea seed meal is 12-27%, the filling...
Embodiment approach 2
[0040] a. Carry out vacuum extrusion puffing with 20 mesh tea seed dregs with vacuum extrusion puffing machine, the aperture of the die hole of described vacuum extrusion puffing machine is 22mm, screw speed is 120r / min, sleeve temperature is 75 ℃, vacuum The temperature is -0.025Mpa, and the moisture content of the tea seed meal is 15%. After the expanded tea seed meal is dispersed, put it into a sealed bag, and let it stand and dry in a refrigerator at 0-5°C;
[0041] b. Accurately weigh a certain amount of expanded tea seed meal and put it into a ball mill for micronization by ball milling to form a micronized powder. The filling rate of the meal is 16%, the filling rate of the medium is 20%, and the micronized powder is sealed in a refrigerator at 2°C for standby;
[0042] c. Take the micronized powder in step b and mix it with cold water in a certain proportion at 2°C to obtain a mixed solution, control the temperature of the mixed solution at 2°C, and add 0.20% of the te...
Embodiment approach 3
[0046] The preparation method of the tea saponin that the present embodiment proposes comprises the following steps:
[0047] a. Carry out vacuum extrusion puffing with 35 mesh tea seed dregs with vacuum extrusion puffing machine, the aperture of the die hole of described vacuum extrusion puffing machine is 20mm, screw speed is 115r / min, sleeve temperature is 77 ℃, vacuum The temperature is -0.040Mpa, and the moisture content of the tea seed meal is 14.5%. After the expanded tea seed meal is dispersed, put it into a sealed bag, and let it dry in a refrigerator at 3°C;
[0048] b. Accurately weigh a certain amount of expanded tea seed meal and put it into a ball mill for micronization by ball milling to form a micronized powder. The filling rate of the meal is 18%, the filling rate of the medium is 21.5%, and the micronized powder is sealed in a refrigerator at 3°C for standby;
[0049] c. Take the micronized powder in step b and mix it with cold water in a certain proportio...
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