Processing method for radix tetrastigme tea
A processing method, the technology of Clover, applied in the field of beverages, can solve the problems of poor rehydration, damage to the structure of medicinal materials, loss of active ingredients, etc., and achieve the effect of easy crushing, simple operation, and low cost
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Embodiment 1
[0024] A kind of processing method of clover green tea, concrete steps are as follows:
[0025] 1) Select the effective part: select the leaf part of the 2-3-year-old fresh raw medicinal material Clover clover at the cultivation base in June, and remove the non-medicinal part;
[0026] 2) Clean selection: The leaves collected in step 1) are removed by selection and water selection, that is, after removing rotten leaves and moth-eaten plaques, soak them in detergent with a mass fraction of 0.1% for 30 minutes, and then use Rinse with running water for 30 minutes until there is no foam, then flatten and dry to remove most of the water on the leaf surface, and freeze at -40°C overnight to maintain the freshness of the leaves;
[0027] 3) Drying: Use a cold trap to pre-cool the iron frame plate for 30 minutes until the temperature is lower than -45°C, keep it for 10 minutes, quickly take out the frozen leaves and place them on the iron frame plate, vacuumize to 2.0Pa, and freeze-d...
Embodiment 2
[0031] A kind of processing method of clover green tea, concrete steps are as follows:
[0032] 1) Select the effective part: select the leaf part of the 2-3-year-old fresh raw medicinal material Clover clover at the cultivation base in August, and remove the non-medicinal part;
[0033] 2) Clean selection: The leaves collected in step 1) are removed by selection and water selection, that is, after removing rotten leaves and moth-eaten plaques, soak them in detergent with a mass fraction of 0.1% for 30 minutes, and then use Rinse with running water for 30 minutes until there is no foam, then flatten and dry to remove most of the water on the leaf surface, and freeze at -40°C overnight to maintain the freshness of the leaves;
[0034] 3) Drying: Use a cold trap to pre-cool the iron frame plate for 20 minutes until the temperature is lower than -45°C, keep it for 10 minutes, quickly take out the frozen leaves and place them on the iron frame plate, vacuumize to 2.0Pa, and freeze...
Embodiment 3
[0038] A kind of processing method of clover green tea, concrete steps are as follows:
[0039] 1) Select the effective part: select the leaf part of the 2-3-year-old fresh raw medicinal material Clover clover at the cultivation base in September, and remove the non-medicinal part;
[0040] 2) Clean selection: The leaves collected in step 1) are removed by selection and water selection, that is, after removing rotten leaves and moth-eaten plaques, soak them in detergent with a mass fraction of 0.1% for 30 minutes, and then use Rinse with running water for 30 minutes until there is no foam, then flatten and dry to remove most of the water on the leaf surface, and store at -40°C ultra-low temperature overnight to maintain the freshness of the leaves;
[0041]3) Drying: Use a cold trap to pre-cool the iron frame plate for 25 minutes until the temperature is lower than -45°C, and keep it for 10 minutes. The frozen leaves are quickly taken out and placed on the iron frame plate, va...
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