Seasonal cold treating tea effervescent tablet and preparation method thereof
A technology of four-season cold tea and effervescent tablets, which can be applied in pharmaceutical formulas, tea substitutes, medical preparations containing active ingredients, etc., can solve the problems of cumbersome and time-consuming use of four-season cold tea, and improve the utilization value , Easy to use, easy to produce and carry
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[0033] The present invention also provides a preparation method of four-time cold tea effervescent tablets, which specifically includes the following steps:
[0034] 1) Preparation of Sishi cold tea extract powder:
[0035] After cold soaking the dry Sishi Ganmao tea for 0.5h, add 10-15 times the amount of water for reflux extraction. The reflux extraction temperature is 55-95℃, and the extraction times are 2~3 times, 0.5~2 hours each time. The extracts are combined , Filter, and concentrate the filtrate to an extract with a relative density of 1.25 to 1.35 at 80°C and a vacuum of 0.07 MPa, let it cool, add 4 to 6 times of 50 to 80% ethanol, stir and let stand for 24 to 72 hours, and then filter out. Clear liquid, recover ethanol under reduced pressure at 70°C and 0.07MPa until it has no alcohol taste, continue to concentrate at 80°C to a thick paste with a relative density of 1.20-1.30, dry it with a spray dryer, and crush it through a 40-100 mesh sieve. Extract powder.
[0036] 2...
Embodiment 1
[0041] A four-time cold tea effervescent tablet is specifically prepared by the following steps:
[0042] After crushing the dried Sishi Ganmao tea and cold soaking for 0.5h, add 10 to 13 times the amount of water for reflux extraction. The reflux extraction temperature is 80℃, the extraction times are 2 times, and the material-liquid ratio of the first reflux extraction is 1: 13. The second reflux extraction material-liquid ratio is 1:10, 0.5-2 hours each time, the extracts are combined, filtered, and the filtrate is concentrated to an extract with a relative density of 1.25 to 1.35 at 80°C and a vacuum of 0.07MPa , Let cool, add 4-6 times 50-80% ethanol, stir evenly and let stand for 24 to 72h, filter the supernatant, recover ethanol under reduced pressure at 70℃ and 0.07MPa until there is no alcohol smell, continue to concentrate at 80℃ To a thick paste with a relative density of 1.20 to 1.30, dry it with a spray dryer, and crush it through a 40-100 mesh sieve to obtain extrac...
Embodiment 2
[0045] A four-time cold tea effervescent tablet is specifically prepared by the following steps:
[0046] After crushing the dried Sishi Ganmao tea and cold soaking for 0.5h, add 10-15 times the amount of water for reflux extraction. The reflux extraction temperature is 75℃, the extraction times are 3 times, and the material-liquid ratio of the first reflux extraction is 1: 15. The second and third reflux extracting material-liquid ratios are both 1:10, 0.5-2 hours each time, the extracts are combined, filtered, and the filtrate is concentrated to a relative density of 1.25~ at 80°C and a vacuum of 0.07MPa. 1.35 extract, let cool, add 4-6 times 50-80% ethanol, stir and let stand for 24 to 72 hours, filter the supernatant, and recover ethanol under reduced pressure at 70°C and 0.07MPa until there is no alcohol smell. Concentrate at 80°C to a thick paste with a relative density of 1.20-1.30, dry it with a spray dryer, and pulverize through a 40-100 mesh sieve to obtain extract powd...
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