Preparation method of Boschniakia rossica health tea
The technology of health-care tea and filtrate is applied in the field of health-care beverages, which can solve the problems of product promotion limitation and inability to take during puerperium, and achieve the effects of being convenient to carry, easy to drink, and having a sweet and sour taste.
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[0028] A kind of ageless grass health tea, the formula is: 60g of ageless grass, 25g of hawthorn, 20g of jujube, 5g of citric acid, and 2g of stevia;
[0029] Its preparation method comprises the following steps:
[0030] ① After selecting and removing impurities from the old grass, wash, cut into small pieces of 5-20mm, soak for 2 hours, add 5 times of pure water to decoct 3 times, each time for 1.5 hours, filter, combine the filtrate, and save the filter residue for later use;
[0031] ② Add 2 times the volume of 80-95% ethanol to the filtrate in step ①, stir evenly, place at 4°C for 16 hours, filter, recover ethanol from the filtrate to obtain extract a;
[0032] 3. The filter residue of step 1. is extracted with 85% ethanol under reflux, and the filtrate reclaims ethanol to obtain extract b;
[0033] ④Wash the hawthorn and jujube, soak for 1 hour, add 5 times of pure water and decoct twice for 1 hour each time, filter, and combine the filtrate to obtain the extract c;
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