Concentrated tea capable of effectively enhancing human body immunity and preparation method thereof
A technology for concentrating tea and immunity, which can be used in medical preparations containing active ingredients, tea substitutes, pharmaceutical formulas, etc., and can solve the problems of poor old tea leaves, waste of resources, old and dead leaves
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Embodiment 2
[0014] Example 2: Take 30 parts of mulberry leaves, 20 parts of tea leaves, 20 parts of mulberries, 20 parts of cinnamon, 5 parts of Chinese yam, and 5 parts of dried ginger, and combine them with water for three times. Decocting for 2.5 hours, adding water for the second time is 11 times the weight of the medicinal material, decocting for 1.5 hours, adding water for the third time is 9 times the weight of the medicinal material, decocting for 45 minutes, combining the decoction, 0.07MPa, 60-70℃ Concentrate under reduced pressure to 65°C when the relative density is 1.20, add 95% (v / v) ethanol to make the alcohol content reach 80% (v / v), stir, let stand for 24 hours, filter, the filtrate is at 0.07MPa, 65 Concentrate under reduced pressure at 65°C to a relative density of 1.30, and recover ethanol to obtain a concentrated solution, which is spray-dried (conditions are that the inlet air temperature is 110°C, the outlet air temperature is 80°C, and the material temperature is 70...
Embodiment 3
[0015] Example 3: Take 40 parts of mulberry leaves, 30 parts of tea leaves, 25 parts of mulberries, 24 parts of cinnamon, 4 parts of Chinese yam, and 3 parts of dried ginger, and combine them with water for three times. Decoct for 3 hours, add water for the second time to 13 times the weight of the medicinal material, decoct for 2 hours, add water for the third time to 11 times the weight of the medicinal material, decoct for 1 hour, combine the decoction, decompress at 0.07MPa, 60-70℃ When concentrated to 65°C, the relative density of the extract is 1.20, add 95% (v / v) ethanol to make the alcohol content reach 85% (v / v), stir, let stand for 24 hours, filter, the filtrate is at 0.07MPa, 65 Concentrate under reduced pressure at 65°C to a relative density of 1.30, and recover ethanol to obtain a concentrated solution, which is spray-dried (conditions are that the inlet air temperature is 120°C, the outlet air temperature is 90°C, and the material temperature is 90°C. ℃, the atom...
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