Preparation methods and application of traditional Chinese medicine composition capable of alleviating asthenopia
A technology for relieving visual fatigue and composition, applied in the field of traditional Chinese medicine, can solve the problems of exacerbation of the disease, single prescription, affecting treatment, etc.
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Embodiment 1
[0087] Embodiment 1 water extraction method prepares the traditional Chinese medicine composition for alleviating asthenopia
[0088]Method 1: Weigh 20 kg of cassia seed, 20 kg of sealwort, 20 kg of Polygonatum odoratum, 20 kg of chrysanthemum, 20 kg of orange peel and 20 kg of mulberry leaf, extract with water as solvent, soak in 0.60 tons of water for 20 minutes, heat and extract 3 times (extract 2.5h for the first time, extract 1h for the second time, extract 30min for the third time, and the extraction time of each time starts to calculate after boiling), combine the extracts, and concentrate the extracts obtained until the volume of the extracts is the 3 times the weight of the raw material to obtain a preliminary concentrated extract; further dry to a relative density of 1.0g / cm 3 of extracts.
[0089] Grind the extract obtained above into powder, weigh 1 kg of wolfberry, 1 kg of black wolfberry, and 1 kg of Chinese yam and grind into powder, and finally add 0.5 kg of e...
Embodiment 2
[0094] Embodiment 2 alcohol extraction method prepares the Chinese medicine composition for alleviating asthenopia
[0095] Method 1: Weigh 20 kg of cassia seed, 20 kg of sealwort, 20 kg of Polygonatum odoratum, 20 kg of chrysanthemum, 20 kg of orange peel and 20 kg of mulberry leaf, extract with 65% ethanol as solvent, soak 0.60 tons of 65% ethanol for 20 minutes, Heated and extracted 3 times, the first extraction was 2.5 hours, the second extraction was 1 hour, and the third extraction was 30 minutes. The extraction time of each time was calculated after boiling (the extraction time of each reflux was calculated after boiling), and the extraction liquid Merge, let stand for 24 hours, filter to take the supernatant, concentrate the supernatant to 3 times of the original medicinal material, and obtain a preliminary concentrated extract; further dry to a relative density of 1.0g / cm 3 of extracts.
[0096] Grind the extract obtained above into powder, weigh 1 kg of wolfberry, 1...
Embodiment 3
[0101] Example 3 Water extraction and alcohol precipitation method prepares the traditional Chinese medicine composition for relieving asthenopia
[0102] Method 1: Weigh 20 kg of cassia seed, 20 kg of sealwort, 20 kg of Polygonatum odoratum, 20 kg of chrysanthemum, 20 kg of orange peel and 20 kg of mulberry leaf, extract with water as solvent, add 0.60 tons of water to soak for 20 minutes, and extract by heating for 3 times (extract 2.5h for the first time, extract 1h for the second time, extract 30min for the third time, and the extraction time of each time starts to calculate after boiling), combine the extracts, and concentrate the extracts obtained until the volume of the extracts is the required 3 times of the weight of the above-mentioned raw materials to obtain a preliminary concentrated extract;
[0103] Slowly add an appropriate amount of ethanol while stirring, so that the alcohol content of the solvent is 65%, stand still for 24 hours, filter, recover ethanol from ...
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