Pharmaceutical composition for relieving asthenopia, preparation method and applications thereof
A technology for relieving visual fatigue and a composition, applied in the directions of drug combinations, medical preparations containing active ingredients, applications, etc., can solve problems such as unsatisfactory treatment methods for visual fatigue, and achieve visual fatigue relief, high safety, and toxic and side effects. small effect
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Embodiment 1
[0088] Embodiment 1 capsule
[0089] [Prescription] Dendrobium candidum 45kg, Shicasia 45kg, lingonberry 20kg, vitamin C 1.5kg, zinc gluconate 1.0kg and vitamin A 0.8kg.
[0090] 【Preparation】
[0091] (1) Weigh Dendrobium candidum according to the prescription amount, add purified water 12 times the weight of the medicine, and extract by microboiling once, extract for 2 hours each time, filter, and when the filtrate is concentrated to 80°C, the relative density is 1.20 to obtain the Dendrobium candidum extract, which is set aside;
[0092] (2) After crushing Cassia chinensis according to the prescription amount, add purified water with 8 times the weight of the drug and extract by microboiling twice, extracting for 2 hours each time, filter, and concentrate the filtrate to a relative density of 1.05 at 80°C to obtain Cassia syringae extract paste, set aside;
[0093] (3) Weigh cranberries according to the prescription amount, add 6 times the weight of the drug in acidic eth...
Embodiment 2
[0095] Example 2 tablet
[0096] [Prescription] Dendrobium candidum 60kg, Shicasia 30kg, lingonberry 25kg, vitamin C 0.5kg, zinc gluconate 1.5kg and vitamin A 0.5kg.
[0097] 【Preparation】
[0098] (1) Weigh Dendrobium officinale according to the prescription amount, add 10 times the weight of the drug in purified water for micro-boiling extraction for the first time, add 8 times the weight of the drug in purified water for micro-boiling extraction for the second time, extract for 1 hour each time, filter, and concentrate the filtrate When reaching 80 DEG C, the relative density is 1.15, to obtain the Dendrobium officinale extract paste, which is set aside;
[0099] (2) Weigh Cassia chinensis according to the prescription amount, crush it, add purified water 6 times the weight of the drug, and extract by microboiling once, extract for 1.5 hours each time, filter, and concentrate the filtrate to a relative density of 1.05 at 80°C to obtain the stone Cassia extract ointment, s...
Embodiment 3
[0102] Embodiment 3 granules
[0103] [Prescription] Dendrobium 30kg, Shicasia 60kg, Bilberry 15kg, Vitamin C 2.5kg, Zinc Gluconate 0.5kg and Vitamin A 0.2kg.
[0104] 【Preparation】
[0105] (1) Weigh the dendrobium according to the prescription amount, add purified water with 8 times the weight of the drug and extract by microboiling 3 times, extract for 1 hour each time, filter, and when the filtrate is concentrated to 80° C., the relative density is 1.10 to obtain the dendrobium extract paste, which is set aside;
[0106] (2) Weigh Cassia chinensis according to the prescription amount and pulverize it, then add purified water with 7 times the weight of the drug and extract by boiling for 3 times, extracting for 0.5h each time, filter and concentrate the filtrate to a relative density of 1.05 when the filtrate is concentrated to 80°C to obtain Cassia chinensis extract paste, set aside;
[0107] (3) Weigh cranberries according to the prescription amount, add 10 times the we...
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