Composition with function of relieving visual fatigue, preparation method and application
A technology for relieving visual fatigue and composition, which is applied in the direction of medical preparations containing active ingredients, drug combinations, active ingredients of hydroxyl compounds, etc., and can solve problems such as visual fatigue that cannot be solved
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[0045] The present application also provides a preparation method of the aforementioned composition having the function of alleviating visual fatigue, comprising the following steps:
[0046] (a) extracting blueberries to obtain blueberry paste;
[0047] (b) Put 500-1000 parts of medlar into water and decoct to obtain a density of 1.30-1.36g / cm 3 the first concentrate;
[0048](c) mixing the first concentrate with 640-800 parts of blueberry cream, 1-1.8 parts of nicotinamide, and 1-1.8 parts of lutein to obtain a composition capable of alleviating visual fatigue.
[0049] Extracting the blueberry paste in step (a) can be prepared by the aforementioned method, which will not be repeated here. In one implementation of step (b), 500 to 1000 parts of Lycium barbarum can be put into water and decocted at least once, wherein the mass ratio of Lycium barbarum to water is 1:6 to 10, and each decoction time is 1 ~2 hours. Here, the decocting step may only be decocted once, or may b...
Embodiment 1
[0056] Take 700g of medlar, add 6 times the amount of medicinal materials to decoct once for 1 hour each time, filter, combine the filtrate, concentrate the filtrate under reduced pressure to a relative density of 1.30-1.36 (measured at 60°C), and set aside. Take 640g of blueberry paste and mix it with the above concentrate, add 1.0g of nicotinamide and 1.0g of lutein, and mix to obtain composition paste 1.
Embodiment 2
[0058] Take 700g of medlar, add 8 times the amount of medicinal materials to decoct once for 1 hour each time, filter, combine the filtrate, concentrate the filtrate under reduced pressure to a relative density of 1.30-1.36 (measured at 60°C), and set aside. Take 640g of blueberry paste and mix it with the above concentrate, add 1.0g of nicotinamide and 1.0g of lutein, and mix to obtain composition paste 2.
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