Composition for relieving and treating eyestrain caused by electronic radiation, and preparation method and application thereof
A technology of electron radiation and composition, applied in the field of compositions for relieving and treating asthenopia caused by electron radiation, and compositions for relieving and treating asthenopia, and can solve the problems of large side effects, high price, unfavorable defense drugs and the like
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[0063]The rehmannia extract is prepared by the following method: mix rehmannia glutinosa and deionized water at a mass ratio of 1:10-20, decoct for 0.5-2 hours after mixing, and extract 1-3 times; collect all the extracts The liquid is concentrated under reduced pressure until the relative density of the concentrate is 1.20 to 1.23; Finally, collect the precipitate, wash the precipitate with absolute ethanol and acetone in sequence, and dry the precipitate under reduced pressure until the water content is ≤3% after washing to obtain the rehmannia glutinosa extract; the content of the rehmannia glutinosa polysaccharide in the obtained rehmannia glutinosa extract is more than 45%;
[0064] The shiitake mushroom extract is prepared by the following method: mix the fruiting bodies of shiitake mushrooms with deionization at a mass ratio of 1:15-30, and then perform ultrasonic extraction on the mixture for 20-60 minutes (ultrasonic power is 200-800W), Extracting 1 to 3 times, collec...
Embodiment 1
[0066] A composition for relieving and treating visual fatigue caused by electronic radiation, the composition is mainly prepared from the following raw materials in parts by weight: 60 parts of camelina extract, 60 parts of anthocyanin extract, rhodiola rosea extract 15 parts, 200 parts of cassia seed extract, 200 parts of green cockle seed extract, 200 parts of rehmannia glutinosa extract, 300 parts of shiitake mushroom extract.
Embodiment 2
[0068] A composition for relieving and treating visual fatigue caused by electronic radiation, the composition is mainly prepared from the following raw materials in parts by weight: 80 parts of camelina extract, 80 parts of anthocyanin extract, rhodiola rosea extract 20 parts, 200 parts of cassia seed extract, 300 parts of green cockle seed extract, 300 parts of rehmannia glutinosa extract, 400 parts of shiitake mushroom extract.
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