Preparation method of water-soluble astaxanthin nanoemulsion and preparation method of heating type anti-fatigue eyeshade
A kind of astaxanthin, water-soluble technology, applied in the field of materials, can solve the problems of poor solubility, instability, and limit the practical application of natural astaxanthin, and achieve the effect of improving visual fatigue, high temperature stability, prevention and visual fatigue
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Embodiment 1
[0030] This implementation case shows a preparation method of a water-soluble astaxanthin nanoemulsion according to the following steps: Tween 80 is used as an emulsifier, and absolute ethanol is used as a co-emulsifier. The specific method is as follows:
[0031] 1) Mix Tween 80: absolute ethanol at a mass ratio of 1:1, stir magnetically at room temperature until fully dissolved, and record it as solution A.
[0032] 2) The astaxanthin extract was dissolved in absolute ethanol to reach a mass concentration of 10 mg / mL, which was recorded as astaxanthin ethanol solution.
[0033] 3) Add the astaxanthin ethanol solution to the solution A while stirring at room temperature according to the mass ratio of 1:2, and the obtained mixed solution is referred to as the solution B.
[0034] 4) Add corn oil to solution B at a ratio of 1:8 by mass to solution B, stir magnetically at room temperature until uniform, and record it as solution C.
[0035] 5) Add deionized water to solution C ...
Embodiment 2
[0037] This implementation case shows a preparation method of a water-soluble astaxanthin nanoemulsion according to the following steps: Tween 80 is used as an emulsifier, and absolute ethanol is used as a co-emulsifier. The specific method is as follows:
[0038] 1) Mix Tween 80: absolute ethanol at a mass ratio of 2:1, stir magnetically at room temperature until fully dissolved, and record it as solution A.
[0039] 2) The astaxanthin extract was dissolved in absolute ethanol to reach a mass concentration of 12 mg / mL, which was recorded as astaxanthin ethanol solution.
[0040] 3) The astaxanthin ethanol solution was added to the A solution at room temperature with stirring according to the mass ratio of 1:3, and the obtained mixed solution was recorded as the B solution.
[0041] 4) Add corn oil to solution B according to the mass ratio of 10%, stir magnetically at room temperature until uniform, and record it as solution C.
[0042] 5) Add deionized water into solution C ...
Embodiment 3
[0044] This implementation case shows a preparation method of a water-soluble astaxanthin nanoemulsion according to the following steps: Tween 80 is used as an emulsifier, and absolute ethanol is used as a co-emulsifier. The specific method is as follows:
[0045] 1) Mix Tween 80: absolute ethanol at a mass ratio of 1:2, stir magnetically at room temperature until fully dissolved, and record it as solution A.
[0046] 2) The astaxanthin extract was dissolved in absolute ethanol to reach a mass concentration of 13 mg / mL, which was recorded as astaxanthin ethanol solution.
[0047] 3) Add the astaxanthin ethanol solution to the A solution in a ratio of 1:4 by mass at room temperature while stirring, and add the mixed solution to the A solution, and record the mixed solution as the B solution.
[0048] 4) Add corn oil to solution B at a mass ratio of 1:12 to solution B, stir magnetically at room temperature until uniform, and record it as solution C.
[0049] 5) Add deionized wa...
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