Preparation method of potato-containing mask
A technology of potatoes and facial masks, applied in skin care preparations, pharmaceutical formulations, cosmetic preparations, etc., can solve the problem of low content and achieve the effect of reducing dark circles
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Embodiment 1
[0013] A preparation method of potato facial mask specifically comprises the following steps:
[0014] (1) Select freshly picked potatoes, wash away the sundries with tap water, cut the potatoes into chunks (2cm in length, width and height), put them in a grinder and crush them through a 40-mesh sieve to obtain potato flour;
[0015] (2) Transfer the potato flour to the reaction container, add 2 times the weight of pure water at a temperature of 30°C, extract under the action of ultrasonic waves with a power of 40W for 2 hours to obtain a potato extract, and use a rotary evaporator to remove the potato extract Concentrate to 1 / 3 of the original volume, let it stand for 2 hours, and preliminarily filter to obtain the potato filtrate;
[0016] (3) Add 6 times the weight of 70% ethanol to the potato filtrate, leaching for 20 minutes in a constant temperature water bath at 50°C, under the action of ultrasonic waves with a power of 36W, and centrifuge the filtrate at a speed of 400...
Embodiment 2
[0019] A preparation method of potato facial mask specifically comprises the following steps:
[0020] (1) Select freshly picked potatoes, wash away the sundries with tap water, cut the potatoes into chunks (2cm in length, width and height), put them in a grinder and crush them through a 40-mesh sieve to obtain potato flour;
[0021] (2) Transfer the potato flour to the reaction container, add 2 times the weight of pure water at a temperature of 30°C, extract under the action of ultrasonic waves with a power of 40W for 2 hours to obtain a potato extract, and use a rotary evaporator to remove the potato extract Concentrate to 1 / 3 of the original volume, let it stand for 2 hours, and preliminarily filter to obtain the potato filtrate;
[0022] (3) Add 6 times the weight of 70% ethanol to the potato filtrate, leaching for 20 minutes in a constant temperature water bath at 50°C, under the action of ultrasonic waves with a power of 36W, and centrifuge the filtrate at a speed of 400...
Embodiment 3
[0025] A preparation method of potato facial mask specifically comprises the following steps:
[0026] (1) Select freshly picked potatoes, wash away the sundries with tap water, cut the potatoes into chunks (2cm in length, width and height), put them in a grinder and crush them through a 40-mesh sieve to obtain potato flour;
[0027] (2) Transfer the potato flour to the reaction container, add 2 times the weight of pure water at a temperature of 30°C, extract under the action of ultrasonic waves with a power of 40W for 2 hours to obtain a potato extract, and use a rotary evaporator to remove the potato extract Concentrate to 1 / 3 of the original volume, let it stand for 2 hours, and preliminarily filter to obtain the potato filtrate;
[0028] (3) Add 6 times the weight of 70% ethanol to the potato filtrate, leaching for 20 minutes in a constant temperature water bath at 50°C, under the action of ultrasonic waves with a power of 36W, and centrifuge the filtrate at a speed of 400...
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