Skin lotion containing natural citrus components and preparation method
A technology for skin care water and citrus, which is applied to skin care preparations, pharmaceutical formulations, cosmetic preparations, etc., can solve the problem of low utilization rate, and achieve the effects of reducing resource waste, inhibiting bacterial growth, and increasing utilization methods.
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Embodiment 1
[0036] Extraction of flavonoids from citrus peel
[0037] 1) Sample preparation. Pick the citrus zest, wash and dry.
[0038] 2) Extraction. Add 70%-90% (v / v) ethanol at 4-5 times the volume of skin dregs, extract at 70-75°C for 2-3 hours, reflux and filter to obtain the filtrate; then add 3-4 times the amount of 70% ethanol to the filter residue -80% (v / v) ethanol, extract at 70-75°C for 2-3h, reflux and filter to obtain a filtrate; combine the filtrates.
[0039] 3) concentrated. The collected filtrate is concentrated at 45-60°C until there is no alcohol smell, then the concentrated solution is released, concentrated to 1 / 3-1 / 4 of the volume of the extract, and the concentrated solution is collected.
[0040] 4) Ethanol recovery, recycling.
[0041] 5) Storage. Store the obtained concentrate in a cold storage.
Embodiment 2
[0043] Skin care water production process
[0044] 1) Recipe
[0045] Phase A: glycerin 2% to 10%, propylene glycol 2% to 10%, absolute ethanol 2% to 10%;
[0046] Phase B: citrus flavonoid extract 0.1% to 4%, aloe extract 0% to 2%;
[0047] Phase C: citrus essential oil 0.1% to 1%;
[0048] Phase D: the balance of deionized water;
[0049] Phase E: citric acid, potassium hydroxide.
[0050] 2) Process
[0051] ①Take the phase A reagent and mix well;
[0052] ② Add the components of Phase B to Phase A in sequence;
[0053] ③Take an appropriate amount of essential oil in phase C and dissolve it in the solution;
[0054] ④ Add phase D to the mixture in ③ and set the volume to 100ml;
[0055] ⑤ Add phase E and adjust the pH to 4.5-7.5;
[0056] ⑥Remove the bubbles; store in a refrigerator at 4°C.
Embodiment 3
[0058] Optimum Lotion Formula
[0059] Prepare lotion according to the process of Example 2, the list of ingredients is as follows:
[0060] Table 1
[0061] Element % by mass Deionized water 72.43％ glycerin 10.00％ Propylene Glycol 8.00％ Absolute ethanol 6.00％ Citrus Flavonoid Extract 2.00％ Aloe Vera Extract 1.00％ citrus essential oil 0.50％ sodium hydroxide 0.05％ citric acid 0.02％
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