Rose essence and preparation method thereof
An essence, rose technology, applied in pharmaceutical formulations, cosmetic preparations, cosmetic preparations, etc., can solve the problems of rose essence's weak resistance to free radicals, complex supply process, and reduced effective activity, so as to enhance the anti-free radicals. Aging function, reduce pigmentation, eliminate active effect
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Embodiment 1
[0027] Crush and clean: Use deionized water to clean the fresh rose petals, and wait for the water on the surface of the rose petals to evaporate;
[0028] Pretreatment: Place the rose petals in a low-temperature environment for refrigeration, where the refrigeration temperature is -7°C and the refrigeration time is 2.5 hours;
[0029] Pulverizing: pulverizing the pretreated rose petals;
[0030] Extraction: Introduce carbon dioxide into the high-pressure supercritical extraction kettle, and the flow rate of carbon dioxide is 34m 2 / h, raise the temperature of the extraction kettle to 27°C, and the pressure to 34MPa to make the carbon dioxide into a supercritical state, then put the crushed rose petals into the extraction kettle, and extract for 44min;
[0031] Purification: Take the product in the extraction kettle and put it into deionized water, stir evenly for 25 minutes and then filter to obtain rose flower water;
[0032] Synthesis of rose essence: 65kg of water, 22kg ...
Embodiment 2
[0034] Crush and clean: Use deionized water to clean the fresh rose petals, and wait for the water on the surface of the rose petals to evaporate;
[0035] Pretreatment: Place the rose petals in a low-temperature environment for refrigeration, where the refrigeration temperature is -5°C and the refrigeration time is 2 hours;
[0036] Pulverizing: pulverizing the pretreated rose petals;
[0037] Extraction: Introduce carbon dioxide into the high-pressure supercritical extraction kettle, and the flow rate of carbon dioxide is 32m 2 / h, raise the temperature of the extraction kettle to 29°C, and the pressure to 36MPa to make the carbon dioxide into a supercritical state, then put the crushed rose petals into the extraction kettle, and extract for 42 minutes;
[0038] Purification: Take the product in the extraction kettle and put it into deionized water, stir evenly for 25 minutes and then filter to obtain rose flower water;
[0039] Synthesis of rose essence: 68kg of water, 20...
Embodiment 3
[0041] Crush and clean: Use deionized water to clean the fresh rose petals, and wait for the water on the surface of the rose petals to evaporate;
[0042] Pretreatment: Place the rose petals in a low-temperature environment for refrigeration, where the refrigeration temperature is -9°C and the refrigeration time is 2 hours;
[0043] Pulverizing: pulverizing the pretreated rose petals;
[0044] Extraction: Introduce carbon dioxide into the high-pressure supercritical extraction kettle, and the flow rate of carbon dioxide is 32m 2 / h, raise the temperature of the extraction kettle to 29°C, and the pressure to 32MPa to make the carbon dioxide into a supercritical state, then put the crushed rose petals into the extraction kettle, and extract for 46 minutes;
[0045] Purification: Put the product in the extraction kettle into deionized water, stir evenly for 30 minutes, and then filter to obtain rose flower water;
[0046] Synthesis of rose essence: mix 68kg of water, 20kg of b...
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