A kind of preparation method of chrysanthemum solid fragrance
A technology of solid fragrance and chrysanthemum, which is applied in the direction of essential oil/fragrance, fat production, etc., can solve the problems of chrysanthemum natural aroma loss, solid fragrance aroma density loss, long inclusion time, etc., to achieve chrysanthemum aroma preservation and avoid oxidation Effect of deterioration and good water solubility
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Embodiment 1
[0027] Embodiment 1: a kind of preparation method of chrysanthemum solid fragrance, it comprises the following specific steps:
[0028] a, pulverization: select 500g of dried flowers of Chrysanthemum chrysanthemum, pulverize to 20-40 mesh;
[0029] b. Extraction: Put the pulverized material into an extraction kettle, pass in carbon dioxide, and extract at a temperature of 60°C, a pressure of 25MPa, and an entrainer of absolute ethanol. First, static extraction is performed for 0.5 hours, and then dynamic extraction time is 3 hours. , wherein dehydrated alcohol is 30% of chrysanthemum weight;
[0030] c. Analysis: the carbon dioxide supercritical fluid containing the chrysanthemum aroma extract enters the analysis kettle, and is analyzed at a temperature of 60 ° C and a pressure of 10 MPa to obtain a chrysanthemum supercritical aroma extract;
[0031] d, dewaxing: put the chrysanthemum supercritical aroma extract obtained in step c into a molecular still to remove waxy compone...
Embodiment 2
[0035] Embodiment 2: a kind of preparation method of chrysanthemum solid fragrance, it comprises the following specific steps:
[0036] a, crushing: select 2.5kg of dried flowers of Chrysanthemum chrysanthemum, and crush to 10-20 mesh;
[0037] b. Extraction: put the pulverized material into an extraction kettle, pass in carbon dioxide, and extract under the conditions of a temperature of 70°C, a pressure of 28MPa, and an entrainer of absolute ethanol. The static extraction is performed for 1 hour, and then the dynamic extraction time is 4 hours. Wherein dehydrated alcohol is 20% of chrysanthemum weight;
[0038]c. Analysis: the carbon dioxide supercritical fluid containing the chrysanthemum aroma extract enters the analysis kettle, and is analyzed at a temperature of 65°C and a pressure of 12MPa to obtain a chrysanthemum supercritical aroma extract;
[0039] d, dewaxing: put the chrysanthemum supercritical aroma extract obtained in step c into a molecular still to remove wax...
Embodiment 3
[0043] Embodiment 3: a kind of preparation method of chrysanthemum solid fragrance, it comprises the following concrete steps:
[0044] a, pulverization: select 60kg of dry flowers of Chrysanthemum chrysanthemum, pulverize to 4-20 mesh;
[0045] b. Extraction: Put the pulverized material into an extraction kettle, pass in carbon dioxide, and extract at a temperature of 50°C and a pressure of 32MPa without using an entrainer. First, static extraction takes 0.5 hours, and then dynamic extraction takes 3.5 hours;
[0046] c. Analysis: the carbon dioxide supercritical fluid containing the chrysanthemum aroma extract enters the analysis kettle, and is analyzed at a temperature of 55 ° C and a pressure of 12 MPa to obtain a chrysanthemum supercritical aroma extract;
[0047] d, dewaxing: put the chrysanthemum supercritical aroma extract obtained in step c into a molecular still to remove the waxy components; separate under the condition of vacuum degree 4Pa, scraping film speed 400r...
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