Preparation method and application of effective components of osmanthus fragrans
The technology of an effective component and osmanthus flower is applied in the field of preparation of the active component of golden osmanthus, can solve problems such as restricting the application of golden osmanthus, and achieve the effects of simple and feasible preparation method, mild action, and delaying skin aging.
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Embodiment 1
[0024] a, get Flos Osmanthus fragrans, add 15 times of mass percentage concentration and be 75% ethanol extraction 3 times, extract 2 hours each time, filter, concentrate, obtain concentrated solution; Wherein, the weight of gained concentrated solution is 60% of Flos Osmanthus fragrans weight;
[0025] b. Cool the concentrated solution to room temperature, take the weight of the concentrated solution as a basis, add 4 times the amount of ethanol with a mass percentage concentration of 85% for alcohol precipitation, leave it for 6 hours, filter, and concentrate to obtain the effective components of Osmanthus fragrans .
Embodiment 2
[0027] a, get Flos Osmanthus fragrans, add 20 times of mass percent concentration and extract 2 times with 75% ethanol, extract for 1 hour each time, filter, concentrate to obtain concentrated solution; wherein, the weight of the obtained concentrated solution is 55% of Flos Osmanthus fragrans weight;
[0028] b. Cool the concentrated solution to room temperature, take the weight of the concentrated solution as a basis, add 4 times the amount of ethanol with a mass percentage concentration of 80% to carry out alcohol precipitation, leave it for 8 hours, filter, and concentrate to obtain the effective components of Osmanthus fragrans . Wherein, phenoxyethanol is added to the effective components of the osmanthus fragrans, and the amount of phenoxyethanol added is 0.5% by weight of the effective components of the osmanthus fragrans.
Embodiment 3
[0030] a, get Flos Osmanthus fragrans, add 8 times of mass percentage concentration and be 70% ethanol extraction 3 times, extract 3 hours each time, filter, concentrate, obtain concentrated solution; Wherein, the weight of gained concentrated solution is 58% of Flos Osmanthus fragrans weight;
[0031] b. Cool the concentrated solution to room temperature, take the weight of the concentrated solution as a basis, add 6 times the amount of ethanol with a mass percentage concentration of 70% for alcohol precipitation, leave it for 4 hours, filter, and concentrate to obtain the effective components of Osmanthus fragrans . Add phenoxyethanol to the effective components of the golden osmanthus, and the added amount of the phenoxyethanol is 0.1% of the weight of the whole active component of the golden osmanthus.
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