Preparation method of alpinia japonica extract and application thereof in personal care products
A technology of personal care and extract, which is applied in the field of personal care products, can solve the problems such as the application of alpinia alpinica extract in personal care products, and achieve the effects of good scalp itching, reduced degradation, and simple extraction process
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Embodiment 1
[0022] Example 1 Preparation of Ginger Extract
[0023] Follow the steps below to prepare Alpinia officinalis extract:
[0024] 1) Grinding and squeezing fresh mountain ginger to obtain ginger residue and ginger juice;
[0025] 2) Add water to the ginger dregs, the weight ratio of ginger dregs to water is 1:0.7, mix the two evenly and let stand for 30-45 minutes, collect the water-soluble matter, and use the remaining ginger dregs for later use;
[0026] 3) Mix the water-soluble matter obtained in step 2) and the ginger juice obtained in step 1) uniformly, and perform supercritical carbon dioxide extraction, the extraction temperature is 35°C, the extraction pressure is 20MPa, the extraction time is 3h, and the carbon dioxide flow rate is 10L / h, After the extraction is finished, control the separation temperature to 35° C., control the separation pressure to 3 MPa, and collect the extract.
[0027] 4) Add water to the ginger residue in step 2), the amount of water is twice t...
Embodiment 2
[0029] Example 2 Preparation of Ginger Extract
[0030] Follow the steps below to prepare Alpinia officinalis extract:
[0031] 1) Grinding and squeezing fresh mountain ginger to obtain ginger residue and ginger juice;
[0032] 2) Add water to the ginger dregs, the weight ratio of ginger dregs to water is 1:3, mix the two evenly and let stand for 30-45 minutes, collect the water-soluble matter, and use the remaining ginger dregs for later use;
[0033] 3) Mix the water-soluble matter obtained in step 2) with the ginger juice obtained in step 1), and perform supercritical carbon dioxide extraction, the extraction temperature is 50°C, the extraction pressure is 50MPa, the extraction time is 1h, and the carbon dioxide flow rate is 25L / h, After the extraction, the separation temperature was controlled at 55° C., the separation pressure was controlled at 10 MPa, and the extract was collected.
[0034] 4) Add water to the ginger residue in step 2), the amount of water is 4 times t...
Embodiment 3
[0036] Example 3 Preparation of Ginger Extract
[0037] Follow the steps below to prepare Alpinia officinalis extract:
[0038] 1) Grinding and squeezing fresh mountain ginger to obtain ginger residue and ginger juice;
[0039] 2) Add water to the ginger dregs, the weight ratio of ginger dregs to water is 1::2, mix the two evenly and let stand for 30-45 minutes, collect the water-soluble matter, and use the remaining ginger dregs for later use;
[0040] 3) Mix the water-soluble matter obtained in step 2) and the ginger juice obtained in step 1) evenly, and perform supercritical carbon dioxide extraction, the extraction temperature is 44°C, the extraction pressure is 35MPa, the extraction time is 2h, and the carbon dioxide flow rate is 15L / h, After the extraction, the separation temperature was controlled at 45°C, the separation pressure was controlled at 6MPa, and the extract was collected.
[0041] 4) Add water to the ginger residue in step 2), the amount of water is 3 time...
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