Ginger oil nanoemulsion and preparation method thereof
A technology of nanoemulsion and ginger oil, which is applied in the field of nanoemulsion, can solve problems such as nanoemulsions that have not been seen before, and achieve good antibacterial effect, retain antibacterial ability, and good stability
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Embodiment 1
[0029] Step 1: wash the ginger and cut it into thin slices, dry it with hot air at 35° C. for 20 hours, pulverize it, and pass through a 60-mesh sieve to obtain ginger powder with a water content of 8%.
[0030] At a temperature of 32°C and a pressure of 35MPa, supercritical CO 2 After extracting the ginger powder for 2.5 minutes, it was separated under a pressure of 5 MPa, and the ginger oleoresin with a α-zingiberene content of 150 mg / g was collected. Feed speed is 0.8ml / min, heating temperature is 40 ℃, and cooling temperature is 3 ℃, under the condition that wiper rotating speed is 120r / min, carry out molecular distillation to ginger oleoresin, the distillate that obtains is described ginger essential oil .
[0031]Step 2: In terms of parts by mass, after mixing the ginger essential oil and the ginger oleoresin according to a mass ratio of 1:1 to obtain 80 parts by mass of the ginger oil, take 1000 parts by mass of deionized water and add it to 90 parts by mass Parts of ...
Embodiment 2
[0033] Step 1: Wash the ginger and cut it into thin slices, dry it with hot air at 45° C. for 28 hours, pulverize it, and pass through a 60-mesh sieve to obtain ginger powder with a water content of 5%.
[0034] At a temperature of 38°C and a pressure of 45MPa, supercritical CO 2 After extracting ginger powder for 3.5 hours, it was separated under a pressure of 7 MPa, and ginger oleoresin with α-zingiberene content of 161 mg / g was collected. Feeding speed is 1.2ml / min, and heating temperature is 50 ℃, and cooling temperature is 6 ℃, and under the condition that wiper rotating speed is 180r / min, carry out molecular distillation to ginger oleoresin, the distillate that obtains is described ginger essential oil .
[0035] Step 2: In terms of parts by mass, after mixing the ginger essential oil and the ginger oleoresin according to a mass ratio of 1:1 to obtain 100 parts by mass of the ginger oil, take 1000 parts by mass of deionized water and add it to 110 parts by mass Parts o...
Embodiment 3
[0037] Step 1: Wash the ginger and cut it into thin slices, dry it with hot air at 40° C. for 25 hours, pulverize it, and pass through a 60-mesh sieve to obtain ginger powder with a water content of 6%.
[0038] At a temperature of 35°C and a pressure of 40MPa, supercritical CO 2 After extracting the ginger powder for 3 hours, it was separated under a pressure of 6 MPa, and ginger oleoresin with an α-zingiberene content of 155 mg / g was collected. Feeding speed is 1.0ml / min, and heating temperature is 45 ℃, and cooling temperature is 5 ℃, under the condition that wiper rotating speed is 150r / min, carry out molecular distillation to ginger oleoresin, the distillate that obtains is described ginger essential oil .
[0039] Step 2: In terms of parts by mass, after mixing the ginger essential oil and the ginger oleoresin according to a mass ratio of 1:1 to obtain 90 parts by mass of the ginger oil, take 1000 parts by mass of deionized water and add it to 100 parts by mass Parts o...
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