Ginger oil nano emulsion and preparation method of ginger oil nano emulsion
A technology of nano-emulsion and ginger oil, applied in the field of nano-emulsion, can solve problems such as never seen nano-emulsion, and achieve the effect of good antibacterial effect, retention of 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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