Preparation method for Pistacia weinmannifolia tobacco essence
A technology of tobacco flavor and fragrance wood, which is applied in the direction of essential oil/fragrance, fat production, etc., can solve the problems of tobacco flavor and fragrance that have not been seen yet, and achieve good development and application prospects, good compatibility, and soft aroma effects
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Embodiment 1
[0019] Crush the air-dried fragrant wood leaves to 3-5 mesh or smash the air-dried fragrant wood branches to 3-10 mesh, and then take 10 kg of the smashed sample and put it in the carbon dioxide supercritical extraction kettle; pass through the bottom of the extraction kettle Enter carbon dioxide, the extraction pressure is 37 MPa, the extraction temperature is 40 ℃, the entrainer ethanol concentration is 50% (volume ratio), the entrainer flow rate is 0.3 mL / min, and the extraction time is 2.0 h; the extracted product is introduced into the first-stage separation vessel and controlled The pressure of the stage separation kettle is 13 MPa, the temperature at the top of the separation kettle is 45 ℃, and the temperature at the bottom of the separation kettle is 25 ℃ to obtain the first-stage decompression separation product and carbon dioxide fluid; the carbon dioxide fluid is introduced into the second-stage separation kettle, and the temperature of the carbon dioxide fluid is con...
Embodiment 2
[0023] The air-dried fragrant wood bark is crushed to 3-10 mesh, and then 50 kg of the crushed sample is put into a carbon dioxide supercritical extraction kettle; carbon dioxide is introduced from the bottom of the extraction kettle, extraction pressure 35 MPa, extraction temperature 40 ℃, entrainment The concentration of ethanol is 70% (volume ratio), the flow rate of the entrainer is 0.3 mL / min, and the extraction time is 3.5 h; the extracted product is introduced into the first-stage separator, the pressure of the first-stage separator is controlled to 13 MPa, and the top temperature of the separator is 45 ℃, the bottom temperature of the separation kettle is 25 ℃ to obtain the first-stage vacuum separation product and carbon dioxide fluid; the carbon dioxide fluid is introduced into the secondary separation kettle, and the temperature of the carbon dioxide fluid is controlled to 43 ℃ and the pressure is 4.3 MPa to obtain the secondary vacuum separation The product and carbo...
Embodiment 3
[0027] The air-dried fragrant wood leaves are crushed to 3-5 mesh, and then 30 kg of the crushed sample is put into a carbon dioxide supercritical extraction kettle; carbon dioxide is introduced from the bottom of the extraction kettle, extraction pressure 37 MPa, extraction temperature 40 ℃, entrainment The concentration of ethanol is 50% (volume ratio), the flow rate of the entrainer is 0.3 mL / min, and the extraction time is 2.0 h; the extracted product is introduced into the first-stage separator, the pressure of the first-stage separator is controlled to 13 MPa, and the top temperature of the separator is 45 ℃, the bottom temperature of the separation kettle is 25 ℃ to obtain the first-stage vacuum separation product and carbon dioxide fluid; the carbon dioxide fluid is introduced into the secondary separation kettle, and the temperature of the carbon dioxide fluid is controlled to 43 ℃ and the pressure is 4.3 MPa to obtain the secondary vacuum separation The product and car...
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