Extraction method of cigar tobacco leaf essential oil
A technology of cigar tobacco leaves and an extraction method, which is applied in the directions of essential oils/spices, fat generation, etc., can solve the problems of low extraction yield and high cost, achieve high purity of essential oils, realize removal and isolation, and improve the effects of cigarette smoking quality.
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Embodiment 1
[0024] A method for extracting cigar tobacco leaf essential oil, comprising the steps of:
[0025] S1. Shred 0.5kg of cigar tobacco leaf scraps, adjust the water content to 20wt%, let stand at room temperature for 2 hours, freeze at -10°C for 2 hours, heat up to 80°C, dry to constant weight, crush, pass through a 40-mesh sieve, and 0.2kg The enzymolysis solution with an activity of 10000U / g is sprayed on the surface, then placed in a closed enzymolysis tank for enzymolysis for 10 hours, the enzymolysis temperature is 20°C, and high temperature inactivation is used to obtain enzymolysis tobacco leaves;
[0026] The biological enzymes in the above enzymolysis solution include: protease, hemicellulase;
[0027] S2. Add the enzymatically decomposed tobacco leaves into the tube furnace, raise the temperature to 160°C under the protection of nitrogen, keep it warm for 1h, and slowly lower it to room temperature at a cooling rate of 2°C / min. min, the grinding pressure is 0.15MPa to ...
Embodiment 2
[0030] A method for extracting cigar tobacco leaf essential oil, comprising the steps of:
[0031] S1. Shred 1kg of cigar tobacco leaf scraps, adjust the water content to 10wt%, let it stand at room temperature for 6 hours, freeze at -5°C for 6 hours, heat up to 70°C, dry to constant weight, crush, pass through a 100-mesh sieve, and 0.1kg of specific activity Spray an enzymolysis solution of 20000U / g on its surface, then place it in a closed enzymolysis tank for enzymolysis for 5 hours, and enzymolysis temperature is 35°C, and inactivate at high temperature to obtain enzymolysis tobacco leaves;
[0032] The biological enzymes in the above enzymolysis solution include: esterase, cellulase;
[0033] S2. Add the enzymatically hydrolyzed tobacco leaves into the tube furnace, raise the temperature to 120°C under the protection of nitrogen, keep it warm for 2h, then slowly lower it to room temperature at a cooling rate of 1°C / min, add it to the grinding kettle and grind for 30min at...
Embodiment 3
[0036] A method for extracting cigar tobacco leaf essential oil, comprising the steps of:
[0037] S1. Shred 0.6kg of cigar tobacco leaf scraps, adjust the water content to 18wt%, let stand at room temperature for 3 hours, freeze at -8°C for 3 hours, heat up to 77°C, dry to constant weight, crush, pass through a 60-mesh sieve, and mix 0.17kg with The enzymolysis solution with an activity of 13000U / g was sprayed on the surface, and then placed in a closed enzymolysis tank for enzymolysis for 8 hours, the enzymolysis temperature was 25°C, and high temperature inactivation was carried out to obtain enzymolysis tobacco leaves;
[0038] The biological enzymes in the above enzymolysis solution include: protease, amylase, ligninase;
[0039] S2. Add the enzymatically decomposed tobacco leaves into the tube furnace, raise the temperature to 150°C under the protection of nitrogen, keep it warm for 1.3h, and slowly lower it to room temperature at a cooling rate of 1.8°C / min, add it to t...
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