Tobacco distillate, and preparation and application thereof
A technology of distillate and tobacco products, applied in the field of tobacco, can solve the problem of unsustainable fragrance and achieve the effect of increasing the sense of thickness
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Embodiment 1
[0035] Tobacco leaves (75g) were soaked in 450mL of 95% ethanol (mass fraction, the same below), and extracted at room temperature for 3 hours with the assistance of ultrasonic waves. After filtering, the filtrate was concentrated to remove ethanol to obtain a concentrate.
[0036] Take the concentrate (6 g) and place it under a nitrogen atmosphere, start heating from 150°C to 340°C, and collect the distillate at a rate of 5°C per minute. When no obvious substance distills out, replace the gas above the distillation residue with air, continue the distillation and increase the temperature to 400°C at a rate of 5°C per minute, and stop heating when there is no obvious liquid distillate.
[0037] The resulting distillates were combined to obtain fractions at 150-400°C.
[0038] In the same preparation method, the distillates are not combined and marked as 150-340°C fraction and 340-400°C fraction.
Embodiment 2
[0040] Add tobacco leaf (1kg) and 50mL ethanol (95%) in the supercritical extraction equipment, under the extraction pressure of 40MPa, and the extraction temperature of 50 ℃, use carbon dioxide to extract 3 hours, then the extract containing ethanol that obtains is concentrated and removed ethanol to obtain a concentrate. Take the concentrate (6g) under the atmosphere of nitrogen / air (volume ratio 20:1), and start heating at 150°C to 400°C, at a rate of 5°C per minute, when there is no obvious distillate, stop heating. The obtained distillate is the tobacco distillate.
Embodiment 3
[0042] Tobacco leaves (50g) were soaked in 300mL ethanol (95%), extracted at room temperature for 3 hours with the assistance of ultrasonic waves, filtered, and the filtrate was concentrated to remove ethanol to obtain a concentrate. Take the concentrate (6g) under a nitrogen atmosphere, and start heating from 150°C to 400°C, at a rate of 5°C per minute, and stop heating when there is no obvious distillate. The obtained distillate is the tobacco distillate.
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