Method for extracting tobacco aroma substance from tobacco raw materials in directional and combined manner by using water extraction method and supercritical CO2 extraction method
A technology of compound extraction of aroma substances, applied in the field of tobacco, can solve the problems of not being able to meet the taste requirements of reconstituted shredded tobacco, difficulty in large-scale industrial production, and single spices, so as to enhance the sense of body fluid in smoke and set off the natural smoke Fragrant, quality-enhancing effect
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Embodiment 1
[0034] Take 40kg of waste soot and extract it with 280L of water at 40°C for 1 hour, filter, concentrate the extract to a density of 1.2g / mL, take 10,000g of water-extracted concentrate, and add it to 10kg of reconstituted tobacco leaf substrate as a control sample group.
Embodiment 2
[0036] Take 40kg of waste soot, stir and extract with 200L water at 50°C for 1 hour, filter, concentrate the extract to a density of 1.2g / mL, and extract the concentrated solution with water for later use; 2 Carry out extraction, extraction condition is that extraction pot pressure is 25MPa, and extraction temperature is 40 ℃, CO 2 The flow rate is 200L / hour, the extraction time is 4 hours; the pressure of the separation tank is 5 MPa, the separation temperature is 45°C, and 115g of extract is obtained after extraction; 2 Extract 30 g, mix the two evenly and add to 10 kg of reconstituted tobacco leaf base sheet. Through sensory evaluation, compared with the control sample group, the aroma texture and aroma volume are improved, and the flue-cured tobacco aroma is clearer, more Be natural. The irritation and cleanliness are slightly reduced, and the moisturizing feeling remains good.
Embodiment 3
[0038] Take 40kg of waste soot, stir and extract with 200L water at 40°C for 1 hour, extract twice, filter, concentrate the extract to a density of 1.1g / mL, and extract the concentrated solution with water for later use; take 6kg of waste and soot with supercritical CO 2 Carry out extraction, extraction condition is that extraction pot pressure is 20MPa, and extraction temperature is 35 ℃, CO 2 The flow rate is 180L / hour, the extraction time is 3 hours; the pressure of the separation tank is 5.5 MPa, the separation temperature is 40°C, and 265g of extract is obtained after extraction; 2 Extract 20 g, mix the two evenly and add them to 10 kg of reconstituted tobacco leaf base sheet. Through sensory evaluation, compared with the control sample group, the aroma texture and aroma volume have improved compared with the control sample group, and the smoke aroma is more transparent and full Some, the sweetness is somewhat apparent, and the degree of stimulation and cleanliness is sli...
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