Preparation method of Mao cigarette extract and application of Mao cigarette extract to cigarette filter stick
A technology of cigarette filter rods and extracts, which is applied in the field of preparation of tobacco extracts, can solve the problems of complex components of extracts, decline in smoking quality, no separation operation, etc., to improve pleasure and richness, and increase content , the effect of short extraction time
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Embodiment 1
[0016] Weigh 1 kg of shredded Shifang Mao tobacco leaf fragments, put them into the extraction kettle, start the vacuum pump to extract the air in the extraction kettle, use butane as the main solvent, and add it into the extraction kettle according to the mass ratio of tobacco leaves: main solvent = 1:2 , adding 5% ethanol as an entrainer, under the process conditions of a temperature of 45°C and a pressure of 0.3Mpa, continuous extraction twice, each extraction time is 0.5h. After the extraction is completed, the fume extract is obtained by separating in the separation kettle. Pass the Maoyan extract through the chromatographic column, the adsorbent is macroporous resin, pass through the column with 2 times the amount of raw material distilled water, the flow rate is 3BV / h, discard the water eluent; then use 2 times the amount of 20% ethanol as the raw material to elute, The flow rate was 3BV / h, and the eluent was discarded; finally, 3 times the amount of 70% ethanol was use...
Embodiment 2
[0020] Weigh 1 kg of crushed Shifang Mao tobacco leaf fragments, put them into the extraction kettle, start the vacuum pump to extract the air in the extraction kettle, use isobutane as the main solvent, and add it to the extraction kettle according to the mass ratio of tobacco leaves: main solvent = 1:2.5 10% ethanol was added as an entrainer, and under the process conditions of a temperature of 35°C and a pressure of 0.5Mpa, continuous extraction was performed twice, and each extraction time was 1h. After the extraction is completed, the fume extract is obtained by separating in the separation kettle. Pass the Maoyan extract through the chromatographic column, the adsorbent is macroporous resin, pass through the column with 2 times the amount of raw material distilled water, the flow rate is 2BV / h, discard the water eluent; then use 2 times the amount of 50% ethanol as the raw material for elution, The flow rate was 2BV / h, and the eluent was discarded; finally, 3 times the a...
Embodiment 3
[0024] Weigh 1kg of pulverized tobacco leaf fragments, put it into the extraction kettle, start the vacuum pump to extract the air in the extraction kettle, use butane as the main solvent, and add it into the extraction kettle according to the mass ratio of tobacco leaves: main solvent=1:3, Add 15% ethanol as an entrainer, and extract twice continuously at a temperature of 25°C and a pressure of 0.8Mpa, and each extraction time is 0.5h. After the extraction is completed, the fume extract is obtained by separating in the separation kettle. Chromatographic column separation: pass the Maoyan extract through the chromatographic column, the adsorbent is macroporous resin, use 2 times the amount of raw material distilled water to pass through the column, the flow rate is 3BV / h, discard the water eluent; then use 30% ethanol as raw material 2 Double volume elution, flow rate 2BV / h, discard the eluent; finally use 70% ethanol raw material for 3 times volume elution, flow rate 2BV / h, c...
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