Cutch extracts preparation method for tobacco and application thereof
A technology of extract and catechu, which is applied in the field of preparation of tobacco catechu extract, to achieve the effects of enhanced comfort, rich aroma and simple preparation process
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Embodiment 1
[0015] 1) Take 100g of catechu and put it in a 3000ml distillation flask, add 2000ml of 0.5% lactic acid aqueous solution to the catechu, soak for 1h, heat and reflux under normal pressure to extract 4 times, each time for 1h, filter after cooling, respectively Keep the filtrate for 3 times;
[0016] 2) Combine the filtrates in step 1), and concentrate under reduced pressure at 60°C to 3 times the weight of the catechu raw material to obtain the desired tobacco catechu extract.
[0017] Take the catechu extract obtained above, add 0.1% of the extract to the dry weight of the shredded tobacco, dissolve it in pure water and evenly spray it on the blank shredded tobacco according to the feeding process of conventional feeding, and dry the shredded tobacco at 65°C. Dried to a moisture content of 16%, made into cigarettes.
Embodiment 2
[0019] 1) Take 100g of catechu and place it in a 3000ml distillation flask, add 1500ml of ethanol solution with a volume fraction of 50% to the catechin, soak for 2 hours, heat and reflux under normal pressure for 3 times, each time for 4 hours, filter after cooling, and separate Keep the filtrate for 4 times;
[0020] 2) The filtrates in step 1) were combined and concentrated under reduced pressure at 55°C to twice the weight of the catechu raw material to obtain the desired tobacco catechu extract.
[0021] Take the catechu extract obtained above, add 0.01% of the extract to the dry weight of the shredded tobacco, dissolve it in pure water and evenly spray it on the blank shredded tobacco according to the feeding process of conventional feeding, and dry the shredded tobacco at 55°C. Dried to a moisture content of 12%, made into cigarettes.
Embodiment 3
[0023] 1) Put 100g of catechu into a 3000ml distillation flask, add 1000ml of ethanol solution with a volume fraction of 95% to the catechin, soak for 1h, heat and reflux under normal pressure to extract 4 times, each time for 2h, cool and filter, respectively Take 2 filtrates;
[0024] 2) Combine the filtrates in step 1), concentrate under reduced pressure at a temperature of 65°C to 4 times the weight of the catechu raw material, and obtain the desired tobacco catechu extract.
[0025] Take the catechu extract obtained above, add 0.05% of the extract to the dry weight of the shredded tobacco, dissolve it in pure water and spray it evenly on the blank shredded tobacco according to the conventional feeding procedure, and dry the shredded tobacco at 60°C. Dried to a moisture content of 14%, made into cigarettes.
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