Preparation method and application of enzymolyzed-oxidized amyloid cigarette humectant
A technology of humectant and oxidized starch for tobacco is applied in the field of cigarettes, which can solve the problems of few raw material sources, complicated preparation process and high cost, and achieve the effects of reducing consumption of tobacco leaves, widening sources and improving processing resistance.
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Embodiment 1
[0024] Example 1 . Add 350g of potato starch into water to make 30% starch milk, adjust the pH of the system to about 6, then add 5.5mg of medium-temperature α-amylase (enzyme activity is 100,000U / g), react at 75°C for 100min, Enzyme inactivation is carried out, followed by cooling, dehydration, drying, crushing and sieving to obtain enzymatic starch. Add enzymatic starch to ethanol / water (V / V=70:30) solution to make 36% starch milk, then use 2% sodium hydroxide aqueous solution to adjust the pH value of starch milk to 8-10. Add 19g of sodium hypochlorite within 1-2 hours, and react at 50°C for 8 hours. In addition, during the reaction process, 2% aqueous sodium hydroxide solution should be added dropwise to stabilize the pH value at 8-10. After the reaction, use 10 % hydrochloric acid ethanol / water solution to neutralize to neutral, and reduce excess sodium hypochlorite with sodium sulfite, and finally dehydrate, wash, dry, pulverize and sieve to obtain enzymatic-oxidized st...
Embodiment 2
[0025] Example 2 . Add 350g of potato starch into water to make 30% starch milk, adjust the pH of the system to about 6, then add 7mg of medium-temperature α-amylase (enzyme activity is 100000U / g), react at 75°C for 150min, and proceed Enzyme inactivation, followed by cooling, dehydration, drying, crushing and sieving to obtain enzymatic starch. Add enzymatic starch to ethanol / water (V / V=70:30) solution to make 36% starch milk, then use 2% sodium hydroxide aqueous solution to adjust the pH value of starch milk to 8-10. Add 30g of sodium hypochlorite within 1-2 hours and react at 50°C for 8 hours. In addition, during the reaction process, 2% sodium hydroxide aqueous solution should be added dropwise to stabilize the pH value at 8-10. After the reaction, use 10 % hydrochloric acid ethanol / water solution to neutralize to neutral, and reduce excess sodium hypochlorite with sodium sulfite, and finally dehydrate, wash, dry, pulverize and sieve to obtain enzymatic-oxidized starch. ...
Embodiment 3
[0026] Example 3 . Add 350g of sorghum starch into water to make 30% starch milk, adjust the pH of the system to about 6, then add 40mg of high-temperature-resistant α-amylase (enzyme activity is 10000U / mL, react at 100°C for 120min, then carry out Inactivate the enzyme, and perform cooling, dehydration, drying, crushing and sieving in sequence to obtain the enzymatic starch.Add the enzymatic starch to the ethanol / water (V / V=75:25) solution to make 37% starch milk , and then use 2% sodium hydroxide aqueous solution to adjust the pH value of starch milk to 8-10, add 45g potassium permanganate within 1-2 hours, and react at 50°C for 10 hours. In addition, during the reaction process, it should be continuously Add 2% aqueous sodium hydroxide solution dropwise to stabilize the pH value at 8-10. After the reaction, neutralize to neutral with 10% ethanol / water solution of hydrochloric acid, and reduce excess potassium permanganate with sodium sulfite, and finally Carry out dehydra...
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