Low-pectin-content reconstituted tobacco slice base by papermaking process and preparing method thereof
A technology of reconstituted tobacco leaf and papermaking method, applied in the field of papermaking reconstituted tobacco leaf base and its preparation, can solve the problems of low practical application value, high reducing sugar content, poor enzymatic hydrolysis effect, etc., and achieve improved physical properties and good internal quality , the effect of less miscellaneous gas
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[0021] The purpose of the present invention is to provide a papermaking process reconstituted tobacco leaf base and a preparation method thereof with reduced pectin content, and the specific preparation method comprises the following steps:
[0022] After the high-consistency beating process of the paper-making reconstituted tobacco leaf production process is completed, biological enzymes are added to the tobacco pulp to enzymatically hydrolyze the pulp, and then fibers and calcium carbonate are added, followed by low-consistency beating, online papermaking, and drying. Obtain the reconstituted tobacco leaf base with reduced pectin content;
[0023] The tobacco slurry is obtained by carrying out a high-concentration beating process after the tobacco raw material passes through the extraction process. The slurry concentration is 16%-18%, and the beating degree is 18±2° SR. 3%-5%;
[0024] The bio-enzyme is Novozyme pectinase, and its composition is in weight percentage: 44.8% ...
Embodiment 1
[0031] Weigh a certain amount of 5 parts of mixed tobacco samples with stems and leaves. The weight ratio of tobacco stems, shredded tobacco leaves and tobacco powder is shown in Table 1. The solvent is water and the ratio of solid to liquid is 10:1. Extract at 90°C for 1 hour. After solid-liquid separation, the solid phase is subjected to high-consistency beating with a KRK refiner, and the beating degree is 18±2° SR. Weigh 300g of tobacco high-consistency slurry (dry weight 50g) for each portion and place them in 3000 mL beakers , add 1.4L of hot water at 50°C to make the slurry concentration 3%, 1 part does not add enzyme, and the remaining 4 parts add Novozymes 1%, 5%, 10% and 15% of the dry mass of the slurry respectively Pectinase solution (density 1.16g / mL, activity 10000U / mL), enzymatically hydrolyzed in a water bath at 50°C for 2.5h, then after adding fiber and calcium carbonate, beating at low concentration, copying on the net and drying to obtain reconstitute...
Embodiment 2
[0036] Weigh a certain amount of 2 parts of short tobacco stems, see Table 3 for the weight ratio of the feed, the solvent is water, the ratio of solid to liquid is 8:1, extract at 100°C for 1 hour, after solid-liquid separation, the solid phase is refined by KRK machine for high-concentration beating with a beating degree of 18±2° SR. Weigh 300g of tobacco stem high-concentration slurry (dry weight 50g) for each portion, place them in 3000 mL beakers, add 1.4L of 55°C hot water, Change the concentration of the slurry to 3%, add no enzyme to one part, and add Novozymes pectinase solution (density 1.16g / mL, activity 10000U / mL) to the other part, which accounts for 30% of the dry mass of the slurry, at 55 ℃ water bath for 3 hours, and then after adding fiber and calcium carbonate, the low-concentration beating process was carried out, and the whole-stem reconstituted tobacco leaf base was obtained by online printing and drying, and the standard YC / T 346-2010 "Tobacco and ...
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