Preparation method of environment-friendly elm bark snow-melting agent
An elm bark and environment-friendly technology is applied in the field of preparation of an elm bark environment-friendly snow-melting agent. Effect
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example 1
[0018] First, weigh 300g of elm bark, crush and sieve it to obtain 100-mesh elm bark powder, add the elm bark powder to the enzymolysis tank, and add 500mL deionized water and 50mL phosphate buffer at a pH of 7.0 to the enzymolysis tank at the same time solution, stirred for 5 minutes, then added 0.5g pectinase, 1g cellulase, and 0.8g hemicellulase to the enzymolysis tank in sequence, controlled the temperature of the enzymolysis tank at 45°C, stirred and reacted for 2 hours, and when the reaction was completed, the temperature was raised to Heat to 100°C for 20 minutes, cool down to room temperature to obtain elm bark enzymolysis solution; put the above elm bark enzymolysis solution into a centrifuge at 7000r / min for centrifugation for 20 minutes, discard the impurities in the lower layer to obtain the elm bark enzymolysis supernatant, Add 5g of ascorbyl benzoate and 1g of tea polyphenols to the supernatant, stir for 10 minutes to obtain a mixed solution of elm bark extract, a...
example 2
[0021] First weigh 350g of elm bark, pulverize and sieve it to obtain 150 mesh elm bark powder, add the elm bark powder to the enzymolysis tank, and add 550mL deionized water and 60mL phosphate buffer at a pH of 7.1 to the enzymolysis tank at the same time solution, stirred for 6 minutes, then added 0.6g pectinase, 1g cellulase, and 0.9g hemicellulase to the enzymolysis tank in sequence, controlled the temperature of the enzymolysis tank at 50°C, stirred and reacted for 2.5h, and when the reaction was completed, the temperature Raise to 105°C, heat for 25 minutes, and cool down to room temperature to obtain elm bark enzymolysis solution; put the above elm bark enzymolysis solution in a 7500r / min centrifuge for 25 minutes, discard the lower impurities, and obtain the elm bark enzymolysis supernatant , add 6g of ascorbyl benzoate and 2g of tea polyphenols to the supernatant, stir for 15min to obtain a mixture of elm bark extract, and set aside; weigh 15g of sweet potato starch an...
example 3
[0024] First, weigh 400g of elm bark, crush and sieve it to obtain 200 mesh elm bark powder, add the elm bark powder to the enzymolysis tank, and add 600mL deionized water and 70mL phosphate buffer at a pH of 7.2 to the enzymolysis tank at the same time solution, stirred for 7 minutes, then added 0.7g pectinase, 2g cellulase, and 1.0g hemicellulase to the enzymolysis tank in sequence, controlled the temperature of the enzymolysis tank at 55°C, stirred and reacted for 3 hours, and when the reaction was completed, the temperature was raised to Heat to 110°C for 30 minutes, cool down to room temperature to obtain elm bark enzymolysis solution; put the above elm bark enzymolysis solution into an 8000r / min centrifuge for centrifugation for 30 minutes, discard the impurities in the lower layer to obtain the elm bark enzymolysis supernatant, Add 7g of ascorbyl benzoate and 3g of tea polyphenols to the supernatant, stir for 20min to obtain a mixed solution of elm bark extract, and set ...
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