Preparation method of safe granular food drying agent
A dry and granular technology for food, applied in separation methods, chemical instruments and methods, and dispersed particle separation, etc., can solve problems such as limited adsorption capacity, human hazards, and unfriendly environment, and achieve high moisture absorption rate, strong adsorption capacity, The effect of preventing moisture and oxidation
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example 1
[0017] First weigh 8 kg of fresh plantain taro massive rhizomes, wash them 3 times with deionized water, then add them to a beater, add 1L of deionized water to pulverize and make pulp, collect the slurry, and filter the slurry with 60 mesh gauze to obtain filtrate and filter residue , let the filtrate stand for 1 hour, remove the supernatant, then add 1L of deionized water, stir evenly at 300r / min and let it stand, repeat the above washing operation twice, and then filter under reduced pressure to obtain coarse starch, and filter the residue with deionized After washing twice with water, put it in a drying oven, and dry it at 105°C to constant weight to obtain the crude fiber of plantain taro, which is set aside; then weigh 1.0 kg of the above-mentioned crude starch and add it to 10 L of deionized water, and stir and mix it evenly at 300 r / min to obtain Mixed solution, and adjust the pH of the mixed solution to 9.5 with a mass fraction of 10% sodium hydroxide solution, then he...
example 2
[0020]First take by weighing 9kg fresh plantain taro massive rhizomes, wash 4 times with deionized water, then add it in the beater, add 1.5L deionized water to pulverize and make pulp, collect the slurry, and filter the slurry with 60 mesh gauze to obtain the filtrate and Filter the residue, let the filtrate stand for 1.5h, remove the supernatant, then add 1.5L deionized water, stir evenly at 350r / min and let it stand, repeat the above washing operation 3 times, then obtain coarse starch by suction filtration under reduced pressure, and filter the residue Wash twice with deionized water, place in a drying oven, and dry at 108°C to constant weight to obtain crude fiber of canna taro, which is set aside; then weigh 1.1kg of the above crude starch and add it to 11L of deionized water, and stir at 400r / min Mix evenly to obtain a mixed solution, and adjust the pH of the mixed solution to 9.8 with a mass fraction of 10% sodium hydroxide solution, then heat to 38°C, keep the temperat...
example 3
[0023] First weigh 10 kg of fresh plantain taro massive rhizomes, wash them 5 times with deionized water, then add them to a beater, add 2L of deionized water to pulverize and make pulp, collect the slurry, and filter the slurry with 60 mesh gauze to obtain filtrate and filter residue , let the filtrate stand for 2 hours, remove the supernatant, then add 2L of deionized water, stir evenly at 400r / min and then let it stand, repeat the above washing operation 4 times, then obtain coarse starch by suction filtration under reduced pressure, and filter the residue with deionized After washing with water for 3 times, put it in a drying oven, and dry it at 110°C to a constant weight to obtain the crude fiber of plantain taro, which is set aside; then weigh 1.2kg of the above-mentioned crude starch and add it to 12L of deionized water, and stir and mix it evenly at 500r / min to obtain Mixed solution, and adjust the pH of the mixed solution to 10.0 with a mass fraction of 10% sodium hydr...
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