Preparation process of guar gum with ultra-low viscosity
A preparation process and ultra-low viscosity technology, used in food ingredients as viscosity modifiers, food heat treatment, food drying, etc., can solve the problems of no technical system and little research on ultra-low viscosity guar gum, and achieve the preparation process. The effect of process economy
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Embodiment 1
[0016] The preparation technology of the ultra-low viscosity guar gum that present embodiment provides, comprises the following steps:
[0017] (1) Guar film cleaning: the guar film is air-selected to remove impurities such as straw, and the guar film is cleaned twice with an airflow cleaning device to obtain a clean sheet, which is then dried to a moisture content of 15%.
[0018] (2) Crushing: Crushing the dried guar gum flakes to obtain a 10-mesh powder.
[0019] (3) Enzymolysis of guar gum sheet: Dissolve 100 parts by weight of guar gum powder in step (2) in warm water at 35°C, add 5 parts by weight of potassium sorbate and 15 parts by weight of citric acid, stir and add Warm water until the guar gum is completely dissolved, and the mass concentration of guar gum is 60%%; then raise the temperature to 70°C and keep it for 1.5h; quickly cool down to 30°C, add compound mannanase for enzymatic hydrolysis, and then raise the temperature to 45°C , kept for 3h, high temperature...
Embodiment 2
[0023] The preparation technology of the ultra-low viscosity guar gum that present embodiment provides, comprises the following steps:
[0024] (1) Guar film cleaning: the guar film is air-selected to remove impurities such as straw, and the guar film is cleaned 3 times with an airflow cleaning device to obtain a clean sheet, which is then dried to a moisture content of 15%.
[0025] (2) Crushing: Crushing the dried guar gum flakes to obtain a 10-mesh powder.
[0026] (3) Enzymolysis of guar gum sheet: Dissolve 100 parts by weight of guar gum powder in step (2) in warm water at 45°C, add 10 parts by weight of potassium sorbate and 20 parts by weight of citric acid, stir and add Warm water until the guar gum is completely dissolved, and the mass concentration of guar gum is 80%; then raise the temperature to 80°C and keep it for 2 hours; quickly cool it down to 30°C, add compound mannanase for enzymatic hydrolysis, then raise the temperature to 55°C, keep 4h, high temperature ...
Embodiment 3
[0030] The preparation technology of the ultra-low viscosity guar gum that present embodiment provides, comprises the following steps:
[0031] (1) Guar film cleaning: the guar film is air-selected to remove impurities such as straw, and the guar film is cleaned 3 times with an airflow cleaning device to obtain a clean sheet, which is then dried to a moisture content of 15%.
[0032] (2) Crushing: Crushing the dried guar gum flakes to obtain a 10-mesh powder.
[0033] (3) Enzymolysis of guar gum sheet: Dissolve 100 parts by weight of guar gum powder in step (2) in warm water at 40°C, add 8 parts by weight of potassium sorbate and 18 parts by weight of citric acid, stir and add warm water until the guar gum is completely dissolved, and the mass concentration of guar gum is 75%; then the temperature is raised to 77°C and maintained for 2 hours; rapidly cooled to 30°C, and compound mannanase is added for enzymatic hydrolysis, and at the same time, 5-10 parts by weight of Polydim...
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Abstract
Description
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