Method for producing casein through dry sterilization
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A technology of casein and dry method, which is applied in the preparation method of peptides, chemical instruments and methods, animal/human peptides, etc., to achieve the effect of improving the level of automation control, simple equipment, saving water, electricity and human resources
Inactive Publication Date: 2016-02-10
GANSU PULUO BIOTECH
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[0004] The purpose of this invention is to provide a kind of dry sterilization method for producing casein, to solve the deficiencies of existing sterilization technology
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[0022] 2. A method for producing casein by dry sterilization, specifically comprising the following steps,
[0023] Dissolution: Put 200kg of koji into a 2-ton dissolution tank, add auxiliary materials, and dissolve for 50 minutes at a dissolution temperature of 55°C and a dissolution pH of 9.5-10.0.
[0024] Filtration: through double-layer gauze to remove impurities in the feed liquid.
[0025] Centrifugation: Centrifuge the filtrate to remove fat and impurities, and keep the feed temperature between 50 and 55°C.
[0026] Acid point: After degreasing, adjust the temperature of the feed liquid to 40°C, add hydrosulfite, sodium sulfite and sodium metabisulfite, use dilute hydrochloric acid with a Baume degree of 4.5 to precipitate casein, adjust the pH of the feed liquid to 4.4-4.6, and make th...
[0036] 2. A method for producing casein by dry sterilization, specifically comprising the following steps,
[0037] Dissolution: Put 200kg of koji into a 2-ton dissolution tank, add auxiliary materials, and dissolve for 50 minutes at a dissolution temperature of 55°C and a dissolution pH of 9.5-10.0.
[0038] Filtration: through double-layer gauze to remove impurities in the feed liquid.
[0039] Centrifugation: Centrifuge the filtrate to remove fat and impurities, and keep the feed temperature between 50 and 55°C.
[0040] Acid point: After degreasing, adjust the temperature of the feed liquid to 40°C, add hydrosulfite, sodium sulfite and sodium metabisulfite, use dilute hydrochloric acid with a Baume degree of 4.5 to precipitate casein, adjust the pH of the feed liquid to 4.4-4.6, and make th...
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Abstract
The invention discloses a method for producing casein through dry sterilization. The method comprises the following steps: putting Qula into a dissolving vat, adding an auxiliary material, dissolving while the pH value is kept to be 9.5-10.0, filtering, performing centrifugal degreasing, regulating the feed liquid temperature to be 40 DEG C after degreasing, adding sodium hydrosulfite, sodium sulfite and sodium pyrosulfite, performing precipitation on casein through the diluted hydrochloric acid with the Baume density of 4.5, regulating the feed liquid pH to be 4.4-4.6 to enable the casein to be fully precipitated, and removing milk serum to obtain a precipitate; washing the precipitate with lukewarm water, dehydrating through plate frame pressure filtration and extrusion, performing material pelletization through a screen mesh, drying, pulverizing the pelletized and dried material, conveying the pulverized material to a material mixing bin, and fully sterilizing the material in the material mixing bin through ozone. According to the method, sterilization is realized by introducing ozone during the packaging link of casein production, so that microbes can be effectively killed; the operation is run in a dry environment and equipment is simple, so that equipment investment can be reduced, the product quality is stabilized, the automatic control level is improved, water and electricity consumption is reduced, and human resources are saved.
Description
technical field [0001] The invention relates to the field of casein production and product sterilization thereof, in particular to the production of casein and the ozone dry method for casein production. Background technique [0002] One of the key processes in the casein process is the drying section. The casein drying section includes intermediate product drying and final product mixing drying. The quality of the process control directly affects the quality characteristics of casein products, especially the product color, moisture content, recovery rate, microorganisms and other indicators. The current casein product mixture is generally crushed and graded directly into the mixing bin for mixing, without any sterilization measures in the middle, which directly affects the microbial indicators of the casein product. [0003] At present, the sterilization equipment in the domestic casein production is concentrated after the degreasing section after the raw materials are dis...
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