Process for producing high-viscosity cowhide alkaline gelatin by batch and alkaline (BATALK) method

An alkali-processed gelatin and high-viscosity technology, which is applied in the production field of high-viscosity kraft alkali-processed gelatin, can solve the problem of high skin consumption, and achieve the effects of reducing skin consumption, high proportion and water consumption.

Inactive Publication Date: 2011-09-14
罗赛洛(温州)明胶有限公司
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Problems solved by technology

In order to obtain high-viscosity kraft gelatin, the process that can be adopted is the alkaline proc

Method used

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Embodiment Construction

[0018] The present invention optimizes the alkaline gelatin production process, changes the original gelatin extraction from neutral to alkaline (7-9) gelatin extraction, and reduces skin consumption. The specific steps are as follows: Treat the collected cowhide or pigskin leather with sodium sulfide plus lime or sodium hydroxide, the concentration of sodium sulfide is 0.2-1%, and the concentration of calcium oxide is 0.5-2%, and then cut the leather. Skin, cut into 15 x 15 cm pieces; wash with water for about 2-5 hours to remove impurities, dirt and salt; add water, raise or lower the temperature to bring the skin to 15-25 oC, then add sodium hydroxide , control the concentration of the solution at 0.8%-1.5%, transfer the leather and lye to the acid-base tank, soak for 5-12 days, during which the temperature of the lye is controlled at 15-25 oC; Washing with water (recovery of lye), until the pH value of the solution reaches 7-9; then transfer the leather to the glue extract...

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Abstract

The invention relates to a process for preparing gelatin, in particular to a process for producing high-viscosity cowhide alkaline gelatin by a batch and alkaline (BATALK) method. The process comprises pretreatment, rubber extraction, filtration, ion exchange, concentration, high temperature sterilization, drying, crushing, mixing, metal detection and formation of a finished product. The process is characterized in that: the pretreatment process is the BATALK method. By the process, the consumption of water and the consumption of sulfur acid can be reduced; and the gelatin obtained by the process has high viscosity.

Description

technical field [0001] The invention relates to a production method of gelatin, in particular to a process for producing high-viscosity kraft-alkaline gelatin by using BATALK [abbreviation of Batch (batch) and Alkaline (alkaline method)]. Background technique [0002] Gelatin is a polymer of high-molecular polypeptides obtained from collagen contained in animal skin, bone, cartilage, ligament, sarcolemma, etc., after purification and primary hydrolysis. In addition to a small amount of water and inorganic salts, gelatin products contain more than 82% protein, no fat, no cholesterol, and contain 18 kinds of amino acids, 7 of which are necessary for the human body. Gelatin is widely used in food additives and capsules of pharmaceutical pills in civilian use; in industry, gelatin is also used in photographic film, X-ray film, aviation film and wood-based panel gluing, belt adhesives, rubber products, cotton cloth and papermaking, etc. Indispensable raw material. [0003] Ther...

Claims

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Application Information

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IPC IPC(8): C09H3/00C09H1/04
Inventor 蔡礼昊
Owner 罗赛洛(温州)明胶有限公司
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