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505 results about "PROTEIN S HEERLEN" patented technology

Protein cellulose viscose and preparing method thereof

The invention relates to a protein viscose fiber and a preparation method thereof, belonging to the textile field and aiming at solving a technical problem about how to provide a method for adopting different animal and plant proteins as materials to prepare the protein viscose fiber. The preparation method of the protein viscose fiber includes the following steps: 1. the animal and plant proteins are degreased, decolored and deodorized to obtain animal-plant protein powder; 2. alkalization: the animal-plant protein powder is dissolved in alkaline liquor to obtain protein alkaline solution; 3. cross-linker is added into the protein alkaline solution to obtain a protein spinning liquor; 4. the protein spinning liquor is blended with a glue to be spun to obtainprotein filaments; 5. the protein filaments are washed by peroxide solution and are oiled, dried and formed into cylinder form to get the protein viscose fiber. The protein viscose fiber preparation method of the invention does not adopt any acetalation treatments to the protein filaments after spinning so as to avoid the remaining of methanal, etc. harmful matters, the technique steps are simple and can be easily operated and the manufacturing can be realized with the existing viscose fiber preparation equipment.
Owner:YIBIN GRACE GROUP CO LTD

Preparation method of formaldehyde-free water-resistant protein adhesive

The invention relates to a preparation method of a formaldehyde-free water-resistant protein adhesive. The main preparation steps are as follows: 1) activating a protein raw material: adding the protein-containing raw material and absolute ethanol, stirring, further adding an alkaline solution, and heating to 45-80 DEG C for reaction; cooling to room temperature and adding a reducing agent; and adjusting to neutral, and evaporating to dryness to obtain activated protein powder; and 2) preparing the protein adhesive: adding the activated protein powder prepared in the step 1, water, an acid-adjusting reagent, an enhancer and a preservative into a reactor, reacting at the temperature of 30-50 DEG C, and reducing to room temperature to obtain the protein adhesive. The preparation method is characterized in that a special protein activation process is adopted to enable proteins to expose active groups thereof and utilize a variety of active functional groups of the proteins to the greater extent; the preparation process of the adhesive is simple and has the advantages of good reproductivity, low cost, no formaldehyde and good water resistance; and a hot pressing process is the same with an existing urea-formaldehyde resin pressure plate process, on the basis of not changing and increasing the hot pressing process and equipment, the production of formaldehyde-free artificial plates can be realized, and the market prospects are greater in comparison with the existing protein adhesive in industrial production.
Owner:QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI

Antioxidation active peptides and method for preparing same

The invention discloses antioxidation bioactive peptide and a method for making the same. The product is made through the following steps that: microbial bacillus natto and corn protein powder are respectively used as strain and a raw material, which undergo liquid culture; and fermentation broth is separated through ion exchange chromatography, gel chromatography, reversed phase chromatogram and electrophoresis. The molecular weight of the product is between 20,100 and 31,000 and the five amino acid sequences at an N terminal are K-V-T-Y-H with the antioxidation activity reaching to 236.68U/mL. Moreover, the product has higher antioxidation activity, and pure product can meet the requirements of structural and physical property measurements of antioxidation bioactive peptide, activity and toxicological experiments as well as large-scale application such as therapy and cultivation; because antioxidation active material has strong cleaning action on superoxide anion free radical and hydroxyl free radical and can remarkably inhibit the overoxidation reaction between red blood cell and the lipid of liver, heart and brain tissue, the product has functions such as disease prevention and aging resistance and can be further developed into additives of products such as medicine and cosmetic.
Owner:QIQIHAR UNIVERSITY

Curing and forming die for preparing foamed ceramic according to protein foaming method and preparation method of curing and forming die

ActiveCN102765126AGood molding effectOvercoming the problem of rapid water lossCeramic shaping apparatusCeramicwarePROTEIN S HEERLENSlurry
The invention discloses a curing and forming die for preparing foamed ceramic according to a protein foaming method. The curing and forming die comprises a die body and a die cover, wherein the die body is connected with the die cover in a sealing manner to form a die cavity; a pneumatic control valve is arranged on the die cover; an airflow passage is formed in the valve; and the opening and closing of the pneumatic control valve is regulated by the atmospheric pressure difference between the die cavity and the outside. The invention further discloses a method for preparing the foamed ceramic through protein foaming. The method comprises the steps as follows: raw materials are mixed, dissolved in water and ball-milled, and then albumen protein powder is added to obtain foam slurry; the foam slurry is injected into the curing and forming die and is cured in water bath to form a blank body; then the blank body is dried and heated to the protein burning-off temperature, and heat preservation is performed; and finally, heating sintering is carried out under nitrogen protection, and heat preservation is performed to obtain the foamed ceramic. The curing and forming die provided by the invention has the advantages of simple structure, low cost, easiness in control, good product quality and the like.
Owner:NAT UNIV OF DEFENSE TECH

Method for preparing high-protein food-grade plasma protein powder

The invention relates to a method for preparing high-protein food-grade plasma protein powder, which comprises the following steps of: sampling blood; anticoagulating; separating; refrigerating; film concentrating; spraying and drying; packing for the first time (inner packing); sterilizing with microwave; and packing for the second time (outer packing). A product prepared according to the preparation method disclosed by the invention has high protein content, high immunoglobulin content and low ash content; film concentrating equipment can be used for eliminating water and salt in plasma, reducing the ash content in the plasma protein powder and enhancing the content of protein of the plasma protein powder and immunoglobulin; the concentration process is performed at normal temperature; the protein in the plasma does not undergoes chemical reaction or phase change; other impurities cannot be brought in; decomposition and denaturation of the protein in the plasma cannot be caused; therefore, effective components in the plasma cannot be destructed; simultaneously, the method of combining a drying method in which the temperature is lower than the temperature of a spray drying inlet and a spray drying outlet with a microwave drying technology is adopted; and nutrient components with physiological activity in the plasma can be further reserved in the drying process.
Owner:天津宝迪农业科技股份有限公司

Method for preparing peptide with high antioxidant activity by utilizing rice residue protein treated by superhigh pressure

The invention relates to a method for preparing peptide with high antioxidant activity by utilizing rice residue protein treated by superhigh pressure. The method comprises the following steps: (1) pretreating rice residues so as to obtain rice residue powder; (2) extracting the rice residue protein: mixing the rice residue powder and water so as to obtain a mixture, regulating the pH value of the mixture to be 11-13, stirring the mixture for a reaction, performing centrifugation so as to collect supernatant, regulating the pH value of the supernatant to 5.0-5.8, precipitating the supernatant of which the pH value is regulated, centrifuging the precipitated supernatant and washing the centrifuged supernatant so as to obtain the rice residue protein; (3) treating the rice residue protein through superhigh pressure: treating the rice residue protein under the superhigh pressure, and freeze drying the treated rice residue protein so as to obtain superhigh-pressure rice residue protein powder; (4) performing enzymolysis: compounding the superhigh-pressure rice residue protein powder into an aqueous solution, performing enzymolysis on the aqueous solution, performing enzyme deactivation on the queous solution after enzymolysis, centrifuging the queous solution on which the enzyme deactivation is performed, and collecting supernatant; (5) performing vacuum concentration on the supernatant so as to obtain a concentrated solution; and (6) freeze drying the concentrated solution so as to obtain the peptide with high antioxidant activity. Products obtained by the method disclosed by the invention have higher antioxidant activity; compared with products which are not treated through the superhigh pressure, the clearance rate for DPPH free radicals, the clearance rate for ABTS free radicals and the clearance rate for hydroxyl free radicals in the products obtained by the method disclosed by the invention are greatly increased respectively.
Owner:湖南南洲酒业有限公司

Method for recycling water-soluble proteins in minced fish rinsing water

The invention relates to a method for recycling water-soluble proteins in minced fish rinsing water, which is characterized by comprising the following steps: salt-process low-temperature degreasing: adding a certain amount of table salt (NaCl) into minced fish rinsing water, stirring to sufficiently dissolve the table salt, and standing until grease precipitates and floats up to the surface, wherein the temperature of the rinsing water is controlled at 10 DEG C below in the whole process; isoelectric point protein precipitation: adding acid to the obtained liquid to regulate the pH value to 4.0-5.0, and standing to sufficiently stratify; preliminary protein recycling: discharging the supernatant part of the obtained liquid out by using a pump, and collecting the understratum protein precipitation layer; and protein recycling by centrifugation. The recycled protein can be directly packaged into finished product for freezing storage, or spray-dried into protein powder. The method provided by the invention is simple and easy to implement and is efficient; and the method can greatly reduce environmental pollution caused by improper discharge of protein-rich rinsing water, enhance the economic benefit of the minced fish production enterprise, and implement efficient utilization of resources, thereby having important meaning for environment-friendly sustainable development in minced fish processing industry.
Owner:JIMEI UNIV

Production method of deodorized silver carp protein powder

The invention discloses a production method of deodorized silver carp protein powder, which comprises the steps of taking a low-value freshwater fish, namely a silver carp, as a raw material, preparing surimi pulp, degreasing and deodorizing with saccharomycete fermentation liquid, extracting by an acid method, condensing, and drying to obtain the silver carp protein powder. According to the method, surimi and the rosin saccharomycete fermentation liquid are incubated together, saccharomycete fermentation and active ingredients in the fermentation liquid are used for deodorization, and hydrolysis of an endogenous histenzyme of fish is used to promote protein dissolution. With the adoption of the ultrasonic aided acid method for extraction, the protein extraction rate of the silver carp is increased significantly, and acetic acid can be utilized to deodorize a protein extract effectively. Endogenous enzyme hydrolysis and yeast fermentation liquid deodorization as well as acid method extraction and acetic acid deodorization are performed simultaneously during the whole production process, a bio-enzyme is not required to be added, the technological operation is simple, the cost is low, and the protein powder product is green, safe and good in water solubility.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Light-yellow odourless degreasing silkworm pupa protein power and preparation method thereof

The invention relates to light-yellow odourless degreasing silkworm pupa protein power and a preparation method thereof. According to the technical scheme, silk reeling silkworm pupae of which the skin and the gland are removed are selected as the raw material, silkworm pupa pretreatment is conducted, and coarse silkworm pupa powder is obtained; the coarse silkworm pupa powder is evenly mixed in degreasing solvent, ultrasonic degreasing treatment is conducted, centrifugal separation is conducted, and degreasing fluid and degreasing coarse pupa protein are obtained; drying and smashing are conducted on the degreasing coarse pupa protein, and the degreasing coarse pupa protein power is obtained; the degreasing coarse pupa protein power is evenly mixed in a sodium hydroxide solution, a silkworm pupa protein extracting solution is obtained, ultrasonic extraction treatment is conducted, macroporous resin is added into the silkworm pupa protein extracting solution, adsorption treatment is conducted, solid-liquid separation is conducted, resin and protein fluid are obtained, the protein fluid pH is adjusted, protein precipitation is collected, and wet silkworm pupa protein is obtained; vacuum drying and smashing are conducted on the wet silkworm pupa protein, and the light-yellow odourless degreasing silkworm pupa protein power is obtained. The light-yellow odourless degreasing silkworm pupa protein power and the preparation method thereof have the advantages that the technology is simple, the degreasing efficiency is high, effects of deodorization and decolorization are good, the treatment is low in temperature and short in time, the cost is low, the green and environmental protection is achieved, and the light-yellow odourless degreasing silkworm pupa protein power and the preparation method thereof can be used for industrial production.
Owner:WUHAN UNIV OF SCI & TECH
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