Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

117results about "Protein composition from microorganisms" patented technology

Technology for extracting potato protein through hot flocculence method

The invention provides a technology for extracting high-purity potato protein through a hot flocculence method. At the significant end of the technology, small-granule starch and a fine-fiber mixture in potato starch processing and separation juice are separated, the purity and quality of the potato protein obtained through flocculence and separation at the final phase are improved, and meanwhile the phenomenon that heat exchange equipment and a pipeline are blocked due to starch dextrinization in the follow-up process is avoided; the potato protein is degenerated and flocculated through the hot flocculence method to be changed from the starch separation juice hydrosol body state into flocculence body solid to facilitate solid and liquid separation, the quality of the extracted protein is ensured, and meanwhile the physical flocculence method and the chemical flocculence precipitation method are used in a combined mode in cooperation with flocculence of chemical auxiliaries, so that the protein extraction rate and the protein separation effect are greatly improved, and the potato protein purity is improved. In addition, resource utilization of the potato protein is performed, more than 50% pollutant loads are reduced for follow-up sewage treatment, and the dual effects of resource utilization and pollutant control are achieved.
Owner:LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI

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

Method for producing cottonseed germ materials used in low-temperature pretreatment production of gossypol-removed cottonseed protein

The invention provides a method for producing cottonseed germ materials used in low-temperature pretreatment production of gossypol-removed cottonseed protein. The method comprises: cleaning and removing impurities in delinted cottonseeds; husking the cottonseeds after impurity removal; obtaining mixture of cottonseed kernels and cottonseed husks; repeatedly separating the mixture by use of a screening and / or winnowing method; obtaining the cottonseed kernels in which the content of the cottonseed husks is less than or equal to 18 percent; softening the cottonseed kernels at a temperature lower than or equal to 80 DEG C; rolling the cottonseed kernels into germ sheets; adjusting quality at a temperature lower than or equal to 80 DEG C; and obtaining germ materials. The germ materials produced by use of the method have the advantages of good shape, high strength, less breakable property, good permeability during extraction, short seepage time, low content of residual oil and gossypol in meal after oil extraction and gossypol removal, capability of continuous production and capability of maintaining the original nutritional value of protein.
Owner:北京中棉紫光生物科技有限公司 +1

Process for preparing fly larva albumen powder by enzymatic hydrolysis of fly larvae

The invention discloses a process for preparing fly larva albumen powder by enzymatic hydrolysis of fly larvae. The process comprises the following specific steps: adding water to fresh fly larvae, pulping, and adjusting the pH as 6.0-7.0; adding an enzyme composition, raising the temperature to 45-55 DEG C, performing heat-preservation enzymatic hydrolysis for 4-7h, and performing enzyme deactivation, filtration, filtrate collection, concentration and drying to obtain the fly larva albumen powder, wherein the enzyme composition is formed by compound protease, neutral protease and flavourzyme according to the weight ratio of 1:(1-2):(0.5-1), and the addition amount of the enzyme composition is 2-5 weight percent of the fresh fly larvae. Compared with the prior art, the process has the advantages that the enzyme composition formed by the compound protease, the neutral protease and the flavourzyme according to a specific ratio performs enzymatic hydrolysis on the pulp of the fresh fly larvae under specific conditions, all enzymes cooperate in the enzymatic hydrolysis process, the degree of hydrolysis is effectively improved, and meanwhile, the prepared fly larva albumen powder does not taste bitter, and only has slightly fishy smell.
Owner:GUILIN HEYINXIANG NEW MATERIALS

Production method of proteoglycan protein compound functional capsule product from edible fungi/alga

The invention relates to a production method of a proteoglycan protein compound functional capsule product from domestic fungus / alga and belongs to the field of edible fungi and alga deep processing and related product development and application. Edible fungi polysaccharide powder and algal polysaccharide powder which are prepared by an ultrasonic-assisted extraction technology and edible fungi protein powder and alga protein powder which are prepared by a salting-in technology are compounded according to a certain ratio, and a conventional capsule preparation technology is adopted, so as to prepare the proteoglycan protein compound functional capsule product. By analyzing biological functional activities of polysaccharides and protein powders from two different sources, scientific proportioning is carried out to obtain the capsule product which has advantages of rich nutrient, comprehensive biological activity and high utilization rate. In comparison with like products, the nutritional compound capsule provided by the invention can be used to remarkably enhance immunity of the organism and delay aging process. The proteoglycan protein compound functional capsule product is a health food which has market value.
Owner:NANJING AGRICULTURAL UNIVERSITY +2

Extracting method for high-purity sweet potato protein

The invention discloses an extracting method for high-purity sweet potato protein. The method comprises the following steps: (1) washing and crushing a sweet potato, sieving the crushed sweet potato, adding pure water, stirring and soaking, and taking supernatant; (2) centrifuging the supernatant obtained in the step (1), and taking the supernatant; (3) filtering or performing suction filtering on the supernatant obtained by the step (2) through a food-grade activated carbon layer; (4) slowly adding the filtrate obtained in the step (3) into food-grade alcohol under the stirring condition, and standing to obtain flocculent mixed liquid; (5) centrifuging the flocculent mixed liquid which is obtained in the step (4); (6) collecting the solid obtained in the step (5), and performing vacuum drying or freeze drying to obtain finished sweet potato protein. Compared with the conventional process, the extracting method for the sweet potato protein disclosed by the invention has the advantages that the process is simple and stable, conditions are mild, the environment-friendly effect is achieved, and the purity of the obtained sweet potato protein is 92 to 97 percent, and the purity is higher compared with the purity of the sweet potato protein of 72.4 percent obtained by the conventional process method.
Owner:QINGDAO HAIZHIXING BIOLOGICAL SCI & TECH

Preparation method of edible and medicinal fungi protein peptide-zinc chelate

The invention relates to a preparation method of edible and medicinal fungi protein peptide-zinc chelate. The preparation method comprises the following steps: extracting proteins from edible and medicinal fungus by an alkali-soluble acid precipitation method or an ammonium sulfate precipitation method; performing restricted enzymatic hydrolysis on the edible and medicinal fungi proteins by alkaline proteases, neutral proteases or compound proteases, so that an enzymatic hydrolysate of the edible and medicinal fungi proteins is prepared; and chelating zinc in inorganic zinc acetate or zinc sulfate with the edible and medicinal fungi protein peptide, so that the edible and medicinal fungi protein peptide-zinc chelate is prepared. The alkali-soluble acid precipitation method or the ammonium sulfate precipitation method utilized in the method is capable of obviously improving extraction rates of the edible fungi proteins; and the time of the enzymatic hydrolysis is controlled so as to effectively control degradation degrees of the proteins. A preparation technology of the polypeptide-zinc chelate is simple. The zinc-peptide chelate prepared by the preparation metahod is unique in chelate system and transport mechanism, and is easy to absorb, safe, non-toxic and low in cost; the zinc-peptide chelate is capable of supplementing amino acids and zinc at the same time, so that the zinc-peptide chelate will become the first choice among zinc supplements. The preparation method of edible and medicinal fungi protein peptide-zinc chelate provides a new idea to edible fungi applications.
Owner:FUJIAN AGRI & FORESTRY UNIV

Extraction method of MD (musca domestica) insect active protein intermediate

The invention discloses an extraction method of an MD (musca domestica) insect active protein intermediate, comprising the following steps: cleaning and drying MD larva; after drying the MD larva by blowing at 40 DEG C, smashing the dried product; fully degreasing; adding 1-1.5% of alkali, and adding water for hydrolysis at constant temperature; secondarily desalting; and freezing and drying leached and desalted precipitate. Because the above technical scheme is adopted, technological operation difficulty is greatly lowered and production cost is greatly lowered by changing complex dialysis desalting with high cost into the secondary desalting; in the process of secondary desalting, hydrolyzate is required to be precipitated and AgNO3 is not needed to be used for detection, which protects the health of workers; and in the working procedure of drying the original substance by blowing at 40 DEG C after cleaning and drying, considerable energy can be saved, equipment investment and manual work are reduced if compared with the alkali dilution method of the Institute of Zoology of Chinese Academy of Sciences that the original substance is boiled for 15 minutes and is frozen and dried, and thus production cost is greatly lowered.
Owner:韦秀凤
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products