11results about How to "Efficient industrial production" patented technology

The utility model discloses a separation workstation for dried fruit processing relates to dried fruit processing technical field, including transmission frame, one end of transmission frame is equipped with first roller axle, and transmission frame's other end is equipped with second roller axle, and there is separation transmission belt between first roller axle and second roller axle, the above of flat support strip is equipped with the lever assembly of fixed transmission frame, and the below of flat support strip is equipped with the unloading transmission belt of through transmission frame. The design is based on two groups of roller axle to the drive of separation transmission belt, and the dried fruit is separated in the mode of dynamic feeding, and then, while the dried fruit is gradually conveyed along with separation transmission belt, reciprocating material of lever assembly is utilized, and the dried fruit reciprocatingly moves on separation transmission belt, and the corner material of the dried fruit is discharged through the unloading hole of the belt surface, and the dried fruit is continuously separated in the form of uninterrupted separation process, and the separation efficiency is more efficient, and the artificial control strength is lower.

The invention discloses an asiatic acid saponin compound and medical application thereof. The asiatic acid saponin compound comprises a compound with a structural formula as shown in a formula (I), and pharmaceutically acceptable salt or ester or solvate of the compound. The compound shown in the formula (I) has anti-inflammatory and anti-ulcer activity, so that the compound can be used for preparing medicines for preventing or treating inflammatory diseases or ulcerative diseases.

The present application relates to: a Corynebacterium genus microorganism having an L-amino acid producing ability, into which an NAD-dependent isocitrate dehydrogenase protein derived from Streptococcus mutans or a polynucleotide encoding the same is introduced; a method for producing an L-amino acid, the method comprising a step of culturing the microorganism in a culture medium; a composition for producing an L-amino acid, the composition comprising the microorganism, a culture of the microorganism, a fermentation product of the microorganism, or a combination of two or more thereof; and to the use of said microorganism in the production of L-amino acids.

The application discloses a method for preparing a high-purity lactulose solution by continuously circulating sodium metaaluminate, and belongs to the technical field of oligosaccharide preparation. The preparation method of the application can reduce the reaction temperature, improve the lactulose conversion rate and purity, use food-grade activated carbon to adsorb lactulose clear liquid, remove 96.0% of aluminum ions at most, greatly reduce the cost of aluminum ion removal, and recycle sodium metaaluminate prepared by calcining aluminum hydroxide precipitation, thereby reducing the catalyst consumption. The process optimization method provided by the application is simple and feasible, meets the production demand of resource-saving and environment-friendly, and provides beneficial reference for promoting the industrialized production of lactulose prepared by using sodium metaaluminate / alkaline substance as an alkaline complex catalyst.

The application discloses alpha-cyclodextrin glucosyltransferase mutants and application thereof, and belongs to the technical field of genetic engineering and enzyme engineering. A multi-mutant Y100I / F183L / H328L is constructed, and on the basis of keeping the dismutation activity and C-19 and C-13 region selectivity equivalent to WT, the yield of short-chain glucosylated steviol glycoside is further improved. When maltose is used as a glycosyl donor, the yield reaches more than 36 %; when corn starch is used as a glycosyl donor, the yield reaches more than 54 %, and the multi-mutant has extremely high practical value and economic value.

The application discloses screening of aspergillus oryzae with high yield of mycelial protein and application thereof, and belongs to the technical field of fermentation engineering. The aspergillus oryzae strain WL03 with high spore production capacity, good adaptability, stable subculture, and high mycelial concentration and mycelial protein content is screened, the culture medium for aspergillus oryzae fermentation is optimized, and the scale-up culture is further carried out in a 5L fermenter and a 20L fermenter. The strain of the application achieves the effects of 21g / L mycelial concentration and 46% mycelial protein content in the 5L fermenter, and achieves the effects of 20g / L mycelial concentration and 46% mycelial protein content in the 20L fermenter, and has the industrial application potential.

The invention belongs to the field of biology, and discloses and relates to cephalosporin C acylase obtained based on an ancestor sequence reconstruction technology and application of the cephalosporin C acylase. The amino acid sequence of the cephalosporin C acylase is shown as SEQ ID NO: 1, or the cephalosporin C acylase has one or more mutants of G140T, L161S, F294L, F297N, Y271S, A421V, N481S, W188I, H256T, Y263T, F291L, N301S, R335V, Y391S, F415V, N416T and N482S, and the cephalosporin C acylase has the activity of catalyzing cephalosporin C to generate 7-aminocephalosporanic acid (7-ACA). The invention also provides a nucleotide sequence for coding the enzyme, a recombinant vector, recombinant escherichia coli and application of the recombinant escherichia coli in 7-ACA production.

The present disclosure relates to: a Corynebacterium genus microorganism having an L-tryptophan producing ability, into which a ribose-phosphate pyrophosphate kinase derived from Bacillus subtilis or a polynucleotide encoding the same has been introduced; a method for producing L-tryptophan comprising culturing the microorganism in a culture medium; a composition for producing L-tryptophan comprising the microorganism, a culture of the microorganism, a fermentation product of the microorganism, or a combination of two or more thereof; and the use of the microorganism for the production of L-tryptophan.

The invention provides a purification method and a purification system for a long-chain alkyl mercaptan azeotrope, and belongs to the technical field of azeotrope separation and purification. According to the method, a Cu < 2 + > modified MFI type molecular sieve is used as an adsorbent and is filled in a fixed bed adsorption tower. In the adsorption step, straight-chain alkyl mercaptan can enter a molecular sieve pore channel and is adsorbed by Cu < 2 + > specific complexation, and branched-chain alkyl mercaptan is not adsorbed due to steric hindrance, so that a material rich in branched-chain alkyl mercaptan is obtained; in the regeneration step, a thermal medium is introduced for desorption and recovery of high-purity linear alkyl mercaptan; and in the cooling step, inert gas is introduced to recover the adsorption tower to the adsorption preparation state. By utilizing the synergistic effect of double mechanisms of size screening and chemical complexing, efficient and continuous separation can be realized at normal temperature and normal pressure, the purity of the straight-chain alkyl mercaptan product is not lower than 99.5%, and the method has the advantages of low energy consumption, stable operation and high product yield.

The present application relates to: a method for producing L-citrulline, the method comprising a step of culturing, in a culture medium, a Corynebacterium genus microorganism for producing L-citrulline in which the activity of a protein comprising the amino acid sequence of SEQ ID NO: 1 is weakened as compared to its endogenous activity; a composition for producing L-citrulline, said composition comprising said microorganism, a culture of said microorganism, a fermentation product of said microorganism, or a combination of two or more thereof; and the use of the microorganism for producing L-citrulline.

The present invention provides a method for continuously preparing titanium and titanium alloy wire materials with a short process, which relates to the technical field of preparing titanium and titanium alloy wire materials. The preparation method includes powder preparation, slurry preparation, wire blank forming, wire blank drying, wire blank coating, degreasing sintering, cold drawing and post-treatment carried out in sequence. Among them, the titanium and titanium alloy extrusion slurry is poured into the slurry tank of a screw extruder, and an ultraviolet light source or a heat source is equipped at the die opening of the screw extruder. The slurry is extruded through the die opening and in-situ solidified into a wire blank under the action of the light source or the heat source. By matching continuous production equipment with the technological processes of screw extrusion molding, degreasing sintering and cold drawing, the present invention avoids the high-temperature melting process of the traditional casting-drawing process and the complex processes of multi-pass hot rolling-drawing, realizes the short-process continuous and controllable preparation of titanium and titanium alloy wire materials, has high flexibility in the design of its composition and diameter, strong stability, wide applicability, low cost and excellent performance, and is very suitable for large-scale industrial production.