19 results about "Sugar yield" patented technology

The present application relates to the technical field of sugar syrup processing, and discloses a purified sugar syrup crystallization process, which comprises the following steps: (1) after the sugar syrup is filtered and heated, it is delivered to a crystallization tank to obtain massecuite, the massecuite is sequentially subjected to crystal nucleation in a crystal nucleation tank and honey separation in a separator to obtain white granulated sugar and primary massecuite; (2) the primary massecuite is filtered by a filter, the filtrate is mixed with the white granulated sugar, the filtrate is mixed with the primary massecuite, and the mixture is heated and delivered to a second-stage crystallization tank; (3) the massecuite obtained by boiling in the second-stage crystallization tank is sequentially subjected to crystal nucleation in a crystal nucleation tank and honey separation in a separator to obtain secondary massecuite and secondary primary massecuite; and (4) the degree of the secondary primary massecuite is determined, and whether to continue to enter the third-stage crystallization is determined by comparing the degree of the secondary primary massecuite with a preset waste honey degree. The crystallization process of the purified sugar syrup is simple, low in energy consumption, high in sugar yield, low in color value, can greatly reduce the use of equipment, and can reduce the production cost.

The invention provides functional saccharomyces cerevisiae and application thereof in fermentation of pueraria polysaccharide, and belongs to the technical field of microbial fermentation. The invention discloses a saccharomyces cerevisiae Y25, which has the physiological characteristics of high ethanol yield, low higher alcohol yield, high ester yield and good tolerance to ethanol, acid and high temperature, can improve the quality of white spirit and enrich and coordinate the flavor of the white spirit, and can be used for fermenting kudzuvine root polysaccharide, so that the obtained fermented polysaccharide is high in yield, strong in oxidation resistance and high in yield. The polysaccharide content is increased by 9.79% compared with commercial Angel yeast, and the DPPH free radical scavenging rate and the hydroxyl free radical scavenging rate are respectively increased by 10.32% and 18.78% compared with the commercial Angel yeast. The saccharomyces cerevisiae Y25 disclosed by the invention has far-reaching social and economic significance on enhanced utilization of functional brewing microbial resources and innovation and upgrading of a traditional brewing process.

The invention relates to the field of atractylodes macrocephala polysaccharide extraction, particularly discloses a method for extracting atractylodes macrocephala polysaccharide at a low temperature and application of the atractylodes macrocephala polysaccharide in oxidation resistance, and aims to solve the problems that the polysaccharide structure is possibly damaged, the polysaccharide yield is low, the cost is high and the like when the polysaccharide is extracted by hot water. The invention provides a novel method for extracting atractylodes macrocephala koidz polysaccharide at low temperature, which comprises the following steps: carrying out cold water extraction and ethanol precipitation, and then separating and purifying the polysaccharide substance to obtain pure polysaccharide with the molecular weight of 2.1 kDa. An in-vitro anti-oxidation experiment shows that the polysaccharide has good anti-oxidation activity. In addition, the extraction method also has the advantages of economy, high efficiency and the like.

The application belongs to the technical field of food and medicine, and particularly relates to a cordyceps militaris polysaccharide, a preparation method and application thereof. The application provides a method for improving the yield of cordyceps militaris polysaccharide by optimizing a liquid fermentation process, and proves that the cordyceps militaris polysaccharide has a good blood glucose lowering effect on T2DM mice. The application provides a liquid fermentation method capable of significantly improving the yield of cordyceps militaris polysaccharide, and the yield of the cordyceps militaris polysaccharide is improved to 82.7 mg / g mycelium, and the culture time is short. The cordyceps militaris polysaccharide obtained has a clear key structure characteristic range. The cordyceps militaris polysaccharide obtained has a good blood glucose lowering effect on T2DM mice, and by remodeling the intestinal flora, improving the SCFAs level, and improving a plurality of high blood glucose related indexes, the T2DM related high blood glucose symptoms are relieved.

Compositions and methods for increasing the sugar yield of harvested sugarcane are described. Antimicrobial compositions are applied to freshly cut sugarcane to increase sugar yield. Beyond theory, compositions containing peracids or fatty acids are considered effective in preventing microbial contamination between harvest and milling. These antimicrobial compositions inhibit bacterial metabolic activity that converts sucrose in sugarcane juice into dextran. Preventing dextran production improves sucrose yields and purity in the treated sugarcane.

The invention relates to the technical field of straw waste high-value conversion and utilization, and discloses a straw enzymatic hydrolysis sugar yield prediction method, system, equipment and medium. Based on a straw porous network structure, a straw enzymatic hydrolysis sugar yield prediction model with a clear mechanism is constructed by coupling enzyme molecule diffusion, adsorption and reaction kinetics processes; the method can essentially reflect the structural characteristics of different straws and the dynamic change of the sugar yield under the enzymolysis condition, remarkably improves the prediction precision and the model generalization ability, and overcomes the problems that a traditional experience method depends on specific test conditions, the mechanism is difficult to reveal and the popularization applicability is poor; meanwhile, according to the method, rapid simulation and optimization of multiple parameters and multiple scenes can be achieved through numerical solution and a small amount of experimental verification, the research and development cost is greatly reduced, the research and development time is greatly shortened, and an efficient and reliable digital tool system can be provided for straw enzymolysis process optimization and engineering application.

The present application relates to a kind of anti-winding conveying pickup device and combine harvester, and the anti-winding conveying pickup device includes pickup cylinder weld, pickup motor and anti-winding device, pickup motor is set on pickup cylinder weld, can drive pickup cylinder weld rotation, and anti-winding device is set at the both ends of pickup cylinder weld.This kind of anti-winding conveying pickup device can effectively reduce the problem of dust, soil and being wound by grass, cane leaf in the working process of anti-winding conveying pickup device, prolong the service life of machine operation parts, reduce machine maintenance time, improve work efficiency.In the harvesting process, the cane that is picked up, sorted and cut off can smoothly enter the next level conveying channel, reduce the cane drop rate and loss rate in the picking process, increase the cane harvesting rate and sugar yield, meet the requirements of sugar cane farmers and sugar enterprises.

The invention relates to a preparation method of hericium erinaceus polysaccharide, in particular to a preparation method for improving the yield of hericium erinaceus polysaccharide and a corresponding anti-inflammatory product thereof. The invention firstly provides a preparation method for improving the yield of the hericium erinaceus polysaccharide, it is surprisingly found that the combination of different carbon sources and nitrogen sources and the mass ratio range have remarkable influences on the yield of the hericium erinaceus polysaccharide, and a fermentation culture solution with a synergistic effect is preferably obtained through tests; the carbon source is composed of glucose, maltose and galactose in a mass ratio of 1: 1: 4; a nitrogen source is composed of peptone and ammonium nitrate, and the mass ratio of peptone to ammonium nitrate is 1: 2-1: 4. The invention further provides refined hericium erinaceus polysaccharide with efficient anti-inflammatory activity, the structure of the refined hericium erinaceus polysaccharide is composed of glucose (Glc), galactose (Gal), glucuronic acid (Glc-UA), fucose (Fuc) and ribose (Rib) according to the mass percentage ratio of 38.84: 46.87: 7.59: 3.54: 3.16, and the hericium erinaceus polysaccharide has important significance in the aspect of preparing anti-inflammatory drugs.

The invention discloses a method for in-situ enzymolysis saccharification of straw, and belongs to the technical field of biochemical engineering, the method comprises the following steps: pretreatment, activation and enlarged culture, preparation of an auxiliary agent, preparation of a crude enzyme liquid, and enzymolysis saccharification; in the step of enzymolysis saccharification, pretreated corn straw powder, corn steep liquor dry powder, potassium hydroxide, ammonium sulfate, magnesium sulfate, a first part of water and crude enzyme liquid are mixed and stirred for 30-40 min at the temperature of 27-29 DEG C and the speed of 180-220 rpm, the pH value is adjusted to 4.7-4.9, sterilization is conducted, and a fermentation culture medium is obtained; mixing an auxiliary agent, the seed solution and a second part of water, stirring at 27-29 DEG C and 180-220 rpm, adding into the fermentation culture medium, and carrying out shake culture at 27-29 DEG C and 140-160 rpm for 6-7 days; according to the method, high-solid enzymolysis can be achieved, the specific sugar yield is high, and when different batches of corn straw are treated, the specific sugar yield result difference is small.

The present application relates to the technical field of chemical engineering, and relates to a lignocellulose disassembly reagent for in-situ modified lignin, a high-quality lignin, a lignocellulose disassembly method and a preparation method of glucose. The lignocellulose disassembly reagent for in-situ modified lignin comprises p-toluenesulfonic acid, ferric chloride, polyethylene glycol and water; the amount of p-toluenesulfonic acid is 1% to 10% of the mass of the lignocellulose raw material, the concentration of FeCl3 in the disassembly reagent is 0.1 to 0.2 mol / L, and the amount of polyethylene glycol is 100 to 200 mg of polyethylene glycol added per gram of lignocellulose raw material. Through the synergistic effect of PTSA, FeCl3 and PEG, higher enzymatic efficiency can be obtained under the condition of lower cellulase addition amount, and the glucose yield can be up to 97.9%. The technical scheme has significant advantages in terms of improving sugar yield and regulating lignin structure, and is suitable for efficient comprehensive utilization of lignocellulose.

This invention discloses an in-situ enzymatic hydrolysis and saccharification method for corn straw, belonging to the field of biochemical technology. The method consists of the following steps: pretreatment, activation and expansion culture, preparation of auxiliary agents, preparation of crude enzyme solution, and enzymatic hydrolysis and saccharification. The enzymatic hydrolysis and saccharification involves mixing pretreated corn straw powder, corn steep liquor powder, potassium hydroxide, ammonium sulfate, magnesium sulfate, a first portion of water, and the crude enzyme solution, stirring at 27-29℃ and 180-220 rpm for 30-40 minutes, adjusting the pH to 4.7-4.9, sterilizing, and obtaining a fermentation medium. The auxiliary agents, seed liquid, and a second portion of water are mixed, stirred at 27-29℃ and 180-220 rpm, added to the fermentation medium, and cultured with shaking at 27-29℃ and 140-160 rpm for 6-7 days. This invention can achieve high-solids enzymatic hydrolysis with a high specific sugar yield, and the specific sugar yield results show little difference when treating different batches of corn straw.

The application discloses a kind of high-efficiency sugarcane leaf stripping equipment for sugar factory, including roller device, roller device includes feed cylinder, 1st screen cylinder, intermediate connecting cylinder, 2nd screen cylinder and discharge cylinder, using flange plate is sequentially coaxial connection of equal diameter as a whole, the stripping leaf scraper and stripping leaf column that are distributed in multiple spirals are equipped in roller device, roller device is supported by supporting ring device, in the mode that feed cylinder end is high and discharge cylinder end is low, it is installed on base in inclination, the outside of 1st screen cylinder, the lower section of the outside of 2nd screen cylinder is provided with collecting groove, the roller device is continuously rotated under the driving of transmission device.The raw material of sugarcane transported to sugar factory is efficiently stripped and impurity-removed to replace manual stripping, or the raw material of incoming factory is further stripped and impurity-removed, effectively reduces the impurity rate of raw material of sugarcane, and the sugarcane leaves are separated to the subsequent process for centralized treatment, to improve the sugar yield of sugar factory and the comprehensive utilization of sugarcane leaf resources.

The application discloses a kind of black Kui mushroom polysaccharide extract and preparation method thereof.The method uses microemulsion low eutectic solvent extraction formula to pretreat fungus powder, the formula is composed of homogeneous gel system of choline chloride, lactic acid, 1,3 butanediol, sucrose fatty acid ester, ethanol and complex enzyme, realizes the synergy of wall breaking and enzymolysis.Synchronous reaction is completed by gradient variable temperature treatment, and the extract is centrifuged by horizontal screw, and then double-water phase extraction purification is carried out using salting-out complexation synergistic precipitant containing dipotassium hydrogen phosphate, chitosan oligosaccharide, isopropyl alcohol and polyethylene glycol 200.The application simplifies the traditional six-step process to four steps, the extraction time is shortened to less than 90 minutes, the total sugar yield is more than 18%, the product purity is more than 90%, the complex enzyme dosage is reduced by 50%, the comprehensive cost is reduced by 22% compared with water extraction method, and the activity retention rate is increased to more than 95%, suitable for industrialized continuous production.

The invention discloses a method for saccharifying and pretreating bagasse based on charcoal-reinforced cellulosome in cooperation with fungal cellulase and application. According to the method, biochar is used for regulating and controlling cellulose degrading bacteria to efficiently synthesize small fibers in a lignocellulose-containing culture medium, and the biochar and low-load fungal cellulase are combined for application, so that efficient saccharification of pretreated bagasse is realized. By introducing the biochar, the metabolic activity of thalli can be enhanced, accumulation of cellulosome is promoted, and the cellulose degradation rate and the sugar yield are remarkably improved through the synergistic effect of the cellulosome and cellulase, so that the efficient sugar production effect is achieved while the usage amount of the cellulase is reduced. The invention provides a novel green, low-carbon and cost-controllable biomass waste saccharification treatment approach, provides an efficient and feasible technical scheme for lignocellulose resource utilization and biomass energy conversion, and has a good industrial application prospect.

This disclosure provides a method for improving the total G sugar yield in garcanetuzumab. Specifically, it provides a method for culturing eukaryotic cells expressing garcanetuzumab in a cell culture medium. By supplementing manganese ions and galactose during cell culture, the total G sugar level in garcanetuzumab is effectively increased to achieve the desired glycosylation profile.

This invention discloses a method for increasing the yield of acetylglucosamine in Bacillus subtilis. The method involves knocking out and verifying the key phosphatase YwpJ, which catalyzes the dephosphorylation of GlcNAc-6-P to generate GlcNAc. Overexpression of YwpJ reduces the excessive accumulation of intracellular phosphate sugars, eliminating the toxic effects of excessive phosphate sugars on cells and effectively secreting phosphate sugars extracellularly, thereby improving cell growth. Furthermore, knocking out the key genes murQ and nagBB in the GlcNAc synthesis precursor degradation pathway blocks the degradation of precursor substances, reduces carbon flux waste, and allows more carbon flux to be converted into products. Ultimately, the GlcNAc yield of the recombinant strain FMIP34 reached 26.1 g / L, an increase of 61.1%, and the GlcNAc conversion rate reached 0.483 g / g glucose.

The invention provides a sweet and fragrant oyster juice base material and a preparation method thereof, an oyster sauce composition and an oyster sauce. The preparation method comprises the following steps: performing enzymolysis on wheat flour by adopting amylase to obtain wheat flour reducing sugar, and after enzymolysis, the starch hydrolysis degree is 55% or above, and / or the starch sugar yield is 60% or above; supercritical carbon dioxide fluid is adopted to extract the oyster juice to remove lipid impurities and extract amino acid, the extraction temperature is 30-45 DEG C, the pressure is 15-40 MPa, and the supercritical carbon dioxide fluid comprises an entrainer; mixing the oyster juice extracting solution with the wheat flour enzymatic hydrolysate, and carrying out thermal reaction under the conditions that the temperature is 90-120 DEG C and the pH value is 5-7, so as to obtain the sweet and fragrant oyster juice base material. According to the method, lipid impurities are removed and amino acids are enriched by utilizing supercritical carbon dioxide fluid, and the oyster juice extracting solution and the wheat flour enzymatic hydrolysate are subjected to thermal reaction to generate fragrance, so that the fishy smell, the oyster flavor and the sweet fragrance of the oyster juice base material are improved.

The present application relates to the technical field of sugar industry process control, in particular, the present application relates to a kind of self-adaptive adjustment method and system of key process parameters of sugar boiling process, the hammer degree measurement value sequence is obtained by online hammer degree meter, the hammer degree range of recent period is calculated as signal fluctuation, accordingly, between the basic dead zone width and the maximum dead zone width, the dead zone width is adaptively adjusted, while monitoring hammer degree one-way cumulative deviation and signal oscillation frequency, when there is no oscillation and deviation is over threshold, temporarily reduce the dead zone to execute control once, then smooth recovery, after dead zone compensation, carry out PID operation to drive feed valve action, the present application can consider measurement noise suppression and process deviation response speed simultaneously, both reduce the frequent action of actuator to reduce equipment wear, and avoid hammer degree deviating from set value for a long time, effectively improve sugar paste crystal grain uniformity and sugar yield, adapt to the time-varying working condition of sugar boiling whole cycle.

The invention relates to the field of atractylodes macrocephala polysaccharide extraction, and particularly discloses a method for extracting atractylodes macrocephala polysaccharide at a low temperature and application of the atractylodes macrocephala polysaccharide in anti-aging. The problems that polysaccharide structures are possibly damaged, the polysaccharide yield is low, and the cost is high when polysaccharide is extracted through hot water are solved. The invention provides a novel method for extracting rhizoma atractylodis macrocephalae polysaccharide at low temperature, the polysaccharide substance is separated and purified to obtain rhizoma atractylodis macrocephalae heteropolysaccharide by adopting extraction of cold water extraction and ethanol precipitation, and an in-vivo anti-aging activity experiment finds that the rhizoma atractylodis macrocephalae polysaccharide with good anti-aging activity can be extracted by the method disclosed by the invention. In addition, the extraction method also has the advantages of economy, high efficiency and the like.