79results about "Saccharides production" patented technology

This biomass extract is a water-soluble biomass extract which is extracted from a biomass raw material containing lignin or hemicellulose, and contains more carbon than the carbon content of saccharides contained in the biomass raw material. This method for producing a biomass extract comprises: heating and pulverizing a biomass raw material to prepare a biomass pulverized product; and extracting a biomass extract from the biomass pulverized product with water.

Non-dried allulose crystals are dried in a temperature treating step (b) in a drying apparatus at a temperature of about 25° C. to about 70° C., and in a conditioning step (c). The temperature treating step (b) may be carried out (b1) at atmospheric pressure and a residence time of about 5 minutes to about 5 hours. The temperature treating step (b) may be carried out (b2) under reduced pressure and constant temperature and a residence time from about 40 minutes to about 5 hours. The conditioning step (c) may be carried out (c1) over a period of about 30 minutes to 7 hours at a temperature from about 40° C. to about 70° C. The conditioning step (c) may be carried out (c2) over a period of about 15 minutes to about 90 hours at about 30 to about 60% relative humidity, and a temperature of about 25 to about 40° C.

The invention provides an energy-saving production process of xylose. The energy-saving production process comprises the following steps: crushing corncobs; a hydrolysis step; decolorizing with activated carbon; removing carbon; performing high-pressure membrane concentration; a step of adding calcium for neutralization; a step of over-carbon saturation reaction; ion exchange; performing secondary membrane concentration; carrying out secondary decolorization and interchange; moisture is removed through a triple-effect or higher-effect evaporator, and the sugar degree is increased to 65%; cooling and crystallizing the high-concentration liquid to generate high-purity xylose powder, and drying the xylose powder; warehousing finished products, sealing boxes of the obtained finished products, bagging and entering a warehouse; the energy-saving xylose production process has the advantages that the membrane concentration equipment is introduced into the production process before neutralization, so that the volume of all subsequent liquid is reduced, and the scale of subsequent treatment equipment and the consumption of water are reduced. A large amount of organic acid is removed in the concentration process, occupation of the organic acid on resin is reduced, and the exchange rate is increased; all substances except the organic acid are concentrated, and after the concentration is increased, a large amount of salt is removed through neutralization, so that the treatment content of a subsequent impurity removal procedure is reduced.

The utility model discloses an integrated secondary separation device for xylooligosaccharide extracting solution, which relates to the technical field of concentration equipment and comprises a separation tank and a cleaning component arranged in the middle of the right side of the separation tank. The cleaning assembly comprises a shell, a driving motor, a driving shaft, a cam, a first reset spring, a transverse plate, a movable sealing plate, a molecular sieve filter, a brush head, a swing rod and a second reset spring, the driving motor is installed at the front end of the shell, the output end of the driving motor penetrates through the front end of the shell to be connected with the driving shaft, and the driving shaft is sleeved with the cam. According to the integrated secondary separation device for the xylooligosaccharide extracting solution, when the surface area of a molecular sieve filter is reduced due to material attachment, a cleaning agent in an agent tank is pumped to a connecting hose and a spray head branch pipe through a water pump, and a dispersed water column spraying effect is realized through spray heads, so that the cleaning agent can be uniformly sprayed to each position of the molecular sieve filter; and clean flushing is ensured.

The invention relates to the technical field of resin preparation, in particular to macroporous weak-base anion exchange resin as well as a preparation method and application thereof. The crosslinked styrene-divinylbenzene microsphere matrix obtained by a preparation process of regulating and controlling the crosslinked styrene, the divinylbenzene and the pore-foaming agent and adding the crosslinking agent has the advantages of high mechanical strength, controllable specific surface area, adjustable pore diameter and the like. A macroporous weak base anion exchange resin; according to the method, the total exchange capacity reaches 4.8 mmol / g or above, the resin sphericity in the fatigue strength of 100 cycles is 90% or above, the resin sphericity in the fatigue strength of 300 cycles is 70% or above, the treatment volume ratio (BV) in the first cycle in the xylose decolorization process is 80 or above, and the purposes of improving the resin quality, reducing the environmental pollution and improving the energy efficiency ratio can be achieved.

The present application belongs to the field of separation of agroforestry biomass components, and provides a method for subcritical hydrolysis and alkaline DES treatment of castor straw fiber to hydrolyze associated oligomeric xylose and micro-nano lignin. The subcritical hydrolysis method is used to treat castor straw raw materials to obtain a large amount of oligomeric xylose, a small amount of micro-nano low molecular weight lignin and a hydrolysis residue rich in cellulose and lignin; then the hydrolysis residue is treated with alkaline deep eutectic solvent (DES) to obtain a slurry rich in cellulose and micro-nano high aryl ether bond lignin. Finally, the slurry rich in cellulose is enzymatically hydrolyzed by biotechnology to obtain high-yield glucose products. The present application integrates subcritical hydrolysis reaction and alkaline DES treatment technology, and can obtain various high-value-added products of castor straw biomass under mild reaction conditions, thereby providing technical support for the value-added of castor industry and the utilization of castor straw resources.

A hydrogel dressing with bacteriostatic repairing effect comprises the following components in parts by weight: honeysuckle hydrolat 18-22 parts, sanghuang polysaccharide extract 6-8 parts, gelatin 1-3 parts, humectant 2-4 parts and nutrient agent 1-3 parts. The polysaccharide in sanghuang powder is extracted by ultrasonic synergistic cellulase method, cellulase can effectively degrade cellulose in plants, and then effectively break the plant cell wall, so that the plant cell polysaccharide is effectively dissolved, thereby improving the extraction amount of sanghuang polysaccharide. The process is simple, low in price, mild in conditions, and pollution-free to the environment, and is conducive to green industrial production. The sanghuang polysaccharide prepared by the application has strong antibacterial ability and good antioxidant capacity, and is easier to deeply nourish the skin. The weak acid honeysuckle hydrolat with strong anti-inflammatory and antibacterial ability and natural source is used instead of deionized water to prepare cosmetics. The weak acid honeysuckle hydrolat is more suitable for the skin due to its weak acidity, and the special plant fragrance emitted by the weak acid honeysuckle hydrolat can also cheer the body and mind.

The invention discloses a high-efficiency environment-friendly starch sugar production method, which comprises: (1) crushing sorghum starch, screening, adding into water, adjusting the pH value, adding alpha-amylase and ferulic acid, completely liquefying, adding saccharifying enzyme and potassium sorbate, and saccharifying; and (2) refining and concentrating the saccharified sorghum starch in the step (1), then drying high-concentration sorghum starch syrup to obtain sorghum starch sugar powder, and finally packaging to obtain a finished product.

The invention discloses a special extraction device for a stachyose production process, and relates to the field of stachyose preparation, the special extraction device comprises a drying cylinder, a feeding mechanism for spraying stachyose concentrate is arranged at the top in the drying cylinder, and a hot air mechanism is arranged at the bottom in the drying cylinder; a scraping mechanism is arranged in the drying cylinder and comprises an arc-shaped scraping plate attached to the inner wall of the drying cylinder, and the arc-shaped scraping plate is driven to move in a reciprocating mode so as to scrape away materials attached to the inner wall of the drying cylinder. And through the arranged arc-shaped scraping plate, materials (stachyose concentrate) attached to the inner wall of the drying cylinder can be scraped away, and the caking phenomenon caused by long-time drying is avoided.

The invention belongs to the technical field of xylose preparation, and particularly provides a xylose stock solution continuous ion-exchange purification device which comprises a plurality of ion-exchange tanks which are communicated through pipelines to form a continuous ion-exchange purification system, the ion-exchange tank located at the head end is communicated with a xylose stock solution inlet pipe, and the ion-exchange tank located at the tail end is communicated with a xylose stock solution outlet pipe; an ion exchange tank inlet is formed in the top of the ion exchange tank, a plurality of supporting plates are fixedly connected to the middle of the side wall of the ion exchange tank, a first electrode column is fixed to one supporting plate and electrically connected to a power source, an electrode column connecting frame is fixedly connected to the bottom of the supporting plate, and an electrode base is arranged on the top of the electrode column connecting frame and electrically connected to the power source. A supporting frame is fixed to the end of the supporting plate, a resin cage is detachably fixed to the supporting frame, resin is arranged in the resin cage, a second electrode column is fixed in a cage body of the resin cage and electrically connected with the electrode base, and an ion exchange tank outlet is formed in the bottom of the ion exchange tank. The device can improve the purification degree and accelerate the purification efficiency.

divalent metal ion salts, such as calcium salts, for reducing browning of reducing sugars and / or the formation of acrylamide during heating in the presence of an amine-containing food ingredient; sweetener compositions comprising a divalent metal ion salt and a reducing sugar; use of a divalent metal ion salt for reducing browning and the formation of acrylamide in a food product comprising a reducing sugar during heating in the presence of an additional amine-containing food ingredient; a method for reducing browning and the formation of acrylamide in a food product, the method comprising a) combining a reducing sugar with a divalent metal salt and at least one additional amine-containing food ingredient to provide an unheated food product, and b) optionally heating the unheated food product to provide a heated food product; and food products comprising a reducing sugar, a divalent metal ion salt, and the additional amine-containing food ingredient.

The present invention relates to a system and method for producing high-quality xylitol crystals. The system includes a conditioning tank, a heat exchanger, a decolorization tank, an ion exchange system, a microporous filter, a first evaporator, a first crystallization tank, a first centrifuge, a fluidized drying tank, a xylitol dissolving tank, a second evaporator, a second crystallization tank, a second centrifuge, a hot air drying tank, and a cold air fluidized bed, which are connected in sequence through a pipe, the first centrifuge is further connected to the conditioning tank through a pipe, the second centrifuge is further connected to the xylitol dissolving tank through a pipe, the conditioning tank is provided with a supply port for xylitol hydrogenation liquid, the xylitol dissolving tank is further provided with a water supply port for purified water, and the material from the cold air fluidized bed is the xylitol crystal product. The present invention adds water to the initially produced xylitol crystals at a certain ratio to dissolve them to obtain a higher purity xylitol solution, and recrystallizes the xylitol solution to produce xylitol crystals with a higher pH and better flavor.

The application discloses a device and method for preparing xylose by electric-thermal coupling dilute acid pretreatment of wood fiber, and belongs to the technical field of biomass resource utilization. The device comprises an electric-thermal reaction unit, and a time-varying magnetic field in a magnetic core in the electric-thermal reaction unit is used as an excitation source to spontaneously induce electric effect and thermal effect on reaction liquid in the reaction tube, so that electric-thermal synergic treatment is completed. The method comprises the following steps: mixing wood fiber raw materials with a dilute acid solution, and then performing electric-thermal pretreatment by using the device; and the electric-thermal coupling dilute acid pretreatment can remove a large amount of hemicellulose and a small amount of lignin in the wood fiber. The application reduces energy loss of traditional hydrothermal treatment, pretreats the wood fiber by means of electric effect, reduces pretreatment temperature, and avoids requirements on equipment or devices under a high-temperature and high-pressure environment.

The present invention relates to a method for preparing a mixture of indigestible α-glucans from a substrate rich in oligosaccharides having a degree of polymerization (DP) of 4.

The present disclosure relates to microorganisms useful for the biosynthesis of psicose. Methods for producing the disclosed microorganisms and methods for producing psicose are also provided. TIFF2025530206000101.tif93138

The present invention relates to the technical field of orange brown sugar production, and discloses an extraction filtration apparatus for orange brown sugar production, the extraction filtration apparatus comprises a frame, and a stirring tank and a stirring member arranged on the frame, the stirring member comprises a stirring assembly and a circulation assembly, the bottom of the stirring tank is provided with an output port, and the wall of the stirring tank is provided with a side mounting port along the radial direction; the circulating assembly comprises centrifugal pumps arranged at the openings of the output ports and liquid outlet units arranged in the side mounting ports, and a plurality of liquid outlet ends of the centrifugal pumps are arranged in the circumferential direction of the centrifugal pumps in an array mode; the number of the liquid outlet ends of the centrifugal pump is consistent with that of the liquid outlet units, the centrifugal pump and the liquid outlet units are connected through circulating pipelines, liquid discharging pipelines are arranged between the multiple circulating pipelines, connecting valve sets are arranged at the joints of the liquid discharging pipelines and the circulating pipelines, and the multiple connecting valve sets are correspondingly arranged.

The application discloses a treatment method of filter mud generated by a carbonization method for sugar production, and belongs to the technical field of food processing.The method is as follows: 1, sugar washing: a, five water tanks are arranged in sequence and connected, and the five water tanks are respectively filled with clean water, first water, second water, third water and fourth water; b, the cleaning method is that the filter mud is cleaned four times; c, the amount of water for washing each water tank is 1-4 times the mass of the filter mud; and d, the concentration of water for washing each water tank is accumulated and increased after each time of cleaning the filter mud, and is stable; 2, sugar extraction: the concentrated water after the fourth water washing is concentrated, a, pretreatment, b, membrane concentration; c, evaporation; and d, sugar syrup returns to a sugar workshop; 3, calcium oxide and carbon dioxide circulation; 4, waste heat recovery; 5, water circulation; and 6, water washing water supplementing.The beneficial effects are as follows: the existing filter mud for sugar production is treated as waste and entrusted to environmental protection, resources are wasted, a large amount of processing fee needs to be paid for entrusting, the filter mud is directly recycled in the sugar production process through the treatment method, and 100% resource utilization is achieved, and a large amount of cost is saved for sugar production.

The invention relates to a solid object and a method for producing the same. The solid object is produced from a biomaterial-based starting material comprising vinasse and / or molasses. In the method, a mixture produced from the starting material or a foam produced therefrom is formed and heat treated in order to produce a solid object. The obtained solid object is suitable to be used for example as a filler, a filter or catalyst substrate.

Psicose crystals are efficiently prepared from a psicose syrup using a seed crystal.

The utility model provides a corncob cooking device which comprises a cooking pot with an opening in the top, supporting legs, a discharging pipe, a control valve, a top cover, an electric heating device, a feeding hopper, a U-shaped fixing frame, a telescopic push rod, a fixing plate, a driving motor, a stirring shaft, stirring blades arranged at the side end of the stirring shaft and an L-shaped scraping plate. An adjusting screw rod is transversely arranged at the upper end of the stirring shaft, the vertical part of the material scraping plate is rotationally connected with the adjusting screw rod, and a connecting sleeve and a limiting bolt which are in sliding connection with the stirring blades are arranged on the material scraping plate. The top end of the horizontal part of the scraping plate is propped against the bottom of the stirring shaft. According to the corncob cooking device disclosed by the utility model, the basic requirement of cooking corncobs can be met, the corncobs adhered to the inner wall of the cooking device can be scraped and cleaned through the scraping structure, and the abrasion of the scraping structure can be supplemented, so that the service life of the scraping structure is prolonged.

The application provides a method for producing xylose and xylitol, and the method for producing xylose comprises the following steps: preparing a decolorized sugar solution by sequentially performing impurity removal, hydrolysis, neutralization and filtration, first ion exchange, first concentration and activated carbon decolorization on corn cob to obtain the decolorized sugar solution; preparing an ion exchange liquid by performing second ion exchange on the decolorized sugar solution to obtain the ion exchange liquid; preparing an effluent by performing particle carbon adsorption on the ion exchange liquid at a certain flow rate to obtain the effluent; preparing a concentrated sugar solution by performing second concentration on the effluent to obtain the concentrated sugar solution; and preparing a crystallization raw material by performing filtration and third concentration on the concentrated sugar solution to obtain the crystallization raw material. The application improves the xylose production process, reduces crystallization inhibitors and adhesive substances, improves the cleanliness of the feed liquid before crystallization, and reduces the replacement frequency of filter cartridges during precision filtration. The application also provides a method for preparing xylitol from xylose.

The present invention relates to the technical field of natural products and is a spinosad melezitose and an extraction method and application thereof. The spinosad melezitose extraction method is carried out according to the following steps: adding the defatted spinosad medicinal material to water according to the required material-liquid ratio for extraction, the extraction temperature is 65°C to 75°C, multiple extractions are performed, and the extracts are combined; the combined extracts are subjected to reduced pressure distillation to obtain a concentrated solution; ethanol is added to the concentrated solution to obtain a concentrated solution-ethanol system, the concentrated solution-ethanol system is allowed to stand at 0°C to 5°C, the supernatant is collected, and the supernatant is further allowed to stand at 0°C to 5°C to obtain a crystalline product; the crystalline product is subjected to decolorization and purification treatment to obtain purified spinosad melezitose. The spinosad melezitose extraction method of the present invention can obtain a spinosad melezitose with a purity of up to 99.85%. The spinosad melezitose can regulate the balance between pro-inflammatory factors and anti-inflammatory factors, regulate intestinal flora, and alleviate the symptoms of colitis mice.

The present application provides a kind of straw co-production 5-hydroxymethyl furfural, xylose and lignin method and its product, the method includes the following steps: step one, straw is treated with acid, then by steam explosion treatment, material is separated, and pretreated material and xylose solution are obtained;Step two, pretreated material is added to mixed solution and reacted, then solid-liquid separation is carried out, and lignin crude product and filtrate are obtained, and the filtrate is separated to obtain 5-hydroxymethyl furfural crude product;Wherein, the components in the mixed solution include organic solvent, water, acid, catalyst and the like.The present application is better from straw lignin and xylose separation, can also destroy the crystalline structure of cellulose under more mild conditions, and 5-hydroxymethyl furfural is obtained, which has good application value.

The purpose of the present invention is to provide a novel fructosylated maltitol and a method for producing the same. According to the present invention, provided is a method for producing fructosylated maltitol, which comprises a step (contact step) in which beta-fructofuranosidase having a beta-fructofuranosidase activity and having a sequence identity of 60% or more to the amino acid sequence represented by SEQ ID NO: 1 is brought into contact with sucrose and maltitol. According to the present invention, it is advantageous in that fructosylated maltitol can be easily and efficiently produced.

The present invention discloses a simple method for rapid and batch decomposition of cellulose, which relates to the fields of applied chemistry and physical technology. The chemical decomposition of cellulose is extremely difficult and is a global problem. The method of the present invention solves the problem of fast decomposition speed with low dosage of medicine. It comprises: spraying 22% (W / V) NaOH evenly on pure cotton fiber, using an amount of W g Cotton fiber: 22% NaOH V mL The method comprises the following steps: uniformly spraying the cotton fibers with NaOH in a 15°C refrigerator for more than 12 hours for preliminary digestion and decomposition; placing the preliminarily digested cotton fibers in a muffle furnace at (200±5)°C for another 0.5 hour for digestion and decomposition. This temperature prevents carbonization of the cellulose, at which point the cellulose is completely decomposed into short-chain polysaccharides; neutralizing the NaOH in the decomposed cellulose with 5.5 mol / L HCl; and removing salts and small molecular decomposition products with a dialysis bag having a molecular weight cutoff of 3500D to obtain purified short-chain β-1,4-glycosidic bond molecules.

A method for producing improved isomalto-oligosaccharides (IMOs) from maltodextrins is described. The improved method involves the complete or partial replacement of the β-amylase used in conventional methods with a selected α-amylase. The resulting IMOs have longer chain lengths and reduced residual glucose content compared to IMOs produced using conventional methods.

The teachings herein relate to dried allulose crystals having low water content. The water content of the dried allulose crystals may be at most 0.1 weight percent. Preferably, the water content is at most 0.01 weight percent and more preferably at most 0.001 weight percent. The dried allulose crystals preferably are free flowing. The dried allulose crystals preferably have reduced hygroscopicity and / or improved sensory properties.