51results about "Saccharides production" patented technology

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 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.

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 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 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 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 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.

The present disclosure relates to a mixed sugar composition containing tagatose and sorbose.

The concentration equipment comprises a base, an adjusting mechanism is arranged on the upper end face of the base, a mounting box is arranged on the adjusting mechanism, a sleeve is arranged on one side of the mounting box, a feeding pipe and a pressurizing pipe are connected in the sleeve, a purifying mechanism is movably arranged in the mounting box, and a discharging pipe is arranged in the purifying mechanism. A liquid discharge pipe is arranged at the lower end of the mounting box; the xylooligosaccharide concentration device is simple in structure and reasonable in design, achieves the effect of rolling concentration of xylooligosaccharide raw materials in the concentration barrel, and compared with pure high-pressure concentration by stacking the raw materials above a filter membrane, is small in permeation resistance and smooth in liquid drainage, and remarkably improves concentration efficiency, shortens concentration time and reduces production cost due to continuous and slow mixing. Meanwhile, certain downward pressure is provided for the xylooligosaccharide raw material during concentration, sufficient extrusion of the interior of the raw material is guaranteed, the concentration efficiency is further improved, and the actual requirement for xylooligosaccharide purification at present is better met.

A method of separating and recovering a first carbohydrate from a feed solution comprising two or more carbohydrates and salts using a chromatography separation system which comprises one or more strong acid cation exchange resin, and recovering at least one fraction enriched in the first carbohydrate.

The invention relates to a method and an apparatus for treating plant based raw material with an enzymatic hy- drolysis, in which theplant based raw material (1) is treated to form lignocellulosic material (3a,3b) and the lignocellulosic material (3a,3b) or its fraction (10) is conducted into the enzymatic hydrolysis (4), wherein the method comprisesat least one treatment stage (2a,2b,2c) in which the plant based raw material (1) is treated so that the lignocellulosic material (3a,3b) contains over 80 % fine solid particles which are fiber-like or indefinable particles smaller than 0.2 mm, defined by an optical measurement device,the lignocellulosic material (3a,3b) orat least one frac- tion (10) of the lignocellulosic material is supplied into the enzymatic hydrolysis (4) for forming a lignin based material (5), andat least one solid-liquid sepa- ration stage(6) after the enzymatic hydrolysis (4) in which a lignin fraction (7) and a soluble carbohydrate containing fraction (8) are separated. Further, the in- vention relates to the soluble carbohydrate containing fraction,the ligninfraction,the lignin based materi- al, the liquid fraction and the solid fraction,and theiruses.

To provide a particular crystalline allulose, a method for producing the crystalline allulose with high yield and high purity, and, furthermore, sweeteners containing the crystalline allulose, various foods and beverages using the sweeteners, and the like.SOLUTION: There is provided an allulose crystal having an X-ray spectroscopic spectrum having peaks at diffraction angles (2θ)±0.2 of 15.24, 18.78, and 30.84. The allulose crystal of the present invention has better flowability than fine powders, are not easily caked and stable during storage, and are easy to distribute and handle.SELECTED DRAWING: None

Steviol glycoside compositions having improved sweetness and flavor profiles are described.

The utility model discloses a sugarcane xylooligosaccharide extraction device, and relates to the technical field of extraction devices.The sugarcane xylooligosaccharide extraction device comprises an extraction tank, an injection valve A is fixedly arranged on the peripheral surface of the extraction tank, an injection valve B is fixedly arranged at the position, below the injection valve A, of the peripheral surface of the extraction tank, and a limiting groove is formed in the side, close to the injection valve A, of the top end of the extraction tank; a filtering assembly is arranged at the position, located at the limiting groove, of the top end of the extraction tank and comprises a filtering box connected with the limiting groove in a sleeving mode, the top end of the filtering box is fixedly connected with a top plate with one side connected with the extraction tank in a clamped mode, and the two sides of the filtering box are fixedly connected with filtering nets used for filtering a solution; aiming at the problem that available substances still exist in filtered residues, the device achieves secondary extraction of the residues through cooperation of the limiting groove and the filtering box, during next-batch extraction, the filtering box for intercepting and storing impurities is placed at the limiting groove, secondary extraction is achieved by flushing the impurities through an injected solution, the production cost is reduced, and the production efficiency is improved. The raw material utilization rate is greatly improved.