398 results about "Starch production" patented technology

The present invention relates to methods for producing high levels of alcohol during fermentation of plant material, and to the high alcohol beer produced. The method can include selecting plant material. Selecting can include excluding plant material that has been exposed to high temperatures or that has had high moisture content.

The invention is directed to methods of producing ethanol and decreasing residual starch production in a no cook fermentation comprising contacting granular starch containing substrates with a granular starch hydrolyzing enzyme, a protease, and a fermenting microorganism under suitable fermentation conditions at a temperature below the starch gelatinization temperature of the starch substrate to produce ethanol, wherein the ethanol production is increased and the amount of residual starch is decreased compared to a substantially similar method conducted without the protease.

The invention discloses a method for producing potato flake with high dietary fiber content. The method comprises the following steps: after the byproduct of wet potato residue generated through flour-residue separation during potato starch production is subject to acid base interaction, oxidation or enzymolysis and micronization, the micronized dietary fiber of potato is mixed with mashed potatoes obtained through steaming, boiling and smashing in a certain content ratio, the mixture is dried through a roller dryer, the moisture content in the product is smaller than or equal to 10 percent, and the potato flake rich in dietary fiber is produced after crushing and sieving. The method of the invention is suitable for being implemented in whole potato processing production enterprises, the produced potato flake is rich in an excess amount of dietary fiber and can be used as an auxiliary material for processing other foods, therefore, the economic value of the byproduct of starch production, i.e., wet potato residue is greatly increased, and pollution to the environment is reduced.

The present invention is directed to the methods for producing high levels of alcohol during fermentation of plant material, and to the high alcohol beer produced. The present invention is also directed to methods for producing high protein distiller's dried grain from fermentation of plant material, and to the high protein distiller's dried grain produced. The present invention also relates to reduced stack emissions from drying distillation products from the production of ethanol.

The present invention relates to methods for producing high levels of alcohol during fermentation of plant material, and to the high alcohol beer produced. The present invention also relates to methods for producing high protein distiller's dried grain from fermentation of plant material, and to the high protein distiller's dried grain produced. The present invention further relates to reduced stack emissions from drying distillation products from the production of ethanol.

A closed-loop cyclic utilization technology for the technological water in the procedure of preparing corn starch is disclosed. After the technological water is used to prepare sulfurous acid and immerse corn grains in it, it flows in technological water pool behind evaporation, condensing and regulating pH value. The technological water is also used for coarse grinding, fine grinding, and washing germinal buds and fibers. After two-stage air-floating separation, the water containing bran flows in protein depositing tank. The supernatant is drained in technological water pool and the protein deposit is recovered.

A potato block cutter is characterized by comprising a frame and a cutting trough. A push plate is disposed in the rear of the cutting trough. A horizontal guide bar is fixedly connected to the back of the push plate, and the other end of the horizontal guide bar is connected with a crank-rocker mechanism. The crank-rocker is driven by a motor to drive the horizontal guide bar and the push plate to move back and forth. The horizontal guide bar penetrates a guide rail welded on the frame. A tool positioner for cutting potato blocks is vertically disposed at the front end of the cutting trough. A collection hopper is arranged above the cutting trough. A horizontal collection baffle used for preventing material from falling to the back of the push plate is fixedly connected to the top end of the push plate. The potato block cutter is simple in structure and convenient to mount. The potato block cutter has the advantages that manpower is saved, production efficiency is improved, the problem that large potato blocks cannot pass a conveyor pump during the starch production process is solved, the potato block cutter operates at low speed and is safe to use, starch block is never crushed, starch loss is avoided, and the potato block cutter is simple in structure, light in weight and convenient to move.

The present invention is protein feed and its preparation process with potato slag. Protein feed is prepared with waste potato slag from starch production, and through squeezing to dewater, adding certain amount of supplementary material, inoculating certain amount of microbe seed and solid fermentation. The said preparation process is simple, and has high yield, low investment, low power consumption and other advantages. Thus obtained feed product has the fermented product, including microbe, metabolite and substrate utilized fully, and possesses the active components maintained, high amino acid content and high nutritious value.

The invention is directed to methods of producing ethanol and decreasing residual starch production in a no cook fermentation comprising contacting granular starch containing substrates with a granular starch hydrolyzing enzyme, a protease, and a fermenting microorganism under suitable fermentation conditions at a temperature below the starch gelatinization temperature of the starch substrate to produce ethanol, wherein the ethanol production is increased and the amount of residual starch is decreased compared to a substantially similar method conducted without the protease.

The present invention belongs to chemical synthesis process of polymer and relates to the production of synthetic resin. By combining artificial polymerization and polymer grafting into one step, the present invention produces high-hydroscopicity resin with corn powder in one step. Turf is added into the material to improve performance and exothermic reaction for heat crosslinking is adopted for easy temperature control. The technological process is simple and produces no side product and waste, and the product has hydroscopicity of 800-1000 times and is biodegradable. The product may be used as water saving material in solving crop water deficiency problem.

The invention belongs to the technical field of a squeezing processing method of malt syrup by adding enzymic preparation and a saccharifying method of squeezing substance in a malt sugar production technology. The invention has the main technical points of providing the squeezing processing method of the malt syrup raw material for producing ultrahigh malt syrup by adding the enzymic preparation and the saccharifying method of the squeezing substance of the malt syrup raw material using the added enzymic preparation. Compared with the traditional multienzyme cooperation method for producing the malt syrup without squeezing the malt syrup raw material, which is generally adopted at present, the needed saccharifying time is just 2 / 3-1 / 2 of the traditional saccharifying time at present when the malt syrup content of sacharifying liquid without squeezing the malt syrup raw material which is added with the enzyme preparation is reached more than 90%, and a starch production process and a spray liquefaction process are saved. The method disclosed by the invention can be used for producing the ultrahigh malt syrup with the malt syrup content being larger than 90%, and can also be used for producing common malt syrup with the malt syrup content being less than 60^ and the high malt syrup with the malt syrup content being 60-80 %.

The invention relates to a production technology of resistant rice starch. A production method for preparing resistant rice starch comprises the following steps: firstly, gelatinizing, debranching and crystallizing the rice starch, and then drying the extracted resistant rice starch to obtain the resistant rice starch; improving the content of amylase in the rice starch by debranching treatment; controlling the concentration of the gelatinized rice starch at 20-50%, the debranching enzyme content at 12-25U / g, the debranching temperature at 45-55 DEG C and the debranching time at 12-20 hours; crystallizing under the condition of 2-12 DEG C after debranching is ended, and then extracting the resistant rice starch, and drying under the condition of 50-70 DEG C. The excessive rice resources such as broken rice and early indica rice can be reasonably utilized, the economic value of the potential resources is increased, and the produced resistant rice starch can overcome the defects of the traditional dietary fibers. By adopting the production method disclosed by the invention, the deep processing utilization level of the rice starch in China can be improved, and the method has important significance on development of grain storage enterprises and rural economy.

The invention discloses an edible casing membrane with a blend of collagen fibers and starch. The edible casing membrane comprises the following components in percentage by weight: 35-50% of collagen fibers, 23-30% of starch, 2-5% of chitosan, 2-5% of sodium carboxymethyl cellulose (CMC), 16-22% of water, 2-5% of glycerol and 0.002% of glyoxal. According to the edible casing membrane with a blend of collagen fibers and starch, the casings produced by modified starch have better combination with meat stuffing, can meet the requirements of boiling at high temperature for long time and frying at high temperature above 180 DEG C of sausages, and are more suitable for breakfast sausages; compared with the previous invention, the casings have a significant improvement in resistance to boiling and frying at high temperature.

This invention provides a technology of starch production without waste, belonging to water and energy-saving technology in the production of starch, and its process is: corn-> purification -> transportation immersion -> breaking into pieces -> corcle separation -> fine grinding-> fiber separation -> protein separation -> starch washing -> starch milk -> starch for commodity. The process mainly uses the advanced ''ring closure and countercurrent'' new technology with simple technology, saving investment, simplicity, and other characteristics, the technical water are that of process instead of previous one-time water to reduce water consumption and save energy significantly. The usage of water is only in the final process with quantified control, thus it increases the yield of products and by-products, makes the total dry corn yield increase 3%-5%.

The invention provides a tuberous starch slurry-residue separation technique by screening and pressure filtration, which modifies slurry-residue separation procedures in tuberous starch production, and combines a vertical screen, a filter press and screen cleansing into a complete stereoscopic elevation difference technological process, wherein the vertical screen is used for separating residues from slurry by means of centrifugal force, the filter press is used for separating the residues from the slurry by means of extrusion force, and the vertical screen and the filter press in matched use can avoid the problem of poor cleanliness when tuberous residues are treated by vertical screen equipment, so that slurry-residue separation effect can be more effectively improved, feeding once is achieved, and multiple procedures including matched use of the emulsion slurry, the residues and process water, pressure drying of the tuberous residues can be completed by means of multiple screening and pressure filtration. Besides, power, automation, the amount of equipment, process water consumption and labor forces can be greatly reduced, the technique has the advantage of saving of operation cost and energy, emulsion slurry concentration is improved, starch extraction ratio is increased, and good technical effect is achieved.

The present invention relates to methods for producing high levels of alcohol during fermentation of plant material, and to the high alcohol beer produced. The method can include selecting plant material. Selecting can include excluding plant material that has been exposed to high temperatures or that has had high moisture content.

The invention relates to the technical fields of starch production, and particularly relates to medicinal pregelatinized hydroxypropyl starch and a preparation method and use of the medicinal pregelatinized hydroxypropyl starch. The preparation method comprises the following steps: 1 pretreatment and activation of starch; 2 synthesis of hydroxypropyl starch; 3 refining of the hydroxypropyl starch; and 4 preparation and refining of pregelatinized hydroxypropyl starch. The pregelatinized hydroxypropyl starch obtained by the method is high in content of effective components, and low in impurity content; the microbial limit is controlled; and the solubleness and the freeze-thaw stability of the pregelatinized hydroxypropyl starch in cold water are greatly improved, thus achieving the medicinal grade standards.

The invention discloses a method for extracting pea molasses and pea protein isolate from pea starch production wastewater. The method comprises the steps in sequence of protein extraction, acid sedimentation separation, washing separation, neutralization, whey concentration, flash distillation for sterilization, drying and powder-sieving. The extraction method can improve the purity and yield of pea protein isolate efficiently; wastewater generated from the production of pea protein isolate is collected for extracting pea molasses for use, so that the wastewater is fully utilized, and resource waste and environment pollution are alleviated. The pea protein isolate produced by the method has the content of more than 90%, has quite high water-retaining property and oil absorption capacity, and has gel formability better than that of soybean protein isolate. The pea molasses produced by the method is a brown syrup-shaped substance with the content of total sugar within 50%-60%, and has relatively great application prospect in the aspects of foods, medicines and light industry.

The invention discloses a technology for immersing corn in a corn starch production process, wherein the technology uses a seven-can immersing method, and comprises a seventh into fragmentation grinding and a first can where new core is added, new-prepared acid is added into a sixth can before into fragmentation grinding, and concentration of sulfurous acid in the new-prepared acid is 0.15-0.17%; before the new-prepared acid is added, a can-inversing method is used, that is opposite to the direction in which the core is fed, a immersion liquid in the first to sixth cans is orderly poured form a can with a bigger sequence number to a can with a smaller sequence number, the liquid is poured until a liquid level that the immersed core is not exposed, and the immersion liquid level in each can is same; and the a total immersion time of the core is controlled in a range from 25h to 29h. The technology for immersing corn in the corn starch production process, strictly controls the immersion concentration and temperature, needs short immersion time, can effectively immerse out effective components in the corn, and has advantages of high yield, low concentration of sulfurous acid, short immersion time, and low power consumption and steam consumption.

The invention relates to a bacterial cellulose culture method which concretely comprises the steps of: inoculating acetobacter xylinum strain in a culture medium for recovery; after recovery, inoculating 2-20% of acetobacter xylinum strain in the culture medium; culturing the inoculated acetobacter xylinum strain by a shaking bed for 2-3 days under the condition of 100-180 rpm; and transferring the obtained fermentation liquor into a shallow tray and culturing for 2-5 days in a static state to obtain bacterial cellulose, wherein the culture temperature is 26-31 DEG C, the culture ventilation amount is 0.3-0.6vvm, and the culture medium is potato culture solution. The culture method has the characteristics that: potato waste residue obtained after starch production is firstly taken as the raw material of the culture medium, is treated by a simplest method and then is used as the culture medium for culturing the bacterial cellulose; the culture medium is low in cost and high in yield; meanwhile, the problem of recycling the potato waste residue can be solved, and the culture time is short; and in addition, the invention provides an important condition for stably culturing the bacterial cellulose in a large scale.

Methods of and systems for recovering starch before fermentation in a dry mill process and / or a wet mill process. The starch is able to be further purified. The starch can be used as a feedstock for biotech uses, such as, making one or more types of butanols. The method is able to recover starch from floury and horny endosperm. In some embodiments, the method includes liquefying milled corn and separating, purifying and recovering the starch in both floury and horny endosperm before fermentation. In some embodiments, the method includes subjecting the milled corn flour in a caustic condition and next recovering the starch before fermentation. In some embodiments, the method includes soaking / steeping the corn, grinding the corn and separating the germ from the starch in a wet mill similar condition before fermentation.

The invention relates to the field of high polymer materials, and discloses a preparation method of high-strength TPS starch for degradable materials. The preparation method comprises the following steps: firstly, by utilizing a wet modified starch production process, adding a bio-enzyme preparation under the conditions of controlling the temperature and pH value, then controlling the temperature of obtained slurry, adding an inhibitor, carrying out cross-linking agent and esterification treatment to obtain modified starch, mixing and adding a starch matrix reinforcement material into powder in a dry method for treatment, adding a proper amount of glycerol and a modifier, extruding by a twin-screw extruder, air-cooling, slitting and granulating to obtain a thermoplastic TPS starch granular material with good strength. Compared with common starch, the thermoplastic TPS starch particle material has the advantage that the mechanical property can be improved by adding the thermoplastic TPS starch particle material into a degradable material.

The invention relates to a corn-starch manufacturing technique, especially the corn starch sewage zero discharge manufacturing technique. It includes the following working procedure that purifying, dipping, milling and sieving, starch milk refining, fu-water treating. In the dipping working procedure, the dipping baiting is used sparse corn steep liquor as the baiting water; the dipped corn is used the process water to feed continuously; in the grinding and sieving, the process water is used when de-embryo mill is working, to clean the embryo, fiber, to make the acid water when the fibril filtering medium is returned to the fifth fiber washing tank; in the starch milk refining, the process water is used as the washing water for the separator, and the filter cloth of the protein vacuum filter; in the fu-water treating, the starch milk dehydration filtrate should be distributary used after revolving, all of the sealing cooling water in the centrifugal pump should be concentrating recycling. In the whole operation procedure, the processing water is formed closed cycle to realize sewage zero discharge, so it can solve the sewage treating problem, and each ton of starch consumes 1.5-2.2 ton of water.

The invention discloses a soaking process for preparing corn starch. The soaking process comprises the following steps: (1) performing primary soaking; (2) inoculating lactic acid bacteria to obtain fermentation liquor; (3) performing coarse crushing; (4) performing secondary soaking, namely adding cellulase and acid protease into the prepared fermentation liquor, keeping temperature for 4-6 hours at the temperature of 48-52 DEG C, and executing a starch production process, wherein the cellulase accounts for 0.1-0.3 percent of total weight of corn, and the acid protease accounts for 0.2-0.5 percent of total weight of the corn. In the corn soaking process, the corn soaking time can be shortened, the yield of the corn starch can be increased from about 68 percent to about 69.5 percent, and the economical benefit is remarkable.

The invention discloses a treatment method for recycling potato starch production factory wastewater, relating to the technical field of starch wastewater treatment. The method comprises the following steps: precipitating, regulating the pH value of the precipitate with acid, regulating the pH value of the precipitate with alkali, exchanging and recycling heat, carrying out anaerobic treatment, aerobic biochemical treatment and ultrafiltration membrane treatment, and detecting emissions. The COD (chemical oxygen demand) of the wastewater treated by the method is less than 50 mg / L, the chroma removal rate of the wastewater is not lower than 99%, and the water quality chroma index is lower than 10 times. The invention has the advantages of low treatment cost, high operation stability and high treatment efficiency, can generate additional economic benefits, and is suitable for wide popularization.

This invention relates to taro starch production process, belongs to subsidiary agricultural products deep processing region. The invention mainly transit sol, filtration, chromatography, separation, dryness etc. steps to extract taro starch.

The invention provides a corn soaking method in waxy corn starch production.The method comprises the first step of primary soaking, wherein waxy corn serves as a raw material, water, lactic acid and complex enzyme are added, and soaking is conducted; the second step of waxy corn degerming, wherein broken degerming is conducted on the soaked waxy corn; the third step of secondary soaking, wherein water and compound protease are added into the broken-degermed waxy corn, standing soaking is conducted, and after soaking, the waxy corn gets into the starch production procedure.By means of the method, the waxy corn soaking efficiency can be effectively improved, the soaking time can be shortened, a safe soaking agent is adopted, sulphurous acid is not added in the soaking process, no SO2 pollution is caused, and the yield of waxy corn starch is increased.

The invention discloses a method for preparing polypeptide wine from directly fermented broad bean protein hydrolysate. The method comprises steps of (1) enzymatic hydrolysis, (2) enzyme deactivation and centrifugation, (3) sugar regulating, (4) yeast activating, (5) fermenting, (6) post-fermenting, (7) clarifying and filtering, (8) blending, and (9) sterilizing. According to the invention, broadbean protein isolate extracted from a starch-production waste liquid in a broad bean starch factory is adopted as a raw material, and the broad bean polypeptide wine is prepared with a double-enzyme hydrolysis technology by using alkaline proteinase and flavor proteinase, and a fermentation technology. With the application of the flavor proteinase and yeasts, the bitter taste of broad bean polypeptide can be reduced. At last, beta-cyclodextrin is added, such that the bitter taste caused by polypeptide fermentation broth can be greatly reduced, such that the taste of the prepared broad bean polypeptide wine is more delicious and rich, the protein can be prevented from solidification caused by alcohol produced by fermentation, and the stability of the product can be improved. Also, as a test result, the polypeptide fermented wine has a good oxidative stability and an outstanding healthcare function.

The invention relates to a method for producing oxidized starch. The method comprises the following steps of: adding copper sulfate accounting for 0.005 to 0.02 percent of dry starch into starch milk and uniformly stirring the mixture; adding sodium hypochlorite into the mixture, controlling liquor adding speed, keeping the pH value of the mixture at 9, adding 4 percent solution of sodium hydroxide into the mixture when the pH value of the mixture falls, adjusting the pH value to be 9 and controlling a temperature to be between 32 and 35 DEG C; adding hydrochloric acid into the mixture after an oxidation reaction is performed so as to adjust the pH of the starch milk to be neutral; and centrifugally dewatering the starch milk and performing air drying on the dewatered starch milk until the water content of the starch milk is less than or equal to 14 percent. An activation process is added in the oxidized starch production method, so that the oxidation reaction speed of the starch is increased, reaction time is shortened and the using amount of the sodium hypochlorite serving as an oxidant is reduced.