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3797 results about "Potato starch" patented technology

Potato starch is starch extracted from potatoes. The cells of the root tubers of the potato plant contain starch grains (leucoplasts). To extract the starch, the potatoes are crushed; the starch grains are released from the destroyed cells. The starch is then washed out and dried to powder.

Technique for continuously extracting sweet potate starch, sweet potato protein and dietary fiber from sweet potato

InactiveCN101411419ARealize full price utilizationHigh economic valueFood preparationHigh concentrationPotato starch
The invention provides a process for continuously extracting sweet potato starch, sweet potato protein and dietary fibre from sweet potato specially for processing the sweet potato and belongs to the filed of food biotechnology. The sweet potato is cleaned, is added with a color protective solution, and is pulverized, ground and squeezed in order to separate sweet potato residue and cell sap; a cleaning solution of the sweet potato residue and the cell sap are mixed and are filtered through a standard sieve with 200 meshes; a filtrate is subjected to centrifugal dehydration twice and is dried to obtain starch; after starch milk is separated out, the filtrate is degraded with starch; the filtrate with molecular weight of between 5,000 and 10,000 is intercepted, ultrafiltered, condensed and dried to obtain coarse protein of the sweet potato; and the sweet potato residue is added into a biological reactor, is added with water, protease and amylase for reaction, and is subjected to filter pressing, drying and pulverization to obtain insoluble the dietary fiber of the sweet potato. The method can fully utilize organic compositions in the sweet potato, minimize the generation and emission of organic wastewater and waste residue with high concentration, realize the full-value utilization of the sweet potato, and remarkably improve the economic value of the sweet potato.
Owner:JIANGSU ACADEMY OF AGRICULTURAL SCIENCES

Alum-free sweet potato vermicelli capable of invigorating stomach and promoting digestion and preparation technology thereof

The invention discloses alum-free sweet potato vermicelli capable of invigorating stomach and promoting digestion. The alum-free sweet potato vermicelli is characterized by being prepared from the following raw materials in parts by weight: 400-450 parts of sweet potato starch, 20-22 parts of green bean starch, 1.6-2 parts of xanthan gum, 1.2-1.4 parts of composite phosphate, 20-30 parts of carrot, 10-14 parts of tomato, 14-18 parts of hyacinth bean, 15-25 parts of mushroom, 3-5 parts of lilium pollen, 5-7 parts of gelatine powder, 10-14 parts of water caltrop starch, 14-16 parts of polished round-grained rice, 8-10 parts of coloured malt, 6-8 parts of Chinese yam, 5-7 parts of medicated leaven and 7-9 parts of hawthorn. By the method of replacing alum with green bean starch, xanthan gum and composite phosphate for the sweet potato vermicelli, not only can the toughness and elasticity of vermicelli be increased, but also the bar breaking rate of vermicelli in boiling is reduced; the added raw materials including carrot, tomato, hyacinth bean and the like are capable of increasing the nutritional value of vermicelli; the added traditional Chinese medicine components including coloured malt, Chinese yam and the like are capable of enabling the vermicelli to have the health efficacies of invigorating stomach and promoting digestion and the like, and increasing the economic value of the sweet potato vermicelli.
Owner:陈予诺

Compound microporous starch powder hemostat and preparation method thereof

The invention belongs to the technical field of medical preparations, and in particular discloses a compound microporous starch powder hemostat and a preparation method thereof. The compound microporous starch powder hemostat uses potato starch and sweet potato starch as raw materials. The preparation method comprises the following steps: performing pregelatinization and ultrasonic pretreatment on the potato starch and the sweet potato starch, and then performing enzymatic hydrolysis on the potato starch and the sweet potato starch respectively to make pores so as to prepare microporous starches of the potato starch and the sweet potato starch respectively; in the process of enzymatic hydrolysis to prepare the microporous starches, adopting a vacuum freeze-drying method for drying the starches; using sodium trimetaphosphate to crosslink starch molecules so as to strengthen the structure; and mixing the potato crosslinking microporous starch and the sweet potato crosslinking microporous starch according to certain proportion to obtain the compound microporous starch powder hemostat. The microporous starch prepared by the method has strong hydroscopic property and obviously improved water-absorbing speed; besides, compared with the prior single-starch polysaccharide hemostatic material, the ingredients of the compound have improved performance and good hemostatic effect.
Owner:官培龙 +1

Method for preparing super absorbent resin through graft polymerization of hydrogen peroxide-oxidized potato starch

InactiveCN104177545ANo gelatinization process requiredReduce consumptionPotato starchPolymer chemistry
The invention discloses a method for preparing a super absorbent resin through graft polymerization of hydrogen peroxide-oxidized potato starch. The method is mainly characterized by comprising the following steps: neutralizing acrylic acid by using an alkali solution under the cooling effect of an ice-water bath, mixing with the hydrogen peroxide-oxidized potato starch and deionized water, heating in a water bath in the presence of nitrogen, slowly heating to 45-55 DEG C and carrying out graft polymerization to obtain the super absorbent resin, wherein the maximum water absorbing capacity of 1g of best products is up to 4000g/g in the 7000 times deionized water. The method for preparing the super absorbent resin, disclosed by the invention, has the following advantages that an initiator is not needed to be added and the raw material per se can serve as the initiator, so that no any impurity is introduced; the raw materials are easily dissolved in water and gelatinization is not needed in the process of preparing the super absorbent resin, so that the synthesis process is simplified; the polymerization reaction temperature is low, so that the energy consumption can be reduced; and the products are high in water absorbing capacity and excellent in performance, so that the method is more suitable for scale production, application and popularization of the products.
Owner:INNER MONGOLIA UNIVERSITY

Method for producing tasty instant rice noodles from broken rice

The invention discloses a method for producing tasty instant rice noodles from broken rice. The formula of the starch raw material of the tasty instant rice noodles comprises 72-84% of rice meal prepared from broken rice, 4-7% of potato starch, and corn starch of which the amount is 3 times that of the potato starch, and a polysaccharide thickener and an emulsifier are added. The production process comprises the following steps: making the starch raw material into starch dough; adjusting the extrusion parameters and temperature in the process of preparing wavy noodle blocks on an instant rice noodles production line; aging and re-steaming the noodle blocks, and drying by a three-section hot air circular drying method; and finally cooling, inspecting and packing. The instant rice noodles produced by the method disclosed by the invention can not cause paste soup, seasonings in the soup can enter the rice noodles, so that the rice noodles have good taste and toughness and is easy to cook; the soaking time is long that the rice noodles are not broken after being soaked for 12 hours, and the rice noodles have smooth and tough mouthfeel, good taste, unique flavor and rich nutrition; and moreover, the comprehensive utilization rate of the broken rice is improved, the production cost is reduced, and relatively high economic and social benefits are gained.
Owner:LOUDI TONGXING RICE

Method for preparing smoked sausages

The invention relates to a method for preparing smoked sausages. Raw materials include, by weight, pig lean meat 40-50 parts, pig prime condition meat 10-20 parts, chicken 10-20 parts, ice water 12-18 parts, salt 1.5-2 parts, white granulated sugar 1-2 parts, monosodium glutamate 0.2-0.3 part, seasoning liquid smoke 0.1-0.3 part, five-spice powder 0.1-0.2 part, ginger and shallot powder 0.1-0.2 part, pepper powder 0.02-0.06 part, isolated soy protein 2-5 parts, potato starch 2-3 parts, composite phosphate 0.3-0.4 part, carrageenan 0.3-0.4 part, plasma protein 2-5 parts, coloring liquid smoke 0.3-0.8 part, vitamin C 0.03-0.04 part and nitrite 0.006-0.007 part. The method for preparing the smoked sausages comprises the steps of arrangement of raw material meat, spraying and steeping, injection and batch-type pressure-transformation rolling, meat mincing, auxiliary material addition, standing and curing, chopping and stirring, sausage filling, drying, cooking, cooling, secondary drying and storage. The smoked sausages prepared by means of the method has the advantages of having smoky flavor liked by people and being high in low-temperature meat products, good in taste, easy to absorb, safe, reliable and capable of effectively prolonging quality guarantee period of the products. The method is simple and easy to perform and can be applied to mechanical production of factories.
Owner:HEFEI UNIV OF TECH

Potato starch-based edible composite food packaging film and preparation method thereof

The invention relates to a potato starch-based edible composite food packaging film and a preparation method thereof, and belongs to the technical field of food packaging. According to the potato starch-based edible composite food packaging film, potato starch, pullulan polysaccharide and gelatin are used as main film-forming materials, and a plasticizer and a cross-linking agent are used as auxiliary materials. The preparation method comprises the following steps of: adding water into the potato starch, performing water bath, stirring and gelatinizing, adding the pullulan polysaccharide and the gelatin, adding the plasticizer and the cross-linking agent finally, and casting the prepared solution to form the film. The potato starch-based edible composite food packaging film has the advantages that the raw materials for preparing the film are edible, harmless to human bodies and environment-friendly, and the raw materials are can be degraded biologically after being discarded; defoaming is not required in the film preparation process, and the process is simple and low in production cost; and the prepared film is transparent and glossy, high in mechanical performance and obstruction performance and attractive in appearance. The prepared film can be used for the inner packaging of food, so that harm of nondegradable food packages to the human bodies and environment is avoided.
Owner:JIANGNAN UNIV
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