395 results about "Amylose" patented technology

The invention provides melogabalin besylate tablets and a preparation method thereof. The melogabalin besylate tablets comprise melogabalin besylate, a filler, a disintegrating agent, an acid stabilizer, an antioxidant, a lubricant, a flow aid and a gastric-soluble film coating agent. The antioxidant comprises gallic acid, the acid stabilizer comprises maleic acid, and the filler comprises directly pressed starch, isomaltitol, mannitol and microcrystalline cellulose. By screening the antioxidant and the acid stabilizer, the stability of the tablet in the storage period is improved.

The invention belongs to the technical field of soil conditioners, and particularly relates to a rice field soil conditioner and application thereof. The invention relates to a rice field soil conditioner. The rice field soil conditioner is composed of a compound fertilizer and a complex microbial inoculant, the compound fertilizer is prepared by mixing the following components in parts by weight: 20-30 parts of rice husk biochar, 20-30 parts of shell powder and 10-15 parts of potassium fulvate, the complex microbial inoculant is prepared by mixing the following components: 3-4 parts of paenibacillus polymyxa; 2 to 3 parts of bacillus marinus; and 1.5 to 2 parts of bacillus firmus. The soil conditioner is composed of a compound fertilizer and a complex microbial inoculant, the complex microbial inoculant is formed by mixing three microbial inoculants of paenibacillus polymyxa, paenibacillus marinus and bacillus firmus, and the soil conditioner is beneficial for improving soil fertility and increasing the thousand seed weight of rice, so that the yield of the rice is increased. And the chalky grain rate of the rice can be reduced, the rice roughness, the head rice rate, the amylose content, the gel consistency and the like can be improved, the rice quality can be improved, and the economic benefit of the rice can be improved.

This invention discloses a method for preparing low-GI special dietary noodles, belonging to the field of special dietary food development. This invention screens negatively charged dietary polysaccharides and constructs a tightly packed quaternary network structure based on amylose, oleic acid, protein, and dietary polysaccharides. It prepares an amylose-oleic acid complex (complex 1) and a complex 1-protein ternary network (complex 2) stepwise, and then regulates the cooking process to form a complex 2-dietary polysaccharide quaternary network (complex). This invention significantly reduces the GI value of the noodles and improves their texture.

The invention provides a full-degradable polymer composite material for tableware and a preparation method of the full-degradable polymer composite material, and belongs to the technical field of polymer materials. According to the invention, amylose corn starch, hydrophobic modified corn starch, cassava acetylated distarch phosphate, a polylactic acid-poly (butylene succinate) interpenetrating network structure material, a copolymer of 3-hydroxybutyrate and 3-hydroxyvalerate, polycaprolactone, stearic acid modified micron titanium dioxide, chitosan quaternary ammonium salt and a composite plasticizer are adopted according to a specific ratio; the fully-degradable polymer composite material is obtained by compounding the composite heat stabilizer and stearic acid, has controllable and good biodegradability and good mechanical properties, enhances heat stability, improves processability, makes all the components easier to mix uniformly, facilitates molding processing of the material, and improves production efficiency and product quality.

The invention discloses a preparation method of an esterified modified starch derived hard carbon negative electrode material and application of the esterified modified starch derived hard carbon negative electrode material in a sodium-ion battery, and belongs to the technical field of sodium-ion battery negative electrodes. The preparation method comprises the following steps: firstly, carrying out one-step hydrothermal pretreatment on cheap cross-linked-esterified composite modified starch, and then carrying out one-step high-temperature carbonization to obtain the spherical hard carbon negative electrode material. And the compact stacking density formed by the spherical morphology is beneficial to shortening the diffusion path of ions and electrons. The acetyl group replaces part of hydroxyl groups in starch molecules, so that the content of amylose is reduced, the structural stability of the starch is enhanced, and the sodium storage performance is improved. In addition, the hard carbon negative pole piece is subjected to sodium pre-treatment through a liquid-phase sodium pre-treatment technology, so that the first efficiency of the battery is improved, and the long-cycle stability is promoted. The preparation process has the advantages of simple steps, simple equipment, good repeatability, no need of large-scale subsequent treatment, and suitableness for large-scale production.

A series of independent human-induced non-transgenic mutations found at one or more of the SBEII genes of wheat; wheat plants having these mutations in one or more of their SBEII genes; and a method of creating and finding similar and / or additional mutations of SBEII by screening pooled and / or individual wheat plants. The seeds and flour from the wheat plants of the present invention exhibit an increase in amylose and resistant starch without having the inclusion of foreign nucleic acids in their genomes. Additionally, the wheat plants of the present invention exhibit altered SBEII activity without having the inclusion of foreign nucleic acids in their genomes.

The invention discloses a Chinese yam fermented beverage and a preparation method thereof, and relates to the technical field of food processing. The Chinese yam is processed through enzymolysis-extrusion puffing, the molecular weight of Chinese yam starch is reduced, the solubility of the Chinese yam starch is improved, the viscosity of the Chinese yam is reduced, the digestibility of nutritional ingredients such as starch and protein is improved, and release of phenolic substances is promoted. The compound probiotics are adopted for fermentation, the characteristics of reducing sugar and amylose are comprehensively utilized, the content of total sugar (including starch and reducing sugar) in fermentation liquor is reduced, beneficial metabolites such as beta-glucosidase and glucan are generated, and the nutritional value and flavor of the product are improved.

According to the method, a polysaccharide derivative bonding type chiral chromatographic column with silica gel surface bonded amylose-tri (3, 5-dichlorophenyl carbamate) as a filler is adopted, a mixed solution of n-hexane and isopropanol is used as a mobile phase, the column temperature is 28-32 DEG C, the flow velocity is 1.1-1.3 ml / min, the column temperature is 20-30 DEG C, the column temperature is 20-30 DEG C, the column temperature is 20-30 DEG C, the column temperature is 20-30 DEG C, the column temperature is 20-30 DEG C, and the column temperature is 20-30 DEG C; an ultraviolet detector is adopted, the wavelength is 205-220 nm, and effective separation of the etomidate intermediate and the enantiomer thereof is achieved. The method is good in detection result accuracy and high in sensitivity, and compared with an existing analysis method, the method is better in separation effect, simpler in mobile phase composition, more durable in chromatographic column and lower in cost, so that a good guarantee is provided for quality control of the etomidate intermediate and etomidate.

The invention provides an amylose content regulator and application thereof in improving the amylose content of wheat, and relates to the technical field of plant variety improvement. The amylose content regulator is mainly prepared from 24-brassinolide with the concentration of 0.2 to 25 [mu] g / L, abscisic acid with the concentration of 0.05 to 6.25 mg / L, zinc sulfate with the concentration of 0.1 to 1 wt% and boric acid with the concentration of 0.01 to 0.1 wt%. The invention also provides an application of the amylose content regulator in increasing the amylose content of wheat. The method specifically comprises the step of spraying the amylose content regulator on the surfaces of wheat plants in a wheat filling period so as to increase the amylose content of the wheat. The growth period of wheat is regulated and controlled through the amylose content regulator, so that the amylose content of the mature wheat seeds is increased, the method is easy and convenient to operate, and the amylose content of the treated mature seeds is increased by about 9%-16% compared with a contrast.

The invention belongs to the technical field of detection methods, and particularly relates to a liquid chromatography detection method for an idedecalciferol intermediate and impurities thereof. According to the liquid chromatography detection method for the eldecalciferol intermediate and the impurities thereof, a liquid chromatography method is combined with an electrospray detector for detection; chromatographic conditions are as follows: an amylose-tri (3-chlorphenyl carbamate) covalently bonded silica gel chromatographic column is adopted; and carrying out gradient elution by taking water as a mobile phase A and acetonitrile as a mobile phase B. The method for detecting the eldecalciferol intermediate and the impurities of the eldecalciferol intermediate is good in specificity, high in sensitivity and accuracy, good in repeatability and stability and high in analysis speed, the content of the eldecalciferol intermediate and the impurities of the eldecalciferol intermediate can be rapidly and accurately detected, and the blank of detection of the eldecalciferol intermediate and the impurities of the eldecalciferol intermediate in the prior art is filled.

The invention belongs to the technical field of drug delivery and food medicine, and particularly relates to resistant starch of intestinal targeted slow-release polyphenol and a preparation method and application of the resistant starch of the intestinal targeted slow-release polyphenol. Performing annealing recrystallization on the heat-dispersed high-amylose corn starch in an ethanol solution to obtain single-spiral structure resistant corn starch; and self-assembling the resistant corn starch with the single-spiral structure and the quinoa polyphenol extract in an alcohol-water system to obtain the intestinal targeted slow-release polyphenol resistant starch. According to the resistant starch of the intestinal targeted slow-release polyphenol prepared by the method disclosed by the invention, the specific starch spiral structure can realize the intestinal targeted controlled release of the polyphenol contained in the intestinal targeted slow-release polyphenol, so that the loss of phenolic compounds in the gastrointestinal digestion process is reduced, and the accurate and continuous release of the polyphenol compounds in the intestinal digestion stage is realized; the residence time of the polyphenol in the intestinal tract is prolonged, so that the bioavailability of the polyphenol is improved.

The invention provides an SV molecular marker related to cassava branched chain and amylose content and application, and belongs to the technical field of molecular biology, the SV molecular marker is Chr142634494926345058 and is used for predicting the cassava branched chain and / or amylose content; a primer group for amplifying the SV molecular marker comprises a forward primer, a reverse primer, a forward primer, a reverse primer and a reverse primer, wherein the sequence of the forward primer is 5 '-AGATCATACAGCCCATTTT-3'; the sequence of the reverse primer is 5 '-ATCCACCAAAGTTCGTAA-3', and the sequence of the reverse primer is 5 '- The primer group is used for preparing the kit; the primer group or the kit is used for carrying out PCR amplification on the DNA of the cassava to be detected so as to predict the branched chain and / or amylose content of the cassava. The SV molecular marker provided by the invention can accurately and efficiently predict the high or low content of branched chain and amylose of cassava without planting and waiting for cassava adult plants, and greatly improves the breeding selection efficiency.

To provide cooked rice for freeze-drying having excellent grain mouthfeel, grain separation, and fluffiness, as well as freeze-dried rice and freeze-dried processed food using the cooked rice.SOLUTION: Cooked rice for freeze-drying of the present invention is prepared by cooking 100 pts.mass of raw rice having an amylose content of 19.2 mass% or less and a protein content of 7.5 mass% or less (dry basis), followed by adjustment to 210 to 290 pts.mass through water-washing adjustment and draining steps. Freeze-dried rice or freeze-dried processed food of the present invention is prepared by freeze-drying the cooked rice for freeze-drying, or by adding a seasoning liquid thereto.SELECTED DRAWING: Figure 1

The invention discloses a method for reducing cyanide in the grain moistening process of Maotai-flavor liquor, and belongs to the technical field of liquor brewing. The brewing raw material sorghum is subjected to gamma-ray irradiation pretreatment, and an abscisic acid solution is applied for multiple times in the grain moistening step in the brewing process. According to the method, 60Co-gamma ray irradiation and abscisic acid solution treatment are combined, the content of cyanogenic glycoside in baijiu brewing is controlled from the source, the content of cyanogenic glycoside in baijiu is remarkably reduced on the premise of not changing indexes such as moisture, crude protein, crude fat, total ash content, amylose and reducing sugar related to the quality of sorghum, and the quality of the baijiu is improved. And 105221.56 [mu] g / kg of a blank control group is reduced to 1395.32 + / -164.29 [mu] g / kg.

According to the method for prolonging the fresh-keeping period of the fruits by using the controlled atmosphere fresh-keeping box, the controlled atmosphere fresh-keeping box is prepared by improving the sealing performance of a common fresh-keeping box and covering a certain area of the common fresh-keeping box with a film, and the fruits are put into the box to be stored. When the area of the covering film is 20%, the lotus seeds are stored in a box, and 1-methylcyclopropene can be added; when the area of the covering film is 34.8%, the longan is placed in a box to be stored. Compared with the control, the modified atmosphere preservation box treatment can reduce the weight loss rate and browning degree of the lotus seeds and maintain the contents of Vc, amylose, total phenols and soluble solids; compared with a control group, the modified atmosphere preservation box treatment can inhibit browning of longan peel, delay reduction of soluble solids, acidity and vitamin C, inhibit increase of malondialdehyde content, reduce peroxidase activity and improve catalase activity and glutathione content. According to the technology, the shelf life of the fruits can be effectively prolonged, and the problems that an existing fresh-keeping method is tedious and short in fresh-keeping period are solved.

The invention relates to the technical field of gene agriculture, in particular to a gene sequence fragment related to the content of amylose in red rice and a method for improving the content of the amylose in the red rice. The invention discloses a gene sequence segment related to the content of amylose in red rice, the nucleotide sequence of the gene sequence segment is shown as SEQ ID No.1, and the gene sequence segment is located in a promoter region of a Wx gene. The gene sequence segment, related reagents and a method can be applied to accurate regulation and control of rice amylose and molecular breeding practice of local high-quality rice in Guizhou. By editing or knocking out a gene sequence fragment, the expression quantity of the Wx gene can be moderately reduced, the amylose content of rice is further reduced, after the gene sequence fragment is knocked out, the expression of the Wx gene is moderately reduced, the amylose content of local high-quality red rice in Guizhou is reduced from 20% to about 5%, and the gel consistency is improved from 61mm to about 99mm. By editing or knocking out the gene sequence fragment, the amylose content of the red rice of local high-quality rice in Guizhou can be accurately improved, the rice quality of the rice is improved, popularization and planting of the variety are facilitated, and storage and utilization of high-quality germplasm resources are facilitated.

Provided herein are methods of enzymatic production of alpha-cyclodextrin from sucrose. In some cases, the methods involve contacting sucrose with one or more enzymes to convert sucrose to amylose, and then contacting amylose with one or more enzymes to convert amylose to alpha-cyclodextrin. In some cases, the methods produce a higher yield of alpha-cyclodextrin relative to beta-cyclodextrin, gamma-cyclodextrin, or both.

The invention relates to the technical field of battery material preparation, and provides a coal-based hard carbon negative electrode material, a preparation method thereof and a sodium ion battery. The preparation method of the coal-based hard carbon negative electrode material comprises the following steps: (I) synchronously purifying and pre-oxidizing pulverized coal and mixed acid in a solvent to obtain modified pulverized coal, wherein the mixed acid comprises hydrochloric acid, hydrofluoric acid and nitric acid; (II) the modified coal powder and starch are subjected to solid-phase mixing to obtain a first precursor, the content of amylose in the starch is 50% or above, and the mass ratio of the modified coal powder to the starch is (6-9): (1-4); (III) sequentially esterifying and pre-carbonizing the first precursor to obtain a second precursor; and (IV) carbonizing the second precursor to obtain the coal-based hard carbon negative electrode material. The coal-based hard carbon prepared by the preparation method has expanded interlayer spacing, increased pseudo graphite phase proportion and reduced specific surface area, shows high specific capacity and first coulombic efficiency when being used as a sodium ion battery negative electrode material, and can improve the carbon yield.

The invention relates to a preparation method of a nanoscale sorghum starch-polyphenol compound and a product, and belongs to the technical field of starch deep processing and nanoparticle preparation, and the preparation method comprises the following steps: (1) carrying out enzymolysis treatment on sorghum starch to obtain sorghum starch with different amylose contents and chain length distribution; (2) compounding the sorghum starch subjected to enzymolysis with different types of polyphenol substances to prepare a sorghum starch-polyphenol compound; and (3) adopting an absolute ethyl alcohol precipitation method to obtain the nanoscale sorghum starch-polyphenol compound. The prepared nanoscale sorghum starch-polyphenol compound is small in size and good in digestion resistance, has important significance in regulating postprandial blood sugar balance of a human body, and meanwhile can achieve delivery of micromolecular active substances such as polyphenol and the like.

The invention relates to the technical field of environment-friendly materials, and discloses an environment-friendly plastic bag which is of a three-layer composite structure composed of the following raw materials in parts by weight: an outer layer, 60-80 parts of polylactic acid, 40-60 parts of poly (adipic acid) or butylene terephthalate with a thickness ratio of 40%, and a middle layer, 75-90 parts of modified cassava starch, 25-35 parts of polyvinyl alcohol and 3-8 parts of a citrate cross-linking agent with a thickness ratio of 30%. The inner layer comprises 80-95 parts of polyhydroxybutyrate valerate and 15-25 parts of surface treatment calcium carbonate, the thickness ratio of the inner layer is 30%, the three layers are integrally formed through a co-extrusion film blowing process, and a micron-sized groove array is arranged on the surface of the outer layer. The outer layer adopts the blend of polylactic acid and dibutyl phthalate, the brittleness of polylactic acid is made up by utilizing the flexibility of dibutyl phthalate, and meanwhile, the use amount of pure polylactic acid is reduced, so that the cost is reduced by 40% compared with that of a pure polylactic acid bag; and 15 wt% of stearic acid is added into the inner layer polyhydroxybutyrate valerate to treat calcium carbonate, so that the performance is ensured, and the cost is controlled at the same time.

The invention relates to the technical field of breeding of new varieties of crops, in particular to a method for rapidly breeding a new variety of wheat with high resistant starch based on four specific characters. According to the breeding method provided by the invention, the high-resistance starch variety is rapidly, accurately and successfully bred on the basis of EMS mutagenesis and selection of multiple specific physical and quality characters of different generations, the Shannong RS1 # with the resistant starch content up to 11.8% and the amylose content up to 60% or above is obtained through the method, breeding only takes 6 years, and the breeding period is shortened by 4 years or above.

The present invention discloses a rice Wx mutant protein, a mutant gene and its application, and also discloses a breeding method for creating quality-improved rice with transparent appearance and appropriately reduced amylose content by gene editing. The present invention uses gene editing technology for the first time to Wx By editing the gene with a single base, and through the screening of the offspring, new materials with T-DNA removed, transparent appearance, appropriately reduced amylose content, improved quality, and stable inheritance can be obtained in the T2 generation. Compared with breeding such as chemical mutagenesis and hybridization, gene editing directed improvement molecular breeding technology has the advantages of rapidity, accuracy, and efficiency. Combined with gene function marker genotype selection, or directly using other mature rice varieties as background materials for transformation and obtaining corresponding materials, it will greatly improve breeding efficiency and greatly accelerate the breeding process.

The invention discloses a transcription factor OsLBD40, an overexpression vector, a recombinant agrobacterium and a preparation method and application thereof. The nucleotide sequence of the transcription factor OsLBD40 is as shown in SEQ ID NO. 1. The transcription factor OsLBD40 can regulate and control gene expression in rice seeds, especially can regulate and control expression of starch-related genes in the rice seeds, so that chalkiness of rice is improved, and yield and quality are improved. Compared with a wild type, the thousand seed weight of an OsLBD40 overexpression plant is increased by 13%, the amylose content is increased by 26%, and chalkiness is also obviously reduced.

The invention relates to the technical field of degradable plastics, and particularly discloses a starch-based biodegradable plastic and a preparation method thereof.The preparation method includes the steps that high-amylose starch (such as corn, potatoes and cassava) is selected as a raw material and cleaned, dried and ground to obtain starch powder, a natural plasticizer (such as glycerin) is added to improve the flexibility, and the starch-based biodegradable plastic is obtained; a chemical cross-linking agent (such as glutaraldehyde) is used for enhancing the strength and the heat stability, an antioxidant (such as vitamin E) and an antibacterial agent (such as tea polyphenol) are used as additives, and the mass ratio of the antioxidant to the antibacterial agent is (0.6-0.85): (0.05-0.2): (0.005-0.03): (0.001-0.01): (0.001-0.005). The starch-based bioplastic prepared by the invention has good degradation performance and adjustability, is particularly suitable for the fields of disposable packaging, agricultural films, medical materials and the like, has a natural antibacterial function and ultraviolet protection capability, has huge application potential in the fields of medical treatment, food packaging and environmental protection, and has wide application prospects. The advantages of the starch-based plastic in agricultural application are also realized.

The invention relates to the technical field of inorganic non-metallic materials, in particular to aragonite fibers, a preparation method of the aragonite fibers, a cement-based material and a cement workpiece. The preparation method comprises the following steps: preparing raw materials including calcium ions, urease and urea into a mixed solution, and carrying out precipitation reaction to obtain aragonite fibers; wherein the mixed solution further comprises at least one of amylose, magnesium ions and sulfate ions, and the temperature of the mixed solution is lower than or equal to 50 DEG C. The catalyst promotes urea hydrolysis to generate carbonate ions, and then the carbonate ions and calcium ions generate calcium carbonate precipitates. On one hand, amylose, magnesium ions and sulfate ions can induce calcium ions and carbonate ions to generate aragonite crystals and inhibit generation of other allotropic variants; on the other hand, aragonite crystals can be induced to precipitate in a microfiber form, generation of rodlike fibers is promoted, and generation of particles in other micromorphologies is inhibited. The prepared aragonite fiber has a good microfiber form, is not easy to agglomerate, and can be used for reinforcing a cement-based material.

The invention provides butyrylated high-amylose corn starch and a preparation method thereof, and belongs to the technical field of starch modification. The invention provides a preparation method of butyrylated high-amylose corn starch. The preparation method comprises the following steps: 1) mixing corn starch and water to prepare a starch suspension; (2) putting the starch suspension into a microwave reactor, adding a potassium carbonate solution while stirring, and continuously stirring for 3-5 minutes after the potassium carbonate solution is added; (3) simultaneously dropwise adding a potassium carbonate solution and succinic anhydride into the starch suspension after the step (2) is completed, waiting for 3-5 minutes, then adding the potassium carbonate solution, and obtaining a product after the reaction is completed; and 4) adjusting the pH value of the product by using a hydrochloric acid solution, filtering, washing, drying and crushing to obtain the butyrylated high-amylose corn starch.The prepared product is low in viscosity and good in stability, the water solubility, the expansibility and the ageing resistance are obviously improved, and the method can be used for large-scale production of the butyrylated high-amylose corn starch.The method has the advantages that the method is simple, and the yield is high.

The invention discloses heat-resistant alpha-glucan phosphorylase and application thereof in synthesis of amylose with different molecular weights, and belongs to the field of genetic engineering and modern enzyme technology engineering. The alpha-glucan phosphorylase derived from the Dictyoglomus. Sp.NZ13RE01, provided by the invention, has a relatively high optimum temperature and excellent thermal stability, and can be used for preparing the alpha-glucan phosphorylase from the Dictyoglomus. Sp.NZ13RE01. When the alpha-glucan phosphorylase is used for synthesizing amylose, the alpha-glucan phosphorylase from the source can be used for synthesizing amylose with different molecular weights under the condition of cellobiose / G4 primers in different proportions, and under the condition that the proportion of cellobiose / maltotetraose primers is 1: 4, the excellent conversion rate is 34.52%, the yield is 17.26 g / L, and the yield is 17.26 g / L. The average molecular weight is 5040 + / -26.75 g / moL, so that the method is suitable for producing amylose in a small molecular weight range, and therefore, the method has a good application prospect in an artificially synthesized starch system.

The present application discloses a rice cooking method and an electric rice cooker. The electric rice cooker executes the rice cooking method through a heating module, a control module and a bottom temperature sensor, and the control module receives a cooking control instruction. The method comprises: in response to the cooking control instruction, starting the heating module to execute a rice cooking program. The rice cooking program comprises a water absorption stage, a temperature rise stage, a boiling stage, a rice stewing stage and a heat preservation stage. The temperature data of the bottom temperature sensor in the boiling stage is obtained, and the boiling stage is executed. The boiling stage comprises at least a temperature-rushing sub-stage, and the bottom temperature range of the temperature-rushing sub-stage is 105°C to 130°C, wherein a constant temperature sub-stage for maintaining the bottom temperature within a preset bottom temperature range is provided in the temperature-rushing sub-stage, and the maintenance time of the constant temperature sub-stage is 1min to 7min. The above scheme helps the rice to boil more violently, thereby promoting the decomposition of amylose and protein in the rice. The decomposition of these components is conducive to making the rice softer and more palatable.

The application discloses a kind of umami extract, belong to food field.The preparation method of the umami extract with clam meat as raw material, after fermentation by specific strain, then the fermentation liquor is subjected to enzymolysis by specific composition of composite enzyme, filtration, irradiation treatment and freeze-drying is prepared.The step of fermentation before enzymolysis in the present application, through the synergistic effect of microorganism and composite enzyme can effectively avoid the generation of bitter taste, fishy smell and other undesirable flavors in extract, and the free amino acid content of the umami extract prepared is significantly increased, and the percentage of glutamic acid, aspartic acid and other umami amino acids in total free amino acid is also significantly improved.In addition, the present application also proves by experiment that adding amylose, sugar cane molasses and bonito powder in clam meat slurry during fermentation can further increase the content of free amino acid and the percentage of umami amino acid in umami extract, so that the flavor of the umami extract prepared is better.

The invention relates to the technical field of rice processing, in particular to a rice processing monitoring and early warning method and system based on multi-dimensional data analysis, and the method comprises the following steps: conveying rice to a pneumatic screening device through a conveyor belt for screening; constructing an amylose content model; determining the content ratio of the heavy rice to the light rice; forming a plurality of parts of soaked rice according to the content ratio, constructing a microwave sensor, establishing a regression equation of the initial water content and microwave parameters, and outputting the soaked rice with qualified initial water content; detecting whether the cooled rice is qualified in stirring and giving an alarm; detecting the finished product moisture content of the dried rice and giving an alarm, performing rehydration detection on the dried rice, adjusting the cooling temperature and giving an alarm; according to the rice processing monitoring and early warning method based on multi-dimensional data analysis provided by the invention, the processed rice is effectively screened, and the accuracy of a rice processing monitoring and early warning system is effectively improved while the quality of a finished rice processing process is improved.