79 results about "Amylopectin" patented technology

The invention discloses a modified glutinous rice flour auxiliary material for controllable release medicine tablets and a preparation process of the modified glutinous rice flour auxiliary material, and relates to the technical field of biological medicines.The multifunctional auxiliary material with a specific microstructure and corrosion dynamic characteristics is obtained by taking glutinous rice flour with the amylopectin content larger than or equal to 80% as a raw material and conducting a three-stage process of pretreatment, directional modification and aftertreatment; the tablet has the functions of filling, bonding, disintegrating or skeleton controlled release, and can accurately regulate and control the drug release according to the dosage form demand. The invention aims to solve the problems that the traditional auxiliary material has a single function and is difficult to adapt to the release requirements of multiple types of drugs, realizes the multifunctional integration of the natural auxiliary material and the controllability of the release behavior, and remarkably improves the suitability of the preparation and the process stability.

The invention discloses a black fungus AMY protein and a coding gene and application thereof, and belongs to the technical field of protein engineering. The invention provides a black fungus AMY protein as well as an encoding gene and application thereof in order to excavate a key enzyme gene of a starch sucrose metabolic pathway in black fungus, and discovers and verifies that the black fungus AMY protein and the encoding gene thereof play a key regulation and control role in inducing synthesis of black fungus alpha-amylase through transcriptome sequencing. A solid foundation is laid for deeply exploring the function of a key gene of a starch sucrose metabolic pathway.

The present disclosure relates generally to a dough composition including one or more legume flours present in a total amount in the range of 40-70 wt%, based on the weight of the dough composition; a film-forming starch present in an amount in the range of 5-20 wt%, based on the weight of the dough composition, the film-forming starch having an amylopectin content of at least 80 wt%, an RVA final viscosity after 1 hour at 25°C of no more than 900 centipoise, and an RVA peak-and-breakdown time of no more than 500 s at 25°C; one or more oils or fats present in a total amount in the range of 5-30 wt%, based on the weight of the dough composition; and water present in an amount in the range of 10-40 wt%, based on the weight of the dough composition.

Provided herein are compounds comprising derivatives of dual GLP-1 / amylin receptor agonists and methods of use thereof.

The present invention relates to a method of reducing the body weight of a subject, the method comprising administering to the subject about 1 mg to about 15 mg of an amylin receptor (AMYR) agonist. Also provided are corresponding compositions and kits.

The invention relates to the technical field of kitchen utensil equipment, in particular to a rice steaming system with water circulation sugar reducing and circulation steam uniform heating functions, which comprises a box body, moving wheels are mounted at the bottom of the box body, a sealing door is rotatably connected to the front surface of the box body, and a control console is mounted at the top of the box body. A shelf board is fixedly installed on the inner wall of the box body, a driving box is fixedly installed on the back face of the box body, and a driving assembly is installed on the inner wall of the driving box. Water in the water storage barrel flows into the rice steaming bin through the water inlet pipe by adopting the water pump and then flows out through the return pipe to repeatedly wash rice which is being steamed in the rice steaming bin, so that part of amylopectin of the rice is lost, the amylopectin structure is relatively loose, and the amylopectin is more easily decomposed into glucose in the digestion process, so that the blood sugar is increased; the purpose of reducing blood sugar is achieved by repeatedly washing away amylopectin, the taste is further improved, after washing is completed, the water storage barrel is heated, steam flows into all the dishes through the steam pipe, and rice in each dish is evenly cooked.

This invention belongs to the field of molecular biology technology, specifically relating to a... ZmTHX12 The application of biological products in improving corn kernel quality and yield, the aforementioned ZmTHX12 The nucleotide sequence of the gene is shown in SEQ ID NO.1, and the amino acid sequence is shown in SEQ ID NO.2. This invention discovers... ZmTHX12 It can regulate the quality and yield traits of corn kernels, and in corn... ZmTHX12 Gene mutations can increase the protein and soluble sugar content in kernels, and can be used to improve the quality traits of corn; while ZmTHX12 ZmTHX12 Gene overexpression leads to increased oil and amylopectin content in kernels, resulting in larger kernels and increased 100-kernel weight, which can be used to improve maize yield and quality traits. This discovery not only provides a scientific basis for understanding the development mechanism of kernels but also offers theoretical guidance for the genetic improvement of maize.

The invention discloses a humidity-driven soft actuator and a preparation method thereof, the actuator takes a patterned black polyimide (PI) film as a substrate, and the substrate is compounded with two-dimensional transition metal carbide Ti3C2Tx (MXene) / amylopectin amp; a functional layer is formed by Amylose / carbon nanotubes (CNTs), when the functional layer absorbs moisture and expands, the actuator is bent towards the PI side, and when the functional layer is dehumidified and contracts, the actuator is bent reversely; the bending response direction is defined through the substrate gap direction of nanosecond laser machining, and the initial curvature and the bending degree are regulated and controlled through vacuum hot pressing treatment. The components cooperate to endow the actuator with rapid humidity response capability and excellent mechanical stability. The technical problems that an existing humidity driving actuator is poor in programmability and an interface is prone to stripping are solved, an external driving source is not needed, the technology is simple, convenient and controllable, and the potential application value in the fields of soft robots, flexible intelligent equipment and the like is shown.

The application belongs to the technical field of microorganisms, and discloses a lactic acid bacteria preparation for improving the yield and quality of waxy corn and application thereof. The active bacteria in the lactic acid bacteria preparation are Lactobacillus casei C-9 strains, and the strain preservation number of the C-9 strains is CGMCC No. 6734. The application is at least one selected from the following: A, improving the yield of waxy corn; B, improving the amylopectin content, soluble sugar content and total amino acid content in waxy corn kernels; C, improving the taste and flavor of waxy corn; and D, enhancing the stress resistance of waxy corn. The application uses Lactobacillus casei C-9 bacterial liquid for waxy corn planting, solves the problems of soil physicochemical property deterioration, soil microbial community imbalance, soil fertility decline and environmental pollution caused by chemical fertilizers through the combined mode of seed treatment, base fertilizer application, leaf surface spraying and root irrigation.

The invention relates to aqueous adhesive compositions which contain at least the following components: (a) 1 to 95 wt. %, calculated as the solids content of a base component, containing: (a1) at least one polymeric organic binder, selected from acrylate, styrene, vinyl acetate, vinyl propionate and / or urethane homopolymers or copolymers, or any mixture thereof, and / or (a2) at least one polysaccharide thickener, selected from the group consisting of cellulose ethers, such as methyl cellulose, carboxyalkyl cellulose, in particular carboxymethyl cellulose, hydroxyalkyl cellulose, alkyl hydroxyalkyl cellulose, starch, in particular potato starch, starch ethers, in particular modified amylose and / or amylopectin, guar ethers, dextrins and mixtures of said compounds; (b) water; and (c) 0.03 to 1.4 wt. % guanidine and / or at least one salt of guanidine, wherein the proportion by weight refers to the content of guanidine in the total aqueous adhesive composition.

The invention belongs to the field of molecular genetics, and provides a rice SS3a allele and application thereof in increasing the content of resistant starch in rice and reducing the glucose generation rate. The gene is deleted at the 2387th basic group G of the third exon of the rice SS3a gene and contains a gene sequence as shown in SEQ ID No. 1. The allele can significantly increase the amylose content in rice and change the amylopectin structure, so that the resistant starch content of rice is significantly increased, and the glucose generation rate of rice is reduced. Meanwhile, the allele can also significantly improve the gelatinization characteristic and the viscosity characteristic of the rice, and has small influence on the grain weight of the rice. The invention further relates to application of the new SS3a allele in rice breeding, the allele can be introduced through a cross breeding method, or the original SS3a gene is subjected to site-directed mutagenesis to form the allele, and the allele is used for cultivating a new high-resistance starch rice strain.

The application discloses natural ester insulating oil and a method and application for preparing the natural ester insulating oil by using cottonseed oil, wherein the cottonseed oil is heated to 60-70 DEG C, an adsorbent I is added, and stirring adsorption is carried out at 60-70 DEG C, and then filtration is carried out; the filtrate after filtration is heated to 90-100 DEG C, an adsorbent II is added, and secondary deep vacuum constant-temperature adsorption is carried out at 90-100 DEG C, and then filtration is carried out; the filtrate after filtration is subjected to water removal treatment, and the natural ester insulating oil is obtained. The adsorbent I is composed of kaolin, calcium oxide and magnesium carbonate, and the adsorbent II is composed of branched amylopectin, graphene oxide and porous Al2O3; by controlling the adsorbent components, adsorption temperature and adding time, the application of the cottonseed oil in the natural ester insulating oil is realized, the adsorption performance is stable, and unnecessary pollution to the oil is avoided. The natural ester insulating oil is applied to a transformer, the food safety problem caused by excessive consumption of the cottonseed oil is solved, the added value of the cottonseed oil is improved, and the development direction of green low-carbon transformation is met.

The application discloses a kind of instant powder dry formula and its production process, belong to rice food processing technical field. Formula is made by weight parts early indica rice 75-85 parts, high branched amylopectin waxy rice with branched amylose content ≥95% 5-10 parts, edible grade ordinary corn starch 15-25 parts, water 25-35 parts, edible salt 2-4 parts, and does not add any edible glue additive;Production process includes soaking, grinding, steaming, 3-4 times gradient rolling, sizing extrusion, gradient drying and other standardization steps, the synergistic effect of high branched amylopectin waxy rice and corn starch is realized, and the instant powder dry is boiled in water for 6-8 minutes, the powder dry silk broken rate is ≤3%, the soup is clear, and the natural rice aroma is retained;Process adapts food processing conventional equipment, and can be mass-produced, the storage period of finished product is ≥6 months at room temperature, without moisture, mildew phenomenon, solve the existing instant powder dry problem of relying on edible glue, rehydration easy broken, batch quality unstable, and the application popularization value is high.

The invention relates to the technical field of food byproduct processing, in particular to a production process of a yellow wine vinasse flavor extract. The method comprises the following steps: firstly, performing soaking, fermentation, aging and solid-liquid separation on the yellow wine vinasse to obtain vinasse mud, adding grafted amylose into the vinasse mud for pre-soaking, and then adding grafted amylopectin for ultrasonic-high-pressure homogenization circulation treatment to obtain the superfine vinasse mud. Finally, propylene glycol and medium-chain triglyceride are used for constructing a temperature-resistant solvent, double grafted starch is supplemented for emulsification and homogenization, and the flavor extract is prepared. According to the method, a step-by-step synergistic extraction-double grafting embedding-oil phase heat barrier system is constructed, the problems that the utilization rate of vinasse flavor substance raw materials is insufficient and volatilization loss occurs under high-temperature processing are effectively solved, the obtained product is fine and smooth in texture, rich in flavor and excellent in heat resistance, and the application value of vinasse by-products is greatly improved.

Emulsifying salt-free processed cheese products as well as methods of preparing emulsifying salt-free processed cheese products are provided. The emulsifying salt-free processed cheese products are prepared with modified starch containing amylopectin and substantially no amylase and without emulsifying salts. The emulsifying salt-free processed cheese products are advantageously resistant to separation during heating and retain desirable organoleptic properties, such as texture and flavor, without using emulsifying salts.

The invention belongs to the technical field of sorghum identification and analysis, and relates to a method for discriminating the quality grade of sorghum for baijiu brewing. The method comprises the following steps: acquiring physicochemical indexes in a sorghum sample; inputting the physicochemical indexes into an Extra Tres discrimination model to obtain a discrimination result of the sorghum quality grade; the Extra Tres discrimination model is a corresponding relation between the physicochemical indexes and the sorghum quality grades; the physicochemical indexes comprise volume weight, thousand grain weight, starch content, protein content, fat content, tannin content and amylopectin content. The method is beneficial to the evaluation of the quality grade of the broomcorn for baijiu brewing.

The invention belongs to the field of molecular biology, and discloses application of a ZmGRF1 gene in improvement of corn kernel quality characters. The nucleotide sequence of the ZmGRF1 gene is as shown in SEQ ID NO. 1. It is found that the ZmGRF1 protein can regulate and control the corn kernel quality and yield traits, mutation of the ZmGRF1 gene in corn can improve the protein content and the soluble sugar content in the kernels and can be used for improving the quality traits of the corn, and overexpression of the ZmGRF1 gene can cause the kernels to become larger, the hundred-grain weight to be increased, the oil content and the amylopectin content to be increased, and the corn kernel quality and yield traits can be improved. The method can be used for increasing the corn yield and improving the quality character of corn. The discovery not only can provide a scientific basis for analyzing the development mechanism of grains, but also can provide theoretical guidance for genetic improvement of corn.

The invention discloses a preparation method of hydroxypropyl distarch phosphate starch, and belongs to the technical field of starch. Amylose and amylopectin are compounded and modified to prepare starch with more excellent viscosity, shear force and freeze-thaw stability, and the cross-linking uniformity and the cross-linking efficiency can be improved on the whole by combining a pulsed electric field and an ultrasonic-assisted effect and combining silicon dioxide microsphere loaded zinc oxide as a catalyst; the problem of local excessive crosslinking or non-uniform reaction possibly caused by synchronous reaction is avoided; and the whole process is simple, environmentally friendly and high in operability, the cost and the environmental burden can be effectively reduced through mild process conditions, and the method has good industrial application prospects and market competitive advantages.

This invention relates to the field of fabric technology, specifically to a highly flexible suit coat fabric and its textile process. The fabric comprises a 2 / 2 twill cotton greige fabric and a flexible finishing layer fixed to the surface of the cotton fibers. The flexible finishing layer is formed by sequentially padding and pre-drying the greige fabric, which has undergone limited pretreatment with cellulase, with a first surface finishing solution of aldehyde-modified amylopectin / D-glucosamine hydrochloride, followed by coupling with a 3-aminopropyltriethoxysilane surface coupling solution, and a final finishing with D-glucosamine hydrochloride. The weight-average molecular weight of the aldehyde-modified amylopectin is 2.50 × 10⁻⁶. 5 -4.50×10 5 The degree of aldehyde substitution is 3.0%–7.0%. This invention enables the fabric to possess softness, washability and softness retention, tensile strength retention, breathability and moisture diffusion properties without the addition of formaldehyde resin finishing agent, making it suitable for clothing fabrics such as suits and overcoats.

The present application relates to a kind of starch synthesis regulatory gene OsMFP1 and its encoding protein and application, belong to plant genetic engineering technical field, the gene has the nucleotide sequence as shown in SEQ ID NO.1, its encoding protein has the amino acid sequence as shown in SEQ ID NO.2, the function loss of gene OsMFP1 leads to the total starch content in rice grain, amylose content and amylopectin content reduction, and lead to the yield reduction of rice.The function of OsMFP1 gene in the process of starch synthesis and its mechanism of action are studied in the present application, and it is found that the function loss of OsMFP1 gene can lead to the decrease of total starch, amylose and amylopectin content in grain, which provides important theoretical value for the improvement of rice quality.

The invention discloses a water-in-water emulsion delivery system based on interface bionic reinforcement and multistage protection and application thereof, and belongs to the technical field of functional factor delivery. According to the system, an amylopectin aqueous solution is used as a continuous outer phase, a caesalpinia spinosa gum aqueous solution is used as a dispersed inner phase, and a full-water-phase emulsion system with a double-layer interface structure is constructed through layer-by-layer electrostatic assembly of fibrous ovalbumin particles and carrageenan. The emulsion can efficiently entrap hydrophilic functional factors such as probiotics, vitamins, active peptides and the like, and the light stability, the heat stability, the ion tolerance and the stability in the processing and storage process of the emulsion are remarkably improved. The emulsion can be further freeze-dried into microcapsule powder, is suitable for functional beverages, dairy products, solid granules, nutritional supplements and other foods, and can also be used in essence, facial masks and other cosmetic dosage forms. The system has the characteristics of controllable structure, high stability, safe raw materials, green process and the like, and is suitable for the development of high-stability and high-bioavailability products.

The invention relates to a preparation method of fermented lotus root starch of Weizmannia coagulans and an application of the fermented lotus root starch of Weizmannia coagulans in tapioca pearls, the strain is Weizmannia coagulans, the preservation number is GDMCC NO: 67224, the preservation date is November 6, 2025, the preservation unit is Guangdong Microbial Culture Collection Center, and the preservation address is No. 59 building, No. 100 Courtyard, Xianlie Middle Road, Guangzhou. The method has the advantages that the content of amylopectin in the lotus root starch can be effectively increased by the Witzia ciliaris; the lotus root starch prepared from the Witzia ciliaris can improve the freezing resistance and taste characteristics of the pearl tapioca.

The application discloses a discrimination method and system for sorghum varieties based on decision fusion and near-infrared spectroscopy, and the method comprises the following steps: collecting and processing samples of sorghum grains; collecting near-infrared spectra of each sample to construct a calibration set; determining the tannin content and amylopectin content of each sample; constructing a first quantitative detection model between the near-infrared spectra of the samples and the tannin content, and constructing a second quantitative detection model between the near-infrared spectra of the samples and the amylopectin content; constructing a qualitative discrimination model between the near-infrared spectra of the samples and the category attribution; predicting the calibration set respectively to obtain three groups of prediction values, taking the three groups of prediction values as independent variables, and taking the category labels of the samples as dependent variables to construct a decision fusion model; for unknown sorghum samples, the tannin content and amylopectin content of the samples are predicted respectively, the qualitative discrimination model is used to predict the category attribution, and finally, the category prediction value is obtained; the method has the advantages of high precision and strong robustness.

The invention relates to the technical field of food production, and particularly discloses a method for producing a gas-containing rice fermented beverage, which comprises the following steps: raw material pretreatment, gelatinization, enzymolysis and saccharification, filtration and cooling, yeast activation and inoculation, segmented temperature control fermentation, filling and pasteurization. By adopting a closed pure yeast fermentation process, the risk that infectious microbes are introduced in traditional open solid state fermentation is avoided, and the purity of the fermentation process is ensured, so that the possibility that the product is polluted by microorganisms is reduced, and the batch-to-batch consistency of physicochemical indexes of the final product is improved; the rice with high amylose content is used as a raw material, so that the sticky mouth feeling caused by high amylose is avoided, and a refreshing and smooth mouth feel foundation of the product is laid.

The application provides a preparation method of a biological fermentation moisturizing cream, the biological fermentation moisturizing cream and application. The preparation method comprises the following steps: mixing a fermentation substrate comprising rice, starch and oil and water, sterilizing to obtain a fermentation cream base solution; the content of amylopectin in the starch is higher than 75%; inoculating a strain in the fermentation cream base solution, performing fermentation culture, performing solid-liquid separation, sterilizing to obtain the biological fermentation moisturizing cream; the strain comprises one or more of Apiculatus Candida, Kluyveromyces marxianus and Wickerhamomyces anomalus. The method provided by the application realizes self-emulsification during fermentation, does not need to additionally add a thickening agent, an emulsifying agent or a surfactant, and can prepare the biological fermentation moisturizing cream through one-step fermentation. The prepared biological fermentation moisturizing cream has simple components, natural raw materials, good moisturizing effect and high safety.

The invention discloses a dsRNA fragment capable of improving wheat amylopectin content and a synthesis method and application thereof, and relates to the field of wheat starch content regulation, pET28a is used as an initial skeleton, a sequence containing a reverse T7 promoter, multiple cloning sites and ISA1 or ISA2 gene fragment is inserted, a recombinant vector is constructed through restriction enzyme digestion connection of restriction enzymes SalI and EcoRI, and the recombinant vector is used as a recombinant vector for improving wheat amylopectin content. And transforming the recombinant expression vector into an escherichia coli HT115 competent cell, and synthesizing the dsRNA fragment after induced expression. According to the invention, a non-transgenic transient silencing technology is adopted, and target gene expression is inhibited in a targeted manner, so that the problems of long period, low efficiency, dependence on complex gene cloning and vector construction processes and potential off-target effect and ecological risk existing in the traditional gene technology are avoided.

The application belongs to the technical field of lithium metal batteries and photoelectrochemical energy storage, and discloses a starch-polyiodide composite solid electrolyte film and a preparation method thereof. The electrolyte film takes a polymer as a matrix, lithium bisfluorosulfonylimide and the like as a lithium salt, and a mixture of soluble branched starch, lithium iodide and iodine as a redox composite filler. Through the synergistic effect of the soft support effect of starch and the iodine-based redox pair, a uniform mixed conductive network is constructed, which can effectively reduce the interface impedance, inhibit the polymer crystallization, and significantly improve the ionic conductivity, lithium ion transference number and mechanical flexibility. The application further provides an integrated flexible photoelectrochemical energy storage battery device. The positive electrode-electrolyte integration is realized through an in-situ coating process, so that the device can still work stably under repeated bending and folding, and has high-efficiency light charging function, thereby providing a high-performance and high-safety solid electrolyte solution for the flexible light charging lithium metal battery.

The application provides a method for remelting powder superalloy coarse powder return material, and relates to the technical field of nickel-based superalloy refining. The method for remelting powder superalloy coarse powder return material comprises the process steps of coarse powder return material forming, alloy powder ingot smelting, alloy powder ingot refining, alloy powder ingot strengthening refining and coarse powder return material ingot pouring. The binder is at least one of pectin, dextrin, fructose, amylopectin and potato starch. The application realizes the aggregation and dissolution of small-particle oxide inclusions by reasonable binder and coarse powder return material ratio, alloy powder ingot and alloy new material ingot ratio, twice refining process selection, high-temperature melt treatment and strong electromagnetic stirring, so that the size and quantity of inclusions are reduced; then, [O], [N] and [H] are deeply removed by improving the vacuum degree and prolonging the refining time, and the content of [H] is the lowest and can reach zero point several ppm.

This invention discloses the application of the SbGA20ox3 gene in regulating sorghum variety improvement and breeding, belonging to the field of biotechnology. This invention involves targeted editing of the SbGA20ox3 gene in sorghum, resulting in a significant dwarfing phenotype with a dwarfing efficiency of 37.01%–50.67%. Simultaneously, it reduces the number of internodes, shortens internode length, reduces the length of the main spikelet stalk, and increases stem diameter, while increasing cellulose and lignin content, significantly enhancing lodging resistance. Furthermore, it simultaneously optimizes the tannin and amylopectin content of sorghum grains, improving quality traits. The gene-edited sorghum obtained by this invention does not contain transgenic elements, and other agronomic traits are unaffected. It can target and improve sorghum plant architecture, stress resistance, and quality, providing key gene targets and practical technical systems for molecular breeding of dwarfed, lodging-resistant, high-quality, and high-yield sorghum, and has significant agricultural application value.

The application relates to the technical field of water-based paint functional additives, in particular to modified hydroxyethyl methyl cellulose ether suitable for water-based paint and a preparation method and application thereof. The modified hydroxyethyl methyl cellulose ether comprises the following components in percentage by weight: 90-95% of surface treatment type hydroxyethyl methyl cellulose ether; 5-10% of admixture; the admixture comprises the following components in parts by weight: 20-35 parts of N-trimethyl chitosan citrate; 30-45 parts of trehalose grafted polyoxyethylene-polyoxypropylene block copolymer; and 20-40 parts of dodecyl hydrophobically modified branched starch. The application overcomes the performance defects of conventional HEMC through a simple and efficient modification mode, makes the comprehensive performance of the HEMC reach the same level of mainstream HEC, meanwhile, the cost advantage of the HEMC is retained, and the large-scale application of the HEMC in a water-based paint system is realized.