31 results about "Starch digestion" patented technology

The invention relates to the technical field of rice product processing, in particular to high-toughness nutritional rice noodles as well as a preparation method and application thereof. The novel food raw material peach gum and other raw materials are scientifically proportioned, and a twin-screw extrusion technology is combined to generate the high-toughness rice noodles. By optimizing the raw material ratio and process parameters, the toughness, nutritional value and functionality of the rice noodles are remarkably improved; functional dietary fibers are introduced into the formula of the rice noodles, so that the starch digestion rate is regulated and controlled, and the intestinal function is improved. The high-toughness nutritional rice noodles developed by the invention show a relatively balanced characteristic in texture characteristic detection, have unique advantages and potentials in the aspects of controlling the starch digestion rate and improving the intestinal function, can effectively maintain the nutrition and taste of food materials, are compound rice noodles with the characteristics of high toughness, nutrient enrichment and chronic disease adaptation, and have a broad market prospect. The food is suitable for diabetics and weight-losing people to eat.

The invention discloses rye composite powder with a low glycemic index and a preparation method of the rye composite powder, and relates to the technical field of food processing. The preparation method of the rye composite powder with the low glycemic index comprises the following steps: adding water into rye powder, mixing, and sequentially carrying out alkali treatment, acid neutralization treatment, primary enzymolysis, heating gelatinization, ingredient addition, secondary enzymolysis, high-pressure homogenization treatment and spray drying treatment, so as to obtain the rye composite powder with the low glycemic index. Finally, the composite powder product with high soluble dietary fiber content, low glycemic index, good brewing performance and nutrition function synergy is obtained. Through alkaline hydrolysis wall breaking, double-enzymolysis graded release, regulation and control of starch digestion characteristics by light gelatinization, improvement of physical properties by high-pressure homogenization and synergistic interaction of functional ingredients, the problem that existing high-fiber powder is difficult to realize high soluble dietary fibers, low GI and good reconstituability at the same time is solved. The prepared rye composite powder has the advantages that the nutrition function is obviously improved, the process controllability is strong, and the rye composite powder is suitable for large-scale continuous production.

The invention relates to a 4-hydroxy-5-(3-(4-methoxyphenyl)-5-methyl-1-phenyl-1H-pyrazol-4-yl) cyanobenzene compound and an application of the 4-hydroxy-5-(3-(4-methoxyphenyl)-5-methyl-1-phenyl-1H-pyrazol-4-yl) cyanobenzene compound in a medicine for treating diabetes mellitus. The compound as shown in the following formula (1) is obtained through virtual screening in combination with experimental verification, and the compound has remarkable alpha-glucosidase inhibitory activity. In-vitro and in-vivo experiments prove that the compound effectively reduces the generation of glucose and delays the digestion and decomposition of starch by inhibiting the activity of alpha-glucosidase. The invention discloses the compound and the application thereof in the field of preparation of anti-diabetic drugs for the first time, the alpha-glucosidase inhibitory activity of the compound is high, and a new direction is provided for development of diabetes treatment drugs. Formula (1) below

This invention discloses a clean modification process for yam starch with high slow-digestible starch content, belonging to the field of clean starch modification technology. It aims to solve the problems of existing modification processes relying on exogenous additives, high costs, and difficulty in balancing starch digestibility and stability. This invention uses fresh yam as raw material and obtains a co-precipitation system retaining endogenous mucoprotein through isoelectric point sedimentation. Based on this, vacuum alternating pulsed steam treatment is used, utilizing pressure difference and thermal effects to promote the migration of endogenous proteins at the starch particle interface and construct a stable composite structure. Subsequently, annealing is performed under high humidity conditions to induce ordered rearrangement of molecular chains. This process, without adding exogenous substances, precisely controls the starch structure, significantly increases the slow-digestible starch content, and improves the processing stability of the product. It has advantages such as being green and clean, highly safe, and highly functional.

The present application relates to the technical field of health food, and particularly relates to a composition and application thereof in maintaining blood glucose health level. The composition comprises rutin, quercetin, kaempferol and pectin. Experiments show that the composition of the present application significantly reduces the activity of alpha-glucosidase, significantly delays starch digestibility, thereby reduces the postprandial blood glucose level of mice, and the effect is obviously better than that of other flavonoid and pectin compositions. It is shown that the rutin, quercetin, kaempferol and pectin are compounded according to a certain proportion, and obvious synergistic effect is produced. In addition, the composition prepared by the present application reduces the use amount of quercetin, increases the utilization rate of pectin, reduces the production cost, and the raw materials are pure natural, safe and non-toxic, functional, low in cost, and have wide application prospect in the deep processing of starch-based health food.

The invention discloses a 5-(2-nitrophenyl)-2-phenyl-1, 10b-dihydro-5H-benzo [e] pyrazolo [1, 5-c] [1, 3] oxazine compound and application of the 5-(2-nitrophenyl)-2-phenyl-1, 10b-dihydro-5H-benzo [e] pyrazolo [1, 5-c] [1, 3] oxazine compound in a medicine for treating diabetes mellitus. The compound as shown in the following formula (1) is obtained through virtual screening in combination with experimental verification, and the compound has remarkable alpha-glucosidase inhibitory activity. In-vitro and in-vivo experiments prove that the compound effectively reduces the generation of glucose and delays the digestion and decomposition of starch by inhibiting the activity of alpha-glucosidase. The invention discloses the compound and the application thereof in the field of preparation of anti-diabetic drugs for the first time, the alpha-glucosidase inhibitory activity of the compound is high, and a new direction is provided for development of diabetes treatment drugs. Formula (1) below

Disclosed are uses of at least one alpha-1,4 / 1,6-glycoside hydrolase (GLCH) as a feed additive for a ruminant wherein said hydrolase: (a) has at least 20% activity at pH less than or equal to 3 in the presence of pepsin as compared to activity of the hydrolase at pH 6 in the presence of pepsin, (b) said hydrolase is active in at least two of three digestive chambers of a ruminant comprising a rumen, an abomasum and a small intestine and (c) the hydrolase works with pancreatic amylase to increase glucose yield.

The invention discloses a Lactobacillus paracasei G15 and an application thereof in food with an auxiliary blood glucose reducing effect. The lactobacillus paracasei G15 is classified and named as lactobacillus paracasei, the preservation number is CCTCC (China Center for Type Culture Collection) NO: M 20232497, the preservation unit is China Center for Type Culture Collection, and the preservation date is December 7, 2023. The lactobacillus paracasei G15 is used for generating organic acid and active peptide through metabolism, improving the fermentation characteristic of dough, and meanwhile achieving the synergistic hypoglycemic effect by adjusting intestinal flora and enhancing insulin sensitivity. The lactobacillus paracasei G15 can also cooperate with Gansu yeast to construct a composite fermentation system, food functions are improved through microbial metabolism conversion, antinutritional factors in food raw materials are decomposed, active peptides are released, short-chain fatty acids are generated, the starch digestion rate is further delayed, and rapid release of glucose is reduced.

The invention relates to the technical field of development of active peptides, in particular to a novel small-molecule heptapeptide with a starch digestion inhibiting effect and application thereof. According to the method, perigord truffle is taken as a raw material, and the perigord truffle polypeptide is obtained through protein extraction, protein enzymolysis, dialysis and freeze-drying. Furthermore, a bioinformatics tool is used for predicting the activity, potential toxicity, solubility and physicochemical properties of the peptide fragment, wheat starch is selected as a test material, the digestion characteristic of the polypeptide-starch compound is detected, and the peptide fragment is determined according to the starch hydrolysis rate and the ratio of rapidly digested starch to slowly digested starch to resistant starch. The heptapeptide AADELFR with the effect of inhibiting or delaying starch digestion is obtained and is applied to preparation of food or health food beneficial to maintaining the healthy level of blood sugar.

Provided herein are secretory compositions / cocktails derived from a novel, extremophilic fungal species cultured, isolated, and characterized herein. Said novel, extremophilic fungal species may be exploited to produce secretory compositions / cocktails which comprise a unique mixture of thermo-tolerant, stable enzymes capable of digesting cellular and genetic material in its surroundings under extreme temperatures. Such secretory compositions / cocktails may be useful as cleaning and sterilization solutions against biofilm, urine, yeast, bacterial, or viral contamination. Other uses include, but are not limited to, urea removal, fertilizer wastewaters, wastewater reclamation for life support systems in space, pH control, source of ammonia and carbon dioxide, starch digestion, biofuel production, as pharmaceuticals, and medical treatments such as wounds, skin disorders, or nail disorders.

The present application relates to a kind of low GI fresh wet noodles of Trollius chinensis polyphenol fortification and its preparation method.The preparation method of the low GI fresh wet noodles of Trollius chinensis polyphenol fortification includes the following steps: after mixing wheat flour with Trollius chinensis polyphenol, composite flour is obtained, water is added and dough is obtained in the composite flour, after calendering molding, it is obtained;The preparation method of the Trollius chinensis polyphenol is: after crushing Trollius chinensis raw material, Trollius chinensis powder is obtained, solvent is added in the Trollius chinensis powder, and it is obtained after ultrasonic extraction.The low GI fresh wet noodles of Trollius chinensis polyphenol fortification of the present application significantly reduces starch digestion rate by adding Trollius chinensis polyphenol in wheat flour, reduces the GI value of noodle, so that the noodle is more suitable for diabetic patients to eat.

This invention discloses a gluten-free biscuit containing microwave-modified Aspergillus niger soluble dietary fiber from buckwheat bran, belonging to the field of food processing technology. The gluten-free biscuit is made primarily from buckwheat flour, purple sweet potato flour, and microwave-modified Aspergillus niger soluble dietary fiber from buckwheat bran, supplemented with xylitol, butter, egg liquid, etc. The modified dietary fiber forms a three-dimensional network structure in the dough, replacing gluten protein. The modified dietary fiber of this invention is obtained from buckwheat bran through microwave treatment and Aspergillus niger fermentation, exhibiting high water-holding capacity and glucose adsorption capacity. When combined with buckwheat flour and purple sweet potato flour, it can bind dispersed grain particles into a continuous, dense network structure, significantly improving the textural properties of the gluten-free biscuit (reduced hardness, increased cohesion and elasticity), while simultaneously delaying starch digestion and lowering the glycemic index. This invention provides a gluten-free biscuit option with excellent texture and low GI value for people with gluten allergies and celiac disease patients.

The invention relates to an (E)-4-(2-(5-bromo-2-oxoindoline-3-subunit methyl)-4-oxoquinazoline-3 (4H)-yl) benzoic acid compound and an application of the (E)-4-(2-(5-bromo-2-oxoindoline-3-subunit methyl)-4-oxoquinazoline-3 (4H)-yl) benzoic acid compound in a medicine for treating diabetes. The compound as shown in the following formula (1) is obtained through virtual screening in combination with experimental verification, and the compound has remarkable alpha-glucosidase inhibitory activity. In-vitro and in-vivo experiments prove that the compound effectively reduces the generation of glucose and delays the digestion and decomposition of starch by inhibiting the activity of alpha-glucosidase. The invention discloses the compound and the application thereof in the field of preparation of anti-diabetic drugs for the first time, the alpha-glucosidase inhibitory activity of the compound is high, and a new direction is provided for development of diabetes treatment drugs. Formula (1) below

The invention belongs to the technical field of food processing, and particularly relates to a method for synergistically increasing resistant starch through autoclaving treatment and polyphenol. The autoclaving process of the rice starch is optimized through a response surface method, and the optimal conditions are that the moisture content is 43%, the autoclaving temperature is 92 DEG C, the autoclaving time is 17 min, and at the moment, the RS content can reach (22.22 + / -0.23)%. On the basis, the digestion characteristic of the starch can be further regulated and controlled by adding the tea polyphenol, and the effects of the TFs and the EGCG on the aspects of reducing RDS and improving RS are obviously superior to those of DTE.

The application discloses a low GI acid dough added with gluten and application thereof in whole green barley bread, and the acid dough is obtained by inoculating plant lactobacillus to ferment green barley powder added with exogenous gluten as a fermentation matrix, and the starch digestion characteristics, structure characteristics and starch-protein interaction in the microstructure of the acid dough are researched, and the results show that the acid dough has good digestion characteristics. The acid dough is applied to the preparation of the whole green barley bread, and the obtained green barley bread has good taste, excellent specific volume and porosity, and lower GI value, so that the acid dough has excellent development potential as a baking product ingredient in practical application.

The application discloses oat rice steamed cake and a preparation method thereof. The application replaces refined rice powder with whole oat powder, reduces the starch digestion rate of the rice steamed cake, and enriches the flavor and nutritional value of the rice steamed cake. The application adopts mixed bacteria fermentation to improve the texture of the oat rice steamed cake. By optimizing the strain, time, temperature, and compound ratio, and adding beta-glucanase in the fermentation process, the two-stage fermentation of the mixed strains and the appropriate addition of the beta-glucanase not only improve the texture, but also further reduce the amount of carbon source white sugar in the formula, so that the good texture characteristics are ensured, and a certain sugar reduction effect is achieved.

The invention discloses a method for excavating postprandial blood sugar regulatory factors and application thereof, and belongs to the technical field of biological analysis and detection. The method comprises the following steps: firstly, carrying out efficient preliminary screening through artificial substrate digestion under the condition of trace use of a substrate, enzyme and an inhibitor; further screening through actual starch digestion under the condition of constant use of substrates, enzymes and inhibitors; and finally, verifying the regulation effect of the inhibitor on postprandial blood sugar by using an interval gavage method of the inhibitor and gelatinized starch through a starch-loaded animal experiment. The invention further provides application of the method in the preparation process of a medicine for controlling postprandial blood sugar. The microscale-constant-in-vivo coupling analysis technology is utilized, based on the microscale rapid advantage of in-vitro evaluation and target comprehensiveness, the authenticity of in-vivo evaluation is combined, and efficient and accurate mining of micromolecular blood glucose regulation factors such as polyphenol can be achieved.

The invention provides a method for regulating digestion characteristics of rice and inhibiting aging of rice starch, and belongs to the technical field of food processing. According to the invention, the rice is subjected to layered grinding, cooking and storage, so that the rice with relatively low digestion characteristic and difficult-to-age starch is obtained; the grinding degree of the layered grinding is 1 to 12 percent, and the time of the layered grinding is 47s to 787s. The rice with the grinding degree of 2% or above has obvious microstructure difference, and the rice starch surface has clear edges and corners. The aging property difference between rice samples which are milled to be less than 4% is obvious, and the rice which is stored at 4 DEG C for 14 days has starch particle aggregation, so that the structure is more ordered. And the gelatinization characteristic difference between the milled rice samples of less than 2% is obvious. The rice sample with the milling degree of 2% or below has low starch digestibility and digestion rate. Under the same milling degree, the digestion rate and digestion rate of the polished round-grained rice are higher. The rice with low digestibility, digestion rate and aging degree can be obtained by controlling the grinding degree to be 2-4% and the cooking and storage conditions.

The invention relates to the technical field of food processing, in particular to a fermentation type beet root pigment and a preparation method and application thereof. The method comprises the following steps: slicing and crushing beet roots, inoculating a proper amount of specific strains, fermenting for a certain time in an intermittent multi-frequency ultrasonic mode, collecting fermentation liquor, adding a proper amount of maltodextrin and acid substances, and obtaining the fermented beet root pigment powder with dual functions of reducing blood sugar and uric acid by adopting a spray drying mode. Through the synergistic effect of a specific strain combination and an ultrasonic fermentation process, the content of betacyanin in a fermentation product is remarkably increased, and the beet root pigment powder has good inhibitory activity of alpha-amylase, alpha-glucosidase and xanthine oxidase. The prepared pigment powder not only has good stability, can be used as a natural pigment for baked foods such as bread, but also can effectively reduce the starch digestibility of the bread, and has a wide application prospect in preparation of functional products for reducing blood sugar and uric acid.

The application discloses a method for improving resistant starch content of cyperus esculentus by ultra-high pressure treatment and relates to the technical field of starch processing. The method comprises the following steps: (1) compounding cyperus esculentus starch and polyphenols in proportion and incubating in a 25 DEG C water bath for 30 min; (2) performing ultra-high pressure treatment on the mixture obtained in the step (1); and (3) freeze-drying the mixture after the ultra-high pressure treatment to obtain cyperus esculentus resistant starch. The cyperus esculentus starch is extracted by a wet milling and alcohol extraction method, and the steps are as follows: after washing cyperus esculentus, the cyperus esculentus is soaked in deionized water at room temperature for 12 h, then is uniformly pulped after being drained, is filtered through a 100-mesh screen, and then the filtrate is left to stand overnight; the supernatant is discarded, and the precipitate is extracted with anhydrous ethanol for 1 h, and the extraction is repeated for three times; the precipitate is collected, dried and ground to obtain cyperus esculentus starch; the solid-liquid ratio in the uniform pulping process is 1:4 (w / v); and the solid-liquid ratio in the extraction process is 1:1 (v / v). The application provides a method for improving resistant starch content of cyperus esculentus by ultra-high pressure processing, and the produced starch has strong digestibility and a more compact structure.

The invention relates to a compound K052 and application thereof in preparation of diabetes drugs. The invention discloses a (Z)-2-((4-carbamoyl phenyl) imino)-5-(hydroxymethyl)-8-methyl-N-(3-(trifluoromethyl) phenyl)-3, 4-dihydro-2H-pyran [2, 3-c] pyridine-3-formamide compound and application of the (Z)-2-((4-carbamoyl phenyl) imino)-5-(hydroxymethyl)-8-methyl-N-(3-(trifluoromethyl) phenyl)-3, 4-dihydro-2H-pyran [2, 3-c] pyridine-3-formamide compound in a medicine for treating diabetes. The compound as shown in the following formula (1) is obtained through virtual screening in combination with experimental verification, and the compound has remarkable alpha-glucosidase inhibitory activity. In-vitro and in-vivo experiments prove that the compound effectively reduces the generation of glucose and delays the digestion and decomposition of starch by inhibiting the activity of alpha-glucosidase. The invention discloses the compound and the application thereof in the field of preparation of anti-diabetic drugs for the first time, the alpha-glucosidase inhibitory activity of the compound is high, and a new direction is provided for development of diabetes treatment drugs. Formula (1) below

The invention discloses a method for improving the starch digestion inhibition effect of protein, and belongs to the technical field of food processing. Highland barley starch, highland barley prolamin, highland barley glutelin and highland barley separation are selected as raw materials, and the embedding structure of protein in a natural grain structure on the surface of starch particles is simulated by using a spray drying technology. The preparation method comprises the following steps: dissolving protein in 0.02% NaOH solution, then adding highland barley starch, stirring for 30 minutes, then carrying out spray drying treatment, controlling the addition amount of the protein to be 10% of the total mass of the starch, setting the inlet temperature of a spray dryer to be 170 DEG C, setting the outlet temperature to be 80 DEG C, and controlling the feeding speed of a peristaltic pump to be 35 mL / min, the appearance of the prepared starch sample is similar to the spatial structure in highland barley grains, and the digestibility of the highland barley grains is reduced.

The application provides a preparation method of hickory hullin acid-pea protein complex with starch digestive enzyme inhibition activity, and belongs to the technical field of food proteins. Specifically, the method comprises the following steps: step 1, hickory hullin acid extraction; step 2, hickory hullin acid separation; step 3, purification of phenolic acid compounds; and step 4, preparation of hickory hullin acid-pea protein complex. The pea protein complex prepared by the method has good alpha-amylase and alpha-glucosidase inhibition activity, can be used for developing a new type of diabetes drug or as a functional food ingredient, and is helpful for controlling blood sugar. Through the application, the hickory hull, a hickory processing byproduct, can be converted into a product with biological activity, the pollution of hickory hull as garbage waste to the environment is reduced, and the effective utilization of resources is promoted.

The application discloses a method for preparing medium glycemic index wheat flour by regulating the roller spacing of skin mill and heart mill, and belongs to the technical field of food processing. The wheat variety with a hardness index of 65-70 is selected, and after cleaning, stone removal and impurity removal, the wheat is moisturized to a moisture content of 14.5-15.5%; the roller spacing of the skin mill is set to 0.1-0.3 mm, and the roller spacing of the heart mill is set to 0.01-0.03 mm; the roller spacing of the skin mill and the heart mill is synergistically regulated, and the in-vitro glycemic index EGI of the wheat flour is controlled to be less than or equal to 70. The application establishes a synergistic regulation method for the roller spacing of the skin mill and the heart mill, and discloses the mechanism that the skin mill spacing dominates the processing precision and the heart mill spacing dominates the starch digestion characteristics; by reasonably widening the roller spacing, the starch grain integrity can be maintained while the flour yield is ensured, the starch digestion is significantly delayed, the EGI is reduced, and the method is suitable for the industrialized production of medium glycemic index special-purpose wheat flour.

This invention discloses the preparation and application of a highly resistant tuber raw material powder. It rapidly and efficiently isolates intact cells from tuber crops, maintaining cell wall integrity and delaying starch digestion while minimizing the loss of dietary fiber, protein, and polyphenols. The highly resistant tuber raw material powder prepared by this invention exhibits excellent processing characteristics. By appropriately replacing wheat flour in noodle formulations, it effectively lowers the glycemic index (GI) of the product. Furthermore, the highly resistant tuber raw material powder, in conjunction with gluten, oat β-glucan, and calcium stearoyl lactylate, further enhances the encapsulation of starch by non-starch components, resulting in low-GI noodles with superior taste and flavor.

The invention relates to the technical field of food, and particularly discloses low-GI dietary fiber self-made steamed corn bread and a preparation method thereof, and the low-GI dietary fiber self-made steamed corn bread comprises 40-70% of flour; 12%-38% of dietary fiber; 1%-3% of self-raising flour ingredients; 0.5%-3% of a lactic acid bacteria starter for producing exopolysaccharides; 0.5%-2% of saccharomycetes; 30%-45% of water; by adding resistant starch and prebiotics and combining a compound fermentation process, the prepared steamed corn bread effectively delays digestion and absorption of starch, and is suitable for diabetics and healthy diet people; through the scientific proportion of the resistant starch and the prebiotics, the nutritional function of the product is maintained and the intestinal health is promoted while sufficient dietary fibers are provided; the microbial extracellular polysaccharide is synthesized in situ by utilizing compound fermentation of lactic acid bacteria capable of producing the extracellular polysaccharide and saccharomycetes, so that the network structure of the dough is enhanced, and the steamed corn bread still keeps soft texture, high elasticity and good bulkiness under a high-fiber condition.

The present application aims to provide a kind of resistant digestion starch and the method for improving the resistance of starch digestion.The waxy starch with high amylopectin content is used as raw material, and after high temperature pre-gelatinization, enzymatic debranching and alcohol fractionation, the low temperature assisted molecular chain ordering of starch is used, and the perfect structure of starch recrystallization is further improved based on magnetic induction effect, so that the resistant digestion starch is obtained.The obtained resistant digestion starch is typical A type crystal, and the relative crystallinity is more than 70%, the content of slow digestion starch and resistant starch can reach 30% and more than 55%.

The present application provides a method for reducing starch digestion rate by cactus soluble dietary fiber and its application in low GI food, wherein the cactus soluble dietary fiber is added into starch system, and the addition amount of the cactus soluble dietary fiber in the starch system is 0.5-2 mg·mL ‑1 The present application can reduce the gelatinization degree of potato starch by cactus soluble dietary fiber by changing the hydrogen bond network of water, and form a complex with potato starch; the cactus soluble dietary fiber can reduce the activity of starch glucosidase and the catalytic efficiency; the cactus soluble dietary fiber can inhibit glucose diffusion and reduce the rate of blood sugar rise.

The invention relates to a preparation technology of a straw-concentrate fungus enzyme synergistic double-stage fermentation cattle and sheep feed in a cold region, and belongs to the field of feed production. Step 2, preparing a concentrate; step 3, preparing a mixture; step 4, carrying out aerobic fermentation on the mixture; step 5, converting aerobic fermentation of the mixture into anaerobic fermentation; and step 6, carrying out anaerobic fermentation on the mixture, and sub-packaging to obtain the finished feed. According to the invention, an aerobic-anaerobic two-stage fermentation mode is adopted and combined with a bacterium-enzyme integrated synergistic effect, so that the straw fiber degradation rate and the nutrition conversion rate are remarkably improved, the protein content of the finished feed is improved by 15% or above, the starch digestibility is improved by 30%-40%, and the energy utilization rate is improved by 25%-30%; the device adapts to various fermentation modes such as manual pile turning, groove type mechanization and three-dimensional tank type fermentation modes, can flexibly adjust the production scale, and is suitable for large-scale production of farms in cold regions and feed processing factories.