49 results about "Stachyose" patented technology

The invention relates to the field of nutrient solutions, and particularly discloses a high-calcium-zinc dietary nutrient solution for promoting skeletal development and a preparation method thereof, the high-calcium-zinc dietary nutrient solution for promoting skeletal development comprises the following raw materials: calcium citrate, zinc citrate, a zinc-containing yeast extract, vitamin D3, a nutrition enhancer, functional oligosaccharide, xanthan gum, anhydrous citric acid, essence, a sweetening agent and water; the preparation method comprises the following steps: mixing the zinc citrate, the zinc-containing yeast extract, the seaweed meal, the natto powder, the stachyose and the trehalose to prepare a mixture A; uniformly premixing stevioside, xanthan gum and trehalose to obtain a mixture B; s4, vitamin D3 powder and trehalose are premixed and dissolved, and a mixture C is prepared; heating the residual water, adding the mixture A, the fructo-oligosaccharide, the anhydrous citric acid, the calcium citrate, the mixture B, the trehalose and the mixture C, adding the essence, and stirring to obtain the beverage. The preparation method has the characteristic of preparing the liquid calcium-zinc dietary nutrient solution with good absorption and utilization rate and palatability.

The invention provides a plant lactobacillus for promoting skeletal development in a growth period as well as application and a product of the plant lactobacillus, and belongs to the technical field of microorganisms. The invention provides a lactobacillus plantarum BL25 and a probiotic preparation thereof, the preservation number of the lactobacillus plantarum BL25 is CGMCC (China General Microbiological Culture Collection Center) No.33117, stachyose is adopted as prebiotics, and compared with other prebiotics, the lactobacillus plantarum BL25 can obviously promote the activity of the lactobacillus plantarum BL25. The plant lactobacillus BL25 and the probiotic preparation thereof have the effect of resisting the severe environment of gastrointestinal tracts, and can increase the length of femur and bone density, promote the development of a bone microstructure, improve bone metabolism, increase osteogenesis markers and reduce osteoclast markers, so that the skeletal development in the life growth period is promoted.

The invention provides a soluble dietary fiber composition. The soluble dietary fiber composition comprises galactomannan, kelp dietary fibers, oat beta glucan, galactooligosaccharide, polydextrose, stachyose and xanthophyll. The invention also provides application of the soluble dietary fiber composition in functional food or constipation treatment medicines.

The present invention belongs to the technical field of functional / health food, and specifically relates to a prebiotic composition and its preparation and application in maintaining probiotic activity and promoting probiotic proliferation. The prebiotic composition includes 1-20 parts of sugar alcohol, 1-10 parts of sustained-release embedding material, and 20-100 parts of prebiotics by weight; the prebiotics are oligofructose, oligoxylose, oligomaltosan and stachyose; the mass ratio of oligofructose, oligoxylose, oligomaltosan and stachyose is 2:1:1:2. And the composition is granulated twice, has good solubility, can effectively promote the proliferation of probiotics and maintain their activity, and improves the effectiveness of probiotics.

The invention relates to the technical field of functional food, in particular to immune regulation type prebiotic syrup with synergy of galactomannan. The active components of the composite solid beverage are prepared from the following raw materials in percentage by weight: 20%-35% of fructo-oligosaccharide, 10%-18% of galactooligosaccharide, 8%-15% of stachyose, 3%-7% of xylooligosaccharide, 5%-12% of lactitol, 5%-10% of galactomannan, 2%-5% of yeast beta-glucan and 1%-3% of N-acetylglucosamine. The composition further comprises 4-8% of inulin and 3-6% of resistant dextrin as a matrix filling and slow-release carrier, and the sum of the weight percentages of all the active ingredients and the carrier is 100%. By remodeling intestinal microecology and inhibiting inflammation pathways, the intestinal inflammation state can be remarkably improved, expression of intestinal mucosa tight junction protein is promoted, and an innovative solution is provided for people suffering from chronic bowel diseases and immune imbalance.

The invention relates to the field of anti-allergic compositions, and discloses an immunoregulation anti-allergic compound powder based on non-active yeast and probiotics, and the immunoregulation anti-allergic compound powder comprises the following components in parts by mass: 15-30 parts of non-active yeast powder, 10-25 parts of a probiotic composition, 40-55 parts of a prebiotic composition, 4-6 parts of fucoidin, 0.5-1.5 parts of N-acetylneuraminic acid, and 5-10 parts of an auxiliary material; wherein the prebiotic composition is prepared from resistant dextrin, stachyose, fructo-oligosaccharide and galactooligosaccharide; the auxiliary materials comprise at least two of anhydrous dextrose, acerola cherry powder, elderberry powder, sorbitol and yeast beta-glucan. Through the coupling design of low-temperature mixing and a step-by-step embedding process, the mobility of the powder is maintained, and meanwhile, the activity of thermosensitive components is kept. Compared with a conventional high-temperature mixing or disordered adding process, the problems of component damage and function loss caused by a heat effect or mechanical shearing are solved.

The application discloses a high-precision intelligent control and adjustment method for stachydrine fermentation and purification, and relates to the field of biological fermentation process control. The method comprises the following steps: obtaining a stachydrine mixed solution in a first sugar content interval; inoculating Eurotium cristatum at a first preset temperature after sterilization to start fermentation and obtain an initial fermentation liquor; monitoring the content ratio change of stachydrine and non-target sugars in real time through HPLC to obtain sugar content monitoring data; introducing a membrane separation device for selective dialysis to obtain membrane permeation rate monitoring data; performing dynamic evaluation on stachydrine enrichment according to the sugar content monitoring data and the membrane permeation rate monitoring data, generating a dynamic adjustment strategy for fermentation conditions based on the evaluation results; and performing fermentation process adjustment control. The method solves the technical problem that the existing stachydrine fermentation and purification cannot realize real-time and accurate monitoring and dynamic adjustment of fermentation conditions, resulting in low fermentation efficiency and low purity, and achieves the technical effect of improving the fermentation efficiency and purity of stachydrine through intelligent control of the fermentation process.

The invention discloses frozen dough added with stachyose and a preparation method of the frozen dough, and belongs to the technical field of food processing. The instant noodles are prepared from the following raw materials in parts by weight: 80-100 parts of medium gluten wheat flour, 0.8-1.2 parts of dried yeast, 40-60 parts of water and 0.5-2.0 parts of stachyose. The preparation method comprises the following steps: adding water into the dried yeast for activation, and mixing and stirring the activated dried yeast with the medium-gluten wheat flour; dissolving stachyose in water to obtain a solution, adding the solution into the mixture, and stirring until the dough is formed; standing and fermenting the dough, partitioning, kneading and shaping, packaging with a preservative film, and freezing and storing, so as to obtain the frozen dough added with stachyose. The stachyose is added into the dough, so that the quality deterioration of the dough caused by freezing treatment can be effectively improved. In addition, the stachyose is added, so that the blood sugar rising rate after flour products such as steamed buns are eaten can be reduced, and the pursuit of people for health is met.

The invention relates to a probiotic composition for promoting alcohol degradation and metabolism and improving discomfort symptoms after drinking. The probiotic composition comprises the following raw materials in parts by weight: 35-40 parts of lactitol; 28 to 35 parts of fructo-oligosaccharide; 15 to 34 parts of stachyose; 5-10 parts of mango fruit powder; 2 to 4 parts of lactobacillus rhamnosus LR519; 0.5 to 2.5 parts of plant lactobacillus LP45 (Lipoprotein 45); 0.005 to 0.015 part of bifidobacterium bifidum B11, and 0.005 to 0.015 part of bacillus subtilis; 0.005 to 0.015 part of Lactobacillus helveticus L551, and 0.005 to 0.015 part of Lactobacillus And 0.1 to 0.3 part of vitamin C. The traditional Chinese medicine composition can promote alcohol degradation, accelerate alcohol metabolism and effectively improve discomfort symptoms after drinking.

The invention discloses prebiotic soft fried dough twists and a making method thereof, and belongs to the technical field of food. The fried dough twist disclosed by the invention is prepared from the following raw materials in parts by mass: 132 to 169.5 parts of a dough base material, 5 to 6 parts of resistant dextrin, 7 to 9 parts of fructo-oligosaccharide microcapsules, 6 to 8 parts of isomaltitol, 1.5 to 2 parts of stachyose, 0.5 to 1.0 part of soybean lecithin and 0.01 to 0.03 part of vitamin E. The prebiotic retention rate is synergistically increased through microcapsule coating and a making process, the aging resistance of the fried dough twist is improved through synergistic moisturizing of resistant dextrin and fructo-oligosaccharide microcapsules, white granulated sugar is partially replaced by isomaltitol, stachyose and other sugar parts with low glycemic index, and the taste of the fried dough twist is improved. And the resistant dextrin with high dietary fiber content and the fructo-oligosaccharide prebiotics are matched, so that the product not only meets the sweet taste requirement, but also meets the healthy diet pursuit of modern consumers on low sugar, high fiber and high prebiotics.

The invention belongs to the technical field of intestinal health care, and relates to a composition containing a milk fat globular membrane and application of the composition. The composition comprises the following components in parts by weight: 0.1 to 0.4 part of a milk fat ball membrane, 0.4 to 2.4 parts of fructo-oligosaccharide, 0.1 to 1 part of xylooligosaccharide, 0.1 to 0.5 part of stachyose and 0.1 to 0.5 part of metabiotics. The composition can increase beneficial bacteria, inhibit growth of harmful bacteria and increase intestinal peristalsis; the intestinal permeability is regulated; meanwhile, the level of tight junction protein and mucoprotein in the intestinal tract is adjusted, and the intestinal tract barrier is enhanced; the intestinal inflammation level can also be regulated. The composition improves intestinal health through multiple targets, and has a remarkable effect on improving intestinal problems such as constipation and inflammatory bowel diseases; meanwhile, depression and anxiety mood caused by intestinal problems can be relieved, the life quality is improved, and the traditional Chinese medicine composition is more beneficial to overall health of organisms and can be taken for a long time.

The pet meat staple food grain based on composite prebiotic fermentation and the preparation method thereof have the advantages that 1, a composite prebiotic combination adopts a synergistic proportion of fructo-oligosaccharide, inulin, stachyose and galactooligosaccharide, and the regulation efficiency of intestinal flora is remarkably improved through the design that the proportion of a GF2 component is greater than or equal to 70% and the proportion of a long-chain component (the polymerization degree is 6-8) is greater than or equal to 20%; 2, animal meat sources (cattle tendon and chicken breast) and fermented plant raw materials are scientifically proportioned, and high-bioavailability protein and soluble fiber are provided; 3, the probiotic preparation is compounded by lactobacillus acidophilus and bifidobacterium in a ratio of 1: 1.5, and the survival rate of viable bacteria and the yield of metabolites are ensured in combination with a staged fermentation process; and 4, the mineral premix and the vitamin compound are accurately added, so that the nutritional requirements of pets in different life cycles are met, and the synergy of nutrition comprehensiveness and functionality is realized.

The invention relates to the technical field of microbial fermentation, and discloses bacillus subtilis, application of the bacillus subtilis in fermented soybean meal and a preparation method of the fermented soybean meal. The bacillus subtilis screened by the invention has strong anti-nutritional factor resistance (such as glycinin, beta-conglycinin, raffinose and stachyose), has a good growth effect in the soybean meal raw material, and is used for fermenting the soybean meal raw material; the content of anti-nutritional factors (such as glycinin, beta-conglycinin, raffinose and stachyose) in the soybean meal raw material can be obviously reduced, and meanwhile, the content of lipopeptide substances (such as surfactin and bacitracin D) in the fermented soybean meal product can be obviously improved; the prepared fermented soybean meal product has a good antibacterial effect on three common intestinal pathogens (escherichia coli, salmonella and staphylococcus) in animal bodies.

The invention discloses a prebiotic composition rich in dendrobium officinale polysaccharides. The prebiotic composition comprises the following components in parts by weight: 10-30 parts of dendrobium officinale polysaccharides, 4-28 parts of xylooligosaccharide, 5-20 parts of stachyose, 10-30 parts of galactooligosaccharide, 4-20 parts of psyllium husk powder and 10-30 parts of taste adjusting powder. According to the prebiotic composition rich in the dendrobium officinale polysaccharide, the efficient delivery and stability of the dendrobium officinale polysaccharide are ensured through the careful selection of the raw materials and the collaborative design of the formula, and the intestinal health promotion function is improved. The invention further provides a tablet candy adopting the prebiotic composition and a preparation method of the tablet candy.

The invention belongs to the field of beverages, and particularly relates to an almond stachyose plant beverage and a preparation method thereof. The almond and stachyose plant beverage is prepared from the following raw materials: semen armeniacae amarae, stachyose, snow pears, perilla leaves, hawthorn fruits, fresh ginger, chrysanthemum flowers, liquorice roots and vitamin C. The invention aims to provide the plant functional beverage which is fresh and cool in mouth feel, clear and sweet in aftertaste, suitable for people of all ages, nutritional, healthy, convenient and practical through scientific compatibility of medicinal and edible material formulas such as almonds and the like. The defects of light weight, singleness and one-sidedness of functions of a single plant beverage are overcome, scientific and reasonable compatibility and synergistic effect of medicinal and edible foods including bitter apricot kernels, perilla leaves, hawthorn fruits, fresh ginger, chrysanthemum flowers, snow pears and liquorice and stachyose with unique effects are realized, and the effects of ventilating the lung, reducing dryness, conditioning the spleen and the stomach and relaxing bowel are achieved together. Therefore, the effects of synergistically reducing dryness-fire, removing stasis, regulating in-vivo micro-ecological balance and improving the whole immunity of a human body are achieved.

The invention discloses a medicine for relieving side effects of gastrointestinal tracts caused by nintedanib, a medicine for preventing or treating pulmonary fibrosis and application of stachyose, and belongs to the technical field of medicines. The medicine taking the stachyose as the active ingredient can effectively relieve gastrointestinal tract side effects caused by the nintedanib, for example, intestinal mucosa lesions caused by the nintedanib can be obviously relieved, for example, intestinal mucosa tissue structure abnormity, intestinal cell proliferation activity reduction, intestinal cell apoptosis increase, intestinal tissue inflammatory factor gene expression level up-regulation and the like.

The application discloses a kind of soybean oligosaccharide content detection methods in food, the food is soy milk, the soybean oligosaccharide is stachyose, raffinose and sucrose.Method includes the following steps: (1) preparation standard stock solution and standard working solution;(2) preparation sample solution to be measured;(3) high performance liquid chromatography analysis condition;(4) establish standard working curve;(5) result analysis.The application establishes the high performance liquid chromatography determination method of low content level soybean oligosaccharide in soy milk.The application innovatively uses derivatization method to the soybean oligosaccharide (stachyose, raffinose and sucrose) and is derived, thereby greatly improves detection sensitivity, so that simple and easy to operate, without needing to carry out multiple large volume extraction solvent extraction and rotary evaporation concentration processing, and fills the blank of soybean oligosaccharide content detection field in soy milk.The method is simple in operation, high in sensitivity, good in reproducibility and stability, can satisfy the daily detection requirement of low content level soybean oligosaccharide in soy milk for inspection organization and enterprise internal laboratory.

The invention discloses a special extraction device for a stachyose production process, and relates to the field of stachyose preparation, the special extraction device comprises a drying cylinder, a feeding mechanism for spraying stachyose concentrate is arranged at the top in the drying cylinder, and a hot air mechanism is arranged at the bottom in the drying cylinder; a scraping mechanism is arranged in the drying cylinder and comprises an arc-shaped scraping plate attached to the inner wall of the drying cylinder, and the arc-shaped scraping plate is driven to move in a reciprocating mode so as to scrape away materials attached to the inner wall of the drying cylinder. And through the arranged arc-shaped scraping plate, materials (stachyose concentrate) attached to the inner wall of the drying cylinder can be scraped away, and the caking phenomenon caused by long-time drying is avoided.

The present invention relates to a Saccharomyces cerevisiae strain that can utilize soybean molasses for fermentation and its application. This Saccharomyces cerevisiae strain SC-HKB100 was deposited at the China Center for Type Culture Collection on September 30, 2019, with the deposit number CCTCC NO: M 2019769. Under specific conditions, Saccharomyces cerevisiae strain SC-HKB100 can fully ferment using soybean molasses as a sugar source, effectively utilize sucrose, raffinose, stachyose, etc. in soybean molasses, and reduce antinutritional factors such as saponins in soybean molasses. Compared with traditional fermentation sugar sources such as beet molasses and sucrose molasses, it can significantly reduce the production cost of the yeast fermentation industry, and the fermented product has a high protein content and rich amino acid nutrition, and can be used as an ideal high-quality protein raw material.

The invention relates to the technical field of health care product preparation, in particular to fat dissolving powder and a preparation method thereof. Comprising the following raw materials in parts by weight: white kidney beans, flammulina velutipes, resistant dextrin, food essence, lactitol, inulin, vegetable and fruit plant enzyme powder, apple powder, compound probiotic powder, edible glucose, sorbitol, polydextrose, fructo-oligosaccharide, stachyose, xylooligosaccharide, L-arabinose, lactose and galactooligosaccharide. The fat dissolving powder disclosed by the invention selects the white kidney beans and the needle mushrooms as main materials, has the effects of promoting intestinal tract movement, accelerating the detoxification speed, helping a body to burn redundant fat, losing weight and beautifying, is rich in antioxidant substances, such as vitamin C and polyphenol compounds, and the components are beneficial to scavenging free radicals and reducing oxidative stress, so that the aging process is delayed, and the fat dissolving powder is suitable for being eaten by people. Various saccharides are added to further improve the intestinal environment, and L-arabinose is supplemented to inhibit the absorption of cane sugar and disaccharide in high-sugar and high-fat diet so as to achieve the effect of reducing blood sugar.

The invention discloses moistening and smoothing composite probiotic powder and a preparation method thereof, and belongs to the technical field of functional foods. According to the probiotic powder, resistant dextrin and ultramicro-granulated psyllium husk powder are used as fiber matrixes, fried semen cassiae, fructus cannabis and radix polygonati officinalis are used as conditioning components, three prebiotics including fructo-oligosaccharide, galactooligosaccharide and stachyose are matched, and momordica grosvenori powder, freeze-dried mulberry powder and baked barley flour are used as auxiliary materials, so that the flavor and the taste are improved; the preparation method comprises the steps of low-temperature drying, 800-mesh superfine grinding, graded premixing, three-dimensional total mixing, whole grain screening and the like. According to the invention, the problems of easy caking, rough taste, heavy medicine flavor, poor solubility, strong irritation and the like of traditional like products are solved, and the obtained product is instant in water, fine and smooth, free of obvious medicine feeling, capable of mildly conditioning intestinal tracts and promoting smoothness, high in safety, suitable for long-term eating, stable in process and suitable for industrial production.

The invention provides a method for inhibiting germination of stachys sieboldii tubers and prolonging the shelf life of the stachys sieboldii tubers, which comprises the following steps: S1, washing harvested fresh tubers with tap water, and cleaning soil on the surfaces; s2, drying the surface moisture at room temperature; s3, soaking the stachys sieboldii tubers in a hydrogen peroxide solution for 30 minutes; s4, airing the surfaces of the stachys sieboldii tubers at room temperature; and S5, bagging the stachys sieboldii, and storing in a dark place at room temperature. The method has the beneficial effects that the germination of the stachys sieboldii can be inhibited for more than one week under a room-temperature storage condition, the content of oligosaccharides such as stachyose, raffinose and verbascose is maintained not to be reduced, and the quality of the stachys sieboldii is maintained while the shelf life of the stachys sieboldii is prolonged when the stachys sieboldii is stored at room temperature; the method solves the problem that the quality is reduced due to the fact that the stachys sieboldii germinates after being harvested.

This invention discloses a gene combination, recombinant expression vector, construction method, and application for increasing the stachyose content of potatoes, belonging to the field of biotechnology. The gene combination includes the GalE gene, the GS gene, and the STS gene. Furthermore, this invention proposes a recombinant expression vector comprising the above gene combination. Additionally, this invention proposes a method for constructing the above recombinant expression vector, comprising: digesting the backbone vector with Eco31I enzyme, and ligating the target gene and regulatory element into the vector to form the recombinant expression vector pNK2-GalE-STS-GS. Furthermore, this invention proposes the application of the above gene combination, or the above recombinant expression vector, in increasing the stachyose content in potato tubers. The three genes GalE, GS, and STS proposed in this invention are specifically expressed in potato tubers, increasing the stachyose content in potato tubers by up to 16 times.

The present invention provides a spicy tricholoma matsutake leisure instant product and a preparation method thereof, the preparation method comprises the steps of raw material treatment, compound enzyme liquid spraying, pickling, magnetoelectric assisted pulse negative pressure permeation, frying, seasoning, packaging and sterilization, after blanching, the compound enzyme liquid containing papain and 5 '-phosphodiesterase is used for pretreatment of tricholoma matsutake, fibers are tenderized, and the delicate flavor is improved; then, a hollow multi-cavity liposome is added in the pickling link, a compact shell is formed by the liposome through yeast beta-glucan and stachyose, cannabis oil and purple sweet potato anthocyanin are wrapped in the compact shell, and flavor components and the functional liposome are promoted to deeply permeate into the tricholoma matsutake by utilizing a magnetoelectric auxiliary pulse negative pressure technology; the problems that a traditional product is uneven in flavor and functional components are prone to losing efficacy in the processing and digestion process are effectively solved, and finally the high-quality leisure instant product is obtained.

The invention relates to detoxification type goat milk powder and a preparation method thereof. The isomaltooligosacharide, the demineralized whey powder, the whey protein powder, the inulin, the compound vitamins, the compound minerals, the calcium carbonate, the stachyose, the triple compound probiotics and the like are added into the high-quality raw goat milk, so that the raw goat milk is rich in various nutritional ingredients, and the goat milk powder is obtained after homogeneous mixing and sterilization treatment and spray drying or freeze drying treatment. The prepared goat milk powder is uniform in component and more comprehensive in nutrition, the added stachyose has the effects of regulating intestinal flora, relaxing bowel and maintaining skin elasticity, excretion and detoxification of a human body can be effectively promoted, and the functional effect of the goat milk powder is further improved.

The present invention provides a lyophilized composition containing tolvaptan sodium phosphate and a preparation method for the lyophilized composition. One or more of maltitol, raffinose, dextran, stachyose, arabinogalactan, fructooligosaccharide, galactooligosaccharide, isomaltooligosaccharide, polyethylene glycol, xylitol, or sorbitol is / are used as a lyoprotectant, so that the problem in the prior art that lyophilized compositions containing tolvaptan sodium phosphate are difficult to satisfy both high stability and high clarity; provided a tolvaptan sodium phosphate-containing composition which satisfies both high stability and high clarity, has a high dissolution rate and is easy to apply, reducing generation of impurities; in addition, in the preparation and long-term storage process, better stability is achieved, the opalescence and turbidity of liquid medicine during reconstitution and redissolution are avoided, dissolution is easier, and safe application of the product is facilitated.

The application discloses an antioxidant prebiotic composition, a preparation method and application thereof, and relates to the technical field of functional food. The prebiotic composition according to the application is composed of the following components in parts by weight: 10-20 parts of plant complex enzyme stock solution, 1-10 parts of corn silk juice, 1-10 parts of winter gourd lotus leaf extract, 10-20 parts of polydextrose, 1-10 parts of stachyose, 1-10 parts of fructooligosaccharide, 1-10 parts of roxburgh rose powder, 1-10 parts of opuntia ficus-indica fruit juice powder, 1-10 parts of poria cocos powder, 1-10 parts of coix seed powder, 1-10 parts of Chinese yam powder, 1-10 parts of red bean powder and 1-5 parts of dried tangerine or orange peel powder. The plant enzyme, prebiotic and specific food components are selected and prepared into the composition in a specific proportion, so that the antioxidant effect can be achieved.

The invention discloses a body-weight-reducing composition which comprises the following components: a fermented fruit beverage, a fermented plant beverage, arabinose, psyllium husk powder, inulin, fructo-oligosaccharide, mannose oligosaccharide and stachyose, and a preparation method of the body-weight-reducing composition comprises the following steps: preparing the fermented fruit beverage, preparing the fermented plant beverage, preparing the fermented plant beverage, and preparing the body-weight-reducing composition. Mixing the fermented fruit beverage, the fermented plant beverage, arabinose, psyllium husk powder, inulin, fructo-oligosaccharide, mannan-oligosaccharide and stachyose, and combining to obtain the body-weight-reducing composition. According to the invention, a full chain formed by fat can be intervened, and sugar resistance, sugar inhibition, sugar discharge and fat burning can be realized; fat generation and accumulation are prevented; therefore, the aims of lightening body and losing weight are fulfilled; the bad experience of weight losing, such as diarrhea, rebound and forbidding, is solved; the symptoms of liver depression and spleen deficiency of obese patients can be effectively relieved, so that the aim of effectively treating obesity is fulfilled.

The invention discloses anti-freezing potato modified starch and a preparation method and application thereof, and the preparation method of the starch comprises the following steps: adding stachyose into potato starch, uniformly mixing, adding water to adjust the water content to 40-50%, treating with an extrusion bulking machine, and finally drying and crushing to obtain the anti-freezing potato modified starch. After the anti-freezing potato modified starch is frozen for five times, the water separation rate is 62.61 to 74.93 percent. The potato starch and the stachyose are subjected to extrusion treatment to improve the freeze-thaw stability of the potato starch, the problems that natural potato starch is high in bleeding rate, insufficient in solubility and expansion degree and low in digestion resistance are solved, and the potato starch is applied to fresh dumpling wrappers to improve the freezing resistance and sensory characteristics of the dumpling wrappers.

The invention relates to the technical field of biological pharmacy, in particular to application of a rhizoma polygonati extract in preparation of a medicine for treating liver injury, and the rhizoma polygonati extract is prepared from the following main active ingredients: hexadecanamide, L-valine, 2-pyrrolidine carboxylic acid, 4-oxoproline, manninotriose, succinic acid, choline, D-(-)-ribose, stachyose and L-threonine. The invention proves that the prophylactic administration of the rhizoma polygonati extract can improve the acetaminophen-induced liver injury, so that the rhizoma polygonati extract has important clinical significance on pain patients who need to take acetaminophen for a long time, and can be developed into an effective liver protection auxiliary medicine.