2123 results about "Sucrose" patented technology

The invention discloses a method for extracting extracellular vesicles from dried Sanguisorba officinalis rhizomes and application of the extracellular vesicles, and relates to the technical field of molecular biology and biomedicine.The method comprises the following steps that S1, rehydration is conducted, specifically, the dried Sanguisorba officinalis rhizomes are subjected to liquid nitrogen quick freezing and then ground into powder at the low temperature, the powder and hydration liquid are mixed according to the proportion of 1: 10 (w / v), the mixture is slowly stirred for 2-4 h at the temperature of 4 DEG C, and the extracellular vesicles are obtained; removing large-particle impurities by using sterile gauze or a filter screen, and collecting filtrate; according to the method, through the synergistic effect of multiple enzymolysis and in combination with cellulase, pectinase and the like, the degradation efficiency is remarkably improved, meanwhile, EDTA is chelated with metal ions, and the enzymolysis effect is enhanced. Short-time alternating ultraviolet light is introduced to activate'dormant 'vesicles, so that the yield and the biological activity are improved. Secondly, multiple protection mechanisms, such as vitamin C, EDTA (Ethylene Diamine Tetraacetic Acid), cane sugar, BSA (Bovine Serum Albumin) and an ultraviolet protective agent are adopted, so that the integrity and the biological activity of the vesicles are ensured.

The invention relates to the technical field of asphalt modifiers, and particularly discloses an asphalt regenerant as well as a preparation method and application thereof. The asphalt modifier comprises an oil phase, a polymer phase, a nano reinforced phase and a functional additive phase, wherein the oil phase comprises petrochemical oil and vegetable oil; the polymer phase comprises four-arm radiation star-shaped SBS and a rubber powder lysis solution; the nano reinforced phase comprises silane coupling agent modified nano montmorillonite and graphene; the functional additive phase comprises maleic anhydride grafted polyethylene and sucrose ester. The asphalt regenerant provided by the invention is suitable for various types of aged asphalt, in particular to aged polymer modified asphalt, each failure phase of the aged polymer modified asphalt is accurately repaired through a multi-phase synergistic mechanism, full-dimension regeneration of the aged polymer modified asphalt from a molecular scale to macroscopic performance is realized, and the asphalt regenerant has a wide application prospect. Excellent applicability and reliability are shown in regeneration of various types of aged asphalt, and a powerful guarantee is provided for high-quality implementation of road engineering.

The invention relates to a method for increasing the sweetness value of carbohydrates by using an aroma substance containing isoeugenol, which comprises the following steps: mixing the carbohydrates and the aroma substance containing isoeugenol, and exploring the influence on the sweetness response value by using an electronic tongue and a molecular simulation technology. The aroma substance containing isoeugenol comprises isoeugenol or an isoeugenol capsule clathrate compound, the carbohydrate substance comprises cane sugar, and the isoeugenol capsule clathrate compound is an isoeugenol / gamma-cyclodextrin capsule clathrate compound. Compared with the prior art, the sweetening effect of the isoeugenol is obvious under the cane sugar concentration of 7wt%-9wt%; the sweetening effect of the isoeugenol capsule clathrate compound is higher than that of isoeugenol under the same condition, the aroma is more lasting and soft at high temperature, the sweet response value is larger, molecular docking shows that the capsule clathrate compound further strengthens the interaction between sucrose and sweet receptor protein, a theoretical support is provided for precise regulation and control of food flavor, and the isoeugenol capsule clathrate compound has good application prospects. The method can be used for developing novel food and beverage products.

The invention relates to a method for constructing HPLC (High Performance Liquid Chromatography) contents of multi-index components of a reference sample of traditional Chinese medicine powder, which comprises the following steps: step 1, preparation of a reference sample of Kaixin powder: taking polygala tenuifolia, ginseng, poria cocos and rhizoma acori graminei, and crushing into fine powder; 2, preparing a Kaixin powder reference sample and a reference substance detection solution; 3, detecting the Kaixin powder reference sample and the reference substance detection liquid by adopting an HPLC (High Performance Liquid Chromatography) instrument to obtain a chromatogram; and step 4, calculating the content of the effective components in the Kaixin powder reference sample according to the chromatogram. Wherein in the step 3, an HPLC (High Performance Liquid Chromatography) instrument is adopted for detection, and a chromatogram is obtained; comprising the following steps: step A, detecting the contents of polygala # imgabs0 # ketone III, 3, 6 '-dimustard acyl sucrose and beta-asarone in rhizoma acori graminei in polygala tenuifolia; step B, detecting the contents of ginsenoside Rg1, ginsenoside Re and ginsenoside Rb1 in the ginseng; and step C, detecting the content of tenuifolin in the polygala tenuifolia.

The invention relates to a preparation method and application of a carbon dot-based nano enzyme. The preparation method of the carbon dot-based nano-enzyme comprises the following steps: taking sucralose and B vitamins as raw materials, and preparing the carbon dot-based nano-enzyme through a one-pot hydrothermal method. The preparation method of the carbon dot-based nano-enzyme provided by the invention is simpler in catalytic condition and higher in safety. The carbon dot-based nano-enzyme prepared by the invention has the advantages of high oxidase-like activity, low drug resistance, high biocompatibility and the like, can inhibit multi-drug-resistant bacteria, and can be applied to the aspects of aquatic product preservation and the like.

The invention relates to the technical field of food processing, and in particular relates to a sparrow chensinensis Kangpu tea as well as a preparation method and application thereof, the preparation method comprises the following steps: extracting sparrow chensinensis and water according to a ratio of 1: (50-100) at 70-90 DEG C for 40-60 minutes, filtering, and adding cane sugar to obtain a fermentation substrate; the preparation method comprises the following steps: preparing seed liquid, namely activating casei paracasei, phytobacterium plantarum, acetobacter pasteurianus and kluyveromyces marxianus into seed liquid, inoculating the seed liquid into a substrate according to the inoculum size of 0.5-1.5%, fermenting for 5-10 days under the conditions that the temperature is 37 DEG C and the pressure is 0.03-0.05 MPa, and sterilizing (optionally drying) to obtain the parochetus ocellatus Kangpu tea. The preparation method of the parochetus ocellatus Kangpu tea is accurate and controllable in fermentation, safe and stable; the product retains the nutrition of the raw materials, the bioavailability of polyphenol after fermentation is improved, the antioxidant activity is enhanced, the flavor is soft, caffeine is avoided, and the product is suitable for a wide range of people and can be used for preparing antioxidant functional food.

The invention discloses a brassica rapa imago feed and a preparation method thereof, and belongs to the technical field of insect breeding. The Eye spot Brassica rapa adult feed comprises 11 to 15 parts of casein, 1 to 3 parts of Webster salt, 4 to 6 parts of cane sugar, 9 to 12 parts of cellulose powder, 0.2 to 0.4 part of L-cysteine, 0.2 to 0.3 part of choline chloride, 0.08 to 0.1 part of inositol, 0.325 to 0.4 part of composite vitamin, 2 to 3 parts of a nutritional ingredient ethanol solution, 12 to 14 parts of a nutritional ingredient aqueous solution, 1 to 2 parts of honey, 2 to 3 parts of agar powder, 0.03 to 0.04 part of cholesterol, 33 to 67 parts of apple jam, 0.3 to 4 parts of royal jelly and 80 to 120 parts of water. In addition, the invention also provides a preparation method of the feed for the Eye spot Brassica rapa imagoes. The feed for the Eye spot Brassica rapa adults can prolong the life of the adults and improve the egg laying amount at the same time.

The invention discloses a double-liquid magnesium phosphate early-strength high-strength grouting material and a preparation method thereof.The grouting material is composed of a liquid A and a liquid B. The liquid A is composed of powder A and water in parts by weight and comprises dead burned magnesia powder, a defoaming agent, steel slag powder, a retarder I and water, and the liquid B is composed of powder B and water in parts by weight and comprises powder B and water in parts by weight. Wherein the monopotassium phosphate, the superfine powder, the polymer rubber powder, the retarder II and the water have the advantages that the stirring time is shortened, the setting time is controllable, the flowability is good, the repair requirement can be met more quickly, the construction period is shortened, and the cane sugar and the borax are used as the retarders, so that the setting time can be controlled, and the early strength can be improved; surplus phosphate in a grouting material matrix is consumed by using the steel slag powder, so that some amorphous gel products can be generated, and the mechanical property is improved; the redispersible latex powder is utilized to form a polymer film in the slurry to wrap a hydration product, so that the water resistance is improved, and the synergistic modification effect is achieved.

The invention relates to the technical field of microorganisms, in particular to bifidobacterium bifidum BGLP1 capable of regulating sugar digestion and producing GLP-1 at high yield and application of the bifidobacterium bifidum BGLP1. The preservation number of the bifidobacterium bifidum BGLP1 is CGMCC (China General Microbiological Culture Collection Center) No.35718, and the bifidobacterium bifidum BGLP1 can be used for preparing the feed additive. The strain has the capability of inhibiting alpha-glucosidase and alpha-amylase; sTC-1 cells are stimulated to secrete GLP-1, and the blood glucose reducing pathway capacity of the intestinal tract is activated; the activity of pancreatic lipase is obviously inhibited, and the dietary fat absorption capability can be effectively reduced; redundant cane sugar is converted into exopolysaccharide, so that the probiotic function capability is improved; the capability of converting white fat into brown fat is promoted; macrophages are activated, and the body immune function is improved. In addition, the bifidobacterium bifidum BGLP1 also has relatively strong intestinal colonization ability, has good tolerance in artificial gastric juice and artificial intestinal juice, and can smoothly reach the intestinal tract of a human body.

The invention provides a preparation method of a trazodone hydrochloride sustained release tablet, and belongs to the technical field of medicine processing. The preparation method comprises the following steps: (1) mixing a trazodone hydrochloride raw material medicine, cane sugar, povidone and carnauba wax to obtain a mixture; (2) preparing the mixture into molten particles by adopting a hot-melt extrusion technology; and (3) cooling and sieving the molten particles, adding magnesium stearate, uniformly mixing, and tabletting to obtain the trazodone hydrochloride sustained-release tablet. The trazodone hydrochloride sustained release tablet comprises the following components in percentage by mass: 45%-55% of trazodone hydrochloride raw material medicine, 15%-35% of cane sugar, 5%-15% of povidone, 5%-15% of carnauba wax and 1%-5% of magnesium stearate. According to the invention, a hot melt extrusion technology is adopted, so that the raw materials can be highly dispersed within a short heating time, the loss of the raw materials is avoided, the production cost is reduced, and commercialized production is facilitated.

The invention discloses a preparation method of omasycine tosylate for injection, and belongs to the technical field of pharmaceutical preparations. The preparation method of the olmacycline tosylate for injection comprises the following steps: filtering a mixture solution containing the olmacycline tosylate, the cane sugar, the pH regulator and the water for injection, filling and sealing, and freeze-drying to obtain the olmacycline tosylate for injection. According to the preparation method, the problem that in the prior art, intermediate product liquid medicine is not completely dissolved is solved, the prepared freeze-dried product is free of the problems of atrophy, collapse, bottom sticking, layering and the like, the preparation method is simple, easy to operate and reliable, the obtained freeze-dried product is low in moisture content and impurity content, the stability is improved, and the product quality is guaranteed.

A powdery food containing a sucrose-containing plant with a sucrose content of 2.5 mass % or more in terms of dry mass, a dietary fiber content of 1 mass % or more in terms of dry mass, has a particle sizes d50 after ultrasonication of 1,000 μm or less and has an acetoin content of 1 ppb or more and 40,000 ppb or less, is provided. The powdery food easily controls the burnt odor derived from sucrose and extract the sweet flavor peculiar to sucrose in a food and drink containing a powder derived from a sucrose-containing plant.

The invention belongs to the technical field of agriculture, and particularly relates to a method for promoting growth and development of rice based on illumination and nitrogen. One of the purposes of the invention is to provide a method for promoting growth and development of rice based on illumination and nitrogen. The method comprises the following steps: providing cultivation conditions of illumination intensity of 600-800 [mu] mol.m <-2 >. S <-1 > and nitrogen concentration of 5.51-8.11 mM for rice in a tillering stage of the rice. By accurately applying a specific combination of illumination intensity and nitrogen concentration in the tillering stage of rice, efficient loading and long-distance transportation of photosynthetic products (especially cane sugar and the like) in phloem are promoted, and the photosynthetic products are guided to be more effectively and directionally distributed to developed library organs (such as fruits, grains or root systems); therefore, the transfer and circulation efficiency of carbon-nitrogen substances in plants is improved synergistically on the whole, the waste phenomenon of nitrogen redundancy or local lack and ineffective accumulation of photosynthetic products is reduced, and finally, an important physiological regulation basis is provided for remarkably improving the yield and quality of crops.

The invention discloses a preparation method of high-viscosity cationic starch, which belongs to the technical field of modified starch, and comprises the following steps: crosslinking epichlorohydrin, ball-milling and cationizing; the epoxy chloropropane crosslinking comprises the following steps: mixing starch, calcium hydroxide and deionized water, stirring at 40-50 DEG C, adding sodium stearoyl lactylate, stirring at 50-55 DEG C, naturally cooling to room temperature, adding sodium chloride and epoxy chloropropane, stirring, dropwise adding a potassium hydroxide aqueous solution, stirring, adjusting the pH value to 6, filtering, taking filter residues, washing and drying to obtain crosslinked starch; in the step of ball milling, calcium hydroxide, sucrose fatty acid ester SE-11 and deionized water are mixed and then subjected to ball milling, and a ball-milled material is obtained; the prepared high-viscosity cationic starch is high in paste liquid viscosity and cationic substitution degree, good in paste liquid viscosity stability, uniform in substitution degree and paste liquid viscosity, high in reaction efficiency in cationization and low in alkali consumption.

The invention discloses high-absorption type egg white peptide sports protein powder rich in branched chain amino acid and a preparation method thereof, and relates to the field of foods for special diets. The preparation method of the sports protein powder comprises the following step of mixing the egg white peptide containing the DKVVDVD sequence, the whey protein powder, the skim milk powder, the strawberry essence, the sucralose, the composite mineral substances and the composite vitamins step by step according to a specific sequence. Compared with commercially available products, the product disclosed by the invention has no significant difference in sensory evaluation, but the content of branched chain amino acid is increased by 64.42%, and the particle size and the PDI value are respectively reduced by 28.20% and 17.62%, so that the product has higher absorption efficiency. The product is simple and convenient in preparation process, is nutritional and delicious, can meet the nutritional requirements of sports crowds, remarkably improves the nutrient utilization degree, and achieves the functional goals of promoting muscle growth and relieving sports fatigue.

The invention discloses a double-bacterium fermented low-beany-flavor functional soybean milk formula and a preparation method thereof. According to the formula, the adding amount of cane sugar is 4.2% of the mass of a mixed solution. The inoculation amount of the compound lactic acid bacteria is 2.8% of the mass of the fermentation substrate. Wherein the compound lactic acid bacteria comprise lactobacillus plantarum JM065 and lactobacillus gasseri JM1, and the ratio of the lactobacillus plantarum JM065 to the lactobacillus gasseri JM1 is 1: 2 according to the mass ratio of the lactobacillus plantarum JM065 to the lactobacillus gasseri JM1. The preparation method comprises the following steps: selecting, blanching, soaking, grinding, homogenizing, sterilizing, cooling, fermenting and after-ripening. The fermentation temperature is 42 DEG C, and the fermentation time is 8 hours. The soybean milk prepared by fermenting the lactobacillus plantarum JM065 and the lactobacillus gasseri JM1 has the characteristics of oxidation resistance, mellow taste, smooth mouthfeel and pure, fragrant and long aftertaste.

To provide a method for suppressing an increase in acid value of a frying oil and fat composition.SOLUTION: A method for suppressing an increase in acid value of a frying oil and fat composition, the method comprising adding to an edible oil and fat at least one emulsifier selected from the group consisting of polyglycerin-condensed ricinoleic acid ester, polyglycerin fatty acid ester, sucrose fatty acid ester, and sorbitan fatty acid ester, wherein further addition of a conditioned oil enables further suppression of the increase in acid value.SELECTED DRAWING: None

The invention relates to the technical field of biology, in particular to application of brassinolide in increasing the yield of lettuce latex. According to the invention, brassinolide is adopted as an active component and acts on lettuce plants, so that the yield of lettuce latex can be remarkably increased, and meanwhile, the contents of sucrose and isopentenyl pyrophosphate in lettuce are further remarkably increased. Compared with indoleacetic acid, the brassinolide provided by the invention is more suitable for improving the gum production performance of the plant lettuce, and the brassinolide and the indoleacetic acid are high in adaptability, so that a more excellent technical effect is obtained. In the use process, the use method of brassinolide is simple, the use amount is small, the function of remarkably improving the yield of lettuce latex, sucrose and isopentenyl pyrophosphate can be achieved by adopting brassinolide with low concentration, the cost is low, the effect is good, no new toxic or side effect is caused to the environment, and the brassinolide is suitable for application and popularization.

The invention relates to the technical field of agriculture, in particular to a method for improving silage fermentation quality based on biochar regulation and control, which comprises the following steps: fermenting a silage raw material added with biochar and cane sugar in a closed environment, the addition amount of the biochar being not less than 2% of the fresh weight of the silage raw material; the addition amount of the sucrose is not less than 2% of the fresh weight of the silage raw material; the fermentation days are more than or equal to 30 days, the pH value of the silage is less than or equal to 4.35, and the total content of lactic acid, acetic acid, propionic acid and butyric acid in the silage is more than or equal to 7.99% of the dry weight of the silage. When the biochar and the cane sugar are used as additives to prepare the silage through fermentation, on one hand, the pH value can be balanced through the addition of the biochar, the situation that the pH value is rapidly reduced possibly due to independent use of the cane sugar is avoided, further production of lactic acid in the later period is inhibited, the acidification process is effectively buffered, and continuous and stable lactic acid generation is promoted; on the other hand, the problems of increase of nutrient substance loss, promotion of generation of byproducts such as acetic acid, reduction of generation of lactic acid and the like when the biochar is independently added are avoided.

The invention belongs to the technical field of biomedicine, and particularly relates to a paris polyphylla exosome, a preparation method thereof and application of the paris polyphylla exosome in treatment of psoriasis, in the method, fresh paris polyphylla rhizomes are cleaned and washed with a buffering agent, the washed paris polyphylla rhizomes and the buffering agent are mixed according to the mass ratio of 1: (1.5-2.5), after mixing, crushing and filtering are conducted, and the paris polyphylla exosome is obtained; the preparation method comprises the following steps: extracting paris polyphylla from paris polyphylla to obtain a paris polyphylla crude extract for later use, carrying out differential centrifugation on the paris polyphylla crude extract, taking supernate and concentrating to obtain an exosome crude extract, sequentially adding the exosome crude extract into cane sugar with the concentration of 15%, 30%, 45% and 60%, and carrying out cane sugar gradient purification to obtain the paris polyphylla exosome. The paris polyphylla exosome is in the shape of a cup-shaped circle and has a complete double-layer membrane structure, the protein concentration is 3.5-4.5 ug / ml, the particle size is 100-200 nm, and the paris polyphylla exosome is beneficial to improvement of psoriasis, is good in curative effect and fast in effect taking, and has high economical efficiency and safety.

The present invention discloses a zero-fat zero-sucrose whipping cream, which comprises, by mass percentage, 3-5% compound protein powder, 20-30% maltodextrin, 1-3% compound stabilizer, 1-3% dietary fiber powder, 0-0.3% acidity regulator, and water added to 100%. The above raw materials are fully mixed to obtain a mixed powder; water is slowly added to the powder and stirred until completely mixed; a blender is used to whip for 6-8 minutes until soft peaks and a semi-solid state appear to obtain zero-fat zero-sucrose whipping cream. The zero-fat zero-sucrose whipping cream of the present invention has the characteristics of low calories and zero fat, and solves the problem of product quality degradation caused by reducing fat and sugar content in the prior art. The product is beneficial to human health, is easy to operate, has low production cost, and has high production efficiency. It also has a short whipping time, good whipping rate and stability, excellent decorating ability, and satisfactory taste and flavor.

The invention relates to the technical field of biology, in particular to a method and application of fungus-enzyme synergistic fermentation of bagasse pith, and the method comprises the following steps: (1) adjusting the water content of the bagasse pith to 60-70%, and adjusting the pH to 4.0; (2) adding the following components according to dry matter mass: 3% of phanerochaete chrysosporium liquid with the concentration of 1.5 * 10 < 8 > CFU / ml, and uniformly mixing; 1% of sucrose; the cellulase liquid is 20000U / kg, and the cellulase liquid is prepared by dissolving crude enzyme obtained by centrifuging after trichoderma hedgehog is fermented to produce enzyme in a PBS (phosphate buffer solution); and (3) putting the mixture into a fermentation tank, and performing sealed low-oxygen fermentation for 30 days to obtain the bagasse pith feed. According to the bagasse pith feed obtained by the method, the nutritional value of the bagasse pith can be improved, the fermentation quality is improved, the digestion potential is improved, the storage time is prolonged, and high-quality feed application of the bagasse is realized.

The invention relates to an emulsifier composition for meat products as well as a preparation method and application of the emulsifier composition. The emulsifier composition disclosed by the invention is prepared from the following components in parts by weight: 5 to 10 parts of sodium caseinate, 0 to 5 parts of sucrose fatty acid ester, 10 to 15 parts of collagen, 5 to 10 parts of glutamine transaminase, 60 to 70 parts of maltodextrin, 0 to 5 parts of sodium pyrophosphate and 0 to 5 parts of trisodium phosphate. The invention relates to a meat product containing the emulsifier composition, wherein the amount of the emulsifier composition accounts for 0.6%-1% of the total weight of the meat product. According to the invention, the obvious compounding effect among the monomer emulsifier, collagen, phosphate and glutamine transaminase is fully utilized, the functional complementation principle of various raw materials is exerted, and the synergistic interaction effect is generated. On the basis of enhancing the taste of the meat product, the oil and water retention property is improved to a greater extent, so that the yield is improved, and the production cost is reduced.

The invention discloses a preparation method of honey kangpu tea based on pure bacterium synergistic fermentation, and relates to the field of tea preparation. Comprising the following steps: culturing strains, namely culturing koal fotamentosa, zygosaccharomyces bayer and lactobacillus plantarum; black tea is added into boiling water to be soaked, sterilization is performed after filtering, and acacia honey is added after cooling to be evenly mixed; fermenting, namely inoculating the fermentation substrate with the foal foal bacillus, the zygosaccharomyces bayer and the lactobacillus plantarum, sealing with gauze, and carrying out aerobic fermentation; sterilizing and filling: after fermenting and planting, immediately performing sterile filtration or clear liquid, and then filling after pasteurization. Fermentation can be completed in 14 days through synergistic metabolism of three bacteria, the fermentation efficiency is improved, the fermentation period is shortened, unique sweet and sour balance is formed through synergistic effect of acetic acid and lactic acid, meanwhile, pure bacteria are used for fermentation, infectious microbe pollution is avoided in the fermentation process, and harmful metabolites such as aflatoxin in the honey kangpu tea are avoided.

The invention relates to the technical field of oil-water separation, in particular to a renewable oil-water separation material as well as a preparation method and application thereof. According to the preparation method, a melamine foam material is soaked in a mixed solution composed of cane sugar, dopamine and a trihydroxymethyl aminomethane-hydrochloric acid buffer solution, and the renewable oil-water separation material is obtained; the renewable oil-water separation material can quickly and efficiently separate different types of oily wastewater such as kitchen oil, industrial oil and organic solvents, the separation efficiency can reach 99% or above, and the separation flux can reach 104-105 liters per square meter per hour. Moreover, the used renewable oil-water separation material can be repeatedly used after being fully soaked in an ethanol solution, and the separation flux and the separation efficiency are not obviously reduced. In addition, the renewable oil-water separation material has a wide oil-water separation effect and is suitable for industrial production.

The present invention provides an essence containing chlorella extract and a preparation method thereof. The chlorella extract process comprises the following steps: raw material pulverization; enzymatic hydrolysis with cellulase and trypsin; primary fermentation using a mixture of Bacillus natto and Bacillus pumilus; addition of bamboo leaf extract, corn steep liquor, and sucrose, followed by inoculation with Rhodotorula glutinosus for secondary fermentation to obtain the chlorella extract. The mixed fermentation of multiple strains exhibits a synergistic effect, resulting in greater enrichment of natural products during the fermentation process compared to single-strain fermentation. Furthermore, the present invention provides an essence containing chlorella extract, glycerin, sodium hyaluronate, honey, and water, which exhibits significant moisturizing, antioxidant, and soothing effects.

The invention relates to a preparation method and application of a corn straw beverage, belongs to the technical field of plant resource processing, and solves the technical problem of activity loss caused by easy oxidative degradation of flavonoid compounds in a corn straw water extract. According to the technical scheme, the method comprises the following steps: crushing corn straws, soaking in water, performing heat extraction for multiple times to obtain an extracting solution, performing rough filtration and centrifugation, and concentrating to obtain a water extracting solution; and mixing the water extract, sucralose, citric acid, potassium sorbate and purified water to prepare a beverage, sterilizing and filling. Flavonoid compounds are embedded through a potato starch nanoparticle and beta-cyclodextrin composite carrier, a sodium alginate-chitosan microcapsule double-layer coating and microcapsule jelly particle preparation technology is combined, a gel network is formed by compounding kappa-carrageenan and konjac glucomannan, and the embedding stability and release controllability of active ingredients are improved. The beverage prepared by the method has both herbal flavor and crisp and tender taste of jelly particles, effectively delays degradation of flavonoid compounds, and is suitable for being applied to development of functional plant beverages.

The invention relates to the field of freeze-drying protective agents, and particularly discloses a vacuum freeze-drying protective agent for lactobacillus plantarum LS-41. The vacuum freeze drying protective agent for the lactobacillus plantarum LS-41 comprises the following components: 15 parts of dried skim milk, 3 parts of cane sugar, 1 part of PBS dry powder, 6-10 parts of trehalose, 0.2-0.4 part of ascorbic acid, 0.06-0.10 part of sodium glutamate, 8-12 parts of sorbitol and 100 parts of ultrapure water. Through the synergistic effect of the trehalose, the ascorbic acid, the sodium glutamate, the sorbitol, the skimmed milk powder and the cane sugar, and improvement and reasonable matching of the category and the concentration of the protective agents, the damage of the lactobacillus plantarum LS-41 in the vacuum freeze-drying process can be reduced, and the freeze-drying survival rate of the lactobacillus plantarum LS-41 is increased.

The invention belongs to the technical field of gel. The invention provides high-strength starch sodium octenylsuccinate gel and a preparation method thereof.The preparation method comprises the steps that S1, corn and cassava starch are mixed according to the mass ratio of 1: (4.4-4.6) to obtain a mixture, and then the mixture and soft water are dispersed according to the mass ratio of 1: 1.1 to obtain starch milk; s2, adjusting the pH value of the starch milk to 9.0 by using a sodium hydroxide solution, then adding octenyl succinic anhydride at 25 DEG C, then adding sucrose ester and pectin, neutralizing the pH value to 4.5 by using an HC1 solution, and carrying out suction filtration, washing and crushing to obtain starch sodium octenyl succinate powder; and S3, gelatinizing the starch sodium octenylsuccinate powder, and storing the gelatinized starch sodium octenylsuccinate powder at low temperature to obtain the high-strength starch sodium octenylsuccinate gel. According to the invention, by reducing the ratio of corn starch to cassava starch, the viscosity of the prepared starch sodium octenylsuccinate is further improved while a lower gelatinization temperature is ensured.

The invention relates to the technical field of functional food processing, and discloses magnesium-rich gel soft sweets and a preparation method thereof. The jelly sweets comprise the following components in parts by weight: 3 to 15 weight percent of first gelling agent, 0.2 to 2 weight percent of second gelling agent, 20 to 50 weight percent of dietary fiber raw material, 10 to 40 weight percent of sugar alcohol raw material, 3 to 10 weight percent of acidity regulator, 0.3 to 1 weight percent of buffer salt, 0.4 to 2 weight percent of essence, 0.4 to 2 weight percent of pigment, 10 to 30 weight percent of mineral raw material and 0 to 0.5 weight percent of anti-sticking oil. The gel soft sweets are rich in magnesium element, and are suitable for people with magnesium deficiency, electrolyte supplementation after exercises and auxiliary conditioning of sleep disorders. The gel soft sweets are good in chewiness and coordinated in sour and sweet taste, sugar alcohol is partially replaced with low-GI dietary fibers, calorie intake is reduced, satiety is enhanced, intestinal health is supported, the taste is elastic, high-power sweeteners of sucralose and stevioside are not added, and the gel soft sweets are easily accepted by mass consumers.