429 results about "Maltose" patented technology

The invention provides a traditional Chinese medicine composition for treating or improving asthma, and relates to the technical field of traditional Chinese medicine pharmacy. The traditional Chinese medicine composition is prepared from the following traditional Chinese medicine raw materials: inula flower, tabasheer, Japanese ardisia herb, cymbopogon distans, ligusticum, pyrrosia lingua, pawpaw, yam rhizome, rhizoma atractylodis, walnut meat, maltose, citron and liquorice. The monarch, minister, assistant and guide in the traditional Chinese medicine composition make the best responsibility, the traditional Chinese medicine composition aims at the symptoms of phlegm-qi obstruction and adverse rising of lung qi of asthma, also has the effects of strengthening the spleen, tonifying the kidney, soothing the liver and the like to consolidate the root cause, has the effects of dispelling wind and ventilating the lung, eliminating phlegm and lowering adverse qi, tonifying the spleen and eliminating dampness, warming the kidney and absorbing qi, and regulating the liver and regulating qi, and has the effects of purgation and tonification and treatment of both symptoms and root causes. The traditional Chinese medicine composition can effectively inhibit airway inflammation reaction of asthma model mice and improve clinical symptoms of the asthma mice, and is remarkable in treatment effect. The traditional Chinese medicine composition disclosed by the invention has a relatively high total effective rate for treating asthma, and has more advantages in the aspects of relieving clinical symptoms of asthma patients and improving lung functions.

The invention relates to the technical field of bacterium enrichment nutrient solutions, in particular to a bacterium enrichment nutrient solution for fermentation and a preparation method of the bacterium enrichment nutrient solution. The culture medium is prepared from the following raw materials in parts by weight: maltodextrin, crystalline glucose, low-pigment yeast extract powder, refined soy peptone, dipotassium phosphate, monopotassium phosphate, magnesium sulfate heptahydrate, sodium chloride, phytic acid, L-ascorbic acid, manganese sulfate monohydrate, biotin, thiamine hydrochloride and choline chloride. Through a double-carbon-source structure, maltodextrin and crystalline glucose cooperate, metabolic oscillation is avoided, and the energy utilization rate is increased; the low-pigment yeast extract powder and the refined soy peptone are complementary, so that the rapid growth requirement of thalli is met; phytic acid is chelated with metal ions to prevent precipitation, L-ascorbic acid is used for resisting oxidation, and biotin and thiamine activate a coenzyme pathway to realize accurate regulation and control of a metabolic network.

The invention discloses an escherichia coli engineering bacterium for producing 5-ALA by an anaerobic fermentation method as well as a construction method and a fermentation method of the escherichia coli engineering bacterium. The engineering bacterium is constructed by taking escherichia coli (E. coli) ZX11 as a host and performing heterologous expression on 5-ALA synthetase (HemA) from rhodobacter capsulatus. In order to improve the soluble expression level of the HemA, the HemA is subjected to fusion expression with a maltose binding protein (MBP) tag. Furthermore, the engineering bacterium can also heterologously express a visual purple protein (PR) fused with the MBP tag. The construction method of the engineering bacteria comprises the following steps: sequentially cloning the MBP-HemA fusion gene and the PR gene to an expression vector and transferring into host bacteria. By utilizing the engineering bacteria provided by the invention, anaerobic fermentation can be carried out in a culture medium taking glucose as a carbon source, and 5-ALA can be efficiently synthesized. The invention provides an effective way for realizing green and energy-saving anaerobic biological manufacturing of 5-ALA.

Disclosed is a method for reducing the usage amount of edible fat and oil in a bakery product, the method comprising mixing at least one maltose alpha-amylase and edible fat and oil into dough, and baking same to prepare a bakery product. The usage amount of the edible fat and oil in the dough can be reduced by at least 10 wt % compared with not using the enzyme treatment; and the enzyme may also include cellulase and / or phospholipase. The method does not reduce or substantially reduce the quality of the bakery product, and allows same to have a shelf life of at least 4 days. Also involved is baked fat and oil prepared from the above-mentioned enzyme and edible fat and oil.

The present invention discloses a CBP lysine children growth milk powder and a preparation method thereof, and belongs to the technical field of milk powder, the CBP lysine children growth milk powder comprises the following components by mass: a wet process part: 575 parts of whole milk powder, 175 parts of dried skim milk, 175 parts of isomaltooligosacharide (type 50) powder, 30 parts of polydextrose, 28 parts of edible plant blend oil, 4 parts of milk mineral salt, and 13.7 parts of a compound children modified milk powder three-nutrition enhancer; cBP lysine is cooperated with bifidobacterium and seven traditional Chinese medicine extracts, DHA and ARA are accurately proportioned, the calcium absorption efficiency and the intestinal colonization capacity of probiotics are remarkably improved, a three-step mixing method is combined with a two-way shearing low-temperature technology, rapid and uniform mixing is achieved, the activity of the probiotics and the stability of DHA are reserved to the maximum extent, high uniformity of products is ensured, and the product quality is improved. The low-moisture wet-process base powder inhibits moisture absorption of traditional Chinese medicine components, nitrogen protection blocks oxidation in the whole process, the shelf life is prolonged, and the reconstituability is improved.

The invention provides an environment-friendly silicon wafer as well as a preparation method and application thereof, and belongs to the technical field of reactive sintering silicon carbide ceramics. The environment-friendly silicon wafer is prepared from the following raw materials in parts by mass: 100 parts of silicon powder, 5-10 parts of a binder, 8-15 parts of petroleum coke and water, and the binder is an environment-friendly binder and comprises one or more of corn starch, maltose, cane sugar and glucose. The environment-friendly adhesive is used for the silicon wafer, no unpleasant smell exists in the silicon wafer preparation and siliconizing sintering use process, the environment-friendly requirement can be met, and industrial production is facilitated; the use amount of the binder is limited, it can be guaranteed that in the sintering process of the reactive sintering silicon carbide ceramic, after a part of carbon content (solid content) is converted to be sintered, a blank still forms a round shape after silicon is dissolved out, the appearance is not deformed, and the problems that after the binder is sintered, the deformation is large, and the binder cannot be separated from the silicon carbide ceramic to be sintered are solved.

The invention belongs to the field of medicines, and discloses a preparation process of ferric carboxymaltose, which comprises the following steps: oxidizing maltodextrin, performing ultrafiltration concentration, dissolving in a ferric trichloride aqueous solution, and performing coordination, ultrafiltration and spray drying to obtain powdery ferric carboxymaltose. The process has the advantages of simple amplification, no need of solvent application, low raw material cost and manufacturing cost, uniform product molecular weight distribution and the like, the dissolution rate of the obtained product is obviously higher than that of a product obtained by a precipitation process, and technical support is provided for more efficient preparation production.

The invention belongs to the technical field of traditional Chinese medicines, mainly relates to a preparation method of herbal ointment, and particularly relates to a preparation method and application of herbal ointment for treating qi depression. The formula of the herbal paste comprises the following components in parts by weight: 70-80 parts of lily bulbs, 40-50 parts of lotus seeds, 70-80 parts of poria cocos, 40-50 parts of malt, 70-80 parts of wheat, 45-50 parts of cape jasmine fruits, 70-80 parts of rose flowers, 70-80 parts of dried orange peel, 40-50 parts of purple perilla, 30-40 parts of licorice roots, 10-15 parts of xylitol, 15-20 parts of fructo-oligosaccharide and 20-25 parts of isomaltooligosacharide. The lily bulbs, the lotus seeds, the poria cocos, the wheat and the malt are subjected to combined fermentation treatment through bifidobacterium animalis subsp. Lactis CICC-21715 and saccharomyces boulardii BR-288, and the fructus gardeniae is subjected to enzymolysis treatment. The herbal paste prepared by the invention has the effects of relieving depression and anxiety, eliminating nodules and cysts, promoting intestinal peristalsis and improving sleep.

The invention is applicable to the technical field of biology, and provides a method for rapidly extracting plant rhizome extracellular vesicles by disaccharide and compound enzyme. According to the method, an enzymolysis-disaccharide solution extraction coupling method is created for the first time to extract the plant extracellular vesicles, and the defect that an extraction method is single is overcome. According to the method, the conditions are mild, the primary property, the integrity and the biological activity of the vesicle structure are kept, the extraction purity is high, and the particle size distribution is uniform and concentrated in the range of 40-300 nm. Compared with PBS (Phosphate Buffer Solution) extraction treatment, the total protein extraction amounts of lactose, cane sugar and maltose solutions are respectively increased by 20.04% + / -4.50%, 35.00% + / -5.74% and 36.45% + / -2.68%. In addition, the'single ultracentrifugation 'purification process overcomes the problem of time consumption of traditional gradient centrifugation, and the time is shortened by more than 3h compared with that of a traditional extraction method. The method breaks through the technical bottleneck of large-scale production of the plant extracellular vesicles, and has great application and popularization values.

The invention belongs to the technical field of traditional Chinese medicines, and discloses a Qi-reinforcing and blood-nourishing ginseng essence active yuan cream and a preparation method thereof. The ginseng essence active yuan is prepared from the following raw materials in parts by weight: 8 to 12 parts of rhizoma polygonati, 80 to 100 parts of fructus lycii, 4 to 6 parts of ginseng, 80 to 100 parts of maca, 0.4 to 0.6 part of penis et testis cervi, 3 to 7 parts of radix polygonati officinalis, 80 to 100 parts of mulberry, 80 to 100 parts of black bean, 4 to 6 parts of poria cocos, 40 to 60 parts of rhizoma dioscoreae, 8 to 12 parts of lotus seed, 80 to 100 parts of fructus ziziphi jujubae, 8 to 12 parts of longan aril and 30 to 50 parts of isomaltooligosacharide. According to the ginseng essence active yuan cream, the fructus lycii, the rhizoma polygonati, the radix polygonati officinalis, the mulberries and the black beans are used for filling kidney yin, the maca, the penis et testis cervi and the ginseng are used for reinforcing primordial qi and yang, and the longan aril and the Chinese dates are used for replenishing blood, tonifying spleen and soothing nerves. Poria cocos permeates dampness and heat in the spleen and traits heart and kidney, so that tonifying and reducing are both considered, and nourishing is continued. Chinese yam and lotus seed stop diarrhea, invigorate spleen, nourish yin, tonify kidney and arrest seminal The isomaltooligosacharide can fuse and carry various medicines, harmonize the flavor of the medicines, invigorate the spleen, benefit the middle warmer, relax bowel and promote metabolism.

The invention discloses a pill for treating qi-blood deficiency and a preparation method thereof, and belongs to the technical field of Chinese patent medicine preparation. Comprising 80-90 parts of wall-broken ginseng rootlets, 140-160 parts of freeze-dried Chinese wolfberry fruits, 190-210 parts of fried Chinese yam powder, 110-130 parts of fermented Chinese date powder, 50-70 parts of donkey-hide gelatin beads, 80-100 parts of black sesame seed powder, 45-55 parts of maltitol, 15-25 parts of giant knotweed rhizomes, 10-14 parts of red peony roots and 0.5 part of a compound enzyme preparation. The medicine is small in packaging size, convenient to carry and low in cost; the traditional Chinese medicine composition has the advantages of scientific formula, wide application range, stable process and controllable quality, and embodies the traditional Chinese medicine theory advantages of simultaneous treatment of vital qi and pathogen and simultaneous regulation of qi and blood. Acute toxicity tests show that LD50 is larger than 20 g / kg, and the traditional Chinese medicine is free of liver and kidney dysfunction after being taken for a long time and suitable for long-term conditioning.

The application belongs to the technical field of medical preparations. The application provides a modified quantum dot Chlorella polyhedral composite material for radiotherapy sensitization, a preparation method and application. The preparation method comprises the following steps: preparing a doped tungsten-chromium gallate quantum dot with a chemical formula of Zn 0.98 Ga2O4:W 0.02 6+ ,Cr 0.02 3+ ; then, the doped tungsten-chromium gallate quantum dot is modified by amination, and then modified by a polysaccharide mixture composed of alpha-maltose, cellulose and sodium alginate; finally, the doped tungsten-chromium gallate quantum dot is co-incubated with Chlorella polyhedral to obtain the modified quantum dot Chlorella polyhedral composite material. The modified quantum dot can enter Chlorella polyhedral in a large amount, and the modified quantum dot in the material obtained by the application is not easy to overflow or fall off, and is easy to preserve, compared with the prior art. Meanwhile, the material obtained by the application has a very high killing effect on CT26 cells and A549 cells at a very low dose, and the cell apoptosis rates of the two kinds of cells are both more than 80%. Therefore, the application has a high industrial application prospect.

The utility model belongs to the technical field of sugar alcohol production equipment, and particularly relates to a pilot plant test combination device for sugar alcohol production. Comprising a pretreatment unit and a plurality of temporary storage modules, the pretreatment unit is connected with a refining unit through the temporary storage module, the refining unit is connected with a concentration unit through the temporary storage module, the concentration unit is connected with a purification unit or a finished product unit through the temporary storage module, and the purification unit is connected with the temporary storage module; the temporary storage module comprises an intermediate tank, the output end of the intermediate tank is connected with an intermediate pump through a pipeline, the input end of the intermediate tank and the output end of the intermediate pump are both connected with hoses and quick connectors installed on the hoses, and the temporary storage module is connected with all the units through the hoses and the quick connectors. According to the utility model, new raw material selection, new auxiliary material verification, process parameter adjustment, resin type selection and the like in the production process of sugar alcohols such as xylose, xylitol, erythritol, maltose and the like can be verified, and the risk caused by industrial production conversion can be remarkably reduced.

The invention discloses a single-cluster bergamot mooncake. The mooncake comprises a mooncake crust, stuffing wrapped by the mooncake crust and core stuffing wrapped by the stuffing. The mooncake crust comprises the following components in parts by mass: 10-15g of wheat flour; 1-2g of Dancong raw tea powder; 1-2g of milk butter oil; the stuffing is prepared from the following components in parts by mass: 20 to 40g of starch; 20 to 40g of malt syrup; 20 to 40g of whole milk powder; 20 to 40g of eggs; 20 to 40g of salted egg yolk; 20 to 40g of coconut milk; 20 to 40g of drinking water; and the stuffing comprises the following components in parts by mass: 5-12g of fingered citron paste.

This invention discloses a semi-solid candy similar to marshmallows, comprising a matrix component, a thickening and stabilizing system, a moisturizing and softening system, a flavor complex system, a nutritional fortification system, a functional auxiliary system, and a shaping and regulating system. This invention utilizes the combined action of the matrix component and the complex thickening and stabilizing system. Low-sugar matrices such as maltitol and erythritol are combined with gelatin, gum arabic, and compound colloids to form a three-dimensional network structure. Combined with a precise aeration process, the product possesses both the fluffy, airy feel of traditional marshmallows and the soft, delicate texture of semi-solid candies. It is soft and non-sticky in the mouth, leaves no residue after chewing, does not collapse or crumble, and is stable at room temperature. It is also resistant to softening and deformation at high temperatures, thus overcoming the shortcomings of existing products such as monotonous texture, easy deformation, and stickiness.

The invention provides a traditional Chinese medicine composition for treating or improving asthma, and relates to the technical field of traditional Chinese medicine pharmacy. The traditional Chinese medicine composition is prepared from the following traditional Chinese medicine raw materials: inula flower, tabasheer, Japanese ardisia herb, cymbopogon distans, ligusticum, pyrrosia lingua, pawpaw, yam rhizome, rhizoma atractylodis, walnut meat, maltose, citron and liquorice. The monarch, minister, assistant and guide in the traditional Chinese medicine composition make the best responsibility, the traditional Chinese medicine composition aims at the symptoms of phlegm-qi obstruction and adverse rising of lung qi of asthma, also has the effects of strengthening the spleen, tonifying the kidney, soothing the liver and the like to consolidate the root cause, has the effects of dispelling wind and ventilating the lung, eliminating phlegm and lowering adverse qi, tonifying the spleen and eliminating dampness, warming the kidney and absorbing qi, and regulating the liver and regulating qi, and has the effects of purgation and tonification and treatment of both symptoms and root causes. The traditional Chinese medicine composition can effectively inhibit airway inflammation reaction of asthma model mice and improve clinical symptoms of the asthma mice, and is remarkable in treatment effect. The traditional Chinese medicine composition disclosed by the invention has a relatively high total effective rate for treating asthma, and has more advantages in the aspects of relieving clinical symptoms of asthma patients and improving lung functions.

The invention discloses a composite nut polypeptide solid beverage and a preparation method thereof. The health-care food is prepared from the following components in parts by weight: 20 to 40 parts of walnuts, 15 to 30 parts of cashew nuts, 10 to 25 parts of almonds, 12 to 28 parts of almonds, 8 to 20 parts of hazelnuts, 0.3 to 0.8 part of compound protease, 0.05 to 0.15 part of beta-glucanase, 10 to 20 parts of isomaltooligosacharide, 5 to 15 parts of resistant dextrin, 8 to 18 parts of maltodextrin, 0.1 to 0.3 part of silicon dioxide, 0.05 to 0.15 part of vitamin C, 0.02 to 0.08 part of gamma-aminobutyric acid, 0.03 to 0.1 part of taurine and 2 to 5 parts of natural strawberry powder. And 0.05 to 0.15 part of natural vanilla essence. The invention discloses and provides a composite nut polypeptide solid beverage and a preparation method thereof, a composite enzymolysis technology is adopted, nut protein is hydrolyzed into small-molecule polypeptides with the average molecular weight lower than 1000Da, and the polypeptides have high biological activity and bioavailability.

The invention belongs to the technical field of traditional Chinese medicine compound preparations, and particularly relates to a qi-regulating, phlegm-reducing and nerve-calming paste, a preparation method thereof and application of the paste in preparation of a medicine for treating Parkinson's disease combined with rapid eye movement sleep behavior disorder. The paste is prepared from the following raw materials in parts by weight: 9-30 parts of semen ziziphi spinosae, 15-30 parts of Chinese yam, 10-15 parts of poria with hostwood, 9-30 parts of semen coicis, 3-10 parts of pericarpium citri reticulatae, 3-10 parts of fingered citron, 10-20 parts of sesame, 10-20 parts of rock candy and 3-5 parts of maltose. By nourishing the heart and strengthening the spleen to consolidate the root, regulating qi and reducing phlegm to relieve stagnation and tranquilizing and sedating the physique to return to the soul, the three methods are combined to achieve the purposes of tonifying without stagnation, eliminating without injury, recovering the heart and the spleen, smoothing phlegm and qi and self-hiding the soul.

The invention relates to a slow-release phosphorus removal agent as well as a preparation method and application thereof, in particular to a slow-release phosphorus removal agent for phosphorus pollution of a low-temperature water body as well as a preparation method and application thereof. The slow-release phosphorus removal agent comprises the following components in parts by weight: 1500 parts of potato starch, 160 parts of sodium citrate, 100 parts of ammonium sulfate, 20 parts of sodium chloride, 60 parts of potassium chloride, 10 parts of magnesium sulfate, 10 parts of calcium chloride and 1 part of maltose, wherein the weight ratio of the maltose to the pure water is 1: 20000. The preparation method comprises the following steps: 1, preparing the potato starch-based slow-release medicament; 2, forming and purifying starch microspheres; and step 3, preparing a sustained-release medicament finished product. The method has the beneficial effects that low-temperature water body phosphorus removal flora is efficiently activated, and the phosphate removal efficiency is remarkably improved; the slow-release characteristic meets the low-temperature treatment requirement, and long-acting stable phosphorus control is achieved; and the method is environment-friendly, excellent in economical efficiency and suitable for large-scale application.

The invention relates to a carbon-water composition for hydration of human bodies of sports people, a beverage containing the carbon-water composition and application of the beverage. The composition is prepared from the following active ingredients in parts by weight: 4 to 8 parts of trehalose, 0.1 to 1 part of glucose, 0.1 to 1 part of crystalline fructose, 0.1 to 1 part of maltooligosaccharide, 0.04 to 0.055 part of sodium (in terms of sodium ion content) and 0.015 to 0.025 part of potassium (in terms of potassium ion content). The carbon-water composition is combined with sodium and potassium, so that rapid absorption of water by horse race sports people can be promoted, the carbon-water composition has optimal human hydration, the human dehydration risk of the sports people is reduced to the greatest extent, and the exercise endurance of running people is improved.

Intumescent composition comprising an acid donor (A), a carbon donor (B), a binder polymer (C) and a blowing agent (D). The acid donor (A) is selected from the group consisting of ammonium polyphosphate, ammonium dihydrogen phosphate, ethylenediamine phosphate, ammonium pentaborate, guanylurea phosphate, diguanidine phosphate and mixtures thereof. The carbon donor (B) is selected from the group consisting of glucose, arabinose and other monosaccharides, lactose, maltose and other disaccharides, starch, cellulose, dextrin and other polysaccharides, sorbitol, erythritol, pentaerythritol, dipentaerythritol, mannitol and other polyhydric alcohols and mixtures thereof. The blowing agent is provided in the form of microsphere particles comprising a thermoplastic polymer shell encapsulating a propellant, which microsphere particles are expandable microspheres.

The invention relates to the technical field of probiotic preparations, in particular to a composite prebiotic embedded lactobacillus rhamnosus microcapsule as well as a preparation method and application thereof. The preparation method of the composite prebiotics embedded lactobacillus rhamnosus microcapsule comprises the following steps: (1) stirring and mixing isomaltooligosacharide and galactomannan in water, then adding sodium alginate, and stirring and mixing to obtain a mixed solution; (2) mixing the mixed solution with a bacterium suspension of lactobacillus rhamnosus to obtain a compound bacterium solution; and (3) injecting the compound bacteria liquid into the curing liquid to obtain gel beads, and then standing to obtain the gel beads. According to the microcapsule provided by the invention, three encapsulating materials are adopted to achieve a synergistic effect, so that the encapsulating efficiency of the microcapsule can be effectively improved, and meanwhile, the structural stability of the microcapsule is improved. Experiments prove that the microcapsule can effectively improve the survival rate of the probiotics in gastrointestinal tracts, more accurately control release of the probiotics and provide technical support for development of probiotic functional products.

The purpose of the present invention is to provide a chocolate for simultaneous baking with a moisture-containing bread raw material or a baked confectionery raw material, which has a crisp and hard texture and a good chocolate flavor even when baked in contact with a moisture-containing raw material such as a baked confectionery raw material or a bread raw material. The chocolate for baking simultaneously with a bread raw material or a baked confectionery raw material containing moisture contains sucrose and / or glucose in a predetermined amount, and contains at least one component selected from the group consisting of isomaltulose, trehalose, and maltitol in a specific ratio. The chocolate for baking simultaneously with the bread raw material or the baked confectionery raw material containing moisture contains at least one component selected from the group consisting of isomaltulose, trehalose, and maltitol.

The invention provides diglyceride goat milk powder. The diglyceride goat milk powder is prepared from the following components in parts by weight: 700 to 800 parts of raw goat milk, 20 to 50 parts of safflower seed diester oil, 100 to 200 parts of isomaltooligosacharide, 1 to 3 parts of compound vitamins, 0.1 to 0.5 part of compound probiotics, 80 to 120 parts of whey protein isolate and 25 to 35 parts of glucan. According to the invention, high-purity safflower seed diester oil is used as a core raw material, and an innovative solution is provided for the functional goat milk powder market. By adopting a unique process of combining enzymolysis pretreatment and composite embedding, the bioavailability of functional components is remarkably improved on the basis of ensuring excellent reconstituability and storage stability of the product. The product has the dual effects of metabolic regulation and intestinal health at the same time, functions are enhanced while the natural nutritional value of the goat milk is reserved, and a new technical path is provided for development of functional dairy products.

The invention discloses a refreshing pill and a preparation method thereof, and particularly relates to the technical field of refreshing products. The refreshing pill comprises an outer coating and an inner core, the outer coating comprises 28% of sorbitol, 12% of xylitol, 20% of gum base, 10% of maltitol, 1% of edible flavors and fragrances, 1% of glycerin, 2% of D-mannitol, 5% of Arabic gum, 7% of sucralose, 2% of phospholipid, 2% of palm wax and 2% of shellac, and the inner core is hard edible particles. The inner core is composed of 4% of a refreshing substance and 4% of cane sugar and is used for refreshing people. According to the refreshing pill and the preparation method thereof, through combination of natural components, the refreshing effect is achieved, and meanwhile potential adverse effects on the body are reduced.

The present invention belongs to the field of biotechnology and specifically relates to mutants of glucosyltransferases and their applications. The mutants of the glucosyltransferases are obtained by combining the amino acid sequence of the glucosyltransferase shown in SEQ ID NO.1 with only one or more of the following mutations: Q60S, Q60A, Q60M, Y452I, Y452V, Y452R, R455K, R455I, R455V, and R455H. Compared to the wild-type, the glucosyltransferase mutants obtained by the present invention have significantly improved catalytic activity and can catalyze maltose to produce maltooligosaccharides. They can be used in the preparation of modified starch to increase the content of slowly digestible starch and resistant starch. Therefore, the present invention has high application value.

The invention belongs to the technical field of biological medicines, and particularly discloses an anti-fatigue and joint protection composition for sports people, which comprises the following components in percentage by mass: 10-25% of citrus bioflavonoid, 5-15% of taurine, 15-30% of eggshell membrane powder, 2-8% of curcumin compound, 1-5% of citric acid and the balance of maltooligosaccharide. Under the synergistic interaction of the citrus bioflavonoid, the taurine, the eggshell membrane powder and the curcumin compound, the composition with excellent anti-fatigue and joint protection effects is obtained.

The invention relates to the technical field of food processing, in particular to a low-sugar high-dietary-fiber chocolate pie and a preparation method thereof. The chocolate pie comprises a pie blank, a sandwich and a chocolate coating, raw materials of the pie blank comprise isomaltooligosacharide, raw materials of the sandwich comprise isomaltooligosacharide and trehalose, and raw materials of the chocolate coating comprise maltitol. By using the components, a natural low-sugar system without cane sugar and artificial sweeteners in the whole process is realized; the composite dietary fiber system of the isomaltooligosacharide, the polydextrose and the wheat fiber can meet the requirement of high dietary fiber, considers intestinal health, weight management and sweet taste experience, and realizes unification of health and taste; the product also meets the requirement of zero trans fat; in the preparation process, the cake blank can keep the taste and avoid moisture regain, and a stable and difficult-to-break solid foundation is provided for adding the sandwich and coating the chocolate.

The invention discloses a preparation and processing method of coconut-based metagen coffee, and belongs to the field of coffee processing. Coconut water is fermented by lactobacillus plantarum HNU531, a drying aid beta-cyclodextrin is added, and freeze drying is performed to prepare the coconut-based metagen, and the coconut-based metagen has good solubility. By additionally adding the coconut-based metagen into the instant coffee, the contents of gallic acid, isomaltose, trehalose and the like which are beneficial to a human body in the coffee can be increased. The sour taste and bitter taste of the coffee can be reduced, and the quality of the coffee is improved.

The invention discloses a stenotrophomonas sp. A322 strain and an application of the stenotrophomonas sp. A322 strain in synthesis of acarbose. The stenotrophomonas sp. A322 is preserved in the China Center for Type Culture Collection, and the preservation number of the stenotrophomonas sp. A322 is CCTCC (China Center for Type Culture Collection) NO: M 2025917. The stenotrophomonas sp. A322 can be used for synthesizing acarbose by using maltose and glucose as carbon sources, and the acarbose can be synthesized by using the stenotrophomonas sp. The stenotrophomonas sp. A322 is subjected to fermentation culture in a 100 mL shake flask fermentation system for 1 to 7 days, and the acarbose yield is 0.4 to 4 g / L. The high performance liquid chromatography retention time and the nuclear magnetic resonance carbon spectrum chemical shift of the acarbose obtained by fermentation, separation and purification of the Stenotrophomonas sp. A322 are consistent with those of a standard substance, and the high performance liquid chromatography retention time and the nuclear magnetic resonance carbon spectrum chemical shift of the acarbose obtained by fermentation, separation and purification of the Stenotrophomonas sp. A322 are consistent with those of the standard substance. Activity detection shows that the separated and purified acarbose sample has alpha-amylase inhibitory activity.