831 results about "Maltose" patented technology

The invention discloses cheese ice cream capable of being frozen and preserved and a preparation method thereof, and the preparation method comprises the following steps: filtering raw milk, standardizing the milk, sterilizing, fermenting and removing whey to obtain cheese curd; placing the cheese curd in a steam engine for treatment to obtain a pretreated cheese material; preparing a mixed material from the pretreated cheese material, milk powder, cane sugar, glucose powder, malt syrup, a compound stabilizer, water, cream cheese, condensed milk, iced yolk and cream; and performing sterilization, ultrasonic homogenization and aging on the mixture, and performing freezing treatment under the condition that an alternating static magnetic field and an alternating electric field are alternated during stirring and air inflation, thereby obtaining the product. By adding the compound stabilizer, the cheese ice cream is more stable in structure and easy to maintain taste; ice crystals are fine and uniform in texture under the combined action of the alternating magnetic field and the electric field, so that the soft and glutinous feeling and aftertaste effect of the ice cream are improved.

The invention discloses preparation of a monatomic graphene type photo-thermal catalyst and application of the monatomic graphene type photo-thermal catalyst in catalyzing aldose to produce ketose, and the preparation comprises the following steps: loading a monatomic precursor (X) on a graphene type carbon material (GT) by adopting a solution impregnation method, further reducing the monatomic precursor into a corresponding monatomic (Y) by adopting a continuous oxidation-reduction method, the monatomic graphene type photo-thermal catalyst is obtained, and the monatomic graphene type photo-thermal catalyst is expressed as Ysg / GT. The catalyst is used for catalyzing other different aldoses (maltose, glyceraldehyde, erythritol and xylose) to produce corresponding ketose, the catalyst shows good catalytic activity and photo-thermal performance, and the ketose yield is larger than 50%. Finally, in the reusability research of the catalyst, the catalyst is found to have good activity and structural stability, the chemical equilibrium limit of the reversible reaction is broken through, the reaction rate is increased, and the catalyst can help to develop an efficient and green catalyst to open up a new way for the reversible reaction process.

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 boiling, in particular to an ancient-method maltose mixed boiling process which comprises the following steps: soaking barley, draining water, and placing in a shade place to obtain germinated barley; after the sorghum is soaked, putting the sorghum into a steaming drawer, and uniformly steaming to obtain a steamed raw material; mincing malt of germinated barley, uniformly mixing with the cooking raw materials, and fermenting in a preset fermentation environment to obtain fermentation liquid; filtering to obtain wort, and concentrating the wort with soft fire to obtain concentrated wort; obtaining an optimal boiling condition according to an index triangulation algorithm, and mixing and boiling the concentrated wort to obtain maltose; and the maltose is naturally cooled and solidified, and cutting is performed after the maltose is completely cooled. By optimizing the boiling conditions, the production cycle is remarkably shortened, the production efficiency is improved, unnecessary energy consumption and raw material waste are reduced, the production cost is reduced, and fluctuation in the production process can be reduced through accurate boiling condition control.

The invention provides an alpha-glucosidase mutant and application thereof in synthesis of alpha-arbutin, and the alpha-glucosidase mutant comprises the following steps: maltose and hydroquinone are taken as substrates, the recombinant bacteria are taken as a catalyst, catalytic reaction is carried out under a heating condition, and the alpha-arbutin is obtained. According to the synthesis method, maltose and hydroquinone are used as reaction substrates, and alpha-arbutin is generated through whole-cell catalysis; meanwhile, the sequence of the alpha-glucosidase mutant is integrated onto a pRSEDuet-1 expression vector and transferred into escherichia coli BL21 (DE3) for expression, a reaction system of recombinant bacteria is optimized, the optimal catalytic condition is determined, the yield of alpha-arbutin under the optimal condition is 24.8 g / L, the yield can reach 95.6% and is improved by 1.2 times compared with that of an original strain, and the alpha-glucosidase mutant has a good application prospect.

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 relates to a traditional Chinese medicine for treating children autism, which can effectively solve the medication problems of good curative effect and convenience for treating children autism. The preparation method comprises the following steps: disinfecting and sterilizing radix bupleuri, radix paeoniae alba, fructus aurantii, rhizoma nardostachyos, rhizoma atractylodis macrocephalae, poria cocos, codonopsis pilosula, cassia twig, rhizoma acori graminei, cistanche, rhizoma alismatis, peach kernel, safflower, scutellaria baicalensis, pinellia ternate, honey-fried licorice root, rock candy and maltose, soaking, boiling with strong fire, decocting with slow fire, filtering, heating to prepare a traditional Chinese medicine concentrated solution, adding rock candy and maltose, decocting into thick paste, pouring into a mold, shaping at room temperature to form granules, and packaging. The traditional Chinese medicine composition is rich in raw materials, easy to operate in preparation method and scientific and reasonable in compatibility according to the primary and secondary relationship of monarch, minister, assistant and guide, has the effects of soothing the liver, strengthening the spleen, tonifying the kidney, replenishing essence, inducing resuscitation and promoting intelligence, is effectively used for treating autism of children, and has huge economic and social benefits.

The invention discloses application of a microelement complex in a feed additive, which comprises the following steps: mixing fresh kelp and water with the same mass as the fresh kelp, grinding and pulping to obtain kelp slurry, then adding compound enzyme into the kelp slurry, stirring and mixing uniformly, continuously adding boric acid and ammonium molybdate tetrahydrate under a magnetic field condition, stirring and mixing uniformly, and carrying out enzymolysis and chelation under an ultrasonic condition; sequentially adding zinc sulfate heptahydrate, ferrous sulfate heptahydrate, copper sulfate pentahydrate, cobaltous sulfate heptahydrate and manganese sulfate tetrahydrate while stirring, carrying out chelation reaction under a magnetic field condition, and centrifuging to take supernatant, so as to obtain a seaweed chelating solution; then adding maltose into the seaweed chelating liquid, uniformly stirring and mixing, continuously adding sodium selenite, and carrying out chelation reaction under the condition of a high-voltage pulsed electric field; and finally, continuously adding a beta-calcium polymalate aqueous solution under a magnetic field condition, carrying out ultrasonic oscillation treatment, and carrying out spray drying to obtain a complex of trace elements. The obtained complex of the trace elements can be used for preparing a feed additive, raw material sources are safe, and the complex has an obvious promoting effect on animal growth.

The invention relates to the technical field of candies, in particular to a sugar-free healthy candy and a preparation method thereof. The candies are prepared from maltitol, sorbitol, honey, an acidulant, xylitol and a fermentation compound. The fermentation compound in the candy has an excellent effect of removing free radicals of a human body, and the candy is endowed with excellent effects of resisting oxidation and resisting body oxidation; meanwhile, the raw materials of the candy do not contain sugar which is not beneficial to human health, so that the candy belongs to sugar-free healthy candies and has a relatively good eating effect.

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.

The invention provides a probe for detecting bacteria in air as well as a preparation method and application of the probe. The probe comprises Au-Fe3O4 nanoparticles and a recognition medium combined on the surfaces of the Au-Fe3O4 nanoparticles, and the recognition medium comprises at least one of a mixture of 5 (6)-carboxyl fluorescein and 3-(aminomethyl) phenylboronic acid hydrochloride and a product obtained by taking the 5 (6)-carboxyl fluorescein and the 3-(aminomethyl) phenylboronic acid hydrochloride as reactants. When the probe is used, air is sampled, maltose is added for incubation, a solution possibly containing bacteria after incubation is taken, then the obtained solution is mixed with the probe, and the content of the bacteria in the air can be correspondingly obtained through a fluorescence signal shown by the probe. The content of bacteria in the air can be effectively obtained through the probe. Meanwhile, the probe is simple to prepare and convenient to use, and is favorable for promoting the development of a technology for detecting bacteria in air.

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 invention provides a dietary fiber anti-obesity and internal fat-reducing composition and a preparation method and application thereof, and the dietary fiber anti-obesity and internal fat-reducing composition comprises the following components in percentage by mass: a metabolic regulation formula which comprises 0.8-1.2% of mulberry leaf extract, 0.3-0.5% of potato extract, 0.2-0.4% of gamma-aminobutyric acid microcapsules and 4.0-6.0% of isomaltooligosacharide; the water management formula comprises 0.5 to 1.0 percent of opuntia ficus-indica powder and 0.2 to 0.4 percent of fructus gardeniae powder; the auxiliary regulation formula comprises the following components in percentage by weight: 2.0 to 4.0 percent of fructo-oligosaccharide, 0.05 to 0.15 percent of sucralose, 0.10 to 0.30 percent of xanthan gum and 0.05 to 0.15 percent of sodium citrate; and the nutrition fortification formula comprises 0.1-0.3% of taurine and 0.5-1.0% of a compound nutrition fortifier, and the compound nutrition fortifier contains vitamin B6 / B12, magnesium, iron and zinc. By constructing a fiber barrier-enzymolysis network-targeted metabolism three-in-one system, accurate reduction and control of visceral fat are achieved, fat oxidation combustion can be promoted, fat decomposition can be accelerated, fat accumulation can be reduced, and the method can be used for preparation of liquid beverages, preparation of powdery electuary and preparation of far infrared bagged powder solid beverages and has good application prospects. And the application scenarios are greatly increased.

The invention relates to the technical field of chiffon cake processing, in particular to a high-moisture low-GI black highland barley chiffon cake and a making method thereof.The chiffon cake comprises, by weight, 50 parts of egg white, 18 parts of sugar substitute, 0.4 part of tartar powder, 6 parts of rice oil, 0.3 part of edible salt, 50 parts of water, 25 parts of yolk and 10.5 parts of black highland barley cake premixed flour. The sugar substitutes comprise 90-95 parts by weight of maltitol and 5-10 parts by weight of stevioside, and the black highland barley cake premixed flour comprises 80-85 parts by weight of black highland barley flour, 20-25 parts by weight of pre-gelatinized hydroxypropyl distarch phosphate, 0-5 parts by weight of modified pectin and 0-5 parts by weight of xanthan gum. The content of carbohydrates is reduced, the addition of sugar molecules is reduced, sugar and starch form a package, absorption is blocked, the taste and quality of the made chiffon cake are not changed, and meanwhile the low GI or low GL level can be achieved.

The invention relates to the technical field of medicine preparation, in particular to a preparation method of ferric carboxymaltose. The preparation method comprises the following steps: by taking first maltodextrin and second maltodextrin as raw materials, oxidizing to generate carboxyl maltodextrin; complexing the carboxyl maltodextrin and ferric trichloride to prepare a carboxyl maltodextrin iron complex; and finally, curing and refining the carboxyl maltose iron complex to obtain the carboxyl maltose iron. Wherein the DE value of the first maltodextrin is 10 to 14; the DE value of the second maltodextrin is 16 to 20. According to the invention, two kinds of maltodextrin with specific DE values are used as raw materials, so that the ferric carboxymaltose can keep a relatively small dispersion coefficient, and the molecular weight is accurate and controllable; meanwhile, the source of the raw materials is widened, and the raw materials are not limited to a certain specific DE value any more.

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 present invention provides a compound feed for freshwater fish and a preparation method thereof, comprising the following raw materials in parts by weight: 39-44 parts of corn protein powder, 22-34 parts of cottonseed protein powder, 5.4-9.2 parts of black soldier fly larva powder, 11-23 parts of fish oil, 20-30 parts of Schizochytrium powder, 7.5-12.4 parts of soy lecithin powder, 4-10 parts of maltitol, 8-12 parts of sodium butyrate, 8-15 parts of Chinese herbal medicine liquid, 0.2-0.8 parts of compound fermenting agent. Through steps such as raw material mixing, Chinese herbal medicine liquid fermentation, homogenization, puffing and spray drying in sequence, the feed quality control is carried out, so that the compound feed has a relatively high absorption rate and palatability, ensures the intake of the components of the Chinese herbal medicine fermentation liquid, significantly improves the survival rate and growth rate of freshwater fish, and has remarkable economic benefits.

The invention relates to the technical field of soft sweets, in particular to iron-rich nutritional soft sweets for improving iron-deficiency anemia and a preparation method of the iron-rich nutritional soft sweets. The iron-rich nutritional soft sweets capable of improving iron-deficiency anemia are prepared from the following raw materials in parts by weight: 12 to 18 parts of ferric pyrophosphate, 1.5 to 5 parts of vitamin C, 65 to 83 parts of gel, 3.5 to 7 parts of stevioside, 105 to 170 parts of white granulated sugar, 40 to 65 parts of maltitol, 20 to 50 parts of isomaltooligosacharide, 1 to 1.5 parts of beta-cyclodextrin, 30 to 50 parts of acidulant, 100 to 160 parts of fruit juice and 0.01 to 0.05 part of maltol. The prepared soft sweets are good in taste, proper in sweetness, relatively good in viscosity, good in chewiness and stable in quality, and iron-deficiency anemia can be effectively improved.

The invention discloses a production method for reducing hazardous substances of coarse cereal walnut cakes, and belongs to the technical field of food processing. The method for reducing the harmful substances in the coarse cereal walnut cake comprises the following steps: mixing lard oil, ghee and palm oil, and performing whipping; then adding egg liquid and xanthan gum, and continuing to whip; adding maltitol, baking soda and smelly powder, and then whipping; then adding the coarse cereal powder, the peanut powder and the soybean protein isolate, and uniformly stirring and mixing; and then dividing the dough into small dough to prepare walnut cakes, and putting the walnut cakes in a blast furnace at 100-140 DEG C for 8-10 minutes and then at 180 DEG C for 2-5 minutes to obtain the walnut cakes. According to the method, the quality and flavor of the coarse cereal walnut cake cannot be affected, the content of harmful substances such as 5-HMF, acrylamide and malondialdehyde in the coarse cereal walnut cake can be effectively reduced, and the method is simple in process step and suitable for industrial popularization.

The invention discloses a sugar-free cake and a making method thereof, and relates to the field of food processing. The sugar-free cake comprises the following raw materials in parts by weight: 45-55 parts of egg liquid; 12 to 15 parts of wheat flour; 9.5 to 10.5 parts of trehalose; 4 to 6 parts of maltitol; 4 to 6 parts of maltooligosaccharide; 2.5 to 3.5 parts of an emulsifier; 0.4 to 0.6 part of a swelling agent; 8 to 12 parts of oil; wherein the total amount of glucose, the total amount of sucrose, the total amount of fructose, the total amount of maltose and the total amount of lactose contained in the sugar-free cake are respectively less than 0.2 g / 100g. According to the preparation method, the trehalose, the maltitol, the maltooligosaccharide, the emulsifier and the bulking agent are matched, so that the sugar-free cake which is moderate in sweetness, good in moisture retention and bulkiness and soft in taste can be obtained.

The present invention discloses a glutinous rice flour grinding process for ancient method maltose production, and relates to the technical field of grinding, and the glutinous rice flour grinding process comprises the following steps: taking a proper amount of glutinous rice, putting into a cleaning part, removing impurities in the glutinous rice through multiple times of cleaning, discharging a part of rice washing water after the last time of cleaning until the remaining water just immerses the glutinous rice, and standing and soaking; draining and absorbing moisture on the surface of the glutinous rice, and putting the glutinous rice into a freezing part for quick-freezing; soaking the glutinous rice again and intermittently shaking; putting the glutinous rice into the freezing part again; unfreezing the glutinous rice, and drying the glutinous rice until surface moisture is removed; grinding the glutinous rice in a grinding part to obtain the glutinous rice flour. Sticky rice absorbs water and is subjected to quick-freezing treatment, so that slender cracks exist on the surface, free water in the sticky rice grains forms ice crystals to extrude internal structures of the sticky rice grains due to the fact that the sticky rice grains which are soaked and absorb water are subjected to the low-temperature effect in the freezing process, and after the sticky rice grains are dried, the surface moisture loss of the sticky rice grains is faster, the internal loss is slow, and cracks and cracks are generated.

The invention discloses a deep eutectic solvent for extracting lotus leaf polyphenol and a lotus leaf polyphenol extraction method. The deep eutectic solvent comprises a hydrogen bond acceptor and a hydrogen bond donor, the hydrogen bond receptor comprises at least one of choline chloride, betaine and L-proline; the hydrogen bond donor comprises at least one of lactic acid, maltose, D-glucose, glycerol and urea. The deep eutectic solvent for extracting the lotus leaf polyphenol has the advantages of high lotus leaf polyphenol extraction efficiency, environment friendliness, high safety and the like. The method for extracting the lotus leaf polyphenol has the advantages of high lotus leaf polyphenol extraction efficiency, less degradation, short extraction time, small environmental influence, high application value and the like.

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 discloses a preparation method of ampelopsis grossedentata flavored beer, and relates to the technical field of flavored beer preparation, and the preparation method comprises the following steps: selecting high-quality ampelopsis grossedentata leaves, cleaning, and dehydrating; carrying out superfine grinding on the dried ampelopsis grossedentata leaves to prepare fine ampelopsis grossedentata powder; according to a traditional beer brewing process, maltose saccharification and fermentation steps are completed, and a basic beer stock solution is obtained; after the beer stock solution is cooled to a proper temperature, adding ampelopsis grossedentata powder; according to the preparation method of the ampelopsis grossedentata flavor beer, the ampelopsis grossedentata is subjected to superfine grinding, so that the contact surface area of the ampelopsis grossedentata and the beer stock solution is greatly increased, the dissolution of flavor substances is promoted, the uniform distribution of the ampelopsis grossedentata flavor in the beer is ensured, and the problem that the bitter taste is too thick possibly caused by a traditional soaking method is avoided. In addition, the reasonable addition proportion ensures that the flavor of the ampelopsis grossedentata does not cover the taste of the beer, the ampelopsis grossedentata and the beer complement each other, and brand-new drinking experience is provided for consumers.

The invention belongs to the technical field of sugar pulling, and discloses an automatic maltose pulling machine which comprises a rotating roller and further comprises a station table arranged on a workbench. The linkage device is arranged on the station table; the fixed roller is arranged on the station table and is in driving connection with the linkage device; wherein the linkage device comprises a sliding rail fixedly installed on the station table, a fixed sliding block fixedly installed on the sliding rail and a movable sliding block assembled on the sliding rail in a sliding mode, a parallelogram connecting rod mechanism is formed between the fixed sliding block and the movable sliding block through a connecting rod, and the movable sliding block is fixedly connected with a pushing roller used for pushing candies through a threaded rod; and the push roller is positioned in a gap between the rotating roller and the fixed roller when the rotating roller and the fixed roller are horizontal and close. The pushing roller is pushed to the position between the rotating roller and the fixed roller through the linkage device, and maltose is pushed towards the inner side. The maltose at the position is thickened and accumulated, and the maltose is prevented from being flatly spread and exposed from the end part of the rotating roller. The maltose is prevented from structural breakage in the pulling process.

The present application is in the field of dry compositions for non-Saccharomyces yeasts, a process for preparing such compositions through freeze-drying and compositions which may be prepared by the processes. The processes are characterized in that the lyoprotectants comprise maltodextrin, antioxidant(s) and disaccharide(s), and that the dry matter weight ratio of lyoprotectants to yeast biomass is between 0.5:1 and 4:1, preferably between 0.5:1 and 3:1.

The present invention discloses a processing method for improving the expansion rate of low-fat and low-sugar ice cream, which includes: dissolving one or more of cream, whole milk powder, skim milk powder, sucrose, maltitol and maltodextrin in water at 75-80°C, injecting hot water to adjust the temperature to 80°C, and maintaining stirring at 80°C for a first preset time to prepare a first mixed slurry; adding ingredient A with a first preset ratio to the first mixed slurry and homogenizing it into a second mixed slurry, adding solution B with a second preset ratio to the second mixed slurry to prepare a third mixed slurry, and the third mixed slurry is used to make ice cream; the ingredient A includes citrus fiber, rice starch and calcium carbonate, and the solution B is a citric acid solution. The present invention uses the combination of citrus fiber and rice starch to be homogenized into a three-dimensional porous network, and uses citric acid-calcium carbonate to generate carbon dioxide to fill the porous structure, significantly improving the expansion rate and anti-melting property of low-fat and low-sugar ice cream.

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.