374 results about "Xylitol" patented technology

The invention provides a composition for assisting in reducing blood sugar and improving insulin resistance and a preparation method of the composition, and relates to the technical field of functional fiber processing. The composition for assisting in reducing blood sugar and improving insulin resistance comprises the following raw materials in parts by weight: 10-15 parts of depolymerization type composite cereal fibers, 3-5 parts of konjac fibers, 3-5 parts of psyllium husk powder, 2-3 parts of sesame powder, 1-2 parts of xylitol and 0.1-0.5 part of vitamin C, the mass ratio of wheat fiber to corn fiber to sweet potato fiber to pea fiber in the depolymerization type composite grain fiber is (25-30): (35-40): (20-25): (10-15). The composition disclosed by the invention can assist in reducing blood sugar and has a good effect of improving insulin resistance.

This invention belongs to the field of natural product extraction technology, specifically relating to a method for extracting total polyphenolic active substances from Gastrodia elata in food and cosmetics. The method uses a eutectic solvent as the extraction solvent, combined with ultrasonic extraction. The hydrogen bond acceptors of the eutectic solvent include polyethylene glycol-200, polyethylene glycol-400, and Tween 80, while the hydrogen bond donors include ethylene glycol, 1,2-propanediol, glucose, glycerol, and xylitol. This invention, using a eutectic solvent combined with ultrasonic extraction, achieves high extraction efficiency of total polyphenolic substances from Gastrodia elata, reaching a maximum of 33.2 mg / g. The extraction method of this invention is simple, has a short extraction time, and is practical, showing great development potential in the fields of medicine, food, and cosmetics.

The invention relates to the technical field of yoghourt preparation, in particular to normal-temperature cheese yoghourt capable of promoting calcium absorption and a preparation method of the normal-temperature cheese yoghourt. The normal-temperature cheese yoghurt mainly comprises the following raw materials in parts by weight: 60-70 parts of concentrated milk, 10-15 parts of distilled water, 5-10 parts of single cream, 2-10 parts of cream cheese, 2-10 parts of xylitol, 1-6 parts of starch, 0.1-0.5 part of tricalcium phosphate, 0-0.05 part of mogroside, 0.001-0.005 part of a leavening agent, 0.001-0.006 part of vitamin A and 0.001-0.006 part of vitamin D. The cheese yoghurt is reasonable in component matching, simple and stable in preparation process, free of preservatives and colloids, low in production cost and suitable for industrial production. The prepared product is uniform and stable, tastes fine and smooth, can be stably stored for a long time at normal temperature (at least 6 months at normal temperature), maximally retains the rich flavor and high nutrition density of cheese and the refreshing taste and digestibility of yoghourt, and meets the requirements of consumers on healthy, safe, delicious and convenient high-quality dairy products.

The invention provides low-GI oat bran and cistanche skin residue brewing powder and a preparation method thereof, and belongs to the technical field of food processing. The preparation method comprises the following steps: respectively cleaning, drying and crushing the oat bran and the cistanche peel pomace, degreasing and curing the oat bran powder, uniformly mixing the oat bran powder with the cistanche peel pomace powder subjected to ultrasonic treatment, spray drying and radio frequency sterilization treatment, the xylitol and the konjaku flour, and finally performing vacuum nitrogen-filled packaging to obtain the brewing powder. According to the method disclosed by the invention, nutritional active ingredients of the raw materials are effectively reserved, the reconstituability and taste of the product are improved, and the prepared blending powder has the characteristic of low glycemic index, is suitable for people needing to control blood sugar, and also has certain oxidation resistance.

Systems and methods are described for fiber-based, plastic-free products for storage of emulsion food products. In some embodiments, a coating is applied to the product, such as a coating comprising efficacious proportions of xylitol, citric acid, water, microfibrillated cellulose, and polyvinyl alcohol. A slurry is used to fabricate the product includes various proportions of fiber blends (e.g., combinations of bleached softwood, bleached hardwood, kraft paper, and / or virgin fiber), AKD, starch, a stearate (e.g., Magnesium or Calcium Stearate), a defoamer, and microfibrillated cellulose.

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 relates to the technical field of toothpaste preparation, and particularly discloses bamboo leaf flavonoid toothpaste as well as a preparation method and application thereof. The bamboo leaf flavonoid toothpaste is prepared from the following raw materials in parts by weight: 26 to 30 parts of a wetting agent, 1.6 to 1.8 parts of a binding agent, 0.2 to 0.4 part of a sweetening agent, 20 to 24 parts of a friction agent, 1.2 to 1.6 parts of a surfactant, 0.3 to 0.5 part of a pH (Potential of Hydrogen) regulator, 2.4 to 2.8 parts of active microcapsules, 0.4 to 0.6 part of essence and 14 to 18 parts of de-ionized water. A core material of the active microcapsule is a nano-dispersion, a wall material of the active microcapsule is prepared from Arabic gum and chitosan through a complex coacervation method, the nano-dispersion is prepared from xanthan gum, a bamboo leaf flavone extract, xylitol, calcium chloride and modified pectin through a reaction, and the modified pectin is prepared by mixing degreased pectin and chlorogenic acid according to a specific proportion. Through the synergistic effect of the substances, the dispersibility and antibacterial and anti-inflammatory performance of the bamboo leaf flavonoid toothpaste are improved.

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.

A rinsing solution for photodynamic disinfection, in particular oral disinfection, including, at least one photosensitiser from the group comprising riboflavin 5′-phosphate sodium in a proportion of 0.2 to 0.6 wt. % and a photosensitiser other than riboflavin 5′-phosphate sodium in a proportion of 0.001 to 0.05 wt. %, at least one viscosity modulator from the group comprising glycerol in a proportion of 1.0 to 5.0 wt. % and hyaluronic acid sodium salt in a proportion of 0.01 to 0.3 wt. %, at least one biofilm inhibitor from the group comprising xylitol in a proportion of 7.0 to 25.0 wt. %, L-arginine in a proportion of 0.01 to 0.5 wt. % and urea in a proportion of 0.5 to 3.0 wt. %, with the remainder on a water base.

The invention belongs to the technical field of Fuzhuan tea processing, and discloses a Fuzhuan tea composition which comprises the following components in parts by weight: 20-40 parts of a Fuzhuan tea extracting solution, 1-3 parts of menthol, 5-10 parts of xylitol, 10-20 parts of glycerol, 1-5 parts of a surfactant, 3-8 parts of a dendrobium officinale extract, 2-6 parts of a rose extract, 5-10 parts of a cassia seed extract, 0.3-0.8 part of a safflower extract, 3-7 parts of a chrysanthemum extract and medical-grade auxiliary materials, wherein the medical-grade auxiliary material comprises 5-15 parts of moisturizer glycerol. According to the invention, the application of the Fuzhuan tea is expanded from traditional drinks to daily necessities for eye care, a new product which can effectively relieve eyestrain, is mild in texture and can effectively provide moisture for fragile skin around eyes is developed, and the product provides a new form of health efficacy of using the Fuzhuan tea for consumers; a brand-new growth track is opened up for the Fuzhuan tea industry, and development, utilization and industrial upgrading of the Fuzhuan tea are effectively promoted.

The invention provides a protein component composition with special medical application as well as a preparation method and application thereof, and relates to the field of formula food with special medical application. Wherein the protein component composition comprises protein and a sweetening agent; the protein is one or more of hydrolyzed whey protein powder, hydrolyzed casein and albumin peptide. The sweetening agent is one or more of white granulated sugar, glucose syrup, malt syrup, high fructose corn syrup, erythritol, xylitol, maltitol and stevioside. A plurality of components such as a stabilizer, mineral substances and multivitamins can also be added into the protein component composition. The finally obtained composition can be applied to preparation of formula food for special medical purposes, and the content of total protein, hemoglobin, albumin or transferrin in blood of patients suffering from malnutrition or insufficient protein intake is increased.

The invention provides nutritional meal powder with a dampness clearing effect, and belongs to the technical field of food processing. The nutritional meal powder is prepared from the following raw materials in parts by weight: 5 parts of rice, 20 parts of coix seeds, 30 parts of phaseolus calcaratus, 5 parts of gordon euryale seeds, 8 parts of Chinese yams, 25 parts of longan, 4 parts of maltodextrin and 6 parts of xylitol. The longan with the nourishing effect is especially added, and the problem that the coix seeds, the red beans, the gordon euryale seeds and other raw materials are cold and cannot be eaten for a long time is effectively solved. According to the preparation method, the rice, the phaseolus calcaratus and the longan are creatively and uniformly mixed, extruded and puffed, and then crushed, so that the problem that the longan is difficult to crush is solved. According to the invention, the standby powder which is respectively puffed is subjected to secondary puffing, so that the problem that the phaseolus calcaratus is not easy to cook is solved, and the product has good flavor.

The invention discloses antibacterial mouthwash as well as a preparation method and application thereof, and belongs to the technical field of daily chemical products. According to the invention, egg white lysozyme, ferulic acid and grape seed procyanidine are taken as core components, and the mouthwash with an efficient bacteriostatic effect is developed. And the antibacterial rates of streptococcus mutans and porphyromonas gingivalis are 96.88% and 96.30% respectively. Researches show that bacterial biofilms can be destroyed by using the mouthwash, and the biofilm quantity is reduced by 53.7% after the bacterial biofilms are treated for 24 hours; extracellular polysaccharide is inhibited, the content of water-insoluble glucan is reduced by 62.3%, and synthesis of a key cariogenic matrix is hindered; the acid production capacity is regulated and controlled, the pH change of 24-hour culture is only 1.50, and xylitol competitively inhibits glycolysis and cooperates with ferulic acid to block bacterial metabolism. The mouthwash prepared by the invention avoids the problem of enzyme activity inhibition of the ionic surfactant of the traditional mouthwash, takes effect more quickly, and provides a basis for developing natural, safe and efficient functional mouthwash.

The invention discloses an anti-drunkenness composition and application thereof. The invention provides an application of a composition in preparation of an anti-drunkenness product, the composition contains edible plasma powder, xylitol, fructo-oligosaccharide, microcrystalline cellulose, mogroside and magnesium stearate, and the edible plasma powder contains immune globulin IgG. The TZK provided by the invention has obvious regulation and improvement effects on sleep behaviors, serum indexes and gastrointestinal injury after acute drinking. The oxidative stress state after long-term large-dose chronic drinking is effectively adjusted, so that the oxidative stress injury index malondialdehyde (MDA) gradually returns to the normal level; according to the present invention, the activity of the liver injury markers such as alanine transaminase (ALT) and aspartate transaminase (AST) is reduced, the liver protection effect is provided, and the gastric mucosa structure repair is promoted by increasing the gastric mucosa prostaglandin content and reducing the local MDA level;

The invention discloses Chinese prickly ash polysaccharide soft sweets and a preparation method thereof.The soft sweets comprise water, sugar, Chinese prickly ash polysaccharide and gels, the sugar is at least one of sweetening agents such as white granulated sugar, honey and xylitol, and the gels are at least one of gels such as gelatin tablets, agar, pectin or carrageenan. Artificial additives are avoided, and the soft sweets have remarkable antioxidant activity, such as free radical scavenging capacity, meet the snack requirements, and also can provide health-care functions, such as immunity enhancement, antisepsis and anti-inflammation.

The application provides probiotic oral burst balls and a preparation process, and belongs to the technical field of probiotic embedding. The probiotic oral burst balls comprise core materials and wall materials. The core materials comprise probiotic raw materials, a flavoring agent, mannose, xylitol, mannose oligosaccharide, glycine, vitamin E and a solvent 1, and the solvent 1 is an oily solvent. The wall materials comprise trehalose, gelatin, cyclic dextrin and a solvent 2, and the solvent 2 is an oily solvent. The probiotic oral burst balls prepared by the preparation process have the characteristics of temperature resistance, acid resistance and storage resistance.

The invention relates to chicken skin fruity qi and blood tonifying soft sweets and a making method thereof, and belongs to the technical field of health food. The invention provides chicken skin fruity qi and blood tonifying soft sweets. The chicken skin fruity qi and blood tonifying soft sweets are prepared from the following components in parts by mass: 37 to 99 parts of chicken skin juice, 15 to 30 parts of red dates, 10 to 25 parts of radix astragali seu hedysari, 5 to 15 parts of radix angelicae sinensis, 1 to 8 parts of radix ophiopogonis, 65 to 83 parts of gelatin, 15 to 25 parts of agar, 130 to 160 parts of xylitol, 0.1 to 0.6 part of stevioside, 0.1 to 0.6 part of mogroside, 1 to 8 parts of citric acid and 150 to 240 parts of water. The chicken skin fruity qi and blood tonifying soft sweets have the effects of tonifying qi and blood, resisting oxidation, reducing blood sugar, preventing decayed teeth, enhancing the immune regulation ability and the like, the variety of soft sweets is enriched, the market diversification requirements are met, high-quality development of special agricultural products can be promoted, the supply chain of the agricultural industry chain is prolonged, and the market prospect is wide. The method has profound significance on development of special agricultural products and economy.

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.

Disclosed herein is a genetically engineered yeast cell capable of producing xylitol, the genetically engineered yeast cell characterized by a genetic modification resulting in overexpression of a natural enzyme having xylitol-5-phosphate phosphatase (X5PP) activity and / or an exogenous polynucleotide sequence encoding an enzyme having xylitol-5-phosphate phosphatase (X5PP) activity. The genetically engineered yeast cell may additionally be engineered to overexpress a native RPE enzyme, to express an exogenous XPDH enzyme, to express an exogenous XKS enzyme, and / or to express an exogenous XDH enzyme.

The application discloses a low-sugar sugar coating, a preparation method thereof and a low-sugar skewer, the low-sugar sugar coating comprising 3-5 parts by mass of white granulated sugar and 5-7 parts by mass of a natural sweetener, and the white granulated sugar and the natural sweetener accounting for 10 parts by mass in total; the natural sweetener comprises trehalose and a polyhydric sugar alcohol; when the polyhydric sugar alcohol is sorbitol, the mass ratio of the trehalose to the polyhydric sugar alcohol is 1:0.75-7; and when the polyhydric sugar alcohol is xylitol, the mass ratio of the trehalose to the polyhydric sugar alcohol is 3-9:1. The low-sugar skewer comprises stuffing and a sugar coating wrapping the stuffing, and the sugar coating is the low-sugar sugar coating. The low-sugar sugar coating has a greatly reduced amount of white granulated sugar and is healthier; meanwhile, the sugar coating has a lower solubility and is easier to store; and compared with traditional sugar coatings and traditional skewers, the low-sugar sugar coating and the low-sugar skewer have a close or even better taste, and can meet the dual demands of consumers for health and taste.

The invention discloses a composition for relieving, repairing and promoting skin regeneration as well as a preparation method and application of the composition. The composition is prepared from the following raw materials in parts by weight: 0.1 to 5 parts of mandelic acid, 0.5 to 10 parts of a cynanchum atratum extract, 1 to 8 parts of a xylitol compound, 0.5 to 15 parts of regenerated silicon, 1 to 10 parts of a starfish regeneration repair factor, 0.3 to 1.5 parts of trimethylolpropane tri (3-mercaptopropionic acid) ester, 0.05 to 0.5 part of calcium chloride, 0.1 to 1 part of an additive, 0.2 to 2 parts of chitosan-polycaprolactone, 0.2 to 1 part of a pH regulator and 5 to 15 parts of a solvent. 0.3 to 0.8 part of an antioxidant and 3 to 10 parts of a humectant; the additive is hyaluronic acid or formylated hyaluronic acid. Through a multi-channel synergistic effect, the effects of relieving, repairing and promoting skin regeneration are improved.

Disclosed herein are genetically engineered yeast cells capable of producing xylitol and comprising a glyceraldehyde-3-phosphate dehydrogenase enzyme at least 60%, at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 98%, at least 99%, or 100% identical to SEQ ID NO:100. The genetically engineered yeast cell may additionally have a deletion or disruption of a native gene encoding an erythrose reductase and may be engineered to overexpress a native RPE enzyme, express an exogenous XPDH enzyme, express an exogenous XKS enzyme, express an exogenous XDH enzyme, overexpress a native X5PP enzyme, and / or express an exogenous X5PP enzyme.

The invention belongs to the technical field of preparation of health-preserving drinks, and particularly relates to ginkgo flavone health-preserving wine and a preparation method thereof. The ginkgo flavone health-preserving wine is prepared from the following raw materials in parts by weight: 10 to 30 parts of ginkgo leaves, 0.5 to 2 parts of pericarpium citri reticulatae flavored inclusion compound, 10 to 20 parts of xylitol and 1 to 2 parts of jujuboside. The ginkgo flavone extract extracted from ginkgo leaves is prepared into a stable nanoscale inclusion structure, the core efficacy of ginkgo flavone is effectively protected, and efficacy attenuation caused by oxidation and other factors in a wine base environment is avoided; the pericarpium citri reticulatae-flavored inclusion compound effectively reduces possible stimulation of ginkgo flavone to gastrointestinal tracts, and meanwhile, the characteristic that the pericarpium citri reticulatae-flavored inclusion compound is easy to volatilize is improved, so that the two active ingredients can stably play a role in the wine for a long time, and the palatability and the stability are both improved.

The invention relates to the technical field of food processing, in particular to low-fat high-protein peanut eight-treasure porridge and a preparation method thereof. The preparation method comprises the following steps: S1, respectively soaking the quinoa, the oat, the barley kernels, the degreased peanuts, the mung beans, the red beans, the lotus seeds and the tremella fuciformis; then pre-cooking the quinoa, the oat, the barley kernels, the red beans, the mung beans and the degreased peanuts at normal pressure for 30-50 minutes, and keeping red bean soup; mixing the pre-cooked raw materials with xylitol and red bean soup, putting the mixture into a high-pressure sterilization pot, performing high-temperature sterilization and curing, and performing filling and sealing. The low-fat high-protein peanut eight-treasure porridge is prepared by adopting a complete material cavitation treatment process, taking the degreased peanuts as a main food material and then taking abundant food materials such as the quinoa, the oat, the barley kernels, the mung beans, the red beans, the lotus seeds and the tremella as auxiliary materials, can meet health requirements, has good taste, color and luster, contains few additives and preservatives, and is suitable for being eaten by people. The method provides healthier choices for consumers, and has important significance.

The invention relates to the technical field of xylitol processing, and discloses a xylitol raw material treatment device which comprises a treatment tank; the crushing pool is fixedly connected to the top end of the treatment tank, a crushing cutter is rotationally connected in the crushing pool, a through groove is formed in the bottom surface of the crushing pool, a connecting plate is detachably connected in the through groove, a plurality of discharging holes are formed in the connecting plate, and the discharging holes extend into the treatment tank; the cover plate is arranged at the top end of the crushing tank, the bottom surface of the cover plate is movably connected with an extrusion block, the cover plate is provided with a lifting assembly connected with the extrusion block, the extrusion block extends into the crushing tank and ascends and descends in the vertical direction, and the extrusion block is not in contact with the crushing cutter; the screen plate is obliquely arranged in the treatment tank, a screen mesh is fixedly connected to the center of the screen plate and located below the discharging hole, a first discharging opening is formed in the side wall face of the treatment tank and communicates with the lower end of the screen plate, and a second discharging opening is formed in the bottom end of the treatment tank. The xylitol raw material treatment effect can be improved, and the treatment efficiency is improved.

Disclosed herein are genetically engineered yeast cells capable of producing xylitol and characterized by a deletion or disruption of a native gene encoding a glycerol-3-phosphate dehydrogenase 2a enzyme at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, at least 98%, at least 99%, or 100% identical to SEQ ID NO:107. The genetically engineered yeast cell may additionally overexpress a native glycerol kinase enzyme, express a transketolase enzyme, have a deletion or disruption of a native gene encoding an erythrose reductase, be engineered to overexpress a native RPE enzyme, express an exogenous XPDH enzyme, express an exogenous XKS enzyme, express an exogenous XDH enzyme, overexpress a native X5PP enzyme, and / or express an exogenous X5PP enzyme.

The invention discloses a sargassum pallidum polypeptide oral liquid and a preparation method thereof, and belongs to the technical field of pharmaceutical preparations. The oral liquid comprises sargassum pallidum polypeptide as a main drug, xylitol, anhydrous citric acid and beta-cyclodextrine as flavoring agents, sodium benzoate as a preservative and purified water as a solvent. The preparation method comprises the following steps: dissolving sargassum pallidum polypeptide in part of purified water, sequentially adding other auxiliary materials, stirring, centrifuging, fixing the volume, and uniformly mixing. Through single factor and orthogonal test optimization, the optimal prescription ratio is determined, the sensory quality of the oral liquid is remarkably improved, and the oral liquid has good stability. The product is appropriate in taste, unique in flavor, simple and convenient in preparation process and suitable for industrial production.

The application discloses a high-efficiency dehydration protection method for water-saturated wooden cultural relics, and specifically comprises the following steps: step 1, preparing a xylitol aqueous solution with a concentration of 30-80 wt%; step 2, soaking the water-saturated wooden cultural relics in the xylitol aqueous solution prepared in step 1 until the xylitol permeates into the water-saturated wooden cultural relics; step 3, taking out the water-saturated wooden cultural relics and removing the excess xylitol on the surface of the water-saturated wooden cultural relics; step 4, spraying a chitosan aqueous solution with a concentration of 1-5 wt% on the surface of the water-saturated wooden cultural relics treated in step 3 for multiple times; and step 5, spraying a glutaraldehyde aqueous solution with a concentration of 2-10 wt% on the surface of the water-saturated wooden cultural relics treated in step 4 for multiple times, then wrapping the water-saturated wooden cultural relics with a breathable film, and airing the water-saturated wooden cultural relics until the constant weight of the water-saturated wooden cultural relics is reached, thereby completing the dehydration and shaping of the water-saturated wooden cultural relics.

A chewable tablet a first probiotic strain of bacteria that inhibits Streptococcus mutans; a second probiotic strain of bacteria that inhibits one or more of Porphyromonas gingivalis, Treponema denticola, and Tannerella forsythia (i.e., the red complex); a remineralizing agent such as hydroxyapatite with a micron-level particle size; and a sugar alcohol such as xylitol.

The invention belongs to the technical field of food coloring, and particularly relates to a compound sweetening agent capable of coloring at low temperature for food as well as a preparation method and application of the compound sweetening agent. The D-psicose and tagatose chewable tablets are prepared from the following raw materials in parts by mass: 15 to 20 parts of D-psicose, 1 to 5 parts of tagatose, 2 to 8 parts of D-xylose, 20 to 25 parts of xylitol, 30 to 35 parts of solid maltitol, 30 to 35 parts of liquid maltitol, 10 to 14 parts of polydextrose and 0.5 to 1.5 parts of stevioside. The sweetening agent with a coloring function is perfectly combined with other sugar-free sweetening agents, so that function synergy is realized, food can quickly generate good color and luster in a low-temperature state, and the nutrition of the food is prevented from being lost.