192 results about "Fructan" patented technology

The invention provides a method for preparing ethylene glycol and 1,2-propylene glycol by using a high-concentration saccharide solution. Reaction raw materials comprise cane sugar, glucose, fructose, fructosan, xylose, soluble lower polyxylose and soluble starch. According to the method, high-concentration saccharide is used as a reaction raw material, and a high-pressure pump feeding mode is used in a reaction process which is performed in a high-pressure reaction kettle; iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium and platinum which serve as transition metal in eighth, ninth and tenth groups are used as hydrogenation active ingredients; the hydrogenation active ingredients form a composite catalyst together with metal tungsten, tungsten carbide, tungsten nitride, tungsten phosphide, tungsten oxide, tungsten sulfide, tungsten chloride, tungsten hydroxide, tungsten bronze, tungstic acid, tungstate, metatungstic acid, metatungstate, paratungstic acid, paratungstate, peroxotungstic acid, peroxotungstate and tungsten-containing heteropolyacid which serve as catalytic active ingredients; and the high-concentration saccharide solution can be efficiently prepared into the ethylene glycol and the propylene glycol at high selectivity and high yield in a one-step catalytic conversion process under the hydrothermal condition that the temperature is 120 to 300 DEG C and the hydrogen pressure is 1 to 13MPa. By the method, the problem of coking of the high-concentration saccharide in the catalytic conversion process can be effectively solved, and high-concentration ethylene glycol and propylene glycol can be prepared by the high-concentration saccharide.

This invention provides methods for producing ethylene glycol from polyhydroxy compounds such as cellulose, starch, hemicellulose, glucose, sucrose, fructose, fructan, xylose and soluble xylooligosaccharides. The methods uses polyhydroxy compounds as the reactant, a composite catalyst having active components comprising one or more transition metals of Groups 8, 9, or 10, including iron, cobalt, nickel, ruthenium, rhodium, palladium, iridium, and platinum, as well as tungsten oxide, tungsten sulfide, tungsten hydroxide, tungsten chloride, tungsten bronze oxide, tungsten acid, tungstate, metatungstate acid, metatungstate, paratungstate acid, paratungstate, peroxotungstic acid, pertungstate, heteropoly acid containing tungsten. Reacting at a temperature of 120-300° C. and a hydrogen pressure of 1-13 MPa under hydrothermal conditions to accomplish one-step catalytic conversion. It realizes efficient, highly selective, high yield preparation of ethylene glycol and propylene glycol from polyhydroxy compounds. The advantage of processes disclosed in this invention include renewable raw material and high atom economy. At the same time, compared with other technologies that converts biomass raw materials into polyols, methods disclosed herein enjoy advantages including simple reaction process, high yield of targeted products, as well as easy preparation and low cost for the catalysts.

The invention concerns the use as surface-active agent of a fructan N-alkylurethane (I) which is composed of saccharide units of general formula (II)whereinA represents a fructosyl unit (F) or a terminal glucosyl unit (G) of said fructan, being a levan or an inulin, with a degree of polymerisation (DP) of minimum 3,(O-CO-NH-R) represents an N-alkylaminocarbonyloxy group replacing a hydroxyl group of the saccharide unit A, wherein R represents a linear or branched, saturated or unsaturated alkyl group containing from 3 to 22 carbon atoms and any mixture thereof, and s represents the number of N-alkylaminocarbonyloxy groups per saccharide unit which is expressed as degree of substitution (DS), and said DS has a value ranging from 0.10 to 2.0. The invention further relates to novel fructan N-alkylurethanes (I), in particular inulin N-alkylurethanes (I), and a method for their manufacture. The fructan N-alkylurethanes (I) have good to excellent surface-active properties in combination with good biodegradability and are suitable as surfactants for use in household and industrial applications, e.g. as detergents, emulsifiers, emulsion stabilizers, foaming agents, foam stabilisers, dispersants and wetting agents.

The amount of crystallized salt in an oil and / or gas well may be minimized or reduced by use of a fructan, such as inulin, or a derivative as a salt block inhibitor. A preferred salt inhibitor is the salt of carboxyalkyl inulin such as a sodium salt of carboxymethyl inulin. The salt block inhibitor may be adsorbed onto a water-insoluble adsorbent.

The invention relates to the use as surfactant, for the preparation of dispersions of multiphase systems that comprise a continuous aqueous phase containing a high concentration of electrolytes, of hydrophobically modified saccharides of general formula (I) and (II) [A]n(-M)s (I) [B]m(-M)s'(II) wherein [A]n represents a fructan-type saccharide [B]m represents a starch-type saccharide (-M) represents a hydrophobic moiety that substitutes a hydrogen atom of a hydroxyl group of the fructosyl and / or glucosyl units of the fructan-type and starch-type saccharides, which is selected from the group consisting of an alkylcarbamoyl radical of formula R-NH-CO- and an alkylcarbonyl radical of formula R-CO-, wherein R represents a linear or branched, saturated or unsaturated alkyl group with from 4 to 32 carbon atoms, and s and s', which can have the same value or not, represent the number of said hydrophobic moieties that substitute the fructosyl or glucosyl unit, expressed as average degree of substitution (av. DS) which ranges from 0.01 to 0.5. The invention also relates to a method for the preparation and / or stabilisation of dispersions of multiphase systems that comprise a continuous aqueous phase containing a high concentration of electrolytes, by using as surfactant one or more hydrophobically modified saccharides of general formula (I) and / or (II) defined above. Also dispersions of multiphase systems are disclosed that comprise a continuous aqueous phase containing a high concentration of electrolytes and that comprise as surfactant one or more hydrophobically modified saccharides of general formula (I) and / or (II) defined above.

Disclosed is a method and a product of a chicory root product for reducing taint in animals, said method comprising feeding to an animal a chicory root product during at least one day prior to slaughtering the animal. By feeding animals with the chicory root product this improves the quality of meat, prevents or reduces female and male animal taint, primarily boar taint caused by skatole and / or androstenone. The invention also relates to methods for improving the health status of animals e.g. by reducing infections by pathogens in the gastrointestinal tract and to methods for reducing animal caused odors in general. The chicory root product comprises inulin / fructan (fructo-oligosaccharides), other low molecular weight sugars and secondary metabolites.

The amount of crystallized salt in an oil and / or gas well may be minimized or reduced by use of a fructan, such as inulin, or a derivative as a salt block inhibitor. A preferred salt inhibitor is the salt of carboxyalkyl inulin such as a sodium salt of carboxymethyl inulin. The salt block inhibitor may be adsorbed onto a water-insoluble adsorbent.

Isolated polynucleotides encoding polypeptides active in lignin, fructan and tannin biosynthetic pathways are provided, together with expression vectors and host cells comprising such isolated polynucleotides. Methods for the use of such polynucleotides and polypeptides are also provided.

The use of a dietary fiber or a mixture of dietary fibers for the manufacture of a composition, being a pharmaceutical composition or a functional food or a functional feed, for the prevention, the inhibition and / or the treatment of systemic infections in humans and in vertebrates caused by pathogenic bacteria is disclosed.A method for the prevention, the inhibition and / or the treatment of systemic infections in humans and in vertebrates caused by pathogenic bacteria, comprising administration to said beings, orally, through tube feeding or rectally, a composition containing an effective amount of a dietary fiber or mixture of dietary fibers is also disclosed.The dietary fiber is preferably a fructan, typically inulin and / or oligofructose, most preferably chicory inulin with an average degree of polymerization (DP) of at least 20.

The invention relates to a fermenting agent for reducing biogenic amine in meat products by compound-bacteria temperature-shift fermentation and a fermentation method thereof, belongs to the technical field of biological fermentation of meat food, and particularly relates to a method of reducing biogenic amine in meat products by compound-bacteria temperature-shift fermentation. The method includes: adding compound bacteria into a meat product to be fermented all at once, performing low-temperature lactobacillus pentosus fermentation at 20-30 DEG C, immediately raising the fermentation temperature after the low-temperature fermentation is finished and performing medium-temperature fermentation at 35-45 DEG C with lactobacillus plantarum and lactobacillus coryniformis, namely, the meat product is fermented by a two-step method that is low temperature firstly and medium temperature secondly by utilization of the compound bacteria. The fermenting agent comprises 8.0-12.0 g of glucose, 2.0-3.0 g of pentose and 2.0-3.0 g of fructosan. The fermenting agent and the fermentation method are advantageous in that, by two fermentation steps at different temperatures and with different bacteria or bacterium compositions, the content of the biogenic amine in the meat product is obviously lower than that of a meat product only subjected low-temperature fermentation or only subjected to medium-temperature fermentation; and the flavor of the meat product subjected to the low-temperature fermentation firstly and medium-temperature fermentation secondly is significantly improved.

An aqueous ophthalmic composition comprising one or more terpene compounds, and one or more natural polymers selected from the group comprising hyaluronic acid, condroitin sulfate, alginate, guar gum, fructan, arabinogalactan or any corresponding salt or derivative of each thereof. The compositions can be used to disinfect or package a contact lens, or as an eye drop to comfort irritated eyes or rewet a contact lens.

The invention discloses a salt-tolerant ethanol-tolerant protease-tolerant surfactant-tolerant exoinulinase, a gene thereof, a vector and a strain. The exoinulinase InuAJB13 possesses the following properties: the optimum pH is 5.5, 50% or more of enzymatic activity is maintained in the pH scope of 4.0-7.0; the remnant enzyme activity reaches 90% or more after exoinulinase is processed by a buffer with a concentration of 0.1 M and pH of 4.0-7.0 for 1 h; the optimum temperature is 55 DEG C, and exoinulinase has the enzyme activity at 10-70 DEG C; a NaCl solution with a concentration of 0.6-4.5 M is capable of improving the enzyme activity by 0.2-0.6 times; 100% of the enzyme activity can be kept after exoinulinase is processed by a NaCl solution with a concentration of 0.2-4.5 M at 37 DEG C for 60 min; exoinulinase keeps the activity in 10% (V / V) of ethanol; exoinulinase keeps 88% or more of the activity after being processed in 3.0-15.0% (V / V) ethanol at 37 DEG C for 60 min; exoinulinase activity is not influenced or slightly influenced by trypsin, protease K, surfactants, most of metal ions, and commercial liquid laundry detergents; and exoinulinase is capable of hydrolyzing inulin, cane sugar, raffinose, stachyose, beta-2,6-fructan (levan) and soluble starch. The exoinulinase disclosed by the invention is applicable to industries such as feed, foodstuff, washing and biofuels.

The invention provides a method for analyzing and detecting inulin in infant formula. The method includes: (1) removing biomacromolecules in infant formula by means of ultrafiltration; and (2) testing content of fructo-oligosaccharide and total levan in the infant formula: determining and calculating the kestose percentage composition i3, the nystose percentage composition i4, fructofuranosylnystose percentage composition i5, lactose percentage composition Las1 and sucrose percentage content S1 in the infant formula by means of efficient liquid chromatography; using inulase for enzymolysis of sample solution, performing centrifugal ultrafiltration, and determining and calculating fructose percentage composition Ft and glucose percentage composition Gt in the sample subjected to enzymolysis and the percentage composition Las2 of the residue lactose not subjected to enzymolysis by means of efficient liquid chromatography; and conversing the inulin percentage composition i6 according to a formula a, wherein the conversion coefficient k is 0.9. The method is extremely high in accuracy and is capable of successfully detecting the inulin content in the infant formula.

The embodiment of the invention discloses an autologous collagen-containing water needle and a preparation method thereof. The autologous collagen-containing water needle comprises the following components in parts by weight: 10-20 parts of autologous collagen, 10-20 parts of hyaluronic acid, 5-10 parts of biopolysaccharide glue, 5-10 parts of a sheep placenta extract, 3-8 parts of a levorotatoryC stock solution, 2-3 parts of a grape seed extract, 2-5 parts of fructan, 2-5 parts of beta-glucan, 1-5 parts of vitamin C, 2-5 parts of amino acid, 2-3 parts of an coenzyme, 2-4 parts of an anti-allergic agent, 2-5 parts of an antioxidant, 1-3 parts of a sun-screening agent and 3-8 parts of a moisturizer. The water needle is prepared from the autologous collagen extracted from human venous blood, is autologous, does not generate exclusion, contains a variety of nutrients required for cell repair and cell growth, and has relatively strong efficacies of accelerating wound healing of skin and mucosa, promoting the cell growth, promoting wound healing and strengthening the immune system.

The invention relates to compound beauty-maintaining jerusalem artichoke aloe skin chewable tablets and a preparation method thereof, belonging to the technical field of food processing. The chewable tablets are prepared by the following steps: taking jerusalem artichoke powder, aloe skin powder and rose petal powder as main raw materials, xylitol, mannitol, citric acid and the like as auxiliary materials and magnesium stearate as a lubricant according to a certain mass ratio, grinding, mixing, adding a wetting agent to prepare a soft material, pelleting, drying, granulating, tabletting, sterilizing, packaging and the like. The prepared chewable tablets are rich in various bioactive substances such as aloe-emodin, aloin, flavonoids compounds, active polysaccharides, dietary fiber, rose anthocyanins and jerusalem artichoke fructosan, uniform in color, palatable in sourness and sweetness and convenient to carry, have the aroma of roses and the clean aromas of aloes and jerusalem artichoke, have the effects of promoting digestion, diminishing inflammation, preventing decayed teeth and obesity, calming the nerves, activating blood, relieving hypertension, hyperlipidemia and hyperglycemia, resisting oxidation and ageing and improving immunity after being eaten often, and have remarkable beauty-maintaining health-care effects.

The invention discloses a customized carrier-free facial mask as well as a preparation method and application thereof. The customized carrier-free facial mask comprises a base film and skin-care active ingredients sprayed on the base film; the raw material of the base film comprises a film-forming agent, and the film-forming agent is selected from one or more of tamarindus indica seed polysaccharide, polygonatum odoratum polysaccharide, sodium alginate, sodium hyaluronate, alginic acid, guar gum, sclerotium gum, fructo-oligosaccharide, saccharide isomeride, fructan and a PVM / MA copolymer; andthe base film can further comprise granules, and the granules comprise one or more of silicon powder, titanium dioxide, mica, montmorillonite, talcum powder and starch. According to the facial mask, the specific requirements of customized precise skin care are comprehensively considered, and meanwhile, the high efficiency and cost controllability of industrial production are considered, so that the developed customized carrier-free facial mask has an extremely good skin care effect and experience feeling, and also has an extremely high market economic value.

The invention discloses a method for purifying fructose oligosaccharide. The method comprises the steps of performing enzymolysis on inulin by using inulase to obtain a primary fructose oligosaccharide mixed solution, putting the primary fructose oligosaccharide mixed solution into a reactor, adding a phosphate buffer of which the pH is 5.0-8.0 and a glucosyltransferase at 10-40 DEG C, performing enzymolysis for 1-20h, treating the enzymolysis solution through a nano-filtration membrane, and collecting the trapped solution to obtain a fructose oligosaccharide solution of which the purity is more than 98%. By adopting the method, saccharose is decomposed into monosaccharide, the monosaccharide is further removed through the nano-filtration membrane, and fructan of which the polymerization degree is more than 2, so that the purity of the fructose oligosaccharide can be greatly improved and can exceed 98%. Meanwhile, after the saccharose is decomposed into the monosaccharide, the saccharide in the nano-filtration permeate is monosaccharide which can be directly utilized by microbes and is applied in the fermentation industry as a byproduct, so that the market demand is huge.

The invention discloses paenibacillus kribbensis YB326 and application thereof. According to the paenibacillus kribbensis YB326 and the application thereof, the preservation number of the paenibacillus kribbensis YB326 is GDMCC NO:60326; the bacterial strain of the paenibacillus kribbensis YB326 can generate anti-fungal natural active substances and extracellular active polysaccharides and oligosaccharides, and fermentation metabolites of the paenibacillus kribbensis YB326 have a relatively strong inhibition effect on ten kinds or more of plant germs of rice sheath blight disease, rice blast and the like; active carbohydrates comprise fructan and fructooligosaccharide; on the one hand, the fermentation metabolites not only can efficiently prevent and treat the rice sheath blight disease and the rice blast, but also can improve the resistance of rice, improve the rice yield, has a wide application prospect and has great significance in reducing the use of a large amount of chemical fertilizers and pesticides in rice planting and reducing the agricultural non-point source pollution; and on the other hand, the extracted extracellular active polysaccharides and oligosaccharides are added into fodders, so that the animal immunity can be effectively enhanced, the animal intestinal health can be improved, and the animal production performance can be improved.

The invention relates to mixed feed for improving the streptococcus resistance of tilapia, and belongs to the technical field of fish feed. The mixed feed comprises fish meal, bean pulp, double-low rape seeds, DDGS, strong flour, degossypolized cottonseed protein, wheat bran, prickly ash seeds, soybean phosphatide oil, soybean oil, methionine, levan, vitamin premix, microelement premix, vitamin C phosphate, calcium dihydrogenphosphat, mildew preventive, choline chloride and vitamin E. According to the feed, the nutrition requirement of the tilapia is taken into full consideration, the levels of protein, energy and other nutrients of the feed are scientifically adjusted, and the feed utilization rate is improved for the tilapia. The vitamin E and the levan are added to the feed and cooperate with other raw materials so that the nonspecific immunity of the tilapia can be improved, and therefore the streptococcus resistance of the tilapia is improved. The morbidity and mortality of the diseases caused by streptococcus of tilapia are reduced, and economic loss caused by the diseases caused by streptococcus of tilapia is reduced.

The present invention provides a delivery system for active and functional ingredients. In particular, the delivery systems of the present invention find particular application in the delivery of active and functional ingredients, such as medicaments, pharmaceuticals, nutritional supplements, botanicals, cosmeceuticals etc. Further, the invention relates to a delivery system for oral or topical administration of such active and functional ingredients. The invention is a delivery system based on a particulate gel precursor that acts both as the bodying agent,as well as the dispersing and suspending agent in the formulation. By modifying the level of precursor and process conditions, a broad range of product consistencies can be achieved ranging from thin liquid suspension to firm or semi solid gel. The precursor gel is a particulate linear chain fuctan gel. Inulin is a preferred fructan.

Described herein are methods for promoting microbiome development in honey bees using an effective amount of Fructobacillus as a probiotic. Also described are compositions comprising Fructobacillus strains capable of promoting microbiome development in honey bees, and processes for making such compositions.

The present invention discloses a fructan-rich fruit and vegetable juice beverage and a preparation method thereof. The fruit and vegetable juice beverage preparation method is as follows: Leuconostoc citreum fermentation stran is fermented and cultured in a tomato juice sucrose medium. The used leuconostoc citreum is a lactic acid bacteria and the fermentation product has a higher food safety. The preparation method greatly simplifies the production steps, saves the cost of production, and at the same time reduces the contamination risk caused by non-continuous operation. The used fermentation medium in the preparation process is wide in a variety of sources and low in cost, is natural and safe, reduces material costs, and at the same time improves the safety of food.

A method is provided for preparing a functional food comprising the steps of: producing an aqueous solution of a malvaceous plant extract, adding fructan to the solution, and adjusting the solution to a determined temperature to obtain a solution containing fructose and / or oligofructose hydrolyzed from the fructan in the presence of the malvaceous plant extract. A functional food can be obtained from the method, which can be used to treat pathologies relating to calcium deficiency.

This invention includes a recombinant DNA molecule comprising a sequence for a fructosyltransferase capable of producing a novel fructan, a method for producing transgenic plants exhibiting a novel fructan, transformed plants and plant parts comprising said novel fructan, and products prepared therefrom.

The invention provides fructan-high-yielding bacillus amyloliquefaciens and application thereof. The preservation number of B. amyloliquefaciens 66 at China General Microbiological Culture CollectionCenter is CGMCC No. 14363. The strain as a feed probiotic for producing functional fructan is used as a good immune activator, can effectively improve the activity of feeding biological interferon andmacrophages, and stimulate the immune function of a biological organism by producing non-specific immunomodulatory factors, and enhance the immunity and disease resistance of the organism. The straincan also produce amylase, protease, cellulase, hemicellulase and other digestive enzymes in the growth process to enhance the nutritional metabolism in the host. At the same time, the yield of extracellular fructan which is fermentatively produced by B. amyloliquefaciens is up to 100g / L. Therefore, the strain amyloliquefaciens 66 disclosed in the invention not only has good application potentialin the field of feed additives, but also shows great development potential and market value in the fields of biomedicine and functional food.

The invention provides a medicine composition, a medicine containing the medicine composition for regulating the uric acid content in blood and application thereof. The medicine composition includes a main drug, wherein the main drug includes alkaline mineral salt and optimal natural herb extract, wherein the alkaline mineral salt is one or more of soluble potassium salt, soluble sodium salt, soluble ferric salt, soluble calcium salt, soluble manganese salt and soluble magnesium salt; the natural herb extract is one or more of algal polysaccharides, lutein, anthocyanin, anisaldehyde and fructan. According to the medicine composition, addition of the alkaline mineral salt is advantageous to improve the solubility of uric acid crystal precipitation and promote drainage of uric acid; the natural herb extract is a natural ingredient, has low toxic and side effects, and is beneficial to improvement of physiological functions of a human body; and the alkaline mineral salt and natural herb extract are combined and synthesized, so that the regulating effect of the medicine composition for regulating the uric acid in blood can be improved. Therefore, the medicine composition has low toxic and side effects, and has the advantage of effectively regulating the uric acid content in blood.

The invention belongs to the field of gene engineering and discloses a helianthus tuberosus fructan-exohydrolases (Ht-FEH) gene and application of the Ht-FEH gene. The gene Ht 1-FEH has a nucleotide sequence shown in the SEQ ID NO.1 and is used for coding Ht 1-FEH with an amino acid sequence shown in the SEQ ID NO.2. The gene Ht 1-FEH can be applied to production of fructose substances through hydrolysis of inulin or cultivation of transgenic salt-tolerant plants.

A low density fructan having a loose density equal or less than 0.35 g / ml to a composition which comprises intimately associated with the fructan one or more of maltodextrins, polydextrose, sucrose, polyols and high intensity sweeteners. Also provided is a method for preparing the fructan and the composition, and a composition which presents instant dispersion properties in aqueous medium.

The invention relates to a selenium enrichment foliar fertilizer, which uses beer yeasts, allicin, fungus mushroom residues, fructan, allantoin, xylanase and barley as raw materials, wherein the barley are boiled by adding water through big fire after being baked, are sequentially boiled through low fire, barley residues are filtered out to obtain brewed liquid, the brewed liquid is cooled to room temperature, the beer yeasts are added into the brewed liquid to do primary fermentation, the xylanase and the fungus mushroom residues are added into primary fermentation liquid after the primary fermentation finishes, secondary fermentation liquid is obtained by filtering out the fungus mushroom residues through secondary fermentation, and the allicin, the fructan and the allantoin are added into the secondary fermentation liquid to be uniformly stirred, and are processed by instantaneously destroying enzymes and sterilizing in high temperature of 95 DEG C for 3 seconds at once, thereby obtaining the selenium enrichment foliar fertilizer.

The invention relates to a compound feed capable of improving the disease-resistant function of red tilapia, and belongs to the technical field of fish feeds. The compound feed disclosed by the invention comprises 5-15 parts of fish meal, 15-40 parts of soybean meal, 2-15 parts of rapeseed meal, 5-10 parts of DDGS, 2-6 parts of wheat, 10-20 parts of flour, 2-10 parts of corn protein powder, 2-10 parts of rice bran, 2-4 parts of Chinese prickly ash seeds, 1.0-2.5 parts of fish oil, 1.0-2.5 parts of soybean oil, 1.0-3.0 parts of a fish premix, 2-3 parts of calcium dihydrogen phosphate, 0.1-0.2 part of choline chloride, 0.01-0.05 part of methionine, 0.01-0.05 part of arginine, 0.3-1.0 part of betaine, 0.1-0.3 part of levan, and 0.01-0.05 part of vitamin E. The feed disclosed by the invention can improve the non-specific immunity of fish bodies, so that the disease-resistant function of the fish bodies is improved, the attack rate and the mortality rate of the red tilapia are reduced, and the economic losses of breeding households are reduced.