288 results about "L-Arabinose" patented technology

A reduced carbohydrate ice cream or other frozen dessert product that contains a low-digestible sweetener system and a fermentable fiber material. The a low-digestible sweetener system consists of one or more low-digestible sweeteners having a molecular weight of from about 90 to about 190; and is typically a low molecular weight saccharide or a polyol. Typical low-digestible sweeteners include mannitol, maltitol, sorbitol, lactitol, erythritol, xylitol, isomalt, glycerin, talitol, mannose, tagatose, fructose, arabinose, fucose, lycose, ribose, sorbose, talose, and xylose, and mixtures thereof. The low-digestible sweetener replaces the digestible sugars to provide the appropriate freezing point depression of the product. The level of fermentable fiber is sufficient to mitigate a Taxation effect that can be caused by ingestion of the amount of the low-digestive sweetener. The fermentable fiber can be an inulin, a maltodextrin resistant to human digestion, an oligofructose, a fructooligosaccharide, a high water binding fermentable fiber, and a mixture thereof.

The invention discloses a moon cake. The moon cake comprises a moon cake cladding and a moon cake filling, wherein the moon cake cladding comprises the following raw materials: 40 to 70 percent of wheat flour, 20 to 45 percent of sugar alcohol, 2 to 8 percent of L-arabinose, 5 to 20 percent of animal and vegetable oil or hydrogenated animal and vegetable oil and 0.2 to 2 percent of alkaline water. The technical problems of soft cladding and poor plasticity caused by the low viscosity of a sugar-free moon cake which takes maltitol solution as a cladding in the prior art are solved. Therefore, the moon cake has the characteristics of easily-shaped cladding, high plasticity and stable texture in baking process.

A fungal microorganism can be engineered by means of genetic engineering to utilise L-arabinose. The genes of the L-arabinose pathway, which were unknown, i.e. L-arabinitol 4-dehydrogenase and L-xylulose reductase, were identified. These genes, together with the known genes of the L-arabinose pathway, form a functional pathway. This pathway can be introduced to a fungus, which is completely or partially lacking this pathway.

The invention discloses an ice cream which comprises the following substances by mass percent: 0.6-1.35% of L-arabinose, 15-20% of powdered milk, 10-15% of saccharose, 4-8% of single cream, 2-8% of vegetable fat, 0.5-5% of emulsifying agent, 0.1-0.5% of stabilizing agent and balance water. The prepared ice cream has the function of reducing blood sugar level, and the original flavor of the ice cream is not changed.

The present invention relates to an ophthalmic solution comprising 0.00001 to 10.0 weight percent of a simple saccharide, at least 0.00001 weight percent of a preservative, and not more than about 0.2 percent by weight chloride. The simple saccharide is chosen from the group consisting of: inositol; mannitol; sorbitol; sucrose; dextrose; glycerin; propylene glycol; ribose; triose; tetrose; erythrose; threose; pentose; arabinose; ribulose; xylose; xylulose; lyxose; hexose; allose; altrose; fructose; galactose; glucose; gulose; idose; mannose; sorbose; talose; tagatose; adlose; ketose; heptose; sedoheptulose; monosaccharides; disaccharides; sugar alcohols; xylitol; and polyol.

The invention discloses a functional composition with functions of controlling blood sugar and enhancing nutrition, which is prepared from main materials and a common carrier, wherein the main materials consist of functional sugars, composite vitamins, mineral substance, dietary fiber and high sweetener; and the functional sugars comprise L-arabinose and trehalose, the weight content of the L-arabinose is 10 to 80 percent, and the weight content of the trehalose is 10 to 50 percent. The functional composition uses two functional sugars as main sugar-reducing substances and is added with multiple composite vitamins, the mineral substance, the dietary fiber and the high sweetener, so the invention provides the functional composition with convenient use, good mouthfeel, safety, effectiveness and practicability of controlling blood sugar and enhancing nutrition for diabetes patients. The functional composition can well supplement nutrient substances required for the human body when the diabetes patients can feel relieved to enjoy a proper amount of sweet food.

The invention provides oral liquid for alleviating a hangover and protecting a liver, and a preparation method thereof. The oral liquid is prepared from the following components in parts by weight: 5-15 parts of root of kudzu vine, 5-15 parts of semen hoveniae, 0.5-5 parts of ginseng, 2-10 parts of lalang grass rhizome, 0-5 parts of hawthorn, 0-3 parts of sealwort, 0-15 parts of pueraria flower, 3-20 parts of glucose, 1-10 parts of xylitol, 1-5 parts of L-arabinose, 0.2-1.0 part of taurine, 0-0.5 parts of glutamine, 0-5 parts of resistant dextrin, 0-1 part of decavitamin, and 0-2 parts of compound amino acid. The oral liquid has the beneficial effects of good hangover alleviating efficacy and good flavor and mouthfeel; the problems of dizzy giddy and scattered attention after excessive drinking are solved; damages to the liver and kidney caused by alcohol are reduced; and gastrointestinal mucosa is protected.

The invention discloses a probiotic solid drink with a hypoglycaemic effect and a preparation method of the probiotic solid drink. The probiotic solid drink comprises components in percentage by weight as follows: 5%-15% of complex probiotics, 14%-28% of xylooligosaccharide, 50%-80% of L-arabinose and 4%-6% of dietary fiber. Complex probiotic powder contains lactobacillus rhamnosus, lactobacillus reuteri and bifidobacterium adolescentis. With the adoption of the probiotic solid drink, a large quantity of probiotics can be proliferated, the colonization rate and survival rate of exogenous probiotics on the intestinal mucosa are increased, a balanced system of intestinal flora is improved, immunity of a human body is improved, an organism is promoted to repair various functions, so that the auxiliary hypoglycaemic effect is realized. With the adoption of a dry blending technology, nutrient substances with different characteristics are subjected to optimizing and compounding combination, so that the problems of need for refrigeration, short guarantee period, single flora constitution, low viable counts and the like of a conventional liquid probiotic drink are solved, and the market prospect of products is broad.

The invention discloses a new clean method for producing xylitol and arabinose; the method originally utilizes xylose mother liquor as raw material, improves the fermentation process and the separation and purification process by pretreatment of the xylose mother liquor, fermentation, separation of fermented fluid thalli, fermentation pre-treatment, nanofiltration, concentration, chromatographic separation of a simulated moving bed, concentration and crystallization, and the like, shortens the fermentation time, lowers the production cost, greatly reduces the discharge amount of sewage, and increases the conversion rate of xylitol and the yield rate of arabinose; the purity of the xylitol and the arabinose which are obtained by utilizing the method can respectively reach more than 99.9 percent and 99 percent; and the yield rate of xylitol and arabinose is improved greatly, thereby creating an effective clean pollution-free industrial road for the production of xylitol and arabinose.

A two-column process for extracting L-arabinose from acacia gum includes hydrolyzing in inorganic acid, alkali neutralizing, extracting in alcohol, filtering, dissolving in acetic acid at 60-90 deg.Cto obtain coarse L-arabinose mixture, separating by the first column to obtain the mixture of pure rhamnose and mixture of L-arabinose and galactose, and separating by the second column to obtain pure L-arabinose. The cellulose, alumina, starch, silica gel and developing solvent are filled in columns. Its advantages are low cost and high yield and purity of product.

The invention relates to a method for producing L-arabinose, which can simultaneously produce ethanol, D-ribose and citric acid as byproducts. The method utilizes a hydrolyzate of agricultural waste, a xylose mother liquor and / or a production waste liquor containing pentose as the raw materials and comprises the following steps: (a) pretreating the raw materials; (b) carrying out the chromatographic resolution to separate the raw materials into an arabinose-stage liquor and a xylose-stage liquor; (c) removing impurities and unwanted bacteria, which have an inhibiting effect on fermentation, as well as unwanted saccharides at least comprising glucose and galactose; (d) and carrying out the post treatment on the arabinose-stage liquor to obtain the L-arabinose. Steps (c1) and (c2) are arranged before the chromatographic resolution in step (b) or after step (b). The invention has the advantages of low production cost and high efficiency, and is suitable for large-scale industrial production.

The invention discloses a healthcare electronic cigarette juice capable of preventing and curing decayed teeth. The health electronic cigarette juice mainly contains 3-5%w / v of a tobacco extract, 40-50%w / v of propylene glycol, 10-15%w / v of purified water, 3-5%w / v of a tobacco flavor, 0.2-1%w / v of a stabilizer, 3-8%w / v of a thickener, 0.5-4%w / v of xylitol, 0.5-4%w / v of L-arabinose and 3-9% w / v of sodium fluoride solution. As the healthcare electronic cigarette juice capable of preventing and curing the decayed teeth contains the xylitol and the sodium fluoride, the healthcare electronic cigarette juice has the effect of preventing and curing the decayed teeth, and increasing the teeth strength; and the cigarette juice can also have healthcare function and prevent and cure the decayed teeth of oral cavity and teeth while enjoying smoking and smoke exhalation.

The invention discloses a health care product with the function of reducing blood sugar. The health care product comprises L-arabinose, chromium-enriched yeast and any one or more of taurine, Chinese wolfberry extract, L-carnitine tartrate and bitter melon extract. The health care product has the functions of reducing the blood sugar and controlling blood fat simultaneously, has good taste, and is particularly suitable for patients with diabetes.

Preparation of L-pectin sugar is carried out by: processing corn bran with glycase, degrading the corn bran said above with thin acid of 1%-5%, regulating pH3.5-5.5 and collecting supernatant, desalting and removing impurities the supernatant with ion exchanging resin, inoculating yeast and fermenting, removing hetero-monosaccharides, crystallizing the fermented liquid to obtain final product. It is chemical process combined with biologic one, with simple procedure and high yield and good quality.

The invention discloses a method for extracting L-arabinose from xylose mother liquor and biomass acid hydrolysate, which mainly comprises the following steps: step 1: the xylose mother liquor and the biomass are pretreated; step 2: Debaryomyces yeast Y161 (Debaryomyces, spp) is cultured and collected in China General Microbiological Culture Collection Center (CGMCC) with the culture collection number being 2480; step 3: the cultured yeast is inoculated in the xylose mother liquor or the hydrolysate for culture; step 4: the fermentation liquor obtained is decolorized, and then ion exchange is carried out on the decolorized fermentation liquor; step 5: the fermentation liquor is condensed until the sugar content is more than 70%; step 6: anhydrous ethanol and L-arabinose seed crystals are added for crystallization; step 7: the crystals obtained are washed by 95% of ethanol ,and then dried to obtain the pure L-arabinose product. The method has the advantages of no pollution, low cost and low energy consumption, and is suitable for the large-scale industrialized production of the L-arabinose.

The invention relates to a method for producing xylitol and L-arabinose by xylose mother liquor. The method comprises the following steps: producing strains by the xylitol to ferment the xylose motherliquor, and eliminating thalli, pigment and impurities from fermentation liquor followed by condensing and crystallizing to obtain a xylitol crystal and the xylitol mother liquor, wherein, the xylitol mother liquor is separated by a chromatographic system to obtain an L-arabinose phase, and then the L-arabinose phase condensed and crystallized to obtain an L-arabinose phase crystal. The method ofthe invention helps fully utilize the industrial waste xylose mother liquor as a raw material to produce the xylitol and the L-arabinose at the same time, wherein, xylose and glucose in the xylose mother liquor are firstly utilized to ferment and synthesize the xylitol, thus increasing xylitol yield and reducing difficulty in separating the L-arabinose from the mother liquor. The method of the invention has wide raw material source, low price, less resource consumption, low production cost and reduced environmental pollution caused by industrial wastes.

The invention provides a kind of Brevibacillus laterosporus (STP-B.latCGMCCNo.1119), the character follows this. G+, haulm shape, the shape is (0.4-0.5)*(2-2.5)mu. The spore adnation is from neutrality to sub-neutrality. The spore bursa will enlarge. Most of the spore is vertebra aitch, the remainder is disciform. VP-, ph value of culture fluid is 7.2, amylolysis-, gelatin dispergation-, decomposition casein+, katalase+, oxidase-, cirate -, dextrose aerogenesis-, dextrose acidgenesis+, L-arabinose acidgenesis-, xylose acidgenesis-, mannit acidgenesis+, azotate deocidisation+, methyl red+, pH5.7 growth+.

The invention discloses meal replacement powder capable of reducing weight and a preparation method of the meal replacement powder. The meal replacement powder capable of reducing weight comprises thefollowing components in parts by weight of 0.1-0.5 part of a white kidney bean extract, 3-5 parts of L-arabinose, 10-15 parts of coix seeds, 10-15 parts of black rice, 10-15 parts of oat, 10-15 partsof millet, 5-10 parts of chenopodium quinoa willd, 5-10 parts of chia seeds, 5-10 parts of linseeds, 12-14 parts of wheat germ powder, 15-20 parts of black beans, 10-15 parts of inulin, 1-5 parts ofsoybean phosphatide, 3-5 parts of a lotus leaf extract, 5-8 parts of bamboo-leaf flavone, and 25-30 parts of isomaltooligosacharide. The preparation method comprises the following steps of firstly, crushing part of the raw materials, then performing wetting, performing puffing, then performing crushing, performing screening, and finally, mixing the rest of the raw materials so as to obtain finished products. The meal replacement powder capable of reducing weight can effectively restrain absorption and conversion of sugar, so that the effect of reducing weight is notable, and besides, the mealreplacement powder is reasonable in nutrient collocation and balanced in function components. The preparation method is simple, convenient, and easy to operate.

The present invention relates to a method of producing fatty acids, by inoculating a mixture of at least one of cellulose, hemicellulose, and lignin with a microorganism strain and an algae strain, and growing said inoculated strains under successive aerobic-heterotrophic and either anaerobic-phototrophic or anaerobic-heterotrophic conditions creating symbiosis between the strains. Under a first aerobic-heterotrophic condition, the microorganism strain produces extracellulases that hydrolyze cellulose, hemicellulose and lignin, to produce sugars, such as glucose, cellobiose, xylose, mannose, galactose, rhamnose, arabinose or other hemicellulose sugars that are metabolized by the algae strain which also metabolizes acetic acid, glucose and hemicellulose from pretreatment. Then, either under a subsequent anaerobic-heterotrophic condition, the microorganism uses cellulose and produces fermentation products, and the algae strain uses part of the released sugars and exhibits a slower growth rate, or under a further anaerobic-phototrophic condition, the microorganism uses cellulose and produces fermentation products and CO2, and the algae strain uses the CO2 and part of the released sugars and the at least one fermentation product. Under a further aerobic-heterotrophic condition, the algae strain uses the fermentation products produced by the microorganism strain in a previous anaerobic step to produce one or more fatty acids, and the microorganism strain continues to produce extracellulases. The microorganism and algae strains are evolved for tolerance to furfural. The fatty acids can optionally be recovered and used for production of biodiesel fuel.

The invention relates to a process of recovering arabinose and optionally other monosaccharides from vegetable fiber rich in heteropolymeric arabinose, such as gum arabic. Said other monosaccharides are typically selected from galactose and rhamnose. The process of the invention comprises controlled hydrolysis of the arabinose-rich vegetable fiber and fractionation of the hydrolysis product to obtain a fraction enriched in arabinose and optionally other product fractions followed by crystallization of arabinose. The invention also relates to a novel method of crystallizing arabinose from biomass-derived material. Furthermore, the invention relates to novel crystalline L-arabinose.

The present invention relates to the simple, gentle, and efficient extraction of biological material from Escherichia coli (E. coli). The use of E. coli in research laboratories depends on the ability to prepare lysates to isolate the desired products under investigation. The present invention includes methods and engineered E. coli strains that are capable of rapid controlled lysis or herein “autolysis”. The XJa strains were made from JM109 and the XJb strains from BL21 by insertion of the λ R or (λ RS) lytic endolysin gene to replace the tightly regulated araB gene. Thus, arabinose becomes a non-metabolizable inducer and the controlled autolysis phenotype is induced by the PBAD promoter by the presence of saturating arabinose. Upon induction of the bacteriophage λR endolysin, the E. coli remains intact but is efficiently lysed after one freeze-thaw cycle. The present invention is usable with many different buffer systems and is flexible in this regard. The controlled autolysis phenotype shows increrased yields and purity of extracted protein compared to detergent based lysis or traditional sonication lysis methods. The present invention is useful for routine protein expression or nucleic acid extraction and also for high-through-put manipulation involving protein or nucleic acid from E. coli.

The invention discloses pure grape essence ferment and a production method thereof. The pure grape essence ferment consists of the following raw materials in parts by weight: 50-90 parts of fresh grapes, 0-5 parts of nonfat grape skin residue powder, 0-2 parts of grape wine, 0-5 parts of high fructose corn syrup, 0-100 parts of white granulated sugar, 0-2 parts of xylooligosaccharide, 0-35 parts of L-arabinose, 0-10 parts of sugar alcohol, and an appropriate quantity of probiotics. The production method comprises the following steps of: cleaning the fresh grapes, removing stems of the cleaned fresh grapes, crushing the fresh grapes without stems, squeezing juice from the crushed grapes, adding water to grape skin residues, grinding the grape skin residues, adding pectinase, cellulase, and neutral protease, and performing enzymolysis; and enabling the probiotics to be fermented when being subjected to heat preservation, after fermenting the fermented probiotics, and performing centrifugation to remove residues so as to obtain raw pure grape essence ferment liquid. The pure grape essence ferment disclosed by the invention has the efficacies of reducing blood lipid, reducing weight, improving the antioxidant ability of organisms, regulating and balancing intestinal flora, improving immunity, resisting oxidation, promoting the beautifying of the features, promoting sleep, and delaying senescence.

There is disclosed a method for producing an L-amino acid, for example L-threonine, L-lysine, L-histidine, L-phenylalanine, L-arginine, L-tryptophan or L-glutamic acid, using a bacterium of the Enterobacteriaceae family, wherein the bacterium has been modified to enhance an activity of L-arabinose permease.

Disclosed is a method of producing xylitol using a hydrolysate containing xylose and arabinose prepared from byproducts of tropical fruit biomass and more precisely, a method of producing xylitol which includes the steps of producing xylose and arabinose by the pretreatment of tropical fruit biomass byproducts including coconut shell, palm shell and oil palm empty fruit bunch (OPEFB) via acid (0.2-5%) hydrolysis and an electrodialysis and an ionic purification; and producing xylitol with high yield based on repeated batch fermentation using a hydrolysate containing xylose and arabinose as a carbon source. In addition, the present invention relates to an active carbon produced by carbonization and activation of a hydrolysate remainder of a tropical fruit shell, the byproduct of xylose and arabinose production, at a certain temperature and a preparation method of the same.

The invention provides a composition of plant extract and a method for regulating and controlling blood sugar by using the same. The composition of a plant extract comprises a glycosidase inhibitor used for blocking digestion and absorption of sugar by organism, and a sodium glucose transporter inhibitor used for inhibiting sodium glucose transporter so as to inhibit the reabsorption of the glucose by kidney. The glycosidase inhibitor comprises L-arabinose, 1-deoxynojirimycin, phaseolin or chlorogenic acid; the sodium glucose transporter inhibitor is extracted from phlorizin; the phlorizin is extracted from lithocarpus polysachyus rehd, branches or leaves of a fruit tree. On the one hand, the composition provided by the invention can be used for blocking excessive absorption of the sugar, on the other hand, the composition can be used for inhibiting the sodium glucose transporter in the kidney to control the reabsorption of the glucose so as to ultimately lower blood sugar and balance the blood glucose level within the scope of health.

The invention relates to escherichia coli CGMCC NO.3192 for recombined engineering and a variant thereof. The strain is obtained by integrating gene segments subjected to the recombined engineering, i.e. a regulatory gene araC of the Arabinose ara operon from the escherichia coli, a promoter pBAD of the Arabinose ara operon from the escherichia coli, recombined enzyme genes red alpha, red alpha beta and gam from a gamma bacteriophage, a gene recA and gentamicin resistance gene (Gm) from the escherichia coli, into an endA gene area of a gene group of the escherichia coli DH10B, wherein red alpha, red alpha beta, gam and recA are driven by pBAD induced by arabinose. The recombined enzyme can catalyze homologous recombination among DNA short segments to finish the recombined engineering. The length of the DNA segment is about 50 base pairs. The invention has convenient operation of carrying out the recombined engineering by the strain and high recombined efficiency, thereby becoming the universal strain for the recombined engineering.

The present invention relates to a method for producing a L-arabinose utilizing yeast strain for the production of ethanol, whereby a yeast strain is modified by introducing and expressing araA gene (L-arabinose isomerase), araB gene (L-ribulokinase D121-N) and araD gene (L-ribulose-5-P 4-epimerase) and carrying additional mutations in its genome or overexpressing a TAL1 (transaldolase) gene, enabling it to consume L-arabinose, to use it as the only carbon source, and to produce ethanol, as well as a method for producing ethanol using such a modified strain.

The invention relates to an operon encoding enzymes involved in the utilization of L-arabinose, to the promoter derived therefrom, and to expression systems utilizing the promoter. The promoter is particularly useful for expression of DNA sequences in prokaryotes because of their inducibility and repressibility of the promoter. The invention also relates to the enzymes of the operon, and antibodies thereto.

The invention provides a method for producing aromatic aldehyde by degrading lignin separated and coupled from a cellulose component. The method comprises the following steps: 1) performing pretreatment on a lignocellulose raw material through a diluted acid method to remove more than 80% of hemicellulose and obtain acid hydrolysis residue; 2) based on a perovskite type composite oxide as a catalyst and the acid hydrolysis residue obtained in the step 1) as the raw material, performing lignin wet-process oxidation reaction under alkaline conditions to degrade the lignin and further produce an aromatic aldehyde type compound, and performing solid-liquid separation after reaction to finally obtain the cellulose with the purity of not less than 80%. In the method provided by the invention, after the pretreatment is performed on the lignocellulose raw material through the diluted acid method, the obtained liquid glucose can be used for preparing xylose, xylitol, arabinose and other sugar alcohol products; and the lignin wet-process oxidation reaction is further performed on the acid hydrolysis residue under the alkaline conditions to obtain the high-purity cellulose and the aromatic aldehyde type compound so as to realize the all-component utilization of the lignocellulose raw material and have economic and social benefits.

The invention provides a preparation method of L-arabinose, comprising the following steps: a reduction of glucose content; b refinement of xylose mother liquor; c concentration and deoxygenation; d chromatographic fractionation; finally L-arabinose being obtained from the xylose mother liquor. The L-arabinose is obtained form the xylose mother liquor as by-product of crystal xylose from the agricultural waste. The process is simple, the operation is easy and the addition value of the xylose mother liquor is greatly increased and the production cost of L-arabinose is reduced; the chromatographic separation device uses the market chromatographic fractionation resin applied and tested by a large number of industrial applications without special device and the separation effect is good and the production process is in full automatic control and the labor intensity is low and the production site is small.