12 results about "Microcrystalline cellulose" patented technology

A particulate co-processed composition comprising microcrystalline cellulose and at least one sugar alcohol is disclosed. A preferred sugar alcohol is mannitol. The composition has an improved compactability profile, lubricant sensitivity, and ejection profile compared to microcrystalline cellulose and the at least one sugar alcohol, either alone or in combination as a simple dry blend, in the preparation of solid dosage formulations, such as tablets. Tablets comprising the particulate co-processed composition, an active, and, optionally, one or more other excipients, and method for their preparation, are also disclosed.

A chewing spirulina tablet is prepared from spirulina and two or more of dextrin, microcrystalline cellulose, mannitol, xylitol, aspartame, glycyrrhizin, essence powder, superfine silica gel powder, and magnesium stearate through mixing, granulating by use of alcohol solution containing polyvitone K30, drying and die pressing.

The invention discloses a method for preparing pharmaceutical-grade microcrystalline cellulose from cotton linter. The cotton linter is cooked, degreased, bleached, purified, hydrolyzed, filtered, washed, dried and pulverized to obtain the pharmaceutical-grade microcrystalline cellulose, wherein, in the procedure of cooking and degreasing, pulping is performed by the cotton linter ethanol method; and a cotton linter ethanol pulp is prepared according to the volume ratio as 1:4-10 of the absolutely dry mass of the cotton linter to ethanol with 55% of mass fraction, and then the pulp is cooked at the temperature of 190-195 DEG C for heat preservation for 30-90 minutes. In the procedure of bleaching and purifying, an EAPP process is adopted, wherein an E section is the alkali treatment section by adopting NaOH; an A section is the acid treatment section by adopting sulfuric acid; and a P section is the H2O2 bleaching section. For the microcrystalline cellulose prepared by the method, the ash content is 0.0375%, the water content is 4.5%, the degree of crystallization is 63.96% and the granularity is 22.72mu m, and the indexes reach the national standard of the pharmaceutical-grade microcrystalline cellulose.

The invention discloses kelp microcrystalline cellulose and a preparation method thereof as well as application of the prepared microcrystalline cellulose. The preparation method of the kelp microcrystalline cellulose comprises the following steps of by adopting waste kelp residues after kelp glue-extracting as the materials, carrying out flocculation collecting, acidification decalcification, alkaline treatment, bleaching treatment, washing, drying and hydrolytic treatment, wherein in the hydrolytic treatment, two different low-temperature cellulases are respectively added according to the addition of 20U/g-30U/g; carrying out enzymolysis for 0.5-12 hours in a water bath of 10 DEG C-40 DEG C; and drying and crushing to obtain the kelp microcrystalline cellulose. According to the preparation method of the kelp microcrystalline cellulose, the production cost is low, the environment pollution is small, the hydrolysis step adopts a double-enzyme jointed enzymolysis technology, the degradation speed is stable, the degraded cellulose is uniform in molecular weight, the cellulose crystalline grains are small and uniform, degradability of the fibers can be effectively controlled, and the microcrystalline cellulose with high purity and high activity is obtained. The kelp microcrystalline cellulose disclosed by the invention is high in cellulose content, high in water holding capacity and expansion force, and can be used for food additive and pharmaceutical adjuvant in the food industry.

The invention discloses a preparation method of a beer bottle sterilizing detergent based on a microcrystalline cellulose/silver composite material. A nanocrystalline cellulose suspension prepared byan enzymatic method is mixed with silver nitrate and then a hydrothermal synthesis reaction is carried out to obtain a nano-silver loaded nano microcrystalline cellulose suspension, a biological surfactant, alkali and other raw materials are added and uniform mixing is carried out to obtain the beer bottle sterilizing detergent. The beer bottle sterilizing detergent prepared by the preparation method not only has the advantages of strong detergency, good anti-dirt redeposition ability, easiness for rinsing and removing dirt, and good cleaning effect on beer bottles, and can reduce scaling of equipment and is favorable for smooth running of a whole system, but also synchronously achieves sterilization and disinfection of the beer bottles with good bactericidal effect, and effectively improves the hygiene performance of the cleaned beer bottles.

The invention belongs to the technical field of materials, and in particular relates to a stainless steel grinding fluid containing silicon oxide and diamond and a preparation method of the stainlesssteel grinding fluid. The stainless steel grinding fluid is prepared from following raw materials by weight percent: 30-60% of silicon oxide fine polishing liquid, 0.5 -2% of diamond powder, 1-5% of microcrystalline cellulose, 0.005-0.02% of a suspending agent, and the balance of water. The stainless steel grinding fluid is uniform and stable, and surface scratches of the polished stainless steelmaterials are reduced and shallow. The grinding fluid has obvious mirror effect, which is favorable for subsequent fine polishing, and can be widely applied to components of precise instruments such as mobile phones.

The invention relates to a multi-layer superposed composite material and a preparation method and application thereof. The multi-layer superposed composite material is prepared by the steps: carrying out mold pressing or extrusion molding on polymethyl ethylene carbonate (PPC)/nano microcrystalline cellulose (CNC), PPC/modified starch (TPS) and a PPC/modified TPS/CNC composite material prepared by melting, into a sheet material, cutting and alternately superposing; and then preparing the multi-layer PPC/modified TPS/CNC composite material with more excellent barrier property and mechanical property by a hot press molding method. The mechanical strength of the full-biodegradable PPC/modified TPS/CNC composite material can be improved through a multi-layer composite superposition molding technology, the shape recovery rate of the material is improved, the water vapor barrier rate of the material is reduced, and the application field is widened. Solvent treatment is not needed in the preparation process, and environmental pollution is avoided.

The invention discloses a conjugated linoleic acid type multifunctional food capable of reducing blood lipid and reducing weight. The multifunctional food is made from the following components in parts by weight: 10-30 parts of conjugated linoleic acid glycerides microcapsule powder, 5-10 parts of cis-9, trans-11-conjugated linoleic acid acyl, 5-10 parts of trans-10, cis-12-conjugated linoleic acid acyl, 10-20 parts of a licorice root extract, 10-20 parts of a green tea extract, 8-17 parts of a spirulina extract, 8-15 parts of functional oligosaccharide, 3-10 parts of dried marine algae powder, 5-10 parts of Konjac powder glucomannan, 2-12 parts of astaxanthin and 1-6 parts of microcrystalline cellulose. The conjugated linoleic acid type multifunctional food disclosed by the invention is simple in preparation technology, has the efficacies of reducing blood sugar, reducing blood lipid, reducing weight and beautifying faces, can be eaten for a long term, is free from toxic and side effects, also has the efficacies of preventing obesity and reducing fat content of abdomens, and besides, also has the advantage of being high in oxidation resistance.

The invention relates to the technical field of drug content detection, in particular to a method for determining the contents of auxiliary materials in a lamivudine tablet. The method comprises the following steps of: S1, measuring the content of carboxymethyl starch sodium in a lamivudine tablet core; S2, measuring the content of magnesium stearate in the lamivudine tablet core; S3, determining the content of lamivudine; and S4, calculating the content of microcrystalline cellulose according to the following formula: the content of microcrystalline cellulose = 100% - the content of lamivudine - the content of carboxymethyl starch sodium - the content of magnesium stearate. The method for determining the contents of auxiliary materials in a lamivudine tablet is simple to operate and high in accuracy, and the method is beneficial for an enterprise to reduce the defective rate of lamivudine tablets, better control the quality of drugs and realize the consistency of the quality and the curative effect of the lamivudine tablets and an original research drug.

The invention discloses a preparation method of a nutrition-balanced slow release fertilizer special for Chinese roses. The preparation method comprises the following steps: mixing sesame seed meal, wheat straw, fermented slaughterhouse waste, turfy soil, fish bone powder, sorghum straw, peanut shell powder and pine needle powder, smashing the mixture, then adding water, and then adding fermentation compound bacteria to allow the mixture to ferment, so that a fermentation material is obtained; and uniformly mixing urea, potassium magnesium sulfate, heavy superphosphate, the fermentation material and trace elements, adjusting water content, adding microcrystalline cellulose and carrageenan, stirring uniformly, and then performing granulation to obtain the nutrition-balanced slow release fertilizer special for the Chinese roses. According to the nutrition-balanced slow release fertilizer special for the Chinese roses, slow release effect is good, nutrient substances are released according to the growth of the Chinese roses, nutrients for the growth of the Chinese roses in a late growth period are replenished, and soils can be effectively improved, permeability of the soils is improved, the growth of the Chinese rose flowers is favored, fertilizer utilization rate is extremely high, and environment pollution is avoided.

The invention discloses a saussurea involucrata tablet candy and a preparation method thereof. Comprising fructo-oligosaccharide, xylitol, a saussurea involucrata culture, mulberry leaves, bitter gourds, pumpkins, onions, shiitake mushrooms, white kidney beans, cordyceps militaris, ginseng, sea cucumber peptide, soybean peptide powder, wheat oligopeptide powder, corn oligopeptide, oyster peptide, black chokeberry, maltodextrin, whey protein powder, coffee, magnesium stearate and microcrystalline cellulose. The candies contain mulberry leaves, white kidney beans, cordyceps militaris, aronia melanocarpa fruits, saussurea involucrata cultures, ginseng, sea cucumber peptides, soybean peptide powder, wheat oligopeptide powder, corn oligopeptide, oyster peptides, aronia melanocarpa fruits, maltodextrin, whey protein powder, coffee, magnesium stearate and microcrystalline cellulose, so that the mouthfeel of the candies is improved, and the candies are rich in nutritional value; the health-care and anticancer effects are achieved, and the curative effects on heart diseases, hypertension and cardiovascular diseases are achieved; after being eaten, the food can enhance immunity, improve resistance and prevent diseases.