60results about How to "Low pigment content" patented technology

The invention discloses a soothing repair serum containing a bifida ferment lysate. The soothing repair serum is prepared from, by weight, 1-10 parts of polyhydric alcohol, 1-10 parts of a moisturizing agent, 0.5-10 parts of a skin moisturizing agent, 0.5-5 parts of an emulsifying agent, 0.1-2 parts of a thickening agent, 0.1-2 parts of a pH adjusting agent, 0.1-5 parts of an anti-allergy soothingagent, 0.1-10 parts of a skin conditioning agent, 0.1-1 part of a preservative, 0.01-0.05 pat of essence and the balance deionized water, wherein the sum of the weight parts of all the components is100. The soothing repair serum can obviously reduce wrinkles, reduce the content of pigment, improve the glossiness of skin, brighten the skin color, improve the skin elasticity, repair the skin barrier and reduce moisture loss; the soothing repair serum is free of irritation to the skin, has the functions of preventing skin aging and perpetually moisturizing the skin and makes the skin in a healthy natural bright white status.

The production of functional red rice powder with high color number and without citrinin belongs to the field of red rice product producing technology. The functional red rice powder is produced with monascus strain No. 9901 or 9906 liquid culture seed and grain material culture medium and through inoculation of liquid seed, solid fermentation at 25-32 deg.c temperature and 60-90 % humidity for 2-3 weeks, sterilization, stoving and milling. During the production, liquid fermentation process may be also adopted. The product has color number of 200-600 U / g and content of functional componentMonacolin K 4-12 g / kg with Monacolin K in open ring structure accounting for 70-90 %, and no toxic matter citrinin. The product may be used as food additive or fixing safely.

The invention belongs to the field of cosmetics, and particularly relates to a composition containing bifida ferment lysate and a preparation method and application of the composition to the cosmetics. The composition includes a bifida ferment lysate composition, a peptide composition and a rice extract, and the composition is prepared from the following components in parts by mass: 1-40 parts ofthe bifida ferment lysate, 1-20 parts of the peptide composition, and 1-20 parts of the rice extract, and the composition further includes 1-20 parts of a moisturizing composition, and the bifida ferment lysate composition includes bifida freeze-dried powder, and a bifida freeze-dried powder lyase solution. The composition containing the bifida ferment lysate has the beneficial effects that a formula is reasonably set, functions are various, wrinkles can be significantly reduced, the pigment content is reduced, skin glossiness is increased, the skin color is brightened, skin elasticity is increased, the skin barrier is repaired, the water loss is reduced, the composition has no stimulation to the skin, and at the same time, the composition has the functions of preventing skin aging and keeping moisture for a long time, and makes the skin obtain a healthy and natural bright white state.

The invention discloses high-pigment-content pure oil non-emulsification cosmetic color paste and a preparation method. The color paste is prepared from, by weight, 65-85% of pigment, 0.2-2% of a dispersing agent, 0.2-2% of stabilizer and 12-35% of grease. The high-pigment-content pure oil non-emulsification cosmetic color paste is characterized in that the pigment content is high, and the color paste belongs to pure oil non-emulsification color paste. The utilized pigment, the grease, the dispersing agent and the stabilizer are all raw materials which are allowed to be used by a China Cosmetic Ingredient Dictionary, a product is high in solid content, high in covering power, good in stability, high in safety, convenient to use, free of water, easy to add, easy to scatter, simple in preparation process and easy to produce, is the best substitute of traditional powdery pigment and is suitable for the field of cosmetics, food and the like.

The invention provides a method for extracting citric acid and / or sodium citrate from fermentation liquor by an extraction method. In the method, a mixed solution of tertiary amine and high alcohol is used as a complex extracting agent for carrying out multilevel cross-flow extraction on citric acid fermentation liquor, and pure water and / or a NaOH aqueous solution is selected to carry out back extraction on an extraction phase. A more ideal extraction distribution coefficient can be reached by using the mixed extracting agent of the tertiary amine and the high alcohol to extract a filter-press clear citric acid solution, and the extraction yield by utilizing the multilevel cross-flow extraction can reach more than 98 percent. The extraction phase is back extracted by utilizing the pure water or the NaOH solution so as to prepare citric acid and sodium citrate aqueous solutions being suitable for concentration and crystallization.

The invention relates to a method for extracting L-valine by combining membrane separation and industrial chromatography separation, belonging to the field of biochemical engineering. The method comprises the steps: (1) thalli is removed by fermentation liquor; (2) inorganic salt and other amino acids are efficiently separated by industrial chromatography; (3) impurity and pigment are removed by the fermentation liquor; (4) the fermentation liquor is concentrated and crystallized, etc. The method has the characteristics of mild reaction condition, simple and convenient operation, less separating steps, good selectivity, clean production and the like, overcomes the defects of lower yield, large sewage discharge capacity and high production intensity in the prior art, and ensures the yield and quality of the L-valine to be obviously improved.

The invention provides a preparation method of plant health-care cool tea, comprising the following steps of: crushing raw materials, then carrying out reflux extraction with a solvent, and then filtering; filtering filter liquor through a micropore, and then carrying out macroporous resin column chromatography; washing with distilled water, and then eluting with an ethanol solvent; filtering thecollected eluent by using a filtering membrane; concentrating and drying the filter liquor to obtain extractum; and carrying out blending, acid regulation and sterilization to obtain the plant health-care cool tea. The extractum extracted by the method has high purity and yield; in addition, the plant health-care cool tea prepared from the extractum has the advantages of pure color, translucent crystal, stable property and little damage to nutrition constituents.

The invention discloses a method for separating and purifying recombined hirudin suitable for industrial production and belongs to the field of biotechnological pharmaceutics. The method comprises the following steps: taking HV3 glycerinum strain for culturing and fermenting, thereby acquiring fermentation liquor; centrifuging the fermentation liquor, thereby acquiring fermentation liquor supernate; adjusting pH of the fermentation liquor supernate with 12M hydrochloric acid; and putting into a fermentation tank and heating, thereby effectively removing impure protein, greatly reducing the difficulty of the subsequent purifying process and increasing the maneuverability of the large-scale production process. The fermentation liquor is taken out from the tank and is placed at 2-8 DEG C, and then a method for filtering through a filter is adopted, so that the impure protein and lipid matters are removed and the maneuverability of the large-scale production process is promoted. The separating and purifying process designed according to the structural characteristics of hirudin provided by the invention is capable of effectively increasing the protein purity and greatly reducing the pigment content; the process is simple and convenient in operation; and the cost is lower.

The invention discloses ulva fasciata polysaccharide and application thereof. The ulva fasciata polysaccharide is prepared by the following steps: performing an ultrasonic auxiliary water extract and alcohol precipitation process on washed ulva fasciata as a raw material, thereby obtaining crude ulva fasciata polysaccharide; decoloring and removing protein from the crude ulva fasciata polysaccharide by using a radial flow chromatographic column by tan ion exchanger A103S as a packing; separating and purifying the crude ulva fasciata polysaccharide of which the color and the protein are removed by using the radial flow chromatographic column by taking Sephadex-G100 as a packing, thereby obtaining pure ulva fasciata polysaccharide with uniform molecular weight. The method for preparing the ulva fasciata polysaccharide has the characteristics of environment protection, rapidness, high efficiency and low cost, and is applicable to on-scale production; the contents of protein and the pigment in the prepared ulva fasciata polysaccharide are both relatively low, the relatively high purity is achieved, the molecular weight distribution is concentrated, the moisture absorption and retention property is improved, and the result that of ulva fasciata polysaccharide has the shearing thickening property is found for the first time. Therefore, the ulva fasciata polysaccharide disclosed by the invention can be used as a moisture absorption and retention agent or a thickening agent.

The invention discloses a method for extracting and separating L-valine from fermentation liquor by employing membrane separation and electroosmosis combined technology and belongs to the technical field of biochemical engineering. The method comprises the steps of (1) removing thallus from fermentation liquor; (2) carrying out electroosmosis to clear fermentation liquor to remove inorganic salt; (3) removing small-molecule protein and pigment impurities form clear desalted liquid; (4) carrying out preconcentration to the fermentation liquor with reverse osmosis membrance, and (5) concentrating and crystallizing the fermentation liquor. The method disclosed by the invention has the characteristics that the condition is mild, the operation is simple, the separation steps are less and the selectivity is good; the defects of low yield, large sewage discharge and high production intensity of the existing ion exchange technology are overcome, and the yield and quality of the L-valine are significantly improved.

The invention relates to the technical field of optical thin film, in particular to a reflecting film applied in a backlight system with a liquid-crystal display as well as a manufacturing method thereof. In order to solve the problems of low brightness and low stiffness in the existing optical thin film, the invention provides a laminated composite reflecting film and a manufacturing method thereof. The reflecting film is of an ABA-type three-layer co-extrusion structure, wherein the layer B is provided with several stratified structures. Moreover, the layer A is prepared from, by weight, 78%-98.9% of matrix resin, 1%-20% of inorganic particle and 0.1%-2% of antistatic agent, meanwhile, the layer B is prepared from, by weight, 70%-90% of matrix resin, 5%-20% of incompatible resin and 5%-10% of white inorganic stuffing. The laminated composite reflecting film has the advantages of great brightness, good stiffness and less production cost due to less content of white inorganic pigments.

The invention relates to a method for purifying a glucosamine hydrochloride mother liquid. The method provided by the invention has the advantages of high extraction ratio, high product purity, no byproduct generation and the like; as adsorbing waste water and washing waste water can be reused, the method low in environmental pollution, and is suitable for industrialized production.

The invention discloses a preparation method for a whitmania pigra Whitman polypeptide zinc chelate possessing antibacterial activity. The method comprises the following main steps: (1) degreasing whitmania pigra Whitman tissue; (2) performing enzymolysis on whitmania pigra Whitman protein; (3) separating whitmania pigra Whitman polypeptide; (4) performing chelation reaction on whitmania pigra Whitman polypeptide subjected to enzymolysis and zinc sulfate heptahydrate; and (5) performing alcohol precipitation separating and washing on the chelation reaction product. The prepared whitmania pigra Whitman polypeptide zinc chelate possesses relatively high yield and chelation rate, and oxford-cup-method bacteriostasis detection test proves that the whitmania pigra Whitman polypeptide zinc chelate possesses obvious antibiosis biological activity on escherichia coli and bacillus subtilis, and possesses great application prospect in the field of food and medicines.

The invention relates to a puffed floating compound feed for preventing flesh color of ietalurus punetaus from yellowing and a production process thereof, and belongs to the technical field of breeding of aquatic products such as fishes. The feed disclosed by the invention comprises the following raw materials in parts by weight: 8-10 parts of fish meal, 20-25 parts of bean pulp, 20-25 parts of rapeseed meal, 8-10 parts of rice protein powder, 18-22 parts of flour, 8-10 parts of rice bran, 1-1.5 parts of monocalcium phosphate, 1-2 parts of soybean oil, 0.15-0.3 part of choline chloride, 1-2 parts of bentonite, 0.1-0.3 part of lysine hydrochloride, 0.1-0.3 part of a mildew preventive, 0.02-0.05 part of L-carnitine, 0.02-0.05 part of an antioxidant compound, 0.3-0.5 part of compound vitamin premix and 2-3 parts of compound trace element premix. By adjusting the feed formula structure, the feed achieves the effects of optimizing feed ingredients, enhancing fish immunity and intestinal health, promoting digestive absorption and muscle deposition and improving the muscle quality; and finally, the muscle yellowing ratio of the ietalurus punetaus under normal water quality and high-density feeding conditions can be reduced, the economic losses are reduced, and the economic benefits are improved.

The invention provides a passion fruit peel dietary fiber, a passion fruit sauce and a preparation method of the passion fruit peel dietary fiber and passion fruit sauce. The preparation method of thepassion fruit peel dietary fiber comprises the following steps of (1) selection and cleaning, (2) primary drying, (3) primary smashing, (4) extraction, (5) secondary drying and (6) secondary smashing. The preparation method has the advantages that an ethyl alcohol extraction process combining addition of citric acid with ultrasonic is adopted, and more fat-soluble mineral elements, proteins, lipids, pigments and other ingredients in peel are removed during many times of extraction, so that the obtained passion fruit peel dietary fiber is low in impurity content and high in fiber purity; the fruit peel dietary fiber is added into the passion fruit sauce to increase the dietary fiber content in juice, so that the nutrition of the fruit sauce is more comprehensive and plentiful; the added dietary fiber is extracted from the passion fruit peel and is light in color and free from extraneous odour, so that the passion fruit sauce remains original colour, lustre and special flavour of the passion fruit pulp, and is attractive in colour and pleasant in aroma.

The invention discloses a method for extracting and separating L-leucine by using a combined technology of membrane separation and electrodialysis, and belongs to the technical field of biochemical engineering. The invention comprises the following steps: (1) removing thallus from fermentation liquid; (2) removing inorganic salt through electrodialysis; (3) removing inorganic salt clear liquid and small-molecule impurities; and (4) concentrating and crystallizing the fermentation liquid. The method has the advantages that the condition is mild, the operation is simple and convenient, the separation steps are less, the selectivity is good, and the production is clean, overcomes the defects of low yield, large sewage discharge amount and high production strength in the conventional ion exchange technology, and improves the yield and the quality of L-leucine remarkably.

The invention relates to a radial flow chromatographic separation and purification method for biological polysaccharide, which comprises the following steps of: centrifuging a medical fungi liquid fermentation product or a mycelium (fruiting body) enzymolysis product and collecting supernatant or collecting supernatant which comprises polysaccharide and is extracted from plants, animals, bacteriaand yeast; directly loading the supernatant on a macroporous resin radial chromatographic column of 500ml at the flow rate of 60 to 120ml per minute; eluting the macroporous resin radial chromatographic column by using distilled water or deionized water at the flow rate of 50 to 200ml per minute; and collecting 500 to 800ml of eluent, namely solution containing purified polysaccharide. The polysaccharide is directly separated and purified from the enzymolysis supernatant and the fermentation supernatant of the medical fungi mycelium and the supernatant extracted from the plants, animals, bacteria and yeast by a one-step method; and the biological polysaccharide separation and purification method has the advantages of simple process, convenient operation, no use of an organic solvent, highproduction efficiency and obvious purification effect.

The invention relates to the field of microbial fermentation, and in particular to an ethanol-pullulan coupled two-step fermentation method. The ethanol-pullulan coupled fermentation method mainly comprises the following steps: alcohol fermentation, preparation of culture media by using an alcohol stillage liquid, and pullulan fermentation and extraction. The method comprises the following steps in detail: firstly utilizing a corn raw material to perform alcohol fermentation, stilling the fermentation liquor to obtain ethanol, collecting the alcohol stillage liquid, simply processing the alcohol stillage liquid, using the processed alcohol stillage liquid as the pullulan culture media to ferment, and finally, utilizing the obtained ethanol to perform pullulan extraction. Through the adoption of the ethanol-pullulan coupled fermentation method, the transportation cost of the ethanol can be saved, the remained nutrients in the alcohol stillage liquid is fully recycled, water dosage and generation of pigments in the pullulan fermentation process are reduced, and furthermore, the production cost is reduced.

The invention discloses rhodotorula, a culture method thereof and an application of the rhodotorula in production of biolipid. The rhodotorula U13N3 disclosed by the invention is preserved in China Center for Type Culture Collection, and the preservation number is CCTCC NO: M 2019503. The rhodotorula U13N3 is characterized in that the carotene production capacity is lost, and bacterial colonies are off-white on a yeast extract-peptone-glucose-agar culture medium. The rhodotorula U13N3 can be fermented by utilizing various carbon sources, and when glycerol is used as a carbon source to be cultured at 37 DEG C, the intracellular grease content can reach 65% of the dry weight of thalli. The rhodotorula U13N3 is wide in environmental adaptability, can utilize various cheap carbon sources to produce biolipid at high yield, does not contain pigments in cells, is beneficial to reducing the impurity content during grease extraction and improving the grease quality, and has a good application prospect.

The invention relates to an efficient amino acid fermentation liquor low-temperature pressurization sterilization method, which comprises the following steps of: sterilizing an amino acid fermentation liquor under the conditions that the pressure is 0.1-0.4 MPa and the temperature is not higher than 80 DEG C to prepare the amino acid fermentation sterilization liquor. According to the sterilization method, the viable count is 0, the sterilization temperature is low, the energy consumption is low, the light transmittance of the sterilization fermentation liquid is improved, the pigment content in the fermentation sterilization liquid is reduced, decolorization treatment is facilitated, the cost is remarkably reduced, and the sterilization method is suitable for industrial production.

The invention discloses a production method for compound yellow rice wine saccharomycopsis. In a production process for yellow rice wine yeasts, corn starch is adopted as a carbon source, and food-grade raw materials are adopted as nitrogen and phosphorus sources; 0.1 to 0.2 percent of potassium, calcium and magnesium ions are added, and 10 to 100 PPM of vitamin is added; high-alcohol-content yeast cream accounting for 40 to 50 percent of the total weight of the yeasts is added into yeast cream prepared by fermentation for mixing and compounding; the compounded yellow rice wine yeast cream is filtered, granulated and dried to finally obtain high-activity dry yeasts with dry substance content of 94 to 96 percent. The method is unique; multiple strains are fused, so that pure flavor, stable quality and high wine yield are achieved; the pigment content is low, so that difficulty in the treatment of production waste liquor is remarkably lowered; after the high-alcohol-content yeast cream is added into the yeast cream, the filtering efficiency is improved, and the water content of fresh yeasts can be controlled to be lower than 65 percent; the drying dehydration speed is increased, the survival cell rate of the yeasts can be ensured to be over 75 percent, and the wine yield is over 15.5 percent; the drying efficiency is remarkably improved, the comprehensive cost is remarkably lowered, and high popularization and application value is achieved.

A method of preparing xylitol by utilization of winter bamboo shoot shells is disclosed. The method includes: hydrolyzing the raw material winter bamboo shoot shells with sulfuric acid, neutralizing the obtained hydrolysate with CaCO3 emulsion to obtain a sugar solution, concentrating the sugar solution, decolorizing the sugar solution with activated carbon, purifying the sugar solution further by ion exchange, performing a hydrogenation reaction, concentrating the obtained hydrogenated sugar solution, crystallizing, separating to obtain a product that is the xylitol, and recovering the mother liquor. The method adopts the winter bamboo shoot shells as the raw material to prepare the xylitol and is simple in process, efficient and low in cost.

The invention relates to the field of EPA extraction, in particular to an EPA extract and a preparation method and application thereof. The method comprises the following steps: (1) in the presence ofa grinding medium, contacting an alga raw material with an extracting solution and / or a phase splitting solvent, and conducting oscillating to realize wall breaking treatment; and (2) in the presenceof the phase splitting solvent, carrying out split-phase extraction on a wall-broken product obtained in the step (1) to obtain a first raffinate phase and a first extraction phase, thereby obtaininga fatty acid-rich extraction phase containing the first extraction phase. According to the method, the purpose of improving the extraction efficiency of algal EPA can be achieved, and the extract with low protein and pigment content and high EPA content can be obtained.

The invention discloses high-pigment-content pure oil non-emulsification cosmetic color paste and a preparation method. The color paste is prepared from, by weight, 65-85% of pigment, 0.2-2% of a dispersing agent, 0.2-2% of stabilizer and 12-35% of grease. The high-pigment-content pure oil non-emulsification cosmetic color paste is characterized in that the pigment content is high, and the color paste belongs to pure oil non-emulsification color paste. The utilized pigment, the grease, the dispersing agent and the stabilizer are all raw materials which are allowed to be used by a China Cosmetic Ingredient Dictionary, a product is high in solid content, high in covering power, good in stability, high in safety, convenient to use, free of water, easy to add, easy to scatter, simple in preparation process and easy to produce, is the best substitute of traditional powdery pigment and is suitable for the field of cosmetics, food and the like.

The invention relates to a method for purifying a glucosamine hydrochloride mother liquid. The method provided by the invention has the advantages of high extraction ratio, high product purity, no byproduct generation and the like; as adsorbing waste water and washing waste water can be reused, the method low in environmental pollution, and is suitable for industrialized production.

The invention relates to the technical field of chicken feeds, and particularly discloses a feed free from corn for yellow feather breeding broilers. The feed is prepared from 500-600 parts of sorghum, 80-180 parts of barley with hulls, 130-200 parts of soybean meal, 0-60 parts of puffed soybeans, 10-20 parts of four-grade soybean oil, 60-90 parts of shell powder, 7-15 parts of calcium hydrogen phosphate, 0.5-2 parts of lysine, 0.5-2 parts of solid methionine, 0.5-1.5 parts of choline chloride, 0.5-2 parts of xanthophylls, 5-10 parts of a premix, 0.05-0.1 part of a VE-VC premixing agent, and 0.5-1 part of composite organic trace elements. According to a formula of the feed for breeding broilers disclosed by the invention, the sorghum and the barley are used for completely replacing the corn, and the dosage of the soybean meal is reduced, so that the feed can reach the same effects as those of corn type daily ration.

The invention belongs to the field of organic chemical component extraction, and particularly relates to a cistanche effective ingredient extraction and enrichment technology. According to the specific technical scheme, according to a cistanche effective ingredient extraction and enrichment process, a hot reflux extraction method is adopted, an ethanol solution is adopted as an extraction medium, extraction is performed for three times, extraction is performed for 2 h each time, and the material-liquid ratio of each time is 1:10-1:14; and tandem enrichment is carried out by using AB-8 type macroporous resin and ADS-7 type macroporous resin. The invention provides the cistanche effective ingredient extraction and enrichment method suitable for industrial production, and the method has the advantages of good extraction and separation effects, simple and feasible process and low pigment content, and is expected to be used in the field of food processing.

In the method for decolorizing a vegetable wax, a vegetable wax raw material dissolved in an organic solvent is contacted under pressure with a nanofiltration membrane having a higher rejection for a pigment, contained in the vegetable wax raw material, than for the wax components, providing a permeate containing decolorized wax and enriching the pigment in the retentate.