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

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 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 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 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 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 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 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.