38results about How to "Efficient extraction process" patented technology

The invention relates to a process for continuously extracting a plurality of products from highland barley, which comprises the following steps: (1) pulverizing highland barley raw material and screening highland barley flour and highland barley bran; (2) extracting and centrifugalizing the highland barley flour by alkaline solvent, collecting supernate and depositing and extracting albumen powder by acid; washing, freezing and drying the sediment at low temperature to obtain highland barley starch; (3) after the highland barley bran is extracted by a supercritical carbon dioxide technology or quenched by small polar solvent, obtaining highland barley bran oil; (4) after the degreased bran is ultrasonically extracted or stewed and centrifugalized by taking water as solvent, respectively obtaining powder containing highland barley beta-glucan and concentrated solution containing highland barley flavone and amino acid; and (5) after residues obtained in the step (4) are dried and pulverized in an ultramicro way, obtaining highland barley water insoluble fiber albumen powder. The process can continuously obtain six highland barley deep-processing products, effectively improves the utilization ratio of the highland barley and increases the utilization value of the highland barley.

The invention discloses a preparation method of raw powder of each gram of bacillus subtillis with five hundred billion of live germs, which comprises the following steps: (A) the screening of a Bs strain: collecting a sample from soil and water; weighing the sample on a sterile and ultraclean table and then loading the sample in a small triangular flask; adding sterile water into the triangular flask and standing still the sample; (B) the confirmation of the Bs strain: carrying out molecular classification according to a 16S rDNA sequence and together testing effective basic groups of the 16S rDNAs of the strain and identifying the strain; (C) a culture medium of the Bs: utilizing a single factor experiment to select a factor from numerous carbon sources, nitrogen sources and trace element factors firstly by adopting a response surface experiment designed by Box-Behken and using the germ number as a screening index; (D) using a high-density liquid feed-batch fermentation technology for improving the quantity of fermentation organisms so as to use the culture medium of a response surface method to carry out batch fermentation by using a fermentation early phase, an exponential phase, a stationary phase OD, dissolved oxygen, pH and germ numbers as indexes; (E) carrying out a germ extraction and recovery process; and (F) detecting the number of live germs. The number of the live germs in raw medicine prepared by the process of the bacillus subtillis reaches five hundred billion/gram.

The invention provides a method for smelting high-purity nickel-molybdenum alloy by using complex nickel-molybdenum ore. The alloy comprises the following components in percentage by mass: 8 to 30 percent of Ni, 10 to 30 percent of Mo, less than or equal to 0.5 percent of Si, less than or equal to 0.5 percent of C, less than or equal to 0.1 percent of Cu, less than or equal to 0.03 percent of P, less than or equal to 0.03 percent of S, and the balance of iron. According to the characteristic that the complex nickel-molybdenum ore is difficult to separate, the high-purity nickel-molybdenum alloy is smelted by adopting the routes of oxidizing and roasting nickel-molybdenum sulfide type mineral to remove sulfur, reducing and smelting high-alkalinity slag to obtain crude alloy, refining high-alkalinity weak oxidative slag to remove silicon and phosphorus and treating and refining Ba-Ca in vacuum to deeply remove phosphorus, sulfur and oxygen; the alloy can be used for nickel-molybdenum alloying and alloying of high nickel-molybdenum alloy steel in high-purity steel production, and has the advantages of high purity, no pollution, good alloying effect and the like; and the method has the characteristics of pure fire method, greenness, no pollution, simplicity in process and the like, realizes efficient utilization of the difficultly separated complex nickel-molybdenum ore, and is worthy of popularization.

The invention discloses a BIM model external contour rapid extraction method. The method comprises: S1, taking out three-dimensional graph data of an original BIM model and constructing a graph colormapping table; S2, performing dimension reduction processing on the three-dimensional graph data, converting the three-dimensional graph data into point data, and storing the point data in a dimensionreduction point array; S3, according to the point data stored in the dimensionality reduction point array, constructing a dimensionality reduction polygon and determining an external cube of the dimensionality reduction polygon; S4, shooting each surface of the external cube through a virtual camera to obtain a corresponding picture and an RGB value of each component pixel of the picture; and S5,according to the RGB value in each picture, obtaining graphic information in the image color mapping table, and determining an external contour of the BIM model. According to the method, external cubes of different BIM models can be rapidly extracted in batches, almost no manual intervention is needed, the BIM model contour extraction process is rapid, efficient and high in accuracy, and meanwhile data management is facilitated by using computer storage.

The invention provides an extracting and detecting method for flavonoid in radix sophorae subprostratae. The flavonoid to be detected is lupinifolin and radix sophorae subprostratae chroman flavanone C which are respectively called flavone 1 and flavone 4 for short. The extracting and detecting method disclosed by the invention creatively combines a matrix solid-phase dispersion extraction technology with a reverse micro-emulsion electrokinetic chromatography technology, utilizes combination of an offline enrichment technology and an online enrichment technology to achieve secondary enrichment of the flavonoid in the radix sophorae subprostratae and is beneficial to quantitative detection of the flavonoid in the radix sophorae subprostratae. Furthermore, the extracting and detecting method disclosed by the invention is implemented in a microscale system, the used medical materials and experiment drug reagents are all in a microgram level, the use amount of harmful chemical reagents is small, and safety, economical performance and environmental friendliness are achieved.

The invention belongs to the field of health care products, and particularly relates to an alcohol-free large-tonifying beverage extracted through medium-and-low-temperature composite enzymatic hydrolysis and a preparing method thereof. The alcohol-free large-tonifying beverage is formed by evenly mixing concentrated liquor of cordyceps sinensis, lucid ganoderma and corn cervi pantotrichum and nourishing-auxiliary-material extracting liquid according to a certain proportion. According to the alcohol-free large-tonifying beverage extracted through medium-and-low-temperature composite enzymatichydrolysis and the preparing method thereof, water serves as a solvent, three raw materials of cordyceps sinensis, lucid ganoderma and corn cervi pantotrichum are mixed and subjected to wall breaking,and then the alcohol-free large-tonifying beverage is extracted with the biological enzymolysis method with the mild and efficient technology condition in a same system. In the extracting process, dual-step compound enzymic hydrolysis through non-protease and protease is conducted, the obtained extracted does not contain alcohol substances, bioactive constituents in the raw materials are well reserved. The compound biological-activity health care beverage prepared with the method has high nourishing ingredients and a healthcare function, and is suitable for recuperating persons, old people and weakness-due-to-chronic-disease persons to take.

The invention discloses a full-automatic dynamic solid-liquid separation extractor comprising an extracting tank, a temporary storage tank of extract, a heat exchanger, a temperature control device of the heat exchanger, a gas-liquid separator, a recovered solvent condenser and a computer control system, wherein the extracting tank is in inverted cone shape; the upper part of a tank body is provided with a feed hopper and an upper liquid in-out port, and the bottom of the tank body is provided with an automatic deslagging door which is provided with a lower liquid in-out port; the upper part of the liquid in-out port of the automatic deslagging door is provided with a metal screen; and the extracting tank, the temporary storage tank and the heat exchanger form the external recycle system of extract by a circulating pump and a pipeline. The whole working process is finished by a computer control system. An external automatic control and circulation system of extract temperature is used to quickly heat extract in the extracting tank to the required extracting temperature to automatically keep temperature; concentration difference between material and extract liquor is minimized so as to effectively avoid the problems of overheating, coking, binding and the like which are produced by direct contact of solid material and heating surface and are unfavorable for extract quality. The invention has the advantages of high extraction efficiency, high leaching speed, high complete-extraction rate of effective ingredient, small draining coefficient, low-temperature leaching, even heating, energy saving and the like.

The invention provides a preparation method of litsea cubeba fruit essential oil with antibacterial activity. The litsea cubeba fruit essential oil with antibacterial activity mainly comprises 56.60%of citral, 22.95% of Limonene, 7.95% of pinene, 2.81% of laurene, and 1.44% of linalool. According to the preparation method, microwave assisted extraction technology is adopted, an extracted productcan be obtained through destroying gland cells in litsea cubeba fruit skin tissues. In the preparation method, air drying, crushing, and sieving of the litsea cubeba fruit raw material are not needed,essential oil loss can be avoided as far as possible, and at the same time, cost is reduced; and in addition, the microwave assisted extraction technology, so that extraction efficiency is increasedgreatly, and cost is reduced.

The invention discloses a method for rapidly extracting high molecular weight silk fibroin, which is characterized in that a pair of silk gland is removed from maturated insect, epithelial tissue on outer layer is removed to obtain a segment of clear and transparent band, the band protein is immersed in deionized water or PBS for rinsing and removing sericin, and thereby the silk fibroin is obtained. The method has the advantages of simple operation, short production period, simple extraction process and high efficiency, complex and tedious material extraction process is not required, and time is greatly saved. In the method, no other toxic chemical reagent is used during the extraction process, the preparation condition is mild, cost is greatly reduced, other waste is not generated, and zero pollution is generated for environment.

The invention discloses a method for detecting the content of carbaryl in food by combining liquid phase micro-extraction with thread microfluid colorimetry. The method comprises the following steps of: 1) treating a cotton thread into neutral, then performing fixing and wetting, and adding a diazonium salt; 2) crushing a to-be-detected sample, performing extracting to obtain an extracted solution, and performing filtering with a filter membrane; (3) sequentially adding carbonate, an extracting agent and citric acid into the extracted solution, carrying out centrifugal treatment, and taking anupper-layer organic phase; 4) dripping the organic phase onto the cotton thread, photographing the cotton thread, and calculating RGB intensity according to a formula 1); and 5) preparing carbaryl standard solutions with different concentrations, drawing a standard curve by taking the concentrations of the carbaryl standard solutions as the abscissa and taking the RGB intensity as the ordinate according to the RGB intensity corresponding to the carbaryl standard solutions obtained in steps 3) and 4); and according to the standard curve and the RGB intensity determined in step 4), acquiring the concentration of carbaryl in the to-be-detected sample. According to the method provided by the invention, the reagents used in the method are green and environmentally friendly, the operation process is simple and rapid, the experiment result is accurate and reliable, and remote and on-site rapid detection can be achieved.

The invention discloses a method for improving biological mineralization capacity of silk fibroin. The method comprises the steps of through a bacteriophage displaying technique, displaying polypeptide having a mineralization adjusting and controlling function on the surface of capsid protein of bacteriophage, preparing bacteriophage nanofibers displaying a mineralization inducing function, and forming a mineralization type bacteriophage solution; performing amplification, performing purification and concentrating the mineralization type bacteriophage solution; and adding the mineralization type bacteriophage solution to a silk fibroin solution for assembly so as to obtain modified silk fibroin. The modified silk fibroin obtained by the method disclosed by the invention has more excellentcapacity for adjusting and controlling nucleation and growth of a mineralizer than silk fibroin which is not improved, the modifying method is simple to operate and effective, the modifying technologyis efficient, the production cycle is greatly shortened, and the method has the advantage that the modified silk fibroin can be obtained in a large-scale manner.

The invention relates to the technical field of deodorant, and in particular, relates to an odor improver capable of releasing fragrance and deodorizing. The odor improver comprises a deodorant havingan invaginated mold cavity on the upper surface and an aromatic volatile matter filled in the deodorant, and an isolation membrane is arranged on a contact surface of the deodorant and the aromatic volatile matter; the deodorant is prepared from an adsorptive material. The aromatic volatile matter comprises the components: agar powder, an emulsifier, a muskmelon flavoring agent, a condensation auxiliary agent, a preservative and deionized water. The muskmelon flavoring agent is extracted from cucumis melo and includes a first aromatic extract composed of glycosides, furans, aldehydes and sulfur compounds, and a second aromatic extract composed of a variety of esters. The odor improver can adsorb undesirable odor and volatilize aromatic odor at the same time. The effects of deodorization and odor improvement are good. The volatilized aromatic odor is muskmelon aroma and is quite fragrant.

The invention relates to a preparation method of a traditional Chinese medicine composition capable of diminishing inflammation and relieving pain. The traditional Chinese medicine composition is composed of following medicinal ingredients, by weight, peach kernel, safflower carthamus, radix paeoniae rubra, herba lycopi, liquorice, leech, angelica sinensis, radix aucklandiae, pericarpium citri reticulatae viride, ligusticum wallichii, radix rehmanniae recen, and pseudo-ginseng. The preparation method is simple, scientific, and convenient for operation; and granule and capsule preparations can be prepared finally.