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34results about How to "Less content loss" patented technology

Antibacterial and deodorization cellulosic fiber and preparation method thereof

The invention provides an antibacterial and deodorization cellulosic fiber which comprises 1-10wt% of aluminosilicate sustained-release microcapsule and 1-5wt% of bamboo charcoal nano powder, wherein the dry breaking strength of the antibacterial and deodorization cellulosic fiber is 1.80-2.60cN/dtex and the wet breaking strength is 0.90-1.50cN/dtex. A preparation method of the antibacterial and deodorization cellulosic fiber comprises preparation of denatured viscose, spinning and after-treatment, wherein the aluminosilicate sustained-release microcapsule is added in the processes of spinning and after-treatment. The antibacterial and deodorization cellulosic fiber has the advantages that the taking performance is excellent, the spinning performance is good and the antibacterial and deodorization functions are prominent; the bamboo charcoal sizing agent is dissolved and then is added into aluminosilicate powder, and then the bamboo charcoal sizing agent and the aluminosilicate powder are uniformly stirred, so that the aluminosilicate powder is prepared into the aluminosilicate sustained-release microcapsule; the aluminosilicate sustained-release microcapsule is added before the spinning by using a pre-spinning injection manner; in the presence of the microcapsule, the active substance decomposition loss and structure damage caused by the direct contact of the strong acid-base and aluminosilicate are prevented; along with the acid bath forming or friction fracture, the active ingredients of the aluminosilicate microcapsule in the textile are slowly released; the nano charcoal powder adsorbs the peculiar smell, so that the long-term antibacterial and deodorization functions are realized.
Owner:QINGDAO JECELONG HIGH TECH CO LTD

Efficient process for producing stevioside

The invention discloses an efficient process for producing stevioside, and belongs to the technical field of extraction of natural products. The process comprises the following steps of: (1) taking fresh leaves of stevia rebaudiana, grinding the fresh leaves of stevia rebaudiana into paste, and adding water into the paste for extraction to obtain an extract; (2) adding a flocculating agent into the extract, regulating the pH value to be alkaline, performing stirring for flocculation, and conducting filtration to obtain a filtrate; (3) performing adsorption on the filtrate by using macroporousadsorption resin, conducting desorption by using an alcohol solution to obtain a first desorption solution; (4) performing concentration on the first desorption solution, performing desalting and decolorization by enabling the concentrated first desorption solution to pass through cation exchange resin and anion exchange resin, and performing desorption to obtain a second desorption solution; and(5) performing concentration on the second desorption solution, and performing spray drying on the concentrated second desorption solution to obtain the stevioside product. According to the efficientprocess for producing stevioside, since the fresh leaves of stevia rebaudiana are adopted as a raw material, the loss of the content of stevioside during air drying can be reduced, and meanwhile introduction of impurities can be minimized; besides, the obtained product has high content of stevioside, high yield and good quality.
Owner:CHENGUANG BIOTECH GRP CO LTD

Novel processing method of paeonia sterniana medicinal slices

The invention discloses a novel processing method of paeonia sterniana medicinal slices. The method comprises the following steps: (1) impurity removing: sorting the roots of paeonia sterniana and cleaning for later use; (2) pressure-reduced cold soaking and softening: carrying out pressure-reduced cold soaking and softening treatment on the roots of paeonia sterniana; (3) slicing: taking out the roots of paeonia sterniana and cutting into slices with thickness from 1mm to 2mm; (4) drying: drying the slices which are cut well at a temperature of 55 DEG C to 60 DEG C until the content of water in the slices reaches 8% to 12%; (5) packaging: cooling the slices to a room temperature and packaging in a sealing manner. According to the method, the roots of paeonia sterniana are softened via a pressure-reduced cold soaking method, so that the softening efficiency and the softening quality are substantially improved and the production period of the paeonia sterniana medicinal slices is shortened; the softening and soaking processes are both carried out below 30 DEG C, so that the damage to the roots of paeonia sterniana, due to the heating, is avoided, i.e., the loss of paeoniflorin is substantially reduced; any materials are not added during the whole process of the method, so that the medicinal properties of the paeonia sterniana medicinal slices are not changed.
Owner:李时珍医药集团有限公司

Preparation method for tinidazole sodium chloride injection

The invention discloses a preparation method for tinidazole sodium chloride injection, and belongs to the technical field of medicines. The method provided by the invention comprises the steps of slowly adding sodium chloride into water for injection for completely dissolving the sodium chloride, adding active carbon, stirring, decarbonizing and filtering with a polypropylene filter element; adding tinidazole into the water for injection and stirring for completely dissolving, passing through a carbon layer, and filtering with the polypropylene filter element; refilling the water for injection until full dose, stirring and reflowing, adjusting a pH value by using a PH regulator, filtering, filling, pressing plug, capping, sterilizing to acquire the injection. According to the method provided by the invention, filtering time of the tinidazole sodium chloride injection can be effectively reduced by changing a decarbonization mode during a preparation process, impurities in material can be better removed, the situation that related substances are generated due to the fact that the tinidazole cannot be completely dissolved or is long in reaction time under a high temperature condition can also be avoided, improved on stability and safety of products is facilitated. The preparation method provided by the invention is simple in technology, and is applicable to large-scale industrial production.
Owner:兰西哈三联制药有限公司

Processing method for prepared rehmannia roots

The invention provides a processing method for prepared rehmannia roots. The problem that the medicine effect is affected due to the fact that the prepared rehmannia root processing quality is not stable can be effectively solved. The method comprises the following steps of cleaning, wherein by weight, 100 parts of fresh rehmannia roots with the diameter being 3 cm or larger and 10-30 parts of fresh rehmannia roots with the diameter being 1 cm or smaller are cleaned thoroughly with clean water; drying, wherein the cleaned fresh rehmannia roots with the diameter being 3 cm or larger are placed into a microwave vacuum drying device to be dried; slicing, wherein the dried fresh rehmannia roots are cut into slices with the thickness being 4-6 mm; smashing and juicing, wherein the cleaned fresh rehmannia roots with the diameter being 1 cm or smaller is smashed and juiced, the fresh rehmannia root juice is added into the rehmannia root slices and placed into a steamer to be steamed for 1-2 h; the steamed rehmannia root slices are dried, and the rehmannia roots are ripen. The method is simple and easy to implement, losses of the content of the effective component verbascoside are small, the medicine effect is reserved, the clinic requirement for prepared rehmannia root tablets can be effectively met, and the clinical medicine effect is improved.
Owner:HENAN UNIV OF CHINESE MEDICINE

A kind of antibacterial and deodorizing cellulose fiber and preparation method thereof

The invention provides an antibacterial and deodorization cellulosic fiber which comprises 1-10wt% of aluminosilicate sustained-release microcapsule and 1-5wt% of bamboo charcoal nano powder, wherein the dry breaking strength of the antibacterial and deodorization cellulosic fiber is 1.80-2.60cN / dtex and the wet breaking strength is 0.90-1.50cN / dtex. A preparation method of the antibacterial and deodorization cellulosic fiber comprises preparation of denatured viscose, spinning and after-treatment, wherein the aluminosilicate sustained-release microcapsule is added in the processes of spinning and after-treatment. The antibacterial and deodorization cellulosic fiber has the advantages that the taking performance is excellent, the spinning performance is good and the antibacterial and deodorization functions are prominent; the bamboo charcoal sizing agent is dissolved and then is added into aluminosilicate powder, and then the bamboo charcoal sizing agent and the aluminosilicate powder are uniformly stirred, so that the aluminosilicate powder is prepared into the aluminosilicate sustained-release microcapsule; the aluminosilicate sustained-release microcapsule is added before the spinning by using a pre-spinning injection manner; in the presence of the microcapsule, the active substance decomposition loss and structure damage caused by the direct contact of the strong acid-base and aluminosilicate are prevented; along with the acid bath forming or friction fracture, the active ingredients of the aluminosilicate microcapsule in the textile are slowly released; the nano charcoal powder adsorbs the peculiar smell, so that the long-term antibacterial and deodorization functions are realized.
Owner:QINGDAO JECELONG HIGH TECH CO LTD

Method for wall breaking treatment of papaya cell wall skeleton structure

ActiveCN113545412AChange Texture PropertiesEliminate sournessFood freezingConfectioneryTriglycerideCell Wall Skeleton
The invention provides a method for wall breaking treatment of a papaya cell wall skeleton structure. The method comprises the following implementation steps of (1) cleaning the surface of papaya, removing seeds, conducting slicing, conducting color protecting, blanching for enzyme deactivation, dipping in seasoning liquid, and freezing at the temperature of -25 DEG C to -5 DEG C or conducting fresh-maintaining treatment at the temperature of 5 DEG C to 10 DEG C; (2) putting frozen pawpaw slices or pawpaw slices subjected to fresh-maintaining treatment into a vacuum low-temperature food conditioning device for wall breaking treatment, keeping the pressure in the device at -0.090 MPa to 0.095 MPa, keeping the treatment time to be 30 min to 120 min and the treatment temperature to be 80 DEG C to 120 DEG C, and taking triglyceride as a solvent medium; and (3) removing the solvent medium from the papaya subjected to wall breaking treatment, packaging and storing, so that the content loss of lignin and procyanidine in the finally obtained papaya slices subjected to wall breaking treatment is less, but the molecular weight is obviously reduced, and the bioavailability of the components in the papaya is improved. The method is easy and convenient to operate, the loss of nutritional ingredients of the treated papaya is less, the bioavailability is improved, and a new way is provided for deep processing and utilization of the papaya.
Owner:HENAN UNIVERSITY OF TECHNOLOGY

A kind of deep processing method of lutein extract

ActiveCN104447468BOverall high yieldAccelerates the rate of crystal nucleationOrganic chemistryChemistryDichloromethane
The invention discloses a deep processing method of a lutein extract. The method comprises the following steps: taking a light-alcohol solvent as an extracting agent for the lutein extract, and performing extracting, saponification by adding an alkaline liquor, crystallization and filtering on the lutein extract to obtain a filter cake and a soap-containing filtrate; performing water washing and drying on the filter cake to obtain high-purity lutein crystals; desolventizing the soap-containing filtrate and then mixing the desolventized soap-containing filtrate with dichloromethane, and separating the mixture to obtain a water phase and a solvent phase; concentrating the water phase to obtain fatty acid soap; washing the solvent phase with water and then adding Vc to the solvent phase and stirring evenly, and concentrating to obtain low-content lutein crystals. The deep processing method of the lutein extract is used for further purifying the deep processing method of a lutein extract; the low-content lutein crystals are collected, the total content yield of the crystals can be increased to 97% or higher, and the by-product fatty acid soap can be obtained; as Vc is added to the soap-containing filtrate, the content losses in the concentration and flavor removal process can be reduced and the single-step yield of the crystals produced from the soap-containing filtrate is above 17%. The deep processing method of the lutein extract is simple to operate, the yield of the product is high and the by-product can be reutilized; as a result, the deep processing method is suitable for industrial production.
Owner:CHENGUANG BIOTECH GRP CO LTD

Determination method of Panax notoginseng in Tianqi Dieda Fengshi ointment

The invention relates to a method for detecting the content of pseudo-ginseng in pseudo-ginseng contusion and rheumatism ointment. The method comprises the steps of: preparation of a reference substance solution; preparation of a test solution: taking the pseudo-ginseng contusion and rheumatism ointment, and adding water and dichloromethane for extraction; stewing the extracting solution obtainedin the previous step, separating a water taking layer, and adding petroleum ether for extraction; stewing the extracting solution obtained in the previous step, separating the water taking layer, andadding n-butyl alcohol for extraction; washing the extract liquor obtained in the previous step by using an ammonia test solution to obtain a n-butyl alcohol solution; evaporating the n-butyl alcoholsolution obtained in the previous step to dryness to obtain residues, dissolving the residues in methanol to prepare the test solution; and chromatographic detection. According to the method providedby the invention, a suitable test product preparation process is adopted to extract notoginsenoside R1 from the pseudo-ginseng contusion and rheumatism ointment for liquid chromatographic analysis, formula matrix residue in the test solution is few, the loss of the notoginsenoside R1 is little, the interference elements are few, and an accurate content value can be obtained at proper washing gradient. Furthermore, the content of pseudo-ginseng is characterized by the notoginsenoside R1, so that the specificity is high, the method is not interfered by the chemical components of other medicinalmaterials, and the repeat stability is good.
Owner:GUANGZHOU BAIYUNSHAN PHARM CO LTD
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