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70results about How to "Loose organizational structure" patented technology

Acellular biological patch, preparation method and apparatus thereof

ActiveCN103251987ATissue structure is softEnsure safetySurgeryCoatingsChemistryOn cells
The invention relates to an acellular biological patch, a preparation method and an apparatus thereof. In the invention, small intestines of pigs are taken as raw materials, which are subjected to a series of decellularization treatment by means of an acid, hydrogen peroxide, a mixed solution of high salt and alkali so as to obtain the acellular biological patch. According to the preparation method, after treatment by the hydrogen peroxide, the mixed solution of high salt and alkali can be employed to conduct twice recycling treatment, thus reaching the effects of thorough decellularization and antigen removal. The employment of a transverse and longitudinal alternating laying way maintains uniformity of the patch's mechanical properties, the tensile strength, suture tear force, tear strength and other mechanical indexes can well meet clinical demands, thus facilitating surgical suture operation. The employed drying mode has no need of any adhesive and suture line for fixation, so that a natural three-dimensional support structure of the product is maintained, and after implantation into the human body, no strong inflammatory response and immunological rejection response can occur. The patch has no toxicity on cells, so that infection and adhesion cannot occur in a repair process. The acellular biological patch provided in the invention is suitable for repair of body tissue defects and soft tissue injuries, and also can be used in the bioengineering field to serve as the tissue for reinforcing repair of membranous defects and infected wounds and serve as a biological scaffold material, etc.
Owner:SHAANXI BIO REGENERATIVE MEDICINE CO LTD

Quick-frozen and fresh-keeping thousand-layer Tofu and preparation method thereof

The invention discloses quick-frozen and fresh-keeping thousand-layer Tofu and a preparation method of the quick-frozen and fresh-keeping thousand-layer Tofu. The quick-frozen and fresh-keeping thousand-layer Tofu comprises the following components in parts by weight: 13-15 parts of soy isolate protein, 0.1-0.25 part of glutamine transaminase, 2-3 parts of cassava acetate modified starch, 5-8 parts of soybean oil, 0.3-0.6 part of aginomoto, 0.3-0.6 part of white sugar, 0.4-0.7 part of complex adhesive, 2.5-3.5 parts of duck egg white and 68-75 parts by weight of water. The quick-frozen and fresh-keeping thousand-layer Tofu disclosed by adopting the preparation method is prepared from the raw materials of the soy isolate protein, the glutamine transaminase, the cassava acetate modified starch, the soybean oil, the aginomoto, the white sugar, the complex adhesive and the duck egg white, keeps the original tender and fresh taste of Tofu, has a special tender, crisp, tasty, delicious taste, and has better elasticity and toughness, and strong soup water absorbing capacity; and regardless of frying, stir-frying, oil-frying, stewing or blending other seasonings, the quick-frozen and fresh-keeping thousand-layer Tofu is special in flavor and delicious in taste when being eaten.
Owner:云鹤食品有限公司

Anti-itchy finishing method for ramie fabric

The invention relates to an anti-itchy finishing method for a ramie fabric treated by using a united finishing method comprising the following steps of: firstly, carrying out proper dipping treatment on the ramie fabric by using cellulose enzyme treating fluid with the concentration of 1.0-3.0% (o.w.f), and then, carrying out padding or dipping treatment on the ramie fabric by using aqueous polyurethane treating fluid with the concentration of 40-200g / L. The anti-itchy finishing method for the ramie fabric has the beneficial effect that the finishing the ramie fabric by using cellulose enzyme is beneficial to the reduction of fibers crystallinity to achieve the aim of lowering the rigidity and be beneficial to the lowering of the itchy sensation of the fabric; and an elastic polyurethane finishing agent for the ramie fabric can be used for not only covering fuzzy yarns on the surface of the fabric, but also playing a role in enhancing the elasticity of fibers. Particularly, the organization structure of the fabric finished by using the cellulose enzyme becomes more loosen and active after the two optimized processes are united to treating the ramie fabric; in addition, the surfaces of the fibers generate an etching function which is beneficial to the permeation of the elastic polyurethane finishing fluid inside the fibers, so that the elasticity of the fibers is better improved, and furthermore, the aims of reducing the itchy sensation of the ramie fabric and improving the wearability are achieved.
Owner:HUZHOU ZHILI CHILDRENS CLOTHING DEV

Method for producing whole wheat flour by performing air flash explosion technology on bran and product thereof

The invention discloses a method for producing whole wheat flour by performing air flash explosion technology on bran and a product thereof. The method for producing whole wheat flour by performing air flash explosion technology on bran comprises the following steps of carrying out pretreatment, namely adjusting water content of bran, performing air flash explosion treatment, and carrying out drying so as to obtain dried bran; and then, carrying out flour blending, namely crushing the dried bran, carrying out sieving, and carrying out mixing with flour so as to obtain the whole wheat flour. The technology for producing whole wheat flour by performing air flash explosion technology on bran aims to solve the problems of existing whole wheat flour, namely liable damages on gluten protein andstarch, difficult powder preparation, short storage time and the like. According to the method for producing whole wheat flour, bran is treated by utilizing air flash explosion technology, wherein airexplosion pressure is provided by an external air compressor and temperature is provided by saturated steam so that pressure and time become two independent controllable parameters; and thus, the temperature can be controlled within a relatively low range. In addition, a relatively high pressure can be simultaneously maintained and instantaneously released so as to reduce activities of lipase andlipoxygenase, and thus, shelf life of the whole wheat flour is prolonged.
Owner:JIANGNAN UNIV

Quick-frozen fresh-keeping deep-fried dough stick and making method thereof

The invention discloses a quick-frozen fresh-keeping deep-fried dough stick and a making method thereof and belongs to the technical field of food processing. The quick-frozen fresh-keeping deep-fried dough stick is mainly composed of, by weight, 110-120 parts of flour special for making deep-fried dough sticks, 8-10 parts of acetylated wheat modified starch, 10-15 parts of white glutinous rice flour, 60-70 parts of water, 2-3 parts of leavening agents, 0.1-0.2 part of yeast, 3-5 parts of soybean oil, 5-10 parts of edible salt, 5-10 parts of eggs and 7-12 parts of white sugar. The flour special for making the deep-fried dough sticks, the acetylated wheat modified starch and the white glutinous rice flour are adopted, so that forming of a gluten network can be promoted, strength and gluten tenacity of the deep-fried dough stick are improved, and frost crack rate of skin of the deep-fried dough stick after quick freezing can be lowered; a low-temperature quick deep-fry method and a quick freezing method are adopted to make the deep-fried dough stick, so that water content, oil content, acid value and peroxide value of the deep-fried dough stick can be lowered, and original freshness and nutrition facts of the deep-fried dough stick can be maintained furthest.
Owner:云鹤食品有限公司

Dedicated organic inorganic compound fertilizer for K236, Yunnan tobacco, and NC series flue-cured tobacco

The invention provides a dedicated organic inorganic compound fertilizer for K236, Yunnan tobacco, and NC series flue-cured tobacco. The fertilizer is prepared by the following steps: evenly mixing the following components in parts by weight: 17 to 57 parts of thoroughly decomposed rapeseed oil cake, 0 to 10 parts of monoammonium phosphate, 3 to 13 parts of diammonium phosphate, 18 to 24 parts of potassium sulfate, 13 to 19 parts of potassium nitrate, 3 to 4 parts of potassium chloride, 0.5 to 1 part of anhydrous borax, 0.5 to 1 part of zinc sulfate, 0.5 to 1 part of magnesium sulfate, 1 to 3 parts of amino acid, 3 to 7 parts of potassium humate, fully grinding the mixture, and completely sieving the grinded mixture so as to obtain the fertilizer. The compound fertilizer can be used for the K326/Yunnan tobacco series and the NC series flue-cured tobacco. The water solubility of the fertilizer is good. The fertilizer can better coordinate the nutrients in soil, promotes the growth of tobacco plant in the early stage, and assists the timely maturity and yellowing in the later stage. Furthermore, the fertilizer utilization rate is improved. The tobacco leaf is easy for baking and the quality of tobacco leaf is improved. The fertilizer is easy to use for farmers, thus the workload for farmers is reduced, and the work efficiency is improved.
Owner:YUNNAN AGRICULTURAL UNIVERSITY

Preparation method for extracting and separating anti-tumor active protein from shiitake mushrooms

The invention provides a preparation method for extracting and separating anti-tumor active protein from shiitake mushrooms. The preparation method comprises the following steps: (1) pretreatment: cleaning fresh shiitake mushrooms, quickly freezing with liquid nitrogen, grinding, crushing and sieving; (2) composite enzymolysis: immersing the shiitake mushroom powder with normal saline, adding cellulase, hemicellulase and a protease inhibitor, and stirring for 12-16 hours; (3) extracting active protein: extracting the mushroom powder subjected to composite enzymolysis by using supercritical CO2 fluid, and separating in a separation kettle to obtain the active protein; (4) active protein separation: carrying out SourceQ anion exchange chromatography separation and polysaccharide removal, then carrying out Superdex200 gel filtration chromatography, detecting the cytotoxicity by using human lung adenocarcinoma A549 cells, and carrying out separation to obtain the mushroom protein extract LEP with high antitumor activity; and (5) freeze-drying and storing. According to the method, the effect of efficiently extracting the mushroom active protein is achieved through the composite enzymolysis and supercritical extraction processes, and the purpose of separating the anti-tumor active protein is improved by adopting an activity tracking separation method.
Owner:INST OF AGRO FOOD SCI & TECH CHINESE ACADEMY OF AGRI SCI
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