22 results about "Starch glycerite" patented technology

The invention discloses an antibacterial starch-based split film fiber for a degradable fishing net as well as a preparation method and application thereof, belongs to the technical field of fishing net materials, and provides a preparation method of the antibacterial starch-based split film fiber for the degradable fishing net, which comprises the following steps: mixing a layered nano material with a guanidine salt polymer to obtain a primary mixture; drying starch, mixing the dried starch, glycerol, epoxy vegetable oil and the primary mixture, and then adding poly (butylene adipate-co-terephthalate) to obtain a premix; heating, plasticizing and granulating the premix to obtain granules, blowing a film to obtain a thin film, and cutting the thin film to obtain the split film fiber. Compared with traditional silk processing, preparation of the split-film fiber has the advantages of being simple in used equipment, high in production efficiency, low in cost and the like, the prepared split-film fiber can be used for weaving fishing nets and other tools after thread twisting, the fishing nets have good mechanical performance, meanwhile, degradability and antibacterial activity are taken into account, and the split-film fiber is suitable for popularization and application. The material has good market competitiveness in the fishing market.

This invention, entitled "Antibacterial Food Packaging Film Containing Propolis Extract, Preparation Method, and Application," belongs to the field of food packaging films. The technical problem to be solved is the poor mechanical properties, antibacterial properties, and antioxidant properties of the packaging film. The antibacterial food packaging film provided by this invention is made from the following raw materials: tamarind gum, pregelatinized starch, glycerin, and propolis extract. Xyloglucan in the tamarind gum is extracted by rapid high-temperature heating, and the propolis extract is integrated into the film-forming solution through simple blending. After drying, the film is obtained. The antibacterial food packaging film prepared by this invention solves the problem of poor mechanical properties in traditional tamarind gum-based packaging films and endows the packaging film with antibacterial and antioxidant functions, which can inhibit food spoilage and thus extend the shelf life of food.

The invention provides a chewable mixed glue type DHA algae oil soft capsule, which comprises a capsule shell and a content filling liquid, and the capsule shell comprises the following raw materials by mass: 30-50 wt% of gelatin, 5-20 wt% of acid treated starch, 0.5-10 wt% of hydroxypropyl starch, 20-40 wt% of glycerin, 1-10 wt% of a sorbitol solution, 0.01-3 wt% of a food coloring, and 23-43 wt% of purified water. The invention also provides a preparation method of the chewable mixed glue type DHA algae oil soft capsule. According to the invention, mixed glue prepared from gelatin, acid-treated starch and hydroxypropyl starch is used as colloid, and the components and dosage of the mixed glue are regulated, so that the raw materials of the colloid generate a relatively strong synergistic effect, the heat resistance, water-retaining property, stability, softness, elasticity and toughness of the capsule skin are improved, chewing and taking are realized, and the chewing effect of the capsule skin is improved. The technical problems that an existing DHA soft capsule is poor in capsule skin heat resistance, poor in water retention, difficult to swallow, low in effect taking speed and poor in taste are solved, and the DHA soft capsule belongs to the technical field of medicine and health care products.

The invention provides a preparation method of a modified potato starch-glycerol trilaurate compound. The preparation method comprises the following steps: step 1, irradiation modification; step 2, construction of a water phase preparation system; step 3, gelatinization treatment; step 4, cooling treatment; step five, performing high-pressure homogenization treatment; step 6, removal of free lipid; and 7, drying the compound. Compared with a high-pressure homogenization preparation method, the starch-lipid compound prepared by the method provided by the invention has obviously enhanced dietary fiber characteristics and digestion resistance. The potato starch-triglyceride is creatively prepared by combining electron beam irradiation with a high-pressure homogenization technology, so that potato starch molecules are cracked, the dispersity of the triglyceride is improved, and the prepared starch-triglyceride compound has a relatively good compounding effect and can be used for preparing the potato starch-triglyceride compound. The preparation efficiency of the starch-triglyceride compound is improved.

The invention relates to a preparation method of antibacterial thermoplastic starch plastic, and belongs to the field of antibacterial materials and biodegradable materials. The preparation method comprises the following steps: firstly, preparing maleopimaric acid with higher reaction activity from maleated rosin, then modifying polyethyleneimine 300 (PEI300) by using maleopimaric acid, further uniformly mixing the maleopimaric acid modified polyethyleneimine 300 (PEI300) with starch and glycerol, and extruding by using a single (or double) screw extruder to obtain the antibacterial thermoplastic starch plastic. According to the method, under the condition that a small amount (0.9-1.2 parts) of maleopimaric acid modified PEI300 is added, the thermoplastic starch plastic can have obvious antibacterial property, and especially has an obvious inhibition zone phenomenon on escherichia coli (E.coli) and staphylococcus aureus (S.aureus). Besides, the strength and the fracture toughness of the maleopimaric acid modified PEI300 enhanced thermoplastic starch are also improved at the same time, the tensile strength is improved by 77-99.5%, the elongation at break is improved by 38-53%, and the novel thermoplastic starch plastic has wide application prospects in the fields of food packaging, disposable articles or medical supplies and the like.

The invention relates to a PVA antibacterial fresh-keeping film containing zinc amino clay / ectoine ligand as well as preparation and application of the PVA antibacterial fresh-keeping film, and relates to the technical field of food packaging materials. The film is prepared from PVA, starch, glycerin and zinc amino clay / ectoine ligand as raw materials according to the mass ratio of (1-3): (1-2): (3-6): (1-3) through mechanical stirring, blending and casting. A stable Zn-N coordinate bond structure is formed through salt bridge coordination, so that the film has the antibacterial property of zinc amino clay and the hydrophilic and water-retaining characteristics of ectoine, thereby effectively inhibiting microbial reproduction, reducing water loss, delaying oxidative deterioration of food and achieving the effect of prolonging the shelf life. The film has good mechanical strength, barrier property and biodegradability, the preparation process is simple and convenient, and the film is suitable for fresh food fresh-keeping packaging.

The invention discloses retarder composite paper as well as a preparation method and a use method thereof, and belongs to the field of surface treatment of concrete materials. The retarder composite paper comprises a water-soluble base material and a water-based surface retarder, the weight ratio of the water-soluble base material to the water-based surface retarder is (1: 5)-(1: 8), and the thickness of the retarder composite paper is 0.02-0.05 mm; the water-soluble base material comprises starch, glycerol, gelatin and agar. The water-soluble base material comprises the following components in percentage by weight: 60-80% of starch; 1%-3% of glycerol; 10%-20% of gelatin; and 10%-20% of agar. The invention also provides a preparation method and a use method of the retarder composite paper. The retarder composite paper provided by the invention overcomes the problem of dose deviation caused by flowability in a traditional spraying process, and can conveniently form a uniform rough surface on a concrete test piece; meanwhile, when a concrete test piece is washed by high-pressure water, the retarder composite paper is dissolved and degraded when meeting water, and no pollution is caused to the environment.

The invention discloses a non-steroidal anti-inflammatory drug suspension drop and a preparation method thereof. The suspension drop comprises ibuprofen, xanthan gum, pregelatinized starch, glycerin, sucrose, anhydrous citric acid, sodium benzoate, polysorbate 80, strawberry essence and water. The preparation method comprises the following steps: 1) sieving ibuprofen with a 20-mesh sieve for later use; the preparation method comprises the following steps: adding polysorbate 80 into purified water, stirring and dissolving, adding ibuprofen according to the prescription amount, and stirring and dispersing uniformly; 2) adding 100 DEG C purified water and glycerol into the liquid preparation tank, and stirring and mixing; (3) starting a rotor pump and a homogenizing pump to form internal circulation in the liquid preparation tank, opening a ball valve of a charging hopper, adding xanthan gum and pregelatinized starch, closing the valve of the hopper, and homogenizing and stirring until the step (6) is finished; (4) weighing cane sugar, adding the cane sugar into boiling water at 100 DEG C, and stirring for dissolving; 5) continuously stirring in the liquid preparation tank, adding a sucrose solution, washing the container with water, and adding into the liquid preparation tank; 6) adding anhydrous citric acid and sodium benzoate into the liquid preparation tank, and stirring for more than 1 hour after the steps 3-6 are finished; 7) closing the homogenizing pump, adding an ibuprofen dispersion liquid into the liquid preparation tank, washing the dispersion container with water for several times, and stirring; (8) adding essence into the liquid preparation tank, and stirring; 9) adding the total amount of purified water, and stirring; and 10) filling. The drops with good dispersibility and good stability are obtained by screening the prescription and optimizing the preparation process.

The invention relates to a process for producing an oil-in-water emulsion (O / W emulsion) containing tapioca starch (INCI: Tapioca Starch), glycerol, water, ethanol and an oil phase, wherein a) in a first container (1), a partial amount of tapioca starch is added to water and, with stirring, is heated to at least 70°C, b) in a second container (2), one or more gums (INCI: Gums) are slurried, at room temperature, in glycerol with stirring, c) in a third container (3), the remainder of the tapioca starch is suspended, at room temperature, in ethanol, d) then the aqueous phase a) from (1) is added, with stirring, to an oil phase heated to at least 75°C, e) then the gums slurried in glycerol b) from (2) are added, and then homogenization is performed, f) then the emulsion is cooled to room temperature, g) the ethanol phase (3) is added at room temperature, and h) then the entire preparation is homogenized again.

Method for producing an oil-in-water emulsion (O / W emulsion) containing tapioca starch (INCI: Tapioca Starch), glycerin, water, ethanol and an oil phase, wherein a) in a first container (1) a portion of tapioca starch is added to water and heated to at least 70 °C while stirring, b) in a second container (2) one or more gums (INCI: Gums) are suspended in glycerol at room temperature while stirring, c) in a third container (3) the remainder of the tapioca starch is suspended in ethanol at room temperature, d) the aqueous phase a) from (1) is then added to an oil phase heated to at least 75 °C while stirring, e) then the gums suspended in glycerin b) from (2) are added, after which homogenization is carried out, f) the emulsion is then cooled to room temperature, g) the ethanol phase (3) is added at room temperature and h) the entire preparation is then homogenized again.

The invention discloses a eutectic composite film as well as a preparation method and application thereof in pork preservation, and belongs to the technical field of food preservation. The preparation method of the hesperetin eutectic composite membrane comprises the following steps: (1) uniformly mixing pretreated bagasse powder with sodium alginate, whey protein, lotus root starch and glycerol, and adding cinnamon essential oil to obtain an SLB mixed membrane solution; and (2) mixing the SLB mixed film liquid with a preservative, carrying out ultrasonic treatment, and drying and shaping to obtain the eutectic composite film. The eutectic composite film is prepared by taking SLB as a film forming substrate, adding glycerol as a plasticizer and taking hesperetin, berberine hydrochloride, a physical mixture of hesperetin and berberine hydrochloride or hesperetin-berberine hydrochloride pharmaceutical eutectic as a preservative. The eutectic composite film is proved to be capable of remarkably inhibiting the pork from decaying under the condition of normal temperature and prolonging the shelf life of the pork.

The invention discloses a heat-resistant PVC (polyvinyl chloride) pneumatic membrane and a preparation method thereof, and relates to the field of PVC materials, and the heat-resistant PVC pneumatic membrane comprises the following raw materials in parts by weight: 80-120 parts of PVC; 10 to 20 parts of modified aluminum hydroxide; 10 to 30 parts of ABS resin; 2-6 parts of a stabilizer; the aluminum hydroxide is prepared from the following raw materials: corn fiber, distilled water, absolute ethyl alcohol, stearic acid, starch, glycerol and aluminum hydroxide. The heat-resistant PVC pneumatic membrane has the advantage that heat resistance of the PVC pneumatic membrane is improved.

The invention belongs to the technical field of packaging materials, and particularly discloses a preparation method of a long-acting antibacterial multilayer composite fresh-keeping packaging film, which comprises the following steps: mixing starch, glycerol, a cross-linking agent and poly (butylene adipate-co-terephthalate), melting, extruding and granulating to obtain thermoplastic starch-based particles; melting, extruding and granulating the poly (butylene adipate-co-terephthalate), the cross-linking agent and the polyguanidine bactericide to obtain antibacterial polyester particles; carrying out a film blowing process on the thermoplastic starch-based particles to obtain a blow-molded starch-based film; carrying out a compression molding process on the antibacterial polyester particles to obtain a hot-pressed polyester film; the blow molding starch base film is clamped in the middle of the hot pressing polyester film, and the fresh-keeping packaging film is obtained through a die pressing technology. According to the preparation method of the long-acting antibacterial multi-layer composite fresh-keeping packaging film, the prepared composite film material can keep the antibacterial performance for a long time, and the phenomenon that effective components are leached and reduced is avoided.

The invention relates to a stable danazol capsule and a preparation method thereof, and belongs to the technical field of pharmaceutical preparations for treating endocrine system diseases. The danazol capsule disclosed by the invention is prepared from danazol, vanillin, a pH-regulated hydroxypropyl starch-glycerol matrix, a filling agent and a lubricating agent. The danazol and vanillin are co-ground, a hydroxypropyl starch-glycerol matrix with a specific pH value is combined, and a reasonable filling agent, a lubricant and a preparation process are matched, so that the danazol tablet is prepared, the problems of poor stability and low dissolution rate of an existing danazol preparation are solved, the raw materials are easy to obtain, the preparation process is simple, and industrial production is facilitated.

The invention relates to a preparation and application method of low polymer modified maleopimaric acid, which prepares the low polymer modified maleopimaric acid and uses the low polymer modified maleopimaric acid as an additive for thermoplastic starch plastics, and belongs to the fields of high-value utilization of forest chemicals and biodegradable plastics. The method comprises the following steps: firstly, preparing maleopimaric acid by using industrial-grade maleated rosin, then modifying maleopimaric acid by using an oligomer polyethylene glycol 400 (PEG400), further uniformly mixing the PEG400 modified maleopimaric acid with starch and glycerol, and extruding by using a single (or double) screw extruder to obtain the PEG400 modified maleopimaric acid enhanced thermoplastic starch plastic. According to the method, under the condition that a small amount of (0.3-1.5 parts) PEG400 modified maleopimaric acid is added, the strength and toughness of the thermoplastic starch plastic can be synchronously improved, the tensile strength is improved by about 20-100%, and the elongation at break is improved by about 40-94%. Besides, the PEG400 modified maleopimaric acid serving as a novel rosin derivative also has certain antibacterial property, so that the prepared thermoplastic starch plastic can be applied to the fields of food packaging, disposable tableware or medical supplies and the like.

This invention belongs to the field of packaging material technology, specifically disclosing a method for preparing a long-lasting antibacterial multilayer composite preservation packaging film, comprising the following steps: mixing starch, glycerin, a crosslinking agent, and polybutylene terephthalate (PET), melting, extruding, and granulating to obtain thermoplastic starch-based granules; melting, extruding, and granulating PET, a crosslinking agent, and a polyguanidine bactericide to obtain antibacterial polyester granules; extruding the thermoplastic starch-based granules using a blown film process to obtain a blown starch-based film; extruding the antibacterial polyester granules using a molding process to obtain a hot-pressed polyester film; sandwiching the blown starch-based film between the hot-pressed polyester film and then molding the film to obtain the preservation packaging film. This invention utilizes the above-mentioned method for preparing a long-lasting antibacterial multilayer composite preservation packaging film, and the prepared composite film material can maintain its antibacterial properties for a long time without experiencing a reduction in the leaching of effective components.

The invention belongs to the field of food processing and food nutrition, and particularly relates to stable and efficient OSA starch-grease novel composite resistant starch, including starch-triglyceride novel composite resistant starch, a one-step induction preparation process and application thereof, and application of the starch-triglyceride novel composite resistant starch in high-resistance special medical food for correspondingly regulating and controlling blood sugar. The invention innovatively provides the process stages of melting reaction, cooling compounding and the like in the compound preparation process through precise regulation and control, the starch-triglyceride compound with a typical VII type crystal structure is prepared through efficient induction for the first time, and the starch-triglyceride compound is high in thermal stability and high in processing adaptability. Furthermore, the starch-coconut oil special medical food is prepared through one-step induction, and the starch-coconut oil special medical food has high digestion resistance and can regulate and control the change of the blood sugar function. Compared with a starch-triglyceride compound which cannot be obtained by a traditional process, the preparation method disclosed by the invention has the advantages that not only is the starch-triglyceride compound efficiently prepared, but also the quality is better, and the improvement of food quality and the regulation and improvement of human blood sugar health are more facilitated.

The invention discloses starch / glycerol / ionic liquid composite slurry as well as a preparation method and application thereof, and relates to the technical field of textile slurry. The starch / glycerol / ionic liquid composite slurry is obtained by polymerizing starch, glycerol and ionic liquid by adopting a one-step solution method, and has good adhesion to polyester cotton warp yarns. The composite slurry is low in viscosity, easy to permeate and high in stability; the mechanical property of the polyester cotton warp yarn is obviously influenced, the breaking strength is gradually increased, and the elongation at break is firstly increased and then reduced; meanwhile, synthesis conditions are mild, the method is simple, raw material cost is low, and industrialization is easy to achieve.

The invention belongs to the technical field of fruit and vegetable fresh-keeping, and discloses a chitosan and hydroxypropyl starch containing coffee residue extract composite fresh-keeping coating liquid, a preparation method and application in storage and transportation fresh keeping of thin-skin fruits, and every 1000 mL of the fresh-keeping liquid comprises 20 g of chitosan, 20 g of waste coffee residue extract, 7.5 g of hydroxypropyl starch, 2 mL of glycerin and the balance of distilled water. According to the green composite fresh-keeping coating liquid containing the chitosan-hydroxypropyl starch-coffee residue extract, the storage and transportation fresh-keeping quality of thin-leather small-sized vulnerable fruits is improved, and the green composite fresh-keeping coating liquid is completely natural in source, free of peculiar smell, stable, durable and easy to clean, meets the higher requirements of the market for cleaning labels and healthy products, and has a good market prospect. And meanwhile, the problems of insufficient high-value utilization of agricultural by-product coffee grounds and environmental pollution are effectively solved.

The invention relates to a fabric with antibacterial and deodorant properties, and relates to the technical field of fabrics. The fabric comprises a fabric body, and the fabric body is formed by blending modified calotropis gigantea fibers and cotton fibers; the preparation method of the modified calotropis gigantea fiber comprises the following steps: adding starch and glycerol into deionized water, heating, stirring, adding oleic acid and an impregnating compound, uniformly stirring to form a mixture, spraying the mixture onto the calotropis gigantea fiber, and sequentially curing and drying to obtain the modified calotropis gigantea fiber, the fabric produced by using the Niuhan melon fibers and the cotton fibers as the raw materials has excellent antibacterial and deodorant effects.

The invention discloses an ibuprofen suspension and a preparation method, and belongs to the technical field of pharmaceutical preparations. The ibuprofen suspension of the invention is composed of ibuprofen, sucrose, whey protein isolate / xanthan gum complex, pregelatinized starch, glycerol, Tween 80, citric acid, sodium benzoate, essence, pigment and water. Compared with the prior art, the invention adopts whey protein isolate / nicotinamide mononucleotide complex to replace xanthan gum, which can effectively solve the problem of uneven content of ibuprofen suspension and poor stability caused by uneven swelling of xanthan gum.

The invention discloses a preparation method of a biomass pyrolysis ash / corn starch biodegradable composite mulching film, which comprises the following steps: firstly, collecting biomass pyrolysis ash, and then weighing the biomass pyrolysis ash, corn starch, glycerol and deionized water; mixing all the weighed raw materials, stirring until the raw materials are gelatinized, raising the temperature, and adding the mixed solution into a double-screw extruder to obtain thin film granules; and finally carrying out blow molding on the film granules through a film blowing machine to form a plastic film, and cutting, rolling and packaging to obtain the biomass pyrolysis ash / corn starch biodegradable composite mulching film. According to the composite mulching film prepared through the method, the imbibition coefficient and the imbibition rate of the film are reduced, the starch dissolution and deterioration rate is further reduced, and the service life of the mulching film under the outdoor condition is prolonged.