38results about How to "Dissolves quickly and completely" patented technology

The invention relates to frozen and dried maca. The preparation of the maca comprises the following steps of: cleaning maca, airing moisture on the surface of the maca, feeding the maca into a vacuum freezing and drying machine, and cooling and freezing the maca to -35 to -40 DEG C; and drying the frozen maca in vacuum for 15-25 hours at a vacuum degree of 3-10 Pa, thus obtaining the frozen and dried maca, wherein the final drying temperature is controlled to be less than 35-40 DEG C. According to the invention, more than 95%-99% of moisture in the maca can be eliminated, other components in the maca are reserved in an original ecological manner, and particularly, many thermosensitive substances, such as protein, amino acid and volatile substances, are effectively reserved; because the maca is dried with in vacuum with little oxygen, some easily oxidized substances are also protected; and the original shape and properties of the maca is kept, the maca can be preserved for a long time, and thus the effects of maca health-care foods are ensured.

The invention provides a preparation method of a thermosetting water-soluble urea-melamine-formaldehyde ternary polymerization resin nano powder adhesive. The preparation method comprises the following steps: step 1, performing vacuum concentration on the thermosetting water-soluble urea-melamine-formaldehyde ternary polymerization resin adhesive; step 2, performing pH value adjustment on the thermosetting water-soluble urea-melamine-formaldehyde ternary polymerization resin adhesive after concentration; step 3, performing vacuum freeze drying on the thermosetting water-soluble urea-melamine-formaldehyde ternary polymerization resin adhesive after pH value adjustment in the step 2; and step 4, performing grinding and sieving after vacuum freeze drying. The adhesive prepared by adopting themethod is applied to an artificial board substrate with high moisture content in a dry adhesive applying mode, and a respiratory thermal pre-pressing process is adopted to produce an artificial board, so that the energy consumption for drying the artificial board substrate can be reduced, the curing speed of the adhesive can be increased, the adhesion strength and the water resistance of the artificial board can be improved, and the formaldehyde release amount can be reduced.

The invention belongs to the technical field of full-nutrition formula food, and particularly relates to a food stabilizer, solid full-nutrition formula food and a preparation method thereof. The foodstabilizer is prepared from the following components in parts by weight: 1 to 3 parts of microcrystalline cellulose, 0.5 to 2 parts of monoglyceride and diglyceride fatty acid ester, 0.1 to 0.5 partof gellan gum, 0.1 to 1 part of carrageenan, 0.2 to 1 part of sodium tripolyphosphate and 0.2 to 1 part of sodium hexametaphosphate. The food stabilizer is applied to full-nutrition formula food, anda formula is designed professionally and reasonably, so that a product system is stable and meets the requirements of a human body on nutrition. Through an advanced processing technology, the productis converted into a solid state from a liquid state, so that the properties of the product are changed, the nutritional characteristics of the product can be preserved to the greatest extent, the shelf life of the product is prolonged, the product is convenient to preserve, place and transport to the greatest extent, and favorable conditions are provided for sales of the product.

The invention provides a rehabilitation lyophilized powder injection and its preparation method, which comprises the following constituents (by weight ratio): gen-seng, astragalus root extract and Marine 5-80%, and freeze-drying excipient 20-95%. The preparing process for the gen-seng and astragalus root extract consists of charging water for injection into gen-seng, astragalus root extract and Marine, stirring to dissolve, adjusting pH of the soup to 3.0-7.5 with medicinal alkali, charging freeze-drying excipient, stirring, mixing homogenously, adding water for injection to predetermined volume, carrying out asepsis filtering, split charging, and freeze-drying.

The invention relates to the technical field of hairy crab processing, and especially relates to a processing technology of freeze-dried hairy crab. The technology comprises the following steps: cleaning, boiling, cooling, refrigerating, carrying out vacuum drying, packaging, and warehousing, wherein the temperature in a product obtained in the refrigerating step is below -25DEG C, and the water content of a product obtained after the vacuum drying step is below 5%. Compared with the prior art, the method has the advantages of long shelf life of processed hairy crab, and maintenance of the original taste of the hairy crab.

The invention belongs to the field of polysaccharide extraction, and in particular relates to a method for extracting prebiotic functional sugar from distillation raffinate of distilled rice wine. The method of the present invention comprises the following steps: concentrating the distillation raffinate of distilled rice wine; adding ethanol solution to the concentrated distilled rice wine distillation raffinate until the final concentration of ethanol is 30%, ethanol precipitation, and centrifuging; taking the supernatant, adding ethanol Solution until the final concentration of ethanol is 75%-85%, ethanol precipitation, centrifugation; the supernatant obtained by centrifugation is concentrated, freeze-dried to obtain rice wine crude polysaccharide; rice wine crude polysaccharide is dissolved to obtain rice wine crude polysaccharide sample liquid, and protein is removed by using Sevage reagent , wherein the ratio of the amount of the Sevage reagent to the rice wine crude polysaccharide sample liquid is 1:3-6; the rice wine polysaccharide sample liquid after protein removal is placed in a dialysis bag with a molecular weight cut-off of 3500Da and dialyzed in ultrapure water, and then , concentrated and freeze-dried to obtain the target prebiotic functional sugar. The polysaccharide extracted by the method of the invention has high yield and high purity, and has a better effect than inulin in promoting the proliferation of bifidobacterium breve.

The invention relates to the dry food processing engineering field, and in particular, relates to a preparation process of a high-emulsifiability egg yolk powder. An egg yolk liquid has the pH adjusted for two times in an egg yolk powder preparation process, after first-time pH adjustment, the temperature is increased by heating to make proteins in the egg yolk liquid generate network charges having a rejection or dimerization effect for changing a protein surface layer structure, so that the effect of improving the emulsifiability of the egg yolk powder is achieved. After the egg yolk liquid is cooled to room temperature, the pH is adjusted for the second time to neutral, so the egg yolk powder can maintain a relatively stable state, the obtained product can withstand harsh conditions, the same texture, taste, stability, flavor intensity and rheological properties can be achieved with use of less amount, the cost is saved, and the productive benefits are increased.

The invention provides a preparation method of a thermosetting water-soluble urea-formaldehyde resin nanopowder adhesive. The preparation method comprises the following steps: 1, performing vacuum concentration on a thermosetting water-soluble urea-formaldehyde resin adhesive; 2, performing pH adjustment on the concentrated thermosetting water-soluble urea-formaldehyde resin adhesive; 3, performing vacuum freeze drying on the thermosetting water-soluble urea-formaldehyde resin adhesive after pH adjustment in the step 2; 4, grinding and screening after vacuum freeze drying. The adhesive prepared by the preparation method is applied to a high-water content artificial board substrate by dry gluing, and an artificial board is produced by a respiratory hot prepressing technology, so that the drying energy consumption of the artificial board substrate can be lowered and the curing speed, the gluing strength and the water resistance of the adhesive can be improved, and the amount of formaldehyde released from the artificial board can be reduced.

The invention provides a preparation method of a thermosetting water-soluble phenolic resin nano-powder adhesive. The preparation method comprises the following steps that 1, carrying out vacuum concentration on the thermosetting water-soluble phenolic resin adhesive; 2, carrying out vacuum freeze drying on the concentrated thermosetting water-soluble phenolic resin adhesive; and 3, carrying out grinding and screening after vacuum freeze drying. The nano-powder adhesive prepared by the preparation method is applied to a high-moisture-content artificial board base material in a dry-process sizing mode, an artificial board is produced by a respiration type hot pre-pressing process so that the drying energy consumption of the artificial board base material can be reduced, the curing speed ofthe adhesive is increased, the bonding strength of the artificial board is improved, and the content of free phenol and the release amount of formaldehyde are reduced.

A Chinese medicine 'freeze-dried Japanese St, John's-wort powder injection' is prepared from Japanese St. John's-wort herb through extracting its active component, mixing with the additive for injection, stirring, adding water for injection, regulating pH=4.0-8.0, removing heat source, aseptic filtering and freeze drying.

The invention provides a preparation method of a thermosetting water-soluble urea-melamine-formaldehyde ternary polymerization resin nano powder adhesive. The preparation method comprises the following steps: step 1, performing vacuum concentration on the thermosetting water-soluble urea-melamine-formaldehyde ternary polymerization resin adhesive; step 2, performing pH value adjustment on the thermosetting water-soluble urea-melamine-formaldehyde ternary polymerization resin adhesive after concentration; step 3, performing vacuum freeze drying on the thermosetting water-soluble urea-melamine-formaldehyde ternary polymerization resin adhesive after pH value adjustment in the step 2; and step 4, performing grinding and sieving after vacuum freeze drying. The adhesive prepared by adopting themethod is applied to an artificial board substrate with high moisture content in a dry adhesive applying mode, and a respiratory thermal pre-pressing process is adopted to produce an artificial board, so that the energy consumption for drying the artificial board substrate can be reduced, the curing speed of the adhesive can be increased, the adhesion strength and the water resistance of the artificial board can be improved, and the formaldehyde release amount can be reduced.

The invention relates to a superfine eucommia ulmoides powder and a preparation method thereof. The preparation method is characterized by comprising the following steps of performing freeze drying on fresh eucommia ulmoides bark by combining the vacuum freeze drying process technology with the supersonic airflow low-temperature grinding process technology; then, sealing; and crushing at the very first time to directly prepare the eucommia ulmoides bark into the superfine eucommia ulmoides powder. According to the preparation method, the eucommia ulmoides bark is directly prepared into the freeze-drying superfine eucommia ulmoides powder by adopting the international advanced vacuum freeze drying ultrafine grinding process technology. The original biological enzyme, the protein, the amino acid, the vitamin and the thermosensitive effective component of eucommia ulmoides are kept to the maximum limit, so that the nutritional value and the drug action of the active freeze-drying eucommia ulmoides are improved, and the freeze-drying eucommia ulmoides powder is far superior to traditional eucommia ulmoides powders prepared by drying in the sun and heated-air drying.