159results about How to "Completely hydrolyzed" patented technology

A process for preparing iron oxide red pigment from ferrous sulfate as the by-product of titanium oxide includes such steps as reducing iron scale at 50-70 deg.c, hydrolyzing for 6-10 hr, flocculating, deposition, refining heptahydrated ferrous sulfate, neutralizing with ammonia to generate crystal seeds, and neutralizing with ammonia while oxidizing with air to obtain target product. Its by-product, solution of ammonium sulfate, can be used for preparing composite fertilizer.

A process for preparing the edible fibre powder from wheat bran by multi-enzyme step treating method includes such steps as treating wheat bran sequentially by endogenous phytase, amylase, proteinase and lipase to obtain high-purity edible fibres, decoloring by sodium hypochlorite and hydrogen peroxide, squeezing, laying aside and superfine pulverizing.

The invention relates to a preparation method of deodorized fish protein powder. A technical process of the method comprises the following steps of: crushing low-value trash fishes; deodorizing; adding water for homogenating; performing enzymolysis on a mixed liquor by adopting a protein enzymolysis technology; blanching to obtain enzymolysis protein liquid; concentrating the enzymolysis liquid and performing spray drying; and packaging in vacuum to obtain a finished product. The protein powder is produced from low-value trash fishes and has a wide source, and a new way for high-value utilization of fresh water fishes is provided; the problem of the influence of odor substances in a hydrolysate on the utilization of the fish protein powder is solved; a biological enzymolysis technology isutilized, so that the efficiency is high and pollution is avoided; and the deodorized fish protein powder is safe and effective, is free from toxic and side effects, a rich in nutritional substances,can be developed as a food substrate, and has wide market prospect.

The invention discloses a cereal beverage and a preparation method thereof. The cereal beverage is prepared from the following raw materials in percentage by weight: 1-25% of cereal, 0.02-25% of malt and the balance of other ingredients (including water). The preparation method of the cereal beverage comprises the following steps: adding water into cereal raw materials, homogenizing and gelatinizing; regulating the temperature of the mixture to 20-80 DEG C, adding malt into the mixture to stir to hydrolyze for at least 10 minutes, the extract liquid is obtained after solid-liquid separation and is mixed with other ingredients to mix the beverage, and supernatant liquid or homogenous liquid is extracted to be filled and sterilized.

The invention relates to a waste processing method, in particular to relate to a recycling method for cleaning and processing kitchen waste and comprising the following steps: sorting, separating and recovering grease, performing secondary hydrolysis on materials after grease separation and recovery, further fermenting hydrolysis liquid and preparing solid residue obtained by sorting, hydrolysis and fermentation into feed. The invention has the following beneficial effects: economic and reasonable technologies suitable for industrialized application are adopted, thus greatly lowering processing cost; regenerative recycled products can be prepared with wide application and high additional value; and the production process is clean and environment-friendly, closed cycle of materials can be realized, secondary pollutants are prevented, and the recycled products have wide application, low operation cost and high economic benefit.

The invention relates to a method for coproduction of rice starch and rice protein. The method comprises the step of pretreatment of raw materials, first mixing and enzyme reaction, first separation and washing, homogenization, second separation and washing, second mixing and enzyme reaction, third separation and washing, drying and the like. The method disclosed by the invention is used for realizing the coproduction of the rice starch and the rice protein. In the rice starch produced by the method disclosed by the invention, the content of protein is below 0.3%, the content of starch is above 96%, the dextrinization rate of the starch is below 2.5%, the extraction rate is above 90%, the degree of hydrolysis of the rice protein is below 10%, the content of the protein is above 90% and the extraction rate of the rice protein is above 85%. The rice starch produced by the method disclosed by the invention can be widely applied to the industries such as foods, medicines and cosmetics, while the rice protein can be widely applied to the fields of health foods, nutritious foods and the like, and the additional value of deep processing of rice is increased greatly.

The invention relates to a preparation method of hairtail polypeptide, including the following steps: (1) putting hairtail in water which is 1 to 3 times of the weight of the hairtail and wringing the hairtail and the water evenly into fish meat pulp; (2) putting the fish meat pulp in an enzymatic vessel, raising the temperature to 45 DEG C-65 DEG C and regulating the pH value to 5.5-8.5; in the weight of the hairtail, adding endoprotease of 1.0-3.0 percent and nisin which is 0.02-0.1 percent of the weight of the fish meat pulp weight at the same time; implementing the agitation hydrolysis on the mixed fish meat pulp for 16-24h; adding the endoprotease of 1.0-5.0 percent, regulating the temperature to 45 DEG C-60 DEG C, regulating the pH value to 5.0-8.0 and keeping on the agitation hydrolysis for 3-6h; (3) killing enzyme; (4) centrifuging to fetch supernatant; (5) decompressing, concentrating, vacuuming and drying the supernatant to obtain a hairtail polypeptide product. The molecular weight range of the hairtail polypeptide obtained through the method is kept within 250Da-6000Da; the content of the polypeptide, the molecular weight of which is smaller than 1000Da, is higher than 50 percent.

The invention relates to the technical field of treatment of kitchen waste, in particular to a kitchen waste hydrothermal three-phase separation system. In the kitchen waste hydrothermal three-phase separation system, a heating device is arranged on the outer wall of a hydrothermal reactor tank body and is a conduction oil coil pipe; the conduction oil coil pipe is clung to the side wall of a hydrothermal reactor to provide thermal energy for the kitchen waste, and the interior of the hydrothermal reactor is heated evenly; a thermal energy recovery device is arranged on a three-phase separator, and comprises a thermal energy recovery coil pipe arranged on the outer wall of a three-phase separator tank body, and a thermal energy recovery guide pipe connected with the thermal energy recovery coil pipe. According to the invention, the kitchen waste is heated by the conduction oil, so that the energy can be saved and the cost can be reduced; the kitchen waste is heated under a water condition to realize full hydrolyzation, and is discharged through jet explosion, so that the hydrolyzation is performed more thoroughly, and the subsequent utilization is facilitated. The three-phase separator integrates the functions of explosion bearing, flash vaporization and three-phase separation, and an outer water coil pipe is arranged for recovery of the thermal energy, so that the recycling of the thermal energy is realized, and the kitchen waste cannot be blocked at the same time.

The invention relates to a making method of a high-organic selenium cardamine violifolia selenium polypeptide. The making method comprises the following steps of: S1, performing pretreatment on a rawmaterial: selecting dried cardamine violifolia powder as a raw material for production, performing soaking with ethano for decolorization, performing filtering for removing impurities, and then performing pretreatment with a mixture of cellulolytic enzymes and pectinase to obtain an enzymatic hydrolysate for standby application; S2, performing double-enzyme composite enzymolysis: firstly adding alkaline protease in a supernatant after pretreatment in step S1 for enzymolysis, performing enzyme deactivation, performing cooling to 50 DEG C, adjusting the pH with hydrochloric acid to 6.0-8.0, adding neutral protease, and performing enzymolysis to obtain an enzymatic hydrolysate; and S3, performing enzyme deactivation and peptide solution separation: boiling over the enzymatic hydrolysate to achieve enzyme deactivation, and performing standing to obtain a clear transparent peptide solution in the lower layer. The making method disclosed by the invention has the advantages that the cardamineviolifolia is used a core raw material, and the cellulolytic enzymes and the pectinase are used for pretreatment before enzymolysis, so that the impurities in the cardamine violifolia are effectivelyremoved and the protein extraction rate of the cardamine violifolia is increased; and then a multi-step double-enzyme enzymolysis method is used for enzymolysis, the content of the selenium polypeptide is higher, and the molecular weight of the selenium polypeptide is smaller.

The invention discloses a method for determining the form of selenium in selenium-enriched edible fungi. The method is characterized by comprising the following steps of: (1) pretreating selenium-enriched edible fungi: using deionized water as an extracting solution to extract a crushed selenium-enriched edible fungus sample, then adding effective amounts of protease K and protease XIV for hydrolysis so as to extract a sample solution to be detected; (2) conducting hydride generation: combining atomic fluorescence spectrometry with high performance liquid chromatography to determine a standard selenium form solution and the sample solution to be detected respectively. The method of the invention has the advantages of simplicity and easy operation, good repeatability, and employment of non-toxic and pollution-free reagents.

The invention discloses a preparation method of an organic-Se nutrient solution for crops. According to the method, bacillus subtilis is adopted to perform fermentation treatment on Se-enriched yeast, the Se-enriched yeast is hydrolyzed by the aid of protease produced in the metabolic process of the bacillus subtilis, a Se-enriched hydrolysate is obtained, and the organic-Se nutrient solution for the crops is prepared. The invention further discloses the organic-Se nutrient solution applied to the crops and produced with the preparation method of the organic-Se nutrient solution for the crops as well as an application of the organic-Se nutrient solution for the crops. With the adoption of the preparation method, all raw materials are sufficiently and reasonably utilized, complete and sufficient utilization of the raw materials is realized, no residues and residual liquids are produced, and environmental pollution is avoided; the content of organic-Se in the prepared organic-Se nutrient solution for the crops is high, the organic-Se exists in modes of Se substituted amino acid and short peptide, plant absorption is facilitated, and the content of the organic-Se in agricultural products can be remarkably increased.

The invention belongs to the biological and chemical engineering fields, and particularly discloses a production method for crystalline tagatose. The method comprises the following steps: using lactose as a raw material; dissolving the lactose; hydrolyzing by acidic lactase; leaching and separating by a simulated moving bed; enabling the content of tagatose to reach up to 75% by only using calcium oxide as an isomerizing agent and phosphoric acid or CO2 as neutralization acid; and finally separating, evaporating and crystallizing the tagatose by the simulated moving bed. According to the production method for the crystalline tagatose, the condition of separating and the optimal condition of crystallizing by the simulated moving bed are determined; the purity of the obtained product reaches more than 98.5%, and the yield is over 40; and the cost and pollution are low, and the method meets the condition of industrialization production.

The invention relates to a comprehensive utilization method of lignocellulose biomass. The method comprises the following steps of (a) performing acid hydrolysis on the lignocellulose biomass to obtain a pentose solution and acid hydrolysis residues after separation; (b) treating the acid hydrolysis residues with an alkali solution so as to extract alkali lignin; (c) performing enzymatic hydrolysis on the alkali hydrolysis residues obtained by alkali solution treatment in the step (b) by using cellulose so as to obtain a glucose solution and enzymatic hydrolysis residues, wherein the cellulose is obtained by culturing a strain of penicillium, the penicillium is named as penicillium recumbent PD-G3-08; and (d) returning the enzymatic hydrolysis residues obtained by alkali solution treatment to the step (b) so as to perform alkali solution treatment, or firstly the enzymatic hydrolysis residues with fresh acid hydrolysis residues and then carrying out the alkali solution treatment of the step (b), performing the step (c) and the step (d) successively, repeating such process, and further extracting the lignin and performing cellulose enzymatic hydrolysis. The above method increases conversion rate of cellulose enzymatic hydrolysis and realizes comprehensive utilization of the lignocellulose biomass resources.

The titania producing sulfuric acid process includes the successive steps of: heating the mixture of ilmenite, sulfuric acid and water for dissolving ilmenite fully; adding high valent iron for reducing; adding titanium liquid with titanium content of 70-78 % and in the amount of 0.5-4 % of total solution amount as activating agent to hydrolyze; filtering out titania hydrate; and calcining the titania hydrate. The present invention has saving in water vapor and water, complete hydrolysis, controlled titania granularity, high grain strength and high purity.

The invention belongs to the technical field of wash supplies, and relates to a pure nature moisturizing and acne removal handmade soap and a preparation method and application thereof. The handmade soap is prepared from the following raw materials in percentage by weight: 20-30 parts of butyrospermum parkii butter and/or sweet almond oil and/or macadamia nut seed oil, 41-45 parts of olive oil and/or grape seed oil and/or sesame oil, 20-30 parts of coconut oil and/or avocado oil and/or jojoba oil, 1.5-3 parts of tea tree essential oil and/or lavender essential oil and/or ravensare essential oil, 0.5-1 part of white willow bark essence and/or natural salicylic acid, and 0.1-0.5 part of encalyptus globulus leaf oil and/or melaleuca viridiflora essential oil and/or angelica essential oil. Thepure natural moisturizing and acne removal handmade soap can better achieve the effect of moisturizing and acne removing of human body through washing and protection. The preparation method of the pure natural moisturizing and acne removal handmade soap can better prepare the pure natural moisturizing and acne removal handmade soap under the situations that natural plant raw materials are completely adopted, no chemical ingredients and preservatives is added, the soap is pure naturally aired, no waste materials and waste gas is generated and no pollution is emitted.

The invention relates to a manufacturing technique of bone protein peptide calcium, comprising the following steps: (1) beast and bird bone is made into minced bone which is used as hydrolyzing substrate; (2) pH value is adjusted to 5-7, ossein enzyme is firstly used, common proteinase is then used for hydrolyzing, and temperature is risen for killing enzyme; (3) bone protein hydrolyzing liquid is filtered, the filtered liquid is dried after membrane filtration, and bone protein peptide powder can be obtained; filter residue is dissolved by adding acid, then the solution is filtered and dried, and bone calcium phosphate powder can be obtained; at last, the bone protein peptide powder and the bone calcium phosphate powder are mixed to obtain the bone protein peptide calcium powder. The invention has the following advantages: firstly, the absorption for a human body is easy, and the calcium-phosphorus ratio is 2 to 1 which is reasonable, and the bone protein peptide calcium is favorable calcium enriching product; secondly, the nutrition is abundant, in the bone protein peptide calcium of the product, the content of total protein is 10.38 percent, the content of the bone protein peptide is 8.56 percent, the content of the calcium is 6.16 percent, and the content of the phosphorus is 2.73 percent.

A comprehensive utilization method of lignocellulose biomass comprises the following steps: (a) performing alkaline hydrolysis processing; (b) performing acid hydrolysis of the alkaline hydrolysis residues, separating to obtain a pentose solution and acid hydrolysis residues; (c) performing enzymatic hydrolysis of the acid hydrolysis residues by using cellulase to obtain a glucose solution and enzymatic hydrolysis residues; (d) returning the enzymatic hydrolysis residues to step (b) for acid hydrolysis, or combining the enzymatic hydrolysis residues with new alkaline hydrolysis residues and performing acid hydrolysis processing in step (b), then orderly performing steps (c) and (d), cycling the steps so as to further convert the hemicelluloses into pentose and to perform enzymatic hydrolysis of the celluose into glucose. The method realizes the maximum resource utilization of lignocellulose biomass.

The invention discloses a method for producing fluoride and silicon dioxide by accelerating hydrolysis of fluosilicate with ultrasonic waves. The method has the advantages that mixing of a solution is accelerated by adopting the aviation effect of the ultrasonic waves, the hydrolysis rate of the fluosilicate is increased, the reaction time is short, the reaction temperature is low, the hydrolysis process is complete, the purity of the generated fluoride and SiO2 products is high and the like. Equipment used by the method disclosed by the invention is simple, and the operation is simple and convenient.