11results about How to "Fully hydrolyzed" patented technology

The invention discloses a short b-axis ZSM-5 molecular sieve as well as a synthesis method and application thereof, tetraethyl orthosilicate and aluminum isopropoxide are taken as an aluminum source, tetrapropylammonium hydroxide is taken as a template agent, ammonium salt is added as an auxiliary agent to limit the growth of particles along a b axis, after a hydrothermal crystallization reaction, the obtained product is washed, baked and calcined, and the short b-axis ZSM-5 molecular sieve is obtained. The method disclosed by the invention is simple to operate, has repeatability, small template agent dosage and low cost, the synthesized ZSM-5 molecular sieve has the advantages of good thermal stability, high specific surface area, strong acid center, slow carbon deposition speed in reaction and the like, meanwhile, more active sites can be exposed, the transmission path of reactants and products is shortened, the diffusion resistance is reduced, and the method is suitable for industrial production. The catalyst is used for catalytic synthesis of pyridine and derivatives thereof, and has high selectivity and high catalytic activity.

According to the infant amino acid nutritional rice flour and the preparation method thereof, four proteases including flavourzyme, pepsase, papain and bromelain are provided, and the proteases have very high hydrolytic activity and can fully hydrolyze protein in rice and whole milk powder to form various amino acids and polypeptide fragments, so that the nutritional rice flour is prepared; the rice flour is beneficial to digestion and absorption of infants, does not cause protein allergy, also improves the utilization rate of protein, and also can increase the flavor of the rice flour. Through detection, all 16 amino acids listed in GB5009.124-2016 Measurement of Amino Acid In Food National Standard for Food Safety can be detected in the infant amino acid nutritional rice flour prepared by the method disclosed by the invention; the amino acids are respectively alanine, valine, leucine, isoleucine, phenylalanine, proline, glycine, serine, threonine, tyrosine, methionine, lysine, arginine, histidine, aspartic acid and glutamic acid, the content of the glutamic acid is the highest, and the total amount of the amino acids can reach 10.5-11.2 g / 100g.

The invention provides a preparation method of glucose, and belongs to the technical field of glucose. The method comprises the steps of starch milk preparation, liquefaction, saccharification, filtration and post-treatment. The filtering step comprises the following steps: filtering the saccharified liquid through a 0.5 mm screen, collecting primary filtrate of the saccharified liquid, then adding an impurity removal agent, filtering, collecting secondary filtrate of the saccharified liquid, and carrying out nanofiltration treatment to obtain saccharified filtrate; the preparation method of the impurity removal agent comprises the following steps: placing activated carbon in a nitric acid solution, raising the temperature, stirring, filtering out, washing, putting into deionized water, adding a catalyst, stirring and catalyzing at room temperature for 28-32 minutes, then adding lauryl amine and glutamic acid, stirring and reacting at room temperature, filtering, washing, putting into a chitosan solution, stirring at 34-36 DEG C for 38-42 minutes, and filtering to obtain the impurity removal agent. Filtering, washing and drying to obtain an impurity removal agent; by adopting the preparation method disclosed by the invention, the yield and purity of the glucose are high, the stability of the functional saccharifying enzyme is good, and the energy consumption is low.

The invention relates to the technical field of livestock feed, in particular to a nutrient solution containing chlorella as well as a preparation method, application and a use method of the nutrient solution. The nutrient solution comprises a chlorella product, a nutrition additive and a rumen fermentation regulator, and the ratio of the chlorella product to the nutrition additive to the rumen fermentation regulator is 100 mL: (5-10) g: (20-35) g. The chlorella product is prepared from chlorella enzymatic hydrolysate and lactobacillus plantarum fermentation liquor. The nutrition additive comprises vitamins and trace elements; the rumen fermentation regulator comprises sodium bicarbonate and chitosan. The invention also provides an application of the nutrient solution in barn-feeding beef cattle breeding and a preparation and use method of the nutrient solution. The prepared nutrient solution containing chlorella not only can improve the immunity of barn-feeding beef cattle, but also can reduce fat deposition of the beef cattle and improve the beef quality.

The invention relates to the field of circulating water treatment, and discloses an automatic circulating water hydrolysis device which comprises two fixedly connected box bodies, the sides, away from each other, of the two box bodies are fixedly installed on a circulating water input pipe and a circulating water output pipe correspondingly, and stop valves are fixedly installed on the circulating water input pipe and the circulating water output pipe correspondingly; the same channel is fixedly installed on the sides, close to each other, of the two box bodies, activated carbon filter plates are detachably and fixedly installed on the inner walls of the sides, close to each other, of the two box bodies, and vertical shafts are rotationally installed in the two box bodies. Compared with the prior art, the device has the following advantages and effects that efficient hydrolysis treatment capacity is achieved, dosing control can be accurately achieved, the automatic hydrolysis treatment quality of circulating water is improved, a safe and reliable pressure relief function is achieved, equipment and pipelines can be protected, breakage or damage caused by too high pressure is prevented, and the service life of the device is prolonged. And a powerful guarantee can be provided for stable operation of a circulating water system.

The invention provides monascus solid-state fermented oat functional steamed buns and a preparation method thereof, and is characterized in that the monascus solid-state fermented oat functional steamed buns are prepared from the following raw materials in parts by weight: 5-10 parts of monascus fermented oat flour, 180-200 parts of wheat flour, 2-3 parts of yeast powder, 45-55 parts of water and 8-10 parts of white granulated sugar. According to the method, the content of acid Monacolin K in the oat flour is increased through solid-state fermentation, then the steamed buns are prepared from the oat flour subjected to solid-state fermentation, the steamed buns can be endowed with unique flavor and color, and the steamed buns can also have the health-care function.

The present invention relates to the technical field of enzymatic extraction of functional peptides, and more particularly to a method and application thereof for extracting hypoglycemic active peptides from sheep bones, S1: bone residue is prepared; S2: bone powder is prepared; S3: first defatting treatment is carried out with a composite degreasing agent, and the composite degreasing agent is mixed by food-grade lipase and sodium glycocholate according to a mass ratio of 1: (0.1-0.15); S4: second defatting treatment is carried out with anhydrous ethanol; S5: enzymolysis treatment is carried out to the obtained defatted bone powder B in sequence by the first protease and the second protease, and the first protease is collagenase, and the second composite protease is mixed by aminopeptidase and serine protease according to a mass ratio of 1: (1-3); S6: after the obtained active peptide suspension is de-enzymed, centrifuged and freeze-dried, hypoglycemic active peptides are obtained. The present invention uses sheep bones as raw materials for the first time, and is efficiently extracted with small molecule hypoglycemic active peptides through secondary defatting and two protease segmented enzymolysis treatments.

The invention belongs to the technical field of biological bacterial agents and functional food processing, and particularly relates to a bacterial agent for soybean milk fermentation, application of the bacterial agent, soybean cheese bars and a preparation method of the soybean cheese bars. According to the microbial agent for soybean milk fermentation, lactobacillus helveticus HL88 and lactobacillus casei BL25 are combined for use, so that soybean milk can be quickly acidified, and the curding time of soybean cheese is shortened; the soybean protein can be more fully hydrolyzed, and more short peptides and amino acids are released; particularly, the high yield of gamma-aminobutyric acid (GABA) can be achieved, and the fermentation effect and the nutritional value of the soybean milk are improved. Furthermore, the soybean cheese food prepared by fermentation of the microbial agent has rich soybean milk flavor and smooth texture; moreover, the soybean milk is easy to digest and absorb, the digestibility is improved, the allergenicity of soybeans can be reduced, and particularly, the soybean milk is helpful for improving exercise fatigue and improving sleep quality. Therefore, the microbial agent provided by the invention has excellent application prospects in the field of preparation of functional foods for resisting fatigue and promoting sleep.

The continuous hydrolysis device comprises a high-pressure hydrolysis tower, a pure water inlet formed in the top of the high-pressure hydrolysis tower, a grease inlet formed in the side wall of the lower portion of the high-pressure hydrolysis tower, a fatty acid leading-out opening and a dilute glycerin water leading-out opening. An upper-section high-pressure water vapor heating inlet, a middle-section high-pressure water vapor heating inlet and a lower-section high-pressure water vapor heating inlet are sequentially formed between the pure water inlet and the grease inlet from top to bottom; the upper-section high-pressure water vapor heating inlet, the middle-section high-pressure water vapor heating inlet and the lower-section high-pressure water vapor heating inlet are all connected with the high-pressure water vapor heating inlet adjusting valve, and pure water and grease flow in a convection form after entering the high-pressure hydrolysis tower, so that the pure water and the grease are promoted to fully and uniformly contact and transfer mass; the temperature of the middle-section high-pressure steam heating inlet is higher than that of the upper-section high-pressure steam heating inlet and the lower-section high-pressure steam heating inlet, so that full reaction of pure water and grease in each stage is ensured, and the hydrolysis rate of the grease is further improved.

The application provides a convenient method for detecting the molecular weight of polymethylsilane, and relates to the technical field of polymer material analysis.The convenient method for detecting the molecular weight of polymethylsilane specifically comprises the following steps: step 1, accurately weighing a certain mass of a polymethylsilane sample, dissolving the polymethylsilane sample in a solvent to obtain a polymethylsilane solution; step 2, adding deionized water to the polymethylsilane solution obtained in step 1, and performing ultrasonic-assisted hydrolysis under the condition of vigorous stirring, so that chlorine elements in the polymethylsilane are fully hydrolyzed to form an aqueous hydrogen chloride solution.The application provides a convenient method for detecting the molecular weight of polymethylsilane, so as to solve the problems of expensive instruments, complex operation and long time consumption in the determination of the molecular weight of polymethylsilane by using the gel permeation chromatography method in the prior art.

The utility model relates to the technical field of hydrolysis tanks, in particular to an agriculture and forestry solid waste lignin hydrolysis tank with a spiral stirring structure, which comprises a hydrolysis tank body, and a left servo motor and a right servo motor which are mutually symmetrical are fixedly mounted at the top of the hydrolysis tank body. The tail end of an output shaft of the servo motor is connected with a long shaft which is vertically arranged and extends into the hydrolysis tank body through a coupler, a spiral stirring blade in a spiral shape is fixedly mounted on a rod body of the long shaft located in the hydrolysis tank body, and an attaching ring is fixedly mounted on a rod body at the bottom end of the long shaft; a horizontal supporting rod is fixedly installed on the inner wall of the bottom of the hydrolysis tank body, a left supporting ring and a right supporting ring which are mutually symmetrical are fixedly installed on the top face of the horizontal supporting rod, annular grooves are formed in the supporting rings, a rod body at the bottom end of the long shaft is located in the annular grooves and rotationally connected with the annular grooves, and the upper surfaces of the supporting rings are covered with attaching rings. The reaction kettle disclosed by the utility model is convenient for stirring operation, has better stability and is beneficial to hydrolysis operation.