30results about How to "High color ratio" patented technology

The invention provides an Aspergillus oryzae ZA109 which has been deposited in the Guangdong Microbiological Culture Collection Center on November 15, 2018, wherein the preservation number is GDMCC NO: 60478 and the preservation address is Building 59, No.100 courtyard, Xianlie Middle Road, Guangzhou. The Aspergillus oryzae ZA109 strain of the present invention takes Aspergillus oryzae As3.951 asa starting strain and is obtained by mutation breeding. The Aspergillus oryzae ZA109 of the invention has high proline aminopeptidase activity, and the proline aminopeptidase produced by fermentationdestroys the N-terminal proline residue of a bitter peptide, thereby achieving the purpose of removing bitterness of a soy sauce. At the same time, on the basis of maintaining the integrity of an original enzyme system of Aspergillus oryzae, the high-activity proline aminopeptidase can also promote the deep hydrolysis of protein, and is beneficial to reducing the raw material consumption rate in the koji-making stage. When applied in the preparation of a soy sauce or a sauce, the strain can further improve the utilization rate of the raw materials, and produce a seasoning which is fresher, sweeter and more palatable in taste.

The invention provides a method of preparing chestnut shell brown pigment by ultra-micronization in cooperation with pulsed electric field, comprising the steps of (1), cleaning, washing and drying chestnut shells and then primarily crushing the chestnut shells; (2), adding coarse chestnut shell powder into an ultra-micronization apparatus for wall breaking to obtain chestnut shell superfine powder; (3), using ethanol solution as an extracting solvent to extract the chestnut shell superfine powder by the aid of a pulsed electric field treating device, filtering, and combining double extracts to obtain pigment extract; (4), concentrating the pigment extract under reduced pressure to 1 / 3 of the original size, and carrying out alcohol precipitation, solid-liquid separation, concentration and drying to obtain the chestnut shell brown pigment that is powdery. The ultra-micronization and pulsed electric field treating techniques are combined, no heating is required to provide quick and complete dissolution of the chestnut shell pigment, extracting time and energy can be greatly saved, and the method has the advantages of rich material sources, low extracting temperature, high product yield is high, short treatment time, good operational simplicity and the like; the obtained chestnut shell brown pigment has high color intensity, good water-solubility, stable quality, safety with no toxicity and is worthy of practical production and conversion and practical popularization and application.

The method for producing melanoid by using amino acid and glucose Maillard reaction includes the following steps: adding 90%-99% of glucose and 1-10% of amino acid or amino acid composite in a reactor, heating to 120-150 deg.C, after 2-3 hr. the melanoid used in food, beverage and medicine can be obtained. Said invention has no need of adding NH4Cl, (NH4)2SO4, urea or ammonia water, its taste is good, colour intensity is high, it contains no carcinogenic harmful substances of 4-methyl imidazole. Its preparation process is simple and operation is convenient.

The invention discloses a non-steaming and non-cleaning water additive for the first time, the main component of which is the polycondensation product of polyfunctional cross-linking reactive polycondensate and cationic quaternary ammonium salt polymer, including diethylenetriamine and epichlorohydrin Polycondensate, a polymer of dimethyldiallyl ammonium chloride and a crosslinking agent, and a polycondensate of a low-temperature self-crosslinking accelerator. The use of this additive can realize the combination of digital cold transfer printing and non-steaming and non-washing water additives, which is flexible, fast-reversing, energy-saving and environmentally friendly waterless printing production, that is, the number of meters of printing transfer film required for flexible printing by digital printers , high-precision and high-uniformity transfer printing technology, and quick-reverse production with a short process of no-steaming and no-cleaning water, realizing the rapid production process of reactive dye waterless printing. This printing process is the first printing method in the printing industry.

The invention provides a spray processing method and a spray machine for fabric dyeing and finishing. Under the combined action of gravity and electric field force, the first droplet is sprayed onto the fabric as the second droplet after passing through the alternating cold and heat environment, so that the second droplet forms a micro-scale dyeing and finishing area on the fabric; An induced electric field is formed between the electrostatically charged second droplet and the fabric, thereby providing said electric field force in the upper. The invention reduces the difficulty of spraying and saves the waste of dyeing and finishing auxiliaries, so that the dyeing and finishing thickness, color ratio and dyeing and finishing efficiency are all improved within the same time. On the basis of improving the uniformity, deposition rate, dyeing and finishing efficiency of dyeing and finishing, reducing energy consumption and dyeing and finishing processing, and then setting up alternating hot and cold environment areas to assist in improving dyeing and finishing thickness, color ratio and dyeing and finishing efficiency.

The invention provides preparation and application of a tobacco slice additive having an aroma-enhancing effect and a coloring effect. The preparation method of the additive includes: (1) removing impurities from chestnut shells, cleaning the chestnut shells, drying the chestnut shells, and crushing the chestnut shells; (2) mixing the chestnut power in an aqueous solution to perform enzymolysis treatment by using cellulase; and (3) adding a certain mass of glucose and compound amino acid into the enzymatic hydrolysate of the step (2), controlling a process condition, extracting pigment of the chestnut shells in an alkaline condition, performing a Maillard reaction, filtering and concentrating the reaction solution to obtain the tobacco slice additive. The obtained tobacco slice additive has the aroma-enhancing effect and the coloring effect, can be used as a spice additive to perform aroma-enhancing treatment on tobacco slices, and can be used as a coloring agent to dye the tobacco slices; and the obtained tobacco slice additive is low in preparation cost, is simple in process, is remarkable in scorch aroma, is good in aroma quality, is high in color index, is excellent in water solubility, is stable in quality, is safe and non-toxic, and has actual production conversion and promotion application value.

The invention discloses a preparation method of caramel pigment with a reduced 4-methylimidazole content. The method includes the steps of: firstly preparing raw material sugar into a sugar solution, then adding ammonia water serving as the catalyst and adding amino acid, stirring the substances evenly, then rapidly raising the temperature to 140+ / -2DEG C and carrying out heat preservation reaction for 55-65min; cooling the reaction product to lower than or equal to 50DEG C rapidly, and concentrating the cooled reaction product to obtain a concentrated caramel pigment solution; and further drying the concentrated caramel pigment solution to a water content of less than or equal to 5% so as to obtain solid caramel pigment. According to the invention, the level of 4-methylimidazole in caramel pigment is significantly lowered by means of adding amino acid in the production link, thereby realizing production of high quality and safe edible caramel pigment with low 4-methylimidazole content without changing the existing production process and facilities.

The present invention discloses a diacylhydrazone compound capable of performing ultraviolet-fluorescent double-pass recognition of cyanide ions and synthesis thereof, and belongs to the technical field of chemical synthesis and anion detection. The diacylhydrazone compound is obtained by reflux reaction of ethanol as a solvent, acetic acid as a catalyst, and isophthaloyl hydrazine and 2-hydroxy-1-naphthaldehyde as substrates. Experimental results show that in a water-containing system of the diacylhydrazone compound, the solution changes from colorless to light yellow only by addition of CN<->; under ultraviolet lamp irradiation, fluorescence of the compound solution can open only by addition of the CN<->, so that the compound is capable of easily and quickly performing high sensitivity high selectivity colorimetric fluorescent double-pass recognition of the CN<-> in the aqueous solution, the synthesis process is simple, cost is low, and the diacylhydrazone compound as a simple and effective diacylhydrazone recognition receptor has broad application prospects.