36results about How to "Increase color value" patented technology

The invention discloses a method of preparing concentrated clear red jujube juice with high cAMP content, which comprises the following steps: taking out red jujube after rehydration, denucleating and then crushing pulp for preparing the red jujube thick liquid; conveying the red jujube after enzymolysis by pectinase into a juicer for squeezing, and filtering to obtain the red jujube juice; adding pectinase, amylase and cellulose into the red jujube juice for heat-preservation and enzymolysis for 60-90 minutes; and clearing, conducting concentration sterilization, and finally bulking. The concentrated clear red jujube juice prepared by the invention is clear and transparent, has the cAMP content being larger than or equal to 100 mg/Kg and soluble solid state material being larger than or equal to 60.0 Brix, is deposit-free and suspension-free, has brownish red color and does not have impurities which can be seen by naked eyes; and the concentrated juice is diluted to the soluble solidstate material being 60.0 Brix, and the juice has inherent fragrance and flavor of red jujubes and is free from extraneous odor.

The invention discloses a concentrated sea-buckthorn clear juice and a preparation method thereof. The preparation method comprises the following steps: (1) washing, crushing, enzymatically hydrolyzing and squeezing sea-buckthorn fruits orderly, separating out fruit residue to obtain a raw sea-buckthorn juice, and rehydrating the fruit residue and squeezing again to obtain the raw sea-buckthorn juice; (2) pasteurizing the sea-buckthorn juice, adding an enzymic preparation for further enzymatic hydrolysis, and separating out the extracted sea-buckthorn fruit oil to obtain the sea-buckthorn juice; (3) orderly performing ultrafiltration, decoloration, reverse osmosis membrane concentration and concentration by use of a quadruple effect vacuum evaporator on the sea-buckthorn juice, thereby obtaining the concentrated sea-buckthorn clear juice. According to the preparation method of the concentrated sea-buckthorn clear juice, twice enzymatic hydrolysis, twice squeezing and twice concentration are adopted in the process of preparing the concentrated sea-buckthorn clear juice, and therefore, the fruit juice extraction rate is increased and nutritional ingredients in the fruit juice are not damaged and lost; meanwhile, the preparation method is energy-saving, low in consumption and low in production cost; the prepared sea-buckthorn clear juice has relatively high sugar degree, acidity, color value and light transmittance, and is stable in quality and easy to store.

The invention discloses a process for producing a cherry juice concentrate. The process comprises the steps as follows: washing cherries, crushing, removing stones, inactivating enzymes, cooling, leaching, cooling, performing enzymolysis, juicing, performing pasteurization, clarifying enzymatic hydrolysates, performing ultrafiltration, concentrating, performing pasteurization again, and packaging. The process improves the quality of the cherry juice concentrate. The cherry juice concentrate has a red brown or scarlet color, and is clear and free of sediments or suspended substances. The content of soluble solids is more than 60.0 Brix. When diluted until the content of soluble solids is 13.5 Brix, the cherry juice concentrate maintains the fragrance and flavor of cherries and smells good.

A process for preventing concentrated apple juice from browning includes such steps as squeezing apple to obtain apple juice, sufficient browning for 0.5-1.5 hr, gelatinizing, adding pectiase or amylase, enzymolyzizing, adding activated carbon particles, adsorbing for 6-8 hr, ultrafilter and concentrating.

The invention relates to a processing method of a granny smith apple juice. The method is characterized in that polyphenol enzyme activity is reduced by pretreatment such as blanching; nitrogen is filled during a squeezing process, so that a juice is isolated from the oxygen as much as possible before enzymolysis, and a browning reaction is inhibited; pectase is added for enzymolysis so as to enhance clarity; pH value is reduced by the action of ascorbic acid and malic acid; and the color value of the juice is improved by ion-exchange fiber adsorption.

The present invention relates to fruit juice beverage, and is especially one kind of new apple pear juice and its producing process. The new apple pear juice is produced with new apple pear, pectase accounting for 0.01-0.012 % of juice weight, and amylase accounting for 0.003-0.004 % of juice weight. The new apple pear juice is yellowish, sour and sweet, and rich in fruity fragrance. It has the health functions of moistening lung, eliminating phlegm, relieving cough, promoting the secretion of saliva to quench thirst, etc.

The invention discloses a method for controlling organophosphorus pesticide residue in bayberry juice through irradiation degradation. The method comprises the following steps of: 1) precooling the bayberry juice at the temperature of between 1 and 4DEG C for 100 to 140 minutes; and 2) putting the precooled into an enclosed container, irradiating by using 60Co-gamma rays as a radiation source, wherein the irradiation dose is 4.8-5.2kGy and the irradiation dose rate is 780-820cGy/min. By the method, the organophosphorus pesticide residue can be effectively, quickly and safely reduced or eliminated from the bayberry juice, so that the maximum organophosphorus pesticide residue in the bayberry juice reaches the national limit standard.

The present invention relates to a method for purifying monomers, wherein at least part of the monomers present in a starting composition is evaporated and is subsequently condensed, characterized in that at least part of the starting composition is evaporated in a short path evaporator, wherein the mass flow density of the vapors m is selected according to the relation (I), where M is the average molecular mass of the vapors in the short path evaporator in kg/kmol, T is the temperature of the vapors in K, pi is the pressure in the short path evaporator in mbar, and m is the mass flow density of the vapors in kg/(m2.h). The present invention further relates to a system for carrying out the method.

The invention discloses a decolorizing agent for reducing the brown stain index of yellow pear juice, and relates to the technical field of processing of yellow pear juice. A modified molecular sieve is used as a carrier, poloxamer/crospovidone is used as an adsorbent, a microwave impregnation method is used, and the decolorizing agent is prepared. The decolorizing agent disclosed by the invention is prepared through using the modified molecular sieve after modification strengthening treatment as the carrier; the decolorizing agent is specially used for reducing the brown stain index of the pear juice; and in the respect of the occurred brown stain of the yellow pear juice, after the decolorizing agent is used, the color value of the yellow pear juice is effectively increased, so that the appearance quality of the yellow pear juice is improved.

The invention relates to a centrifugal filtering method of paste juice in a cane sugar factory. The centrifugal filtering method comprises the following steps: (1) transporting paste juice obtained ina settling pond in a settling manner to a number-I centrifugal machine, separating the paste juice, transporting obtained filtered juice into a filtered juice box, and discharging obtained paste slaginto a paste slag and water stirring tank; (2) adding water into the mud slag and water stirring tank, and stirring; (3) transporting a material in the mud slag and water stirring tank to a number-IIcentrifugal machine, separating solids and liquid, transporting obtained filtered juice into a filter juice box, mixing the obtained filtered juice with the filtered juice in step (1), then transporting to a concentrating tank, and transporting obtained filtered paste to be used for producing organic fertilizer or feed, wherein the water content of the obtained filtered paste is less than 55 percent, and a sugar degree of the filtered paste is less than 4.5 percent. By adopting the method, the solids and the liquid of the paste juice in the cane sugar factory can be rapidly separated, the treatment time of the materials is shortened, the production efficiency is increased, the cane sugar loss of the filtered paste is reduced, the washing water amount is reduced, the energy is saved, the further comprehensive utilization of the filtered paste can be promoted, and the problems that the water content of the filtered paste is high, the filtered paste is difficult to transport and the clean production of the environment is influenced can be solved.

The invention discloses a sugar dissolving process in raw sugar machining by using a double-carbonic acid method. In the sugar dissolving process, raw sugar granules, water and lime milk or whitewash are synchronously mixed in a fair current mode so as to prepare raw syrup of which the pH value is 8.0 to 9.0. By utilizing the sugar dissolving process, the decomposition of cane sugar in the sugar dissolving process is reduced, the sugar loss is lowered, the inversion quantity of reducing sugar is reduced by more than 50%; the color value increase is reduced, that is, only 10%, so that the product quality is stably improved. According to the sugar dissolving process, the pH value of the raw syrup is adjusted by using the lime milk or whitewash; as the clearing agent used in the carbonic acid method raw sugar machining is just the lime milk which is added in advance in the sugar dissolving process, the amount of the lime milk can be reduced in a later lime milk adding procedure; and moreover as the lime added in the sugar dissolving process is changed into calcium carbonate in a later full filling procedure, the lime milk can be eliminated in a filtering procedure; and meanwhile by adopting the lime milk or the whitewash, the content of dissoluble salt in the syrup is not increased when the pH value is adjusted.

The invention provides a preparation method of high-quality brown granulated sugar, the method comprises the working procedures of raw material juice extraction, sugar juice clarification, evaporation, sugar boiling, crystallization assisting, honey separation and drying, in the triose boiling process of the post-stage sugar boiling working procedure, a compound enzyme preparation is added after diose honey starts to be added, molasses is added in the triose paste crystallization assisting process, and the triose paste is treated by immobilized sucrase, the brown granulated sugar produced by the method is high in yield, deep in color and not easy to cake.

The invention discloses a method for preparing pectin through a double-effect combined extraction technology. The method integrates respective advantages of inorganic acid extraction and resin ion exchange technology extraction, overcomes the disadvantages of long production cycle, low yield, low quality and difficult process control of traditional pectin, has the advantages of high extraction efficiency, energy saving, high yield, small destroys to the molecular chain and the gelling degree of pectin, and simple production control, and is very suitable for large-scale and industrialized production.

Relating to the technical field of resin processing, the invention discloses an enzymatic hydrolysate decolorization resin for natural pectin extraction. The enzymatic hydrolysate decolorization resin is prepared from the following raw materials by weight: 60-65 parts of cyclohexyl methacrylate, 40-45 parts of ethylene glycol dimethacrylate, 30-40 parts of divinyl benzene, 20-30 parts of a pore-forming agent, 5-10 parts of caprylic capric triglyceride, 4-8 parts of sodium carboxymethyl starch, 4-8 parts of microcrystalline cellulose, 3-6 parts of Carbomer 934, 3-6 parts of di-octadecyl dimethyl ammonium chloride, 2-4 parts of magnesium aluminum silicate, 2-4 parts of triallyl cyanurate, 1-2 parts of isopropyl myristate, 1-2 parts of an initiator, 0.5-1 part of polyaspartic acid, 15-20 parts of ethanol, and 200-250 parts of water. The resin prepared according to the invention is specifically used for enzymatic hydrolysate decolorization in a natural pectin extraction process, can effectively remove colored impurities from the enzymatic hydrolysate and coal ash brought in during pomace drying, and can reach a decolorization rate up to more than 98%, thereby significantly improving the color value and purity of the obtained pectin.

The invention discloses a preparation method of an orange juice beverage. The preparation method comprises the following steps: cleaning oranges, blanching the oranges at 75 DEG C to deactivate enzymes and peel the oranges to remove cortex and tangerine pith, and juicing the oranges with stirring to obtain fruit pulp at rotation speed of 550 r/min for 5 min; filtering the fruit pulp, pressing thefruit pulp to obtain orange juice; and mixing and blending the orange juice with potato juice to obtain the orange juice drink, wherein the mixing and blending comprises pouring a first orange juice into a stainless steel tank, stirring the first orange juice and adding a second orange juice in turn. The method for preparing the orange juice beverage can better inhibit browning, improve the storage time of the orange juice, and better maintain the taste of the orange juice, and at the same time, carotenoid can better improve the nutritional content of the product; besides, activated carbon canadsorb phenolic substances in the fruit pulp, vitamin C and other pigment substances to further inhibit browning of orange juice, and increase the color value of the orange juice to bring better useprospects.

The invention discloses a method for controlling pyrethroid pesticide residues in red bayberry juice by irradiation degradation. The method comprises the following steps of 1, pre-cooling red bayberry juice at a temperature of 1 to 4 DEG C for 100 to 140 minutes, and 2, putting pre-cooed red bayberry juice into an enclosed container, and carrying out irradiation by a 60Co-gamma ray as a radiation source, wherein an irradiation dose is in a range of 6.2 to 7.2kGy and a dose rate is in a range of 1200 to 1250cGy/min. The method can effectively, fast and safely reduce or eliminate pyrethroid pesticide residues in red bayberry juice so that a maximum residual value of the pyrethroid pesticide residues in the red bayberry juice reaches the EU standard. The invention discloses a method for controlling pyrethroid pesticide residues in red bayberry juice by irradiation degradation. The method comprises the following steps of 1, pre-cooling red bayberry juice at a temperature of 1 to 4 DEG C for 100 to 140 minutes, and 2, putting pre-cooed red bayberry juice into an enclosed container, and carrying out irradiation by a 60Co-gamma ray as a radiation source, wherein an irradiation dose is in a range of 6.2 to 7.2kGy and a dose rate is in a range of 1200 to 1250cGy/min. The method can effectively, fast and safely reduce or eliminate pyrethroid pesticide residues in red bayberry juice so that a maximum residual value of the pyrethroid pesticide residues in the red bayberry juice reaches the EU standard.

The invention discloses a beet sugar decalcification system. A production area comprises a plurality of ion exchange resin columns which are arranged in parallel; the cooling backwashing area comprises a failed ion exchange resin column switched from the production area; the regeneration area comprises an ion exchange resin column switched from the cooling backwashing area, and NaOH softening thin juice is used for regenerating resin in the ion exchange resin column subjected to backwashing; the leaching and preheating zone comprises an ion exchange resin column switched from the regeneration zone, and the softening thin juice leaches and preheats resin in the ion exchange resin column. After the softened thin juice obtained through the beet sugar thin juice softening method enters a subsequent evaporator and other procedures, the scaling phenomenon of the evaporator and crystallization sugar boiling equipment is reduced, the situation that production is stopped due to descaling of the evaporator and other equipment is avoided, continuous production of beet sugar is achieved, and labor cost is saved. And meanwhile, the service lives of the evaporator and the crystallization sugar boiling equipment are prolonged.

The invention discloses a centrifugal filtering system for mud juice from a cane sugar factory. The centrifugal filtering system comprises a sugar mud settling pond, a first centrifuge, a second centrifuge, a stirring tank, a storage tank and a washing water tank, wherein the sugar mud settling pond is connected with a feeding opening of the first centrifuge by a pipeline; a liquid outlet of the first centrifuge is connected with the storage tank by a pipeline provided with a first exhaust tank; a solid outlet of the first centrifuge is connected with the stirring tank through a guide pipe; the stirring tank is connected with a feeding opening of a second centrifuge by a pipeline; a liquid outlet of the second centrifuge is connected with the storage tank by a pipeline provided with a second exhaust tank; a discharging pipe for importing sludge is arranged at a solid outlet of the second centrifuge; the stirring tank is also connected with the washing water tank through a pipeline. Thesystem has the advantages that solid-liquid rapid separation of the mud juice from the cane sugar factory is realized, treatment time of materials is shortened, production efficiency is improved, loss of filtered mud sucrose content and washing water amount are reduced, and energy is saved.