36results about How to "Prevent browning" patented technology

The invention discloses an apple rootstock tissue culture seedling raising method, and relates to the technical field of tissue culture. The method comprises the following steps: (1) washing annual robust branches with tender shoots in a dormancy period with running water, soaking with soapy water, cleaning, obliquely shearing into stem segments, soaking with alcohol, washing, sterilizing, washing, absorbing moisture, and shearing off wounds to obtain pretreated explants; (2) inoculating the pretreated explant into a differential culture medium, and culturing to obtain an adventitious bud; (3) transferring the adventitious buds into a proliferation culture medium, and performing dark culture and light culture to obtain adventitious bud clusters; (4) inoculating the adventitious bud clusters into a rooting culture medium, and culturing to obtain tissue culture seedlings; and (5) hardening the tissue culture seedlings, washing off the culture medium, disinfecting, putting into a culture medium, culturing to obtain apple seedlings, and transplanting to outdoor soil. According to the method, the seedlings capable of being transplanted outdoors can be rapidly obtained, and the problems of infectious microbe pollution, low survival rate, poor rooting effect and the like in existing tissue culture seedling culture are effectively solved.

According to the method for prolonging the fresh-keeping period of the fruits by using the controlled atmosphere fresh-keeping box, the controlled atmosphere fresh-keeping box is prepared by improving the sealing performance of a common fresh-keeping box and covering a certain area of the common fresh-keeping box with a film, and the fruits are put into the box to be stored. When the area of the covering film is 20%, the lotus seeds are stored in a box, and 1-methylcyclopropene can be added; when the area of the covering film is 34.8%, the longan is placed in a box to be stored. Compared with the control, the modified atmosphere preservation box treatment can reduce the weight loss rate and browning degree of the lotus seeds and maintain the contents of Vc, amylose, total phenols and soluble solids; compared with a control group, the modified atmosphere preservation box treatment can inhibit browning of longan peel, delay reduction of soluble solids, acidity and vitamin C, inhibit increase of malondialdehyde content, reduce peroxidase activity and improve catalase activity and glutathione content. According to the technology, the shelf life of the fruits can be effectively prolonged, and the problems that an existing fresh-keeping method is tedious and short in fresh-keeping period are solved.

The invention relates to the technical field of browning inhibition of fermented rose wine, in particular to a composite browning inhibitor for fermented rose wine and application of the composite browning inhibitor. The composite browning inhibitor provided by the invention is a browning inhibitor especially suitable for the fermented rose wine, can effectively inhibit the browning of the fermented rose wine, and can effectively improve the sensory quality of the fermented rose wine. The composite browning inhibitor is prepared from the following components: calcium chloride, glutathione, EDTA-Na2 (Ethylene Diamine Tetraacetic Acid) and D-sodium erythorbate, wherein the mass ratio of the calcium chloride to the glutathione to the EDTA-Na2 to the D-sodium erythorbate is (1.3 to 2.0) to (0.5 to 1.1) to (0.02 to 0.06) to (0.12 to 0.19).

The invention discloses an apple rootstock tissue culture seedling raising method, and relates to the technical field of tissue culture. The method comprises the following steps: (1) washing annual robust branches with tender shoots in a dormancy period with running water, soaking with soapy water, cleaning, obliquely shearing into stem segments, soaking with alcohol, washing, sterilizing, washing, absorbing moisture, and shearing off wounds to obtain pretreated explants; (2) inoculating the pretreated explant into a differential culture medium, and culturing to obtain an adventitious bud; (3) transferring the adventitious buds into a proliferation culture medium, and performing dark culture and light culture to obtain adventitious bud clusters; (4) inoculating the adventitious bud clusters into a rooting culture medium, and culturing to obtain tissue culture seedlings; and (5) hardening the tissue culture seedlings, washing off the culture medium, disinfecting, putting into a culture medium, culturing to obtain apple seedlings, and transplanting to outdoor soil. According to the method, the seedlings capable of being transplanted outdoors can be rapidly obtained, and the problems of infectious microbe pollution, low survival rate, poor rooting effect and the like in existing tissue culture seedling culture are effectively solved.

The invention belongs to the technical field of plant genetic engineering, and particularly relates to a genetic transformation method of perennial elymus nutans. According to the genetic transformation method of elymus nutans, mature embryos serve as explants for inducing callus formation, the method has the advantages that material obtaining is convenient, operation is simple and easy, the supply problem of explant material obtaining is solved, and meanwhile the physiological state of the mature embryos is consistent, so that the repeatability of experiments is good; in addition, the infection liquid contains the acetosyringone, and the acetosyringone (AS, Acetosyringone) can promote the growth of agrobacterium tumefaciens and enhance the activity of the agrobacterium tumefaciens, so that the conversion efficiency is improved; the browning phenomenon of the calluses is effectively inhibited through sterilization treatment, the normal growth of the calluses can be recovered, the transgenic elymus nutans plants are obtained through the technical scheme, and the research of researchers on the gene functions of the elymus nutans can be greatly promoted.

The invention provides a method for delaying post-harvest physiological deterioration of cassava and reducing superoxide anion level of cassava through nickel sulfate treatment, and belongs to the technical field of post-harvest preservation of cassava. According to the method, cassava is treated through nickel sulfate contact, the superoxide anion level of cassava is reduced, and post-harvest physiological deterioration of cassava is delayed; therefore, physiological browning and deterioration of the cassava after picking are effectively prevented, and good storage quality of the cassava can be maintained. The method is high in practicability and simple and convenient to operate, can effectively prolong the storage time of the cassava, and has good development and application values in the links of storage, transportation, industrial production and the like of the cassava as an industrial raw material.

This invention relates to the field of food preservation technology and discloses a liquid preservative for preserving fresh walnut kernels. The preservative comprises a natural preservative, a solubilizing and stabilizing agent, and a solvent. This liquid preservative uses natural phloretin as the preservative component, combined with Tween 80 as a solubilizing and stabilizing agent and ethanol as a solvent. This effectively solves the problems of poor water and oil solubility and inadequate stability of phloretin, allowing it to be stably dispersed in the preservative system and fully exert its antioxidant and antimicrobial effects. Furthermore, the preparation method is simple and easy to implement, and the production process is safe and controllable. It is convenient to use; the preservation of fresh walnut kernels can be achieved through dilution and soaking. The diluted solution can be reused, reducing usage costs. Simultaneously, it can inhibit bacterial growth during the storage of fresh walnut kernels, delay oxidative deterioration, maintain their good appearance and quality, extend shelf life, and meet the market demand for high-quality fresh walnut kernels.

The utility model relates to the technical field of sweet potato peeling, and discloses a sweet potato selecting and peeling device which comprises a peeling box, the top of the peeling box is connected with a box cover through a hinge, a motor is installed at the bottom of the peeling box, and the output end of the motor is fixedly connected with a rotating shaft. The other end of the rotating shaft extends into the peeling box and is fixedly connected with a centrifugal disc, the top of the centrifugal disc is fixedly connected with a frosted plate through a mortise lock mechanism, a spraying box is installed at the position, located above the frosted plate, in the peeling box, and water tanks are fixedly connected to the outer surfaces of the two sides of the peeling box correspondingly; according to the device, spraying water can be continuously added into the spraying box through the pumping and pressing mechanism while the motor drives the centrifugal disc and the frosted plate to rotate and peel, so that the surfaces of sweet potatoes can be isolated from air by utilizing the spraying water, and the surfaces of the peeled sweet potatoes can be prevented from generating browning and breeding bacteria; therefore, the peeling quality of the device is greatly improved.

The invention relates to the technical field of microorganisms and the field of food, in particular to lactobacillus plantarum for inhibiting brown stain of soybean paste and application of lactobacillus plantarum. The lactobacillus plantarum is screened from traditional naturally-fermented peasant soybean paste in northeast China, and is preserved in China General Microbiological Culture Collection Center (CGMCC) on June 30, 2025, and the preservation number is CGMCC No.35048. The lactobacillus plantarum has an obvious browning inhibition effect and can be widely applied to fermented food production.

The invention provides a culture method for obtaining high-quality hemsley rockvine root calluses, belongs to the technical field of tissue culture, and aims to solve the problems of slow growth, high adventitious root occurrence rate, premature aging of the calluses, serious browning, high death rate after subculture and the like in the hemsley rockvine root callus growth process. The culture method comprises the following steps: step 1, pretreatment of explants; step 2, callus induction culture: putting the treated explant into a callus induction culture medium, and putting the callus induction culture medium in an environment with a day-night temperature difference for callus induction culture; and step 3, subculture and enlarged culture of the callus: stripping the callus generated on the stem segment in the step 2, transferring the callus to a subculture multiplication medium, adjusting the light quality ratio of red light to blue light, and carrying out subculture in an environment with gradually changed day temperature to obtain the high-quality hemsley rockvine root callus. In the subculture process, the content of zeatin is increased, the light quality ratio is adjusted, and the high-quality hemsley rockvine root callus can be obtained in a circulation management mode that the daily temperature is gradually changed.

The invention discloses cold shock induced autolytic saccharomyces cerevisiae as well as a construction method and application thereof. The cold shock induced autolytic saccharomyces cerevisiae expresses a gene for coding and decomposing a cell wall component, and the gene for coding and decomposing the cell wall component comprises a coding gene bgl2 of incision beta-1, 3-glucanase, a coding gene cts1 of chitinase and a coding gene manA of beta-mannase; the promoter for coding the gene for decomposing the cell wall component is a cold shock inducible promoter. According to the prepared cold shock induced autolysis saccharomyces cerevisiae, engineering bacteria can be induced to generate obvious autolysis through one-time cold shock, meanwhile, reaction products do not need to be sterilized at high temperature, and the browning phenomenon caused by the Maillard reaction of polysaccharide and protein in filtrate under the high-temperature condition is avoided.

The invention discloses a red apple juice beverage and a preparation method thereof. The red apple juice beverage comprises 100 parts of freshly squeezed apple juice and 0.1-0.5 parts of water chestnut extract; the freshly squeezed apple juice comprises Fuji apple juice and red apple juice; the water chestnut extract comprises a supernatant extract and a precipitate extract. The water chestnut is pulped, treated with steam, and enzymatically hydrolyzed to obtain a supernatant and a precipitate; the supernatant and the precipitate are ultrasonically treated respectively, and the supernatant is extracted with ethanol to obtain a supernatant extract; the precipitate is extracted with dilute acid to obtain a precipitate extract, and the supernatant extract and the precipitate extract are mixed to obtain a water chestnut extract. The present invention enzymatically hydrolyzes water chestnuts (including peels), and then separately extracts the obtained supernatant and precipitate, and the obtained water chestnut extract is added to the freshly squeezed apple juice, which can not only reduce the content of polyphenol oxidase in apple juice and prevent browning, but also delay juice stratification, and will not affect the taste of apple juice.

The invention relates to the technical field of improved variety breeding of crops, in particular to an efficient breeding method for healthy sugarcane seedlings, which comprises the following steps: step 1, taking materials and inducing; step 2, callus differentiation; step 3, multiplication culture; step 4, root promoting culture; 5, heeling in and transplanting: transplanting rooted tissue culture seedlings outdoors, carrying out single-plant field planting to obtain healthy sugarcane original seedlings, and transplanting the healthy sugarcane original seedlings into a field; step 6, tillering pruning and cuttage: after the sugarcane original seedlings are tillered, cutting off main stems, and performing cuttage breeding through a cuttage device after soaking treatment. According to the method, a large number of healthy sugarcane seedlings are obtained through the tissue culture technology, the seedlings have the advantages of being high in growth speed, good in quality and the like, meanwhile, an oblique cutting mode in the cutting technology is combined, tillering stems are reused, the breeding efficiency is improved, and then efficient breeding of the healthy sugarcane seedlings is achieved.

The invention relates to the field of food, in particular to a stabilizer for improving the stability of Chinese chestnut sauce, a preparation method of the stabilizer and application of the stabilizer in improving the properties of the Chinese chestnut sauce. In the stabilizer, trehalose has good water binding capacity and can reduce the water activity in a system and hinder recrystallization of starch, and hydroxyl groups of trehalose molecules can interact with the starch to form a stable structure and hinder movement of water molecules, so that the stability of the Chinese chestnut sauce is improved; palmitic acid in the palm oil is a saturated fatty acid, can maintain relatively high fatty acid unsaturated index and fatty acid unsaturation degree of the Chinese chestnut sauce, can relieve peroxidation of the Chinese chestnut sauce, effectively maintains integrity and stability of the Chinese chestnut sauce, and delays occurrence of browning of the Chinese chestnut sauce; sodium alginate and xanthan gum have good film-forming properties, and can effectively limit internal and external gas exchange and isolate microorganisms. Therefore, the stabilizer provided by the invention can improve the stability of the Chinese chestnut sauce.

The invention belongs to the technical field of Schima superba tissue culture seedlings, and is specifically related to a tissue culture seedling method of a Schima superba excellent family. A combination of primary culture, subculture, root culture, domestication and seedling hardening methods is adopted, wherein two culture media are used for alternating culture in subculture, one for promoting budding, and the other for making the seedlings more robust and the leaves more stretched, and the alternating culture makes the Schima superba seedlings maintain the high quality of the subculture seedlings while maintaining a high value-added coefficient, which is conducive to subsequent root culture, and camphor essential oil / hydrosol or Melaleuca alternifolia essential oil / hydrosol is added to the culture medium, which is conducive to antibacterial disinfection, prevents the culture medium from getting moldy and the explant from browning, and in the domestication and hardening of the Schima superba tissue culture seedlings, firstly, the roots are stained with yellow heart soil slurry, and the root system will be more capable of retaining water after being wrapped with a layer of mud, and the yellow heart soil and perlite in the cultivation medium ensure the water retention and air permeability of the matrix, so that the transplant survival rate is greatly improved, and finally high-quality tissue culture seedlings are obtained.

The application discloses a method for reducing the browning rate of Zanthoxylum bungeanum in tissue culture, and belongs to the technical field of Zanthoxylum bungeanum tissue culture. The method is characterized by adopting polyvinylpyrrolidone and modified chitosan as raw materials to prepare a prevention and control agent, coating the tissue culture material with the prevention and control agent, inoculating the coated tissue culture material into a culture medium, and then carrying out tissue culture, so that the phenolic substances released by the tissue culture material and the quinone products formed by oxidation are adsorbed and fixed and covalently combined, the damage to the tissue culture material is reduced, the browning rate of Zanthoxylum bungeanum in tissue culture is effectively reduced, the propagation efficiency of Zanthoxylum bungeanum in tissue culture is ensured, and the method has a good application prospect in the field of Zanthoxylum bungeanum tissue culture.

The invention relates to the technical field of microorganisms, and particularly discloses bacillus subtilis KG25 and application thereof. The bacillus subtilis KG25 is preserved in the China Center for Type Culture Collection on September 1, 2025, the classification name of the bacillus subtilis KG25 is bacillus subtilis KG25, and the preservation number of the bacillus subtilis KG25 is CCTCC (China Center for Type Culture Collection) NO: M 20251927. The bacillus subtilis KG25 provided by the invention can be used for synthesizing surfactin with relatively high content, has a function of inhibiting enzymatic browning, and has a very remarkable fresh-keeping function on fresh-cut fruits and vegetables. The composite preservative containing the bacillus subtilis KG25 fermentation liquor provided by the invention is used for soaking fresh-cut fruits and vegetables, so that the normal-temperature storage period can be prolonged to 7 days, and the composite preservative has a wide application prospect in the field of fruit and vegetable preservation.

The invention discloses a color-protecting bacteriostatic agent for long-term fresh-keeping storage of fresh-cut potatoes and a preparation method of the color-protecting bacteriostatic agent, and the color-protecting bacteriostatic agent comprises 0.5-1 wt% of a tea polyphenol solution and has good color-protecting and bacteriostatic effects. The preparation method of the color-protecting bacteriostatic agent can reduce the decomposition of antioxidant components of the color-protecting bacteriostatic agent. The invention also discloses a long-term fresh-keeping storage method of the fresh-cut potatoes, which comprises the following steps: step 1, cleaning the potatoes, and immersing the cleaned potatoes in flowing water for treatment to obtain the fresh-cut potatoes; step 2, soaking in a color-protecting bacteriostatic agent for 3-5 minutes; and step 3, draining water, sealing and packaging, and storing at 2-4 DEG C. According to the long-term fresh-keeping storage method, the fresh-keeping period of the fresh-cut potatoes can be prolonged, and browning and microorganisms of the fresh-cut potatoes are effectively inhibited.

This invention provides a method for producing allulose using an allulose-producing enzyme having high pH stability in a low-pH region. The method comprises a step of allowing a polypeptide consisting of the amino acid sequence shown in SEQ ID NO: 6 or a polypeptide consisting of a sequence having 90% or higher identity to the amino acid sequence shown in SEQ ID NO: 6 and capable of producing allulose to react with fructose under acidic conditions in which pH is less than 6.

The invention belongs to the technical field of plant tissue culture, and discloses a Paeonia fulva tissue culture and rapid propagation method for inducing cluster buds by using immature embryos, which comprises the following steps: collecting fresh seeds at a specific development stage, sterilizing, and stripping embryos aseptically; inoculating the embryos into a germination culture medium containing 6-BA, IAA and GA3 to start culture; after radicle tail ends of the germinating embryos are cut off, the embryos are directionally inoculated to a subculture medium according to the original polarity, and sterile seedlings are obtained; transferring the seedlings into an induction culture medium containing 6-BA, IAA and charcoal to induce cluster buds, and further proliferating; cutting robust tender shoots, removing cotyledons, and inoculating into a rooting culture medium containing IBA (indolebutyric acid), NAA (naphthylacetic acid) and charcoal to induce rooting; and finally, carrying out strong seedling culture and domestication transplanting to obtain a survived plant. According to the method, the deep dormancy obstacle of the seeds is broken through, efficient and stable regeneration from embryos to seedlings is achieved, the breeding cycle is short, the rooting and transplanting survival rate is high, and the method is suitable for large-scale protection and production of rare resources.

The invention discloses a production method of high-dietary-fiber cat litter bean dregs. The production method comprises the following steps: soaking soybeans in water and cleaning; the pretreated soybeans and water are mixed and ground into thick liquid, the obtained ground paste is subjected to high-speed centrifugation and then separated, and soybean milk and wet bean dregs are obtained; adding water into the obtained wet bean dregs and stirring; and sequentially carrying out filter pressing, crushing, steam explosion, airflow flash drying and dry crushing on the wet bean dregs which are stirred by adding water to obtain the high-dietary-fiber cat litter bean dregs. The bean dregs generated in the bean product processing process are subjected to high-value development and utilization, and the dried bean dregs for the cat litter, which are low in moisture content and protein content, high in dietary fiber content, easy to store and transport, safe, sanitary, good in water absorption, easy to loosen without caking, clean and sanitary, are prepared.

The utility model belongs to the technical field of potato processing equipment, and provides a vacuum potato peeling and dicing device which comprises a peeling cylinder, the peeling assembly comprises a driving motor, a chassis, a top rotating disc and a pushing and pressing mechanism, the chassis is provided with a bottom grinding leather roller, and the top rotating disc is provided with a top grinding leather roller; the pushing and pressing mechanism can push the potatoes into the dicing pipeline to be diced; the vacuum pump is communicated with the peeling cylinder through a vacuum pipeline; an output shaft of the driving motor is sleeved with the chassis, the top rotating disc is fixedly arranged on the output shaft of the driving motor, and the output shaft of the driving motor is sleeved with the pushing and pressing mechanism. The vacuum potato peeling and dicing device provided by the utility model can ensure that potatoes are in a vacuum environment in the peeling and dicing processing process, so that oxidation and browning are avoided, the nutritional value, taste and flavor of the potatoes are effectively reserved, peeling and dicing processing can be automatically and continuously completed, the labor intensity of workers is reduced, and the vacuum potato peeling and dicing device is simple and convenient to use and high in efficiency. And the peeling and dicing processing efficiency is improved.

The invention discloses an agrobacterium tumefaciens-mediated bottle gourd stable genetic transformation method. The invention provides a bottle gourd stable genetic transformation system mediated by agrobacterium tumefaciens. The system provides a key technical platform for gene function research and molecular breeding of bottle gourds. An agrobacterium tumefaciens-mediated genetic transformation method is adopted, and the principle is that a target gene is inserted into a modified T-DNA region, an agrobacterium tumefaciens infection mechanism is utilized to realize transfer and integration of an exogenous gene to a plant cell, and a transgenic plant is obtained by combining a tissue culture technology. According to the method, screening culture is not carried out, after co-culture is carried out for two days, a fluorescence microscope is used for observing the fluorescence area of a groove part of a seed notch, the agrobacterium infection efficiency is judged, screening is carried out, and detection is carried out again after seedlings are obtained, so that the time is saved by 30-40 days compared with genetic transformation of plants needing screening culture; the method has the advantages of good hereditary stability and simple operation.

The invention discloses a fresh-keeping method for reducing high-temperature damage of litchi peels. The method comprises the following steps: soaking litchis in a propylene glycol solution, taking out the litchis, airing, soaking the litchis in a glutathione solution, and carrying out quarantine high-temperature treatment. The moisturizing and antioxidant treatment method can effectively prolong the shelf life of the litchis and reduce the problem of quality degradation after high-temperature treatment, so that the litchis keep good commodity value in the export process.

The invention provides a method for delaying physiological deterioration of cassava after harvesting and reducing superoxide anion level of cassava through treatment of a copper-containing solution, and belongs to the technical field of preservation of cassava after harvesting, the method is characterized in that cassava is treated through contact of the copper-containing solution, the superoxide anion level of cassava is reduced, and physiological deterioration of cassava after harvesting is delayed. Therefore, physiological browning and deterioration of the cassava after picking are effectively prevented, and good storage quality of the cassava can be maintained. The method is high in practicability and simple and convenient to operate, can effectively prolong the storage time of the cassava, and has good development and application values in the links of storage, transportation, industrial production and the like of the cassava as an industrial raw material.

The invention belongs to the technical field of tea making, and particularly relates to cold extraction tea and a making method thereof. The making method of the cold-extracted tea comprises the following steps: S1, mixing tea leaves with RO water at 0-4 DEG C to obtain a tea water mixture; s2, grinding the obtained tea water mixture to obtain tea soup; and S3, carrying out high-pressure jet treatment on the obtained tea soup, standing for a certain time, and filtering to obtain a tea extract. According to the tea making process, on the basis of ensuring the extraction rate of small molecular substances such as theanine in the tea leaves, the release rate of caffeine can be inhibited to a certain extent, premature oxidation of tea soup is prevented, the turbidity of the tea soup is reduced, the problem of secondary precipitation of products is prevented, and the taste of the tea soup is kept.

The application provides a preparation and application of an anti-aging starch-based emulsifier, wherein the preparation method comprises five steps of amorphization, oxygen-free pyrolysis, low-temperature gelatinization, centrifugal separation and spray drying; the amorphization and overheated steam treatment are combined, the pyrolysis efficiency and solubility of starch are improved, and browning and peculiar smell are prevented; the starch granules after pyrolysis are subjected to low-temperature gelatinization and centrifugal separation to obtain a soluble starch solution with suitable molecular weight and chain length distribution, and the starch granules form granular molecular clusters in water, adsorb and stabilize the oil-water interface; due to strong adsorption force, the starch molecular clusters are difficult to be widely crosslinked, and the aging of the starch emulsifier is effectively inhibited; the starch-based emulsifier provided by the application has the characteristics of anti-aging and pure naturalness, and is suitable for food, pharmaceutical and other industries.

This invention belongs to the field of food processing technology, specifically relating to a method for producing high-antioxidant-activity, low-oil, crispy whole-fruit water chestnut chips. Using whole water chestnut bulbs as raw material, this invention employs ultrasonic-ultra-micro pulverization synergistic cell wall breaking, high-voltage pulsed electric field assisted treatment, and vacuum low-temperature puffing to prepare a high-antioxidant-activity, low-oil, crispy whole-fruit water chestnut chip. This method eliminates the need for frying, utilizing a high-voltage pulsed electric field to inactivate enzymes and sterilize, combined with the instantaneous pressure difference during low-temperature vacuum puffing to fix the starch micropores, while retaining characteristic active substances such as polyphenols, flavonoids, and phellandrene. This results in chips with an oil content ≤8 g / 100g, a total phenol retention rate ≥85%, and a puchin content ≥0.18 mg·g⁻¹ DW. The chips are crispy, have a rich natural fruity aroma, and a long shelf life, providing a new solution for producing clean-label, zero-waste, high-nutrient-density snacks.

The present application relates to a kind of monocotyledon green wisteria rapid propagation method, using the characteristics of green wisteria specific tissue cell totipotency, under open condition, using liquid medium to induce green wisteria specific site of in vitro leaf split differentiation, produce regenerative root and regenerative bud, finally form plant.The present application aims at the rapid propagation method of green wisteria leaf, without sterile environment, convenient to take material, easy to operate, low in cost, short in period, high in survival rate, with the advantages of high efficiency, economy, easy to scale, factory, etc., in green wisteria rapid seedling, specific material preservation and propagation has greater application value.

The invention relates to the technical field of beverage processing, and particularly discloses selenium-enriched apricot kernel juice and a preparation method thereof. According to the preparation method provided by the invention, almonds are taken as a base material, xylitol is adopted to completely replace cane sugar, a Maillard reaction is blocked, a delta E color difference value is less than or equal to 1.2, and bitter taste is eliminated; constructing a mono-and diglycerol fatty acid ester compound emulsifier, and cooperating with limited xanthan gum to form an emulsification system, so as to realize the fat globule particle size lt; the viscosity of the system is 120 + / -10 mPa.s; sodium bicarbonate is added to adjust the pH value to 7.8-8.0, and a selenium-rich wheat aleurone layer and an emulsification system are utilized for co-embedding, so that the selenium recovery rate is gt; the prepared selenium-rich apricot kernel juice has the characteristics of stable color, smooth taste and efficient selenium enrichment, and is suitable for industrial production.