2226 results about "Fruit juice" patented technology

The invention relates to the technical field of data processing and big data, in particular to a new-generation fruit juice production line automatic control and information management system, which comprises a control module, a data acquisition module, a data analysis processing module and a man-machine interaction module, the analysis module processes data through the steps of cleaning, standardization and the like, short-term and long-term dynamic threshold values are set according to a sliding window technology, early warning is triggered through real-time comparison, the control module adjusts equipment according to the early warning, and the man-machine interaction module is used for management personnel to operate and check information; the objective of the invention is to solve the problems that fruit juice production line equipment control is not intelligent, production data cannot be effectively managed and product quality is difficult to monitor and early warn in time.

The invention relates to the technical field of microorganisms, in particular to a lactobacillus kefir-producing subsp. Kefir W182 and application thereof. The preservation number of the lactobacillus kefir-producing subspecies is CGMCC No.27058, the preservation time is April 11, 2023, and the lactobacillus kefir-producing subspecies can survive for a long time in intestinal tracts, has a strong adhesion characteristic, can produce exopolysaccharides at high yield, can be used for fermenting dairy products, fruit juice, fruit puree, soybean milk and the like, and can also be used for preparing leavening agents and natural thickening agents. Especially when applied to fermented milk products, the fermented milk products can have rich flavor and very good viscosity without adding any existing thickening agent and emulsifying agent, can remarkably reduce separation of whey, can be stored for a long time, and have wide application in the field of food.

The present disclosure relates to molded fiber formulations suitable for the automated, efficient, high-speed production of fiber-based containers, particularly for containers for use with produce such as apples. Fiber compositions are created as slurries to be used in the manufacture of molded fiber products. Embodiments of the fiber composition include a fiber base mixture of pulp and water, with some amount of a fiber substitute additive that is chemically compatible with the product to be stored in contact with the final molded fiber product. In an embodiment, apple pomace is a compatible fiber substitute for use in an apple container in that it is compatible with apples. Pomace is the pulp residue remaining after processing of fruit to extract its juice, e.g., by crushing, pressing. Pomace includes the processed residue of seeds, stems, skin and core material of the fruit in addition to at least some residue of the fruit juice itself as it is typically not possible to extract all the juice in a processing operation. Pomace may be added to the base fiber as a dried pulp, a wet pulp, or a rehydrated pulp (i.e., the pomace was dried and then rehydrated with water) or any combination of the preceding.

The invention discloses application of a transcription factor CgGATA8 in adjusting lignin synthesis, and belongs to the technical field of genetic engineering breeding and fruit and vegetable preservation. According to the invention, the transcription factor CgGATA8 is instantaneously transferred into the juice sac of the Majia pomelo through an agrobacterium infection method, the lignin content in the over-expressed juice sac is obviously higher than that in no-load control, and autofluorescence signals are enhanced, secondary cell walls are thickened and the juice sac granulation symptom is aggravated in phloroglucinol dyeing and paraffin section at the same time. Molecular biology function verification shows that the Marijia pomelo transcription factor CgGATA8 can be combined with and activate a CgPOD16 promoter, the expression level of the CgPOD16 gene is improved, and the accumulation amount of lignin synthesis in fruits is improved, so that the CgGATA8 gene participates in regulation and control of synthesis and deposition of lignin in Marijia pomelo fruit juice cells, and has the function of promoting maturity and aging of picked fruits.

The invention discloses a method for efficiently degrading tannin in fruit juice, which comprises the following steps: taking the fruit juice, adding tannase, carrying out enzymolysis for 12-24 hours, carrying out 100-600Mpa ultrahigh pressure treatment for 10-20 minutes, and then continuing to carry out enzymolysis for 12-24 hours. According to the method disclosed by the invention, an ultrahigh pressure combined tannase treatment technology is adopted, and ultrahigh pressure treatment is arranged after the enzymolysis reaction is performed for a period of time, so that the enzymolysis reaction period of tannase is prolonged by utilizing the activation effect of the ultrahigh pressure treatment on enzyme, and the degradation efficiency of tannin can be remarkably improved; meanwhile, the content of heat-sensitive active ingredients such as polyphenol, flavone and vitamin C in the fruit juice can be well retained, the method is suitable for roxburgh rose juice and other fruit juice rich in tannin and heat-sensitive active ingredients, and the taste and quality of the fruit juice can be effectively improved.

A system for collecting liquids includes a platter and two or more cutting boards. The platter includes an upper surface, a lower surface, and a platter edge surrounding and joining the upper surface and the lower surface. The platter edge on the upper surface is higher than two or more centers of the upper surface. The platter includes one or more ridges on the lower surface. The one or more ridges is contiguous with the platter edge on the upper surface. Each of the two or more cutting boards include a top surface for receiving food items, a bottom surface resting on the upper surface of the platter, and a board edge surrounding and joining the top surface and the bottom surface. Each cutting board is placed on a center of the upper surface.

The invention relates to the technical field of filling detection, in particular to a fruit juice filling detection system and method.The fruit juice filling detection method comprises the steps that a container image is obtained through a filling module, a preset amount of fruit juice is filled according to the container image, an audio signal in the filling process is obtained, a conveying module conveys a container, and a vibration signal in the container conveying process is obtained; the cover sealing module performs cover sealing action on the container and obtains a stress value of the mechanical arm in the cover sealing process, the filling detection unit judges whether the container filling process is abnormal or not according to the combination of the audio signal and the vibration signal, and the cover sealing detection unit judges whether the container cover sealing process is abnormal or not according to the stress value. According to the invention, the filling process and the capping process are respectively detected, and various problems in the juice filling process are identified, so that the detection accuracy of juice filling is improved.

The invention provides a composition containing elastin peptide as well as a preparation method and application thereof, and relates to the technical field of food. The composition containing the elastin peptide is prepared from the following components in parts by weight: 5 to 10 parts of fish collagen peptide, 3 to 10 parts of tremella polysaccharide, 0.1 to 0.5 part of elastin peptide, 0.01 to 0.1 part of skipjack elastin peptide, 1 to 2 parts of hydrolyzed II-type collagen, 0.01 to 0.05 part of vitamin C, 1 to 5 parts of pomegranate concentrated powder, 1 to 5 parts of cranberry concentrated powder, 5 to 15 parts of lily powder and 1 to 3 parts of blueberry juice powder. The composition containing the elastin peptide is high in safety, and meanwhile, the effects of improving skin elasticity, improving skin moisture, delaying generation of wrinkles and resisting aging are achieved by remodeling internal skin tissues, increasing skin moisture, improving oxidation resistance and the like.

The invention relates to the technical field of sterilization and filtration, in particular to a sterilization and filtration device and method based on waxberry juice. Four supporting bottom frames are symmetrically arranged at the bottom of the sterilization and filtration tank, a feeding pipe is arranged on one side of the top of the sterilization and filtration tank and communicates with the interior of the sterilization and filtration tank, and a first valve is arranged on one side of the feeding pipe; a first stirring shaft and a second stirring shaft drive a first scraping plate and a second scraping plate to be attached to a filter plate and a filter screen to rotate and push pulp at the tops of the filter plate and the filter screen, and the situation that the pulp is accumulated, and the filtering effect of the device is affected is avoided; and the waxberry juice can be secondarily filtered through the filter plate and the filter screen, so that the filtering effect of the juice is improved.

The invention relates to the technical field of pesticide residue detection, provides a fruit juice processing pesticide residue and residual quantity detection method and system, and solves the problems that a test result is greatly influenced by environmental factors, the operation is complicated, the sensitivity is low and the like. The method comprises the following steps: arranging a mass spectrum imaging device to collect a raw material image, and screening to obtain an area image with pesticide residues; extracting mass spectrum characteristics of the image, and calculating to obtain pesticide residues; the detection result is judged, if pesticide residues exist, position information and an area image are displayed on visual equipment, and a qualified rate report of the pesticide residues is output; if the pesticide residue does not exist, the detection is continued. According to the invention, the monitoring comprehensiveness is improved, the visualization and integration of data are realized, the pesticide residue is quantitatively evaluated, the pesticide residue problem can be quickly responded and processed, and the product safety is guaranteed.

The invention relates to the technical field of fruit juice production, in particular to fruit juice beverage multi-layer permeation filtering equipment which comprises a barrel shell, a feeding hopper is installed at the top of the barrel shell, and a first filtering mechanism, a second filtering mechanism and a third filtering mechanism are sequentially arranged in the barrel shell from top to bottom in the height direction of the barrel shell; the first filtering mechanism, the second filtering mechanism and the third filtering mechanism are designed to filter fruit juice layer by layer through smaller and smaller filter screen apertures, it is ensured that the fruit juice can be fully filtered, then the fruit juice quality is improved, meanwhile, the fruit juice can be fully filtered through extrusion, stirring and centrifugation, and the fruit juice quality is improved. And juice with pulp particles of different viscosities, different densities and different sizes can be filtered, so that the cost of the device is saved, and the filtering efficiency is improved.

The invention relates to pectin lyase as well as a mutant, a recombinant expression vector and application thereof. The nucleotide sequence of the pectin lyase is as shown in SEQ ID NO.1, the full length of the gene is 1056 bp, 352 amino acids are coded in total, and the amino acid sequence is as shown in SEQ ID NO.2; the pectin lyase mutant is formed by site-directed mutagenesis on the basis of an amino acid sequence of pectin lyase, a mutated nucleotide sequence is as shown in SEQ ID NO.3, and the amino acid sequence is as shown in SEQ ID NO.4; compared with the existing pectin lyase, the pectin lyase and the mutant thereof provided by the invention have the characteristics of high activity and temperature stability, and can be widely applied to fruit juice extraction, fruit juice clarification and fruit and vegetable juice beverage processing.

According to the preparation method disclosed by the invention, the whole fruit juice of the lonicera caerulea (which retains fruit residues) is fermented by virtue of the plant lactobacillus KLDS1.0391, KLDS1.0320 or KLDS1.0368, so that the xanthine oxidase (XO) inhibition activity is remarkably improved. After fermentation, the XO inhibition rate is increased to 48-50.87% (the content of unfermented juice is 31.21%), the total phenol content is increased by 15-24.3%, and the contents of main XO inhibitors in the lonicera caerulea: cyanidin-3-O-glucoside (IC50 = 115.28 [mu] M), cyanidin-3, 5-diglucoside (IC50 = 116.34 [mu] M), peonidin-3-glucoside (IC50 = 105.34 [mu] M), quercetin (IC50 = 88.75 [mu] M), catechin (IC50 = 110 [mu] M) and caffeoylquinic acid (IC50 = 250.35 [mu] M) are remarkably increased. Wherein the quercetin content is increased by 73.8% at most (KLDS1.0320 strain fermentation is performed for 24 hours), and the XO inhibition rate is increased from 31.21% to 50.87%. Technical support is provided for development of a natural XO inhibitor and a functional fermented beverage, so that a new thought is provided for functional fermented juice with lonicera caerulea as a key component.

The present invention provides a fruit juice efficient juicing device, which relates to the field of fruit juicing devices, including a frame; a juicer body is installed on the upper inner side of the frame, and a spiral cutter shaft is rotatably connected inside the juicer body, and a spiral cutter is arranged on the spiral cutter shaft inside the juicer body. Through the cooperation of a transmission component, a material guide trough, a rotating shaft, a limit plate and a spring guide rod, the material guide trough can be reciprocated during the operation of the motor, so that the fruit residue adhered to the inside of the material guide trough can be quickly separated, so that there is no need for the staff to clean the inner wall of the material guide trough with tools, thus avoiding unnecessary work burden for the staff; the problem that when the existing fruit juicing equipment is working, when the fruit residue falls into the material guide trough, it is easy to adhere to the inner wall of the material guide trough, and at this time, the staff needs to use tools to clean the fruit residue adhered to the inner wall of the material guide trough, which brings unnecessary work burden to the staff is solved.

The invention relates to the technical field of tomato juice processing, in particular to flavor-improved NFC tomato juice, a preparation method thereof and compound juice. The invention provides flavor-enhanced NFC tomato juice, a preparation method thereof and composite fruit juice. The tomato NFC beverage prepared by the preparation method is bright in color, mellow and fine in taste, appropriate in sugar-acid ratio, moderate in viscosity and weakened in layering phenomenon by utilizing specific ultrasonic treatment and ultrahigh-pressure non-thermal sterilization processes, and the flavor of tomato raw materials and the flavor of tomato juice, especially the characteristic flavor of tomatoes, are enhanced under the condition of no additives. In addition, various nutrient substances in the tomatoes are reserved to the maximum extent, and the special color, flavor and nutrient components of the product are still kept in the storage period.

The invention discloses a fruity yoghurt powder formula and a preparation method thereof, and relates to the technical field of food processing.The fruity yoghurt powder formula comprises milk, white granulated sugar, fruit juice, a yoghurt leavening agent, a stabilizer, a sweetening agent, an emulsifying agent, an acidity adjusting agent and water, the stabilizer is one of modified starch, gelatin, pectin and a yoghourt modifier. The stabilizer is added to improve the texture and stability of the yoghurt and reduce the problems of whey separation, texture roughness and the like, so that the formula of the fruity yoghurt powder is optimized, the taste can be ensured, the stability and quality of the yoghurt are enhanced, the layering or precipitation phenomenon of the yoghurt in the storage and transportation process is prevented, and the quality of the yoghurt is improved. Streptococcus thermophilus and lactobacillus bulgaricus in a mass ratio of 2: 1 are selected as yoghurt leavening agents, so that the fermentation process is stable, and the yoghurt is fine and smooth in texture.

The utility model relates to the technical field of sea buckthorn fruit processing equipment, and discloses a sea buckthorn fruit juice and residue separating device which comprises an extrusion barrel, a conveying barrel located at the top of the outer side of the extrusion barrel and a crushing box located above the top of the conveying barrel. Extrusion plates are arranged at the telescopic ends of the two sets of multi-stage hydraulic cylinders. The fixed hopper is arranged at the bottom end of the extrusion barrel, and a liquid discharge pipe is arranged at the bottom of the fixed hopper. The squeezing plate can be driven by the two multi-stage hydraulic cylinders to be adjusted up and down, pomace can be squeezed, juice and pomace of sea buckthorn fruits can be separated through the filter plate, and the fixed hopper and the squeezing barrel can be disassembled and assembled through mutual matching of external threads on the outer side of the squeezing barrel and internal threads on the inner side of the fixed hopper, so that the squeezing barrel and the fixed hopper are convenient to use. The fruit residues can be cleaned, the filter plate can be clearly disassembled and assembled, the separation device can be repeatedly used conveniently, and the use effect of the separation device is better.

A machine for extracting puree, or juice, from a food product of vegetable origin comprises a hollow body having a longitudinal axis and an inlet for introducing the food product. In the hollow body a first extraction section and a second extraction section are provided both having, respectively, a sieve and a rotor coaxially positioned within the sieve and having a plurality of blades. The rotors are caused to rotate by a respective driving group in order to subject the treated product to a centrifugal force. In this way, in the first extraction section the division of the product is caused in a first portion, which passes through the sieve, and in a second portion, which does not pass through the sieve and advance along the hollow body up to reach a passage section and, therefore, to enter in the second extraction section.

The invention belongs to the technical field of fruit juice production and packaging, and provides vacuum fresh-keeping stacking, conveying and packaging equipment for fruit juice production. And a clamping mechanism. According to the bottle body centering device, the centering cylinder moves downwards to penetrate through the hole in the lining, the bottom of the centering cylinder is also arranged outside the bottle body in a sleeving mode, the conical hole makes contact with the surface of the bottle body, the position of the bottle body can be centered, the central axis of the bottle body coincides with the central axis point of the hole in the lining, and after the clamping mechanism loosens the lining, the lining moves downwards to be arranged outside the bottle body in a sleeving mode under the action of gravity. Therefore, the lining can be smoothly sleeved outside the bottle body, the edge of the hole in the lining can be effectively prevented from being damaged by mechanical stress, a gap between the hole in the lining and the bottle body is effectively avoided, the bottle body is effectively prevented from shaking in the transferring process, and the risk that the bottle body is damaged in the transferring process is reduced.

The invention discloses multi-seed fruit juice particle filtering equipment and a filtering method thereof, and relates to the technical field of fruit juice filtering equipment. The invention provides multi-seed fruit juice particle filtering equipment which comprises a rack and the like, the rack is fixedly connected with a placement table, the placement table is fixedly connected with and communicates with a discharging port, the placement table is fixedly connected with a servo motor, the placement table is rotationally connected with a separation net, the placement table is connected with a sealing plate in a clamped mode, and the sealing plate is fixedly connected with hollow mounting plate frames which are circumferentially distributed at equal intervals; the hollow mounting plate frame is fixedly connected and communicated with an air column, the sealing plate is fixedly connected with suction pumps which are circumferentially distributed at equal intervals, and the sealing plate is fixedly connected with air pumps which are circumferentially distributed at equal intervals. By means of the hollow mounting plate frame, the suction pump and other components, solid particles such as pomace accumulated on the separation net can be stirred to prevent the separation net from being blocked, the blocked separation net can be dredged by means of bubbles generated by air suction, and therefore it is guaranteed that fruit juice can smoothly penetrate through the separation net; and the filtering efficiency of the particle filtering equipment is improved.

The invention belongs to the technical field of microorganisms, and particularly relates to a preparation method and application of probiotic fermented apple juice. The probiotic is Kluyveromyces marxianus CICC 32017, and the Kluyveromyces marxianus can overcome the defects that the fruit and vegetable juice is insufficient in fragrance and heavy in raw and green taste when being singly fermented by lactic acid bacteria. The method for preparing the fermented apple juice comprises the following steps: juicing apples; performing enzymolysis; performing sterilization; the method comprises the following steps of: inoculating the apple juice with a Kluyveromyces marxianus CICC 32017 or a mixed microbial agent of the Kluyveromyces marxianus CICC 32017 and lactobacillus plantarum CICC 21801, and culturing for 48-72 hours in a constant-temperature incubator at the temperature of 30 DEG C, so that a large amount of organic acid is generated after fermentation is finished, the DPPH free radical scavenging rate and the ABTS free radical scavenging rate of the fermented apple juice are higher than those of a control group, the oxidation resistance is remarkably improved, meanwhile, aroma substances are increased, and the taste of the apple juice is improved. The quality of the fermented apple juice is greatly improved.

The utility model relates to the technical field of fruit and vegetable juicing, and discloses a residue filtering device for fruit and vegetable juicing, which comprises a tank body, a cutting blade and a scraper, an end cover is fixedly mounted at the top of the tank body, and a liquid storage mechanism and an air pump are fixedly mounted on two sides of the periphery of the tank body respectively; water liquid in a liquid storage tank is pumped into an embedded pipe through a connecting pipe by a pump body in a liquid storage mechanism, the bottom of an inner cavity of a tank body can be washed through a plurality of groups of rectangular spraying plates at the bottom, and a servo motor respectively drives a first bevel gear and a second bevel gear through a driving bevel gear at the output end; the cutting blades on the outer sleeve and the embedded pipe and the rectangular spraying plate can rotate in opposite directions, the rectangular spraying plate can drive a scraper to scrape the inner wall of the tank body, meanwhile, water sprayed upwards can be stirred, the washing range of the rectangular spraying plate is widened, and therefore fruit juice residues attached to the cutting blades arranged in multiple sets can be fully washed.

The invention relates to the field of preparation of malus micromalus fruit juice, and discloses a preparation process of ultrahigh-pressure organic malus micromalus fruit juice, which comprises the following specific steps: freezing malus micromalus fruit in an environment of-40 DEG C for 24 hours, then unfreezing at room temperature until the malus micromalus fruit is soft and the self-flowing juice does not flow, uniformly mixing 0.75% o of Suzhou nanometer and tap water to prepare a disinfectant, and sterilizing at room temperature for 24 hours to obtain the superhigh-pressure organic malus micromalus fruit juice. A Roots blower is started for low-temperature disinfection, tap water is used for rinsing the raw materials after disinfection, disinfectant on the surfaces of the raw materials is washed away, a hammer crusher is used for crushing the malus micromalus makino, the crushed malus micromalus makino enters a vacuum air bag juicer for cold dipping juicing, the prepared malus micromalus makino juice is subpackaged in PET bottles, and a cold sterilization mode ultrahigh pressure sterilization technology (HPP) is adopted. The ultrahigh-pressure sterilization pressure is 550MPa, and the sterilization time is 8min, and conveying the product into an environment of-40 DEG C for freezing and storing. The prepared malus micromalus fruit juice is clear and transparent, attractive in color and luster and unique in flavor, and the nutritional ingredients, flavor and color and luster of malus micromalus fruits are reserved to the maximum extent.

The invention discloses a method for improving the quality of phyllanthus emblica fruit juice through an enzymolysis-assisted pulsed electric field, which comprises the following steps: firstly, carrying out preliminary enzymolysis treatment on phyllanthus emblica fruits through a low-concentration compound enzyme solution to form micropores in the surfaces of cell walls; then, the pore diameter of the preliminarily formed micropore area is further expanded under the action of a pulsed electric field, the cell structure is destroyed to form a pore channel, through combined regulation and control of enzymolysis and electric field parameters, efficient release of micromolecular nutritional ingredients such as vitamin C, polyphenol substances, total flavonoids and monosaccharide is achieved through the synergistic effect of the enzymolysis and the electric field parameters, and the effect of improving the nutrient content is achieved. Meanwhile, the excessive precipitation of macromolecular polysaccharide is limited, the taste of the fruit juice is improved, the clarity of the fruit juice and the stability of nutritional ingredients are ensured, the consistency of the taste of the product is maintained, in addition, the enzyme dosage is effectively reduced, the safety problem caused by enzyme residues is reduced, the enzymolysis time and the pulse intensity are also remarkably reduced, and the production cost is reduced; the method meets the requirement of green production and is suitable for industrial large-scale application.

According to the fruit and vegetable juice and the preparation method thereof provided by the invention, fruit juice and vegetable juice are mixed and then mixed with various vegetable juices (Chinese wolfberry fruits and carrots) to prepare a series of fruit and vegetable juices taking the cedrela chinensis as a base material, so that the variety of agricultural products of seasonal fruit cedrela chinensis is enriched, and the problems of unsalable and rotten cedrela chinensis inferior fruits are solved. As a special plant in Sichuan, the planting area and the yield are increased year by year, a fruit and vegetable juice fixed industrial chain is formed, and long-term and stable source income can be provided for local farmers; through deep processing, the added value of the hovenia acerba is improved, and more benefits are brought; the window period of the cedrela chinensis is prolonged, so that the cedrela chinensis can be sold in a longer time period, and waste is avoided; in addition, a large amount of manpower is needed in the processes of fruit selection, picking, squeezing, blending and finished product obtaining, employment opportunities are provided for local peasants, and the economic income of the peasants is increased; meanwhile, production and sales of the spring can directly or indirectly bring income to local economy, and sustainable development of the local economy is facilitated.

The invention relates to the technical field of compound fruit wine fermentation, and particularly discloses a compound fruit wine fermentation process for enhancing flavor quality and antioxidant activity by using plant lactobacillus, which comprises the following steps: (S01) taking concentrated apple juice, and diluting with purified water; (S02) mixing and compounding the Huyou full juice with the diluted apple juice in the step (S01); (S03) adjusting the pH value of the compounded mixed solution in the step (S02) to 4-5; (S04) inoculating special yeast for fruit wine into the compound mixed solution obtained in the step (S03); (S05) inoculating the compound mixed solution obtained in the step (S04) with plant lactobacillus; and (S06) fermenting the inoculation liquid obtained in the step (S05) to obtain a composite fruit wine finished product. The fruit wine has the characteristics of being relatively good in flavor diversity, high in health value and good in sensory flavor quality.

The utility model belongs to the field of grapefruit processing and filtering, and particularly relates to a fruit juice and pomace separating device which comprises a bottom plate, a base is fixedly installed at the position, close to the four corners, of the top of the bottom plate, a supporting rod is installed in the base in a clamped mode, and a liquid collecting groove is fixedly connected to the inner side of the supporting rod. The bottom of the liquid collecting tank is fixedly connected with a liquid discharging valve, and a shell is fixedly installed on the surface of the bottom plate. When the device is started and stopped, the scraper rotating on the side surface of the rotating shaft in the storage barrel is subjected to inertia effect, so that the rotating speed of the scraper is different from that of the storage barrel, the function of cleaning the inner wall of the storage barrel by the scraper is realized, the possibility of perforation blockage is reduced, and the stability of the device during operation is improved; and secondly, through the structural design that a supporting rod is detached, a liquid collecting tank is detached, and at the moment, a top plate clamped to the top of a storage barrel is taken, the function of cleaning the interior of the device is achieved, the cleanliness of the device is improved, and the service life of the device is prolonged.

The invention discloses a Lactobacillus buchneri strain with high yield of gamma-aminobutyric acid and application of the Lactobacillus buchneri strain in preparation of nutritional and healthy fruit and vegetable juice. The strain is Lactobacillus buchneri GM3, and is preserved in the Guangdong Microbial Culture Collection Center on January 9, 2025, and the preservation number of the strain is GDMCC No: 65737. The invention further discloses a preparation method of the Lactobacillus buchneri strain. The strain not only has the capacity of producing gamma-aminobutyric acid at high yield, but also has good acid resistance, cholate resistance and gastrointestinal fluid resistance, and is very suitable for fermentation production of fermented fruit and vegetable juice. The contents of gamma-aminobutyric acid and flavonoid substances in fruit and vegetable juice fermented by the strain are greatly increased, and the nutritional value of the fruit juice is remarkably increased; moreover, the contents of alkaloid substances and total sugar are remarkably reduced, so that the tea is healthier, and the flavor is better and more unique. The Lactobacillus buchneri GM3 is a safe lactic acid bacterium, and the Lactobacillus buchneri GM3 and the technology for producing fruit and vegetable juice through fermentation of the Lactobacillus buchneri GM3 have very good application value and market prospect.

The invention discloses a passion fruit juice clarification process which comprises the following steps: S1, pectinase treatment: adding pectinase into passion fruit juice, and stirring and reacting for 24-72 hours under the conditions that the temperature is 20-30 DEG C and the pH value is 3.5-4.5; the addition amount of the pectinase is 0.5-1.5% of the mass of the passion fruit juice; s2, bentonite treatment: adding bentonite into the fruit juice treated in the step S1, and standing and adsorbing for 24-48 hours under the condition that the temperature is 25-35 DEG C; the addition amount of the bentonite is 0.1-0.5% of the mass of the passion fruit juice; and S3, performing centrifugal treatment: putting the fruit juice treated in the step S2 into a centrifugal machine, performing centrifugal treatment for 6-12min under the conditions that the temperature is 4-6 DEG C and the rotating speed is 3500-4500r / min, and collecting supernate, thereby obtaining the clear passion fruit juice. By accurately regulating and controlling the combination ratio and process parameters of the clarifying agent, the turbid substances in the passion fruit juice can be efficiently removed.

The utility model discloses a vegetable and fruit safety detection machine, and relates to the technical field of vegetable and fruit detection, the vegetable and fruit safety detection machine comprises a connecting ring, grinding devices used for grinding and juicing vegetables and fruits are fixedly connected to the two side walls of the connecting ring, and a collecting device used for collecting vegetable and fruit juice is installed below the grinding devices. Through cooperative arrangement of the supporting ring, the supporting shaft, the water tank, the submersible pump, the spray head and other structures, the two grinding devices are installed on the two sides of the supporting ring correspondingly, and the supporting ring is rotationally connected with the top end of the supporting shaft; the submersible pump can be started to pump the cleaning liquid in the water tank into the other grinding device for cleaning, and the two grinding devices rotate to perform alternate cleaning and detection, so that the detection efficiency is greatly improved, and the problem that the detection of another vegetable and fruit can be performed only after the detection device is cleaned after the existing detection device is used for detecting one vegetable and fruit is avoided as much as possible; and the existing detection device is low in detection efficiency.