118 results about "Passion fruit" patented technology

The invention provides a super-hydrophobic passion fruit peel carbon aerogel VOCs adsorbent based on low-temperature plasma synergistic nitrogen doping modification and a preparation method thereof, and relates to the technical field of VOCs adsorbents. The super-hydrophobic passion fruit peel carbon aerogel VOCs adsorbent based on low-temperature plasma synergistic nitrogen doping modification is prepared by crushing passion fruit peel, mixing the crushed passion fruit peel with a nitrogen-containing compound to form gel, performing low-temperature plasma modification, performing freeze drying, performing high-temperature carbonization, and performing water washing and drying. The adsorbent is spherical, and the water contact angle is 115.8 degrees to 152.4 degrees. The adsorbent disclosed by the invention has the advantages of super hydrophobicity, high specific surface area, developed microporous structure, excellent VOCs adsorption performance, broad-spectrum adsorption capacity, good reusability and mechanical strength, the preparation method is simple in process, green and environment-friendly, low in cost and good in universality, a new technical scheme is provided for VOCs treatment in a high-humidity environment, and the adsorbent has a good application prospect.

The invention provides a probiotic composition for inhibiting helicobacter pylori as well as a probiotic agent and application thereof, and belongs to the technical field of probiotic functional products. The probiotic composition is prepared from the following components in parts by weight: 0.05 to 2 parts of a pediococcus pentosaceus strain A21358, 0.01 to 1.5 parts of a plant lactobacillus strain A21136, 0.05 to 1.5 parts of a lactobacillus rhamnosus strain A21149 and 0.03 to 1.2 parts of a lactobacillus reuteri strain A21325. The probiotic agent comprises the probiotic composition, resistant dextrin, xylooligosaccharide, erythritol, inulin, fructo-oligosaccharide, hericium erinaceus powder, fucoidin and at least one fruit powder selected from grape powder, passion fruit powder and kiwi fruit powder, wherein the specific weight parts of the resistant dextrin, the xylooligosaccharide, the erythritol, the inulin, the fructo-oligosaccharide, the hericium erinaceus powder, the fucoidin and the at least one fruit powder are selected from grape powder, passion fruit powder and kiwi fruit powder. The probiotic agent has the effect of inhibiting helicobacter pylori, and a new thought is provided for clinical related auxiliary treatment of helicobacter pylori infection.

The invention discloses a wild fruit acid soup sauce and a preparation technology thereof, and belongs to the technical field of food processing. The wild fruit soup sauce is composed of a wild fruit base sauce and a sour soup base bag, the wild fruit base sauce is prepared by compounding and pulping tomatoes, tree tomatoes, haws, tamarind fruits / olives, lemons and papayas, and passion fruits are added for aroma enhancement when the wild fruit soup sauce is eaten; the sour soup base bag is prepared by taking monosodium glutamate, chicken essence, pungent litse fruit, chili powder and the like as raw materials, frying the raw materials at 150 DEG C and boiling the raw materials for more than 20 minutes. The flavor level is improved through natural wild fruit compounding, a standardized stir-frying process guarantees mellow taste and high stability, the sauce is convenient to use and long in shelf life, the problems that traditional sour soup is single in flavor, tedious in operation and uneven in quality are solved, and the method is suitable for catering and making of various sour soup dishes in families.

1. Name of the product in this design: Label (Prickly Pear and Passion Fruit Compound Flavor Beverage). 2. Application of this design: This design is intended for use as a label on any one or more types of packaging bottles, bags, boxes, and cartons. 3. The key design feature of this product is its pattern. 4. The image or photograph that best illustrates the design's key features: the front view. 5. Other matters requiring explanation: This design is a two-dimensional product, so the left view, right view, top view, and bottom view are omitted; the back of this design is a part that is not easily seen or cannot be seen during use, so the rear view is omitted.

1. Name of the product in this design: Packaging Box (Passion Fruit). 2. Application of this design: This design is intended for use in packaging boxes. 3. The key design elements of this product are the combination of shape, pattern, and color. 4. The picture or photo that best illustrates the key design points: Design 1 front view. 5. The design for which protection is sought includes color. 6. The bottom surface of this design product is a part that is not easily seen or not visible during use, so the bottom view of Design 1 is omitted; the bottom surface of this design product is a part that is not easily seen or not visible during use, so the bottom view of Design 2 is omitted. 7. Design 1 is designated as the basic design. 8. Other situations requiring explanation: Figure 11 is a reference diagram of the usage status of Design 1; Figure 12 is a reference diagram of the usage status of Design 2.

The invention provides an Ag-CuO / Cu electrode, a preparation method and passion fruit juice detection application, and the preparation method comprises the following steps: cleaning a copper electrode, and then grinding and polishing; the copper electrode obtained after primary treatment is immersed in a 0.5-1.5 M H2SO4 solution, square wave pulse treatment is carried out, and a pretreated copper electrode is obtained; the pretreated copper electrode is placed in a 0.5-1.5 M KOH solution, cyclic voltammetry scanning is carried out, and an activated copper electrode is obtained; and the activated copper electrode is placed in a 0.005-0.05 M AgNO3 solution, and Ag < + > is reduced and deposited on the surface of the copper electrode by adopting a constant potential deposition method to form an Ag modification layer. The Ag-CuO / Cu electrode prepared by the invention is used for detecting ascorbic acid in passion fruit juice, and is high in sensitivity, good in repeatability and reproducibility, excellent in long-term stability and strong in anti-interference capability; and the electrode preparation process is simple.

The present application relates to a kind of essential oil composition with whitening and freckle lightening effect and its preparation method, belong to the technical field of cosmetics.The essential oil composition with whitening and freckle lightening effect provided by the present application includes Italian helichrysum oil, rice germ oil, sandalwood oil, white spring chamomile flower oil, rust red rose seed oil and pink passion fruit seed oil treated by specific fermentation process, all ingredients are derived from natural plants, no chemical synthetic substance is added, irritability is low, safety is high, has good whitening, freckle lightening effect, also has anti-inflammatory, antioxidant and barrier repair effect, suitable for various skin.

The application discloses a kind of passion fruit plant health monitoring methods using spectral analysis, the method is by simultaneously collecting the spectral data of the top of plant new leaf, middle functional leaf and fruit, it is compared with the standard health spectrum model of prestorage, based on the diagnosis of magnesium deficiency of top leaf 530nm reflection peak, the diagnosis of nitrogen deficiency of middle leaf red edge position blue shift, the diagnosis of water deficiency of middle leaf water index rise, specific waveband spectrum distortion early warning disease and fruit spectrum form evaluation quality, realize multi-index comprehensive diagnosis;The application realizes multi-index diagnosis of plant nitrogen, magnesium nutritional status, water stress, potential disease and fruit quality by simultaneously collecting and analyzing the reflection characteristics of the top of passion fruit plant new leaf, middle functional leaf and fruit in specific spectral band, so as to overcome the problem of the prior art relying on single vegetation index or chlorophyll measurement, which leads to the problem of partial diagnosis information.

The present application relates to the field of skin care products, and discloses a whitening and anti-aging composition for skin care products and application thereof, and an essence oil and a preparation method thereof. The whitening and anti-aging composition for skin care products contains an active substance combination and a compound essential oil and plant oil combination; the active substance combination contains glabridin, 4-butyl resorcinol, undecylenoyl phenylalanine, natural bisabalol, ascorbic acid tetraisopalmitate and teprenone; the compound essential oil and plant oil combination contains Damascus rose essential oil, magnolia essential oil, frankincense essential oil, Roman chamomile essential oil, carrot seed essential oil, passion fruit seed oil, red wolfberry seed oil, rose fruit oil and sea buckthorn fruit oil. The skin care product prepared from the whitening and anti-aging composition has a more moderate and efficient transdermal absorption rate, and has excellent anti-photoaging effect and whitening and freckle-removing effect.

The utility model discloses a kind of passion fruit vine traction banding devices, including handle, limit mechanism is arranged on the handle, the limit mechanism includes bottom plate, plug rod, rope sleeve, banding rope, buckle plate, sliding slot, sliding block, limit rod and pressure spring, bottom plate is fixed at handle top end, plug rod is fixed on bottom plate, rope sleeve is sleeved in plug rod outside, the quick -connect mechanism includes fixed sleeve, clamping sheet, card slot, quick release sleeve, compression spring, abutment block, rotating sleeve and clamping block, fixed sleeve is set in plug rod top end, limit mechanism is cooperated by bottom plate and plug rod, rope sleeve is securely installed, avoid the movement or slackening of rope sleeve in the process of banding, quick -connect mechanism is cooperated by clamping sheet and card slot, so that rope sleeve can be quickly fixed on plug rod, avoid the complicated dismounting process in traditional banding device, the design of compression spring and quick release sleeve, allow user to change banding rope quickly when needed.

The utility model relates to the technical field of passion fruit film coating, in particular to a film coating device suitable for film coating after passion fruit picking, which comprises a fixed seat, a conveyor and a film coating shell, and is characterized in that the bottom of the conveyor is fixedly connected with the top of the fixed seat, and one side of the film coating shell is fixedly connected with one side of the fixed seat; compared with the prior art, the passion fruit film coating device has the advantages that by arranging the mixing mechanism, film coating liquid needed by passion fruit film coating can be mixed, the problem that the uniformity of the film coating liquid can be affected by standing of the film coating liquid in the storage box, so that the effect of the film coating device on passion fruit film coating is poor is solved, the practical performance of the film coating device is improved, and the practicability of the film coating device is improved. And a vacuum drying mechanism is arranged, so that a coating film outside the passion fruit can be quickly dried after the passion fruit coating work is completed, the problem that the working efficiency of drying a coating liquid after the passion fruit is coated by a traditional coating device is relatively low is solved, and the working efficiency of the coating device is favorably improved.

The present invention provides a composition, which comprises 5-30 parts by weight of citrus essential oil, 0.5-2 parts by weight of an emulsifier, 30-80 parts by weight of an apple, passion fruit and lophatherum gracile composite extract, and 10-30 parts by weight of a stevia rebaudiana extract, the citrus essential oil is prepared by carrying out cold pressing on citrus peel, filtering, centrifuging the filtrate at a rotating speed of 5000-8000 r / min, retaining the upper layer essential oil, adding the emulsifier, and uniformly stirring. Freezing the upper-layer essential oil at the temperature of 80 DEG C below zero to 18 DEG C below zero for 5-24 hours, and dewaxing, so as to obtain the essential oil. The apple, passion fruit and lophatherum gracile composite extract is obtained by preparing composite extract raw materials from apples, passion fruits and lophatherum gracile according to a ratio of 1: 1: 2, preparing a first solvent from propylene glycol and water according to a ratio of 1: 2-1: 10, then mixing the composite extract raw materials and the first solvent according to a ratio of 1: 8-1: 15, performing ultrasonic extraction and filtration, and retaining filtrate; the stevia rebaudiana extract is obtained by mixing a stevia rebaudiana raw material and a second solvent according to a ratio of 1: 5-1: 20, preparing the second solvent according to a ratio of propylene glycol to water of 1: 5-1: 10, carrying out ultrasonic extraction, filtering and retaining filtrate.

1. Name of the designed product: packing bottle (wake up the lion old salt passion fruit). 2. Use of the designed product: beverage packing bottle. 3. Design points of the designed product: combination of shape and pattern. 4. Picture or photo that best shows the design points: perspective view.

The utility model relates to the technical field of fruit picking equipment, in particular to a passion fruit stem cutter which comprises a first force arm, a cutter adjusting mechanism, a rotating mechanism and a second force arm, the cutter adjusting mechanism is in threaded connection with one end of the first force arm, and the rotating mechanism is rotationally connected with the other end of the first force arm. The first force arm and the second force arm are rotationally connected through a rotating mechanism. According to the cutter, the cutting blade, the connecting piece and the reset spring are arranged, and the cutting blade is in threaded connection with the connecting piece, so that quick replacement of the blade is achieved, when the cutting blade is abraded or damaged, a new cutting blade can be quickly replaced only by screwing off the connecting piece, and the whole cutter does not need to be replaced; the use cost is effectively reduced, the service life of the cutter is prolonged, the reset spring automatically enables the first force arm and the second force arm to reset after the fruit stems are cut off every time, manual operation is not needed, the picking efficiency is greatly improved, and meanwhile the labor intensity is reduced.

The invention discloses bacillus subtilis for preventing and treating papaya anthracnose, which is bacillus subtilis EB-Q01-05, the preservation number of the bacillus subtilis EB-Q01-05 is CGMCC (China General Microbiological Culture Collection Center) No.36026, and the application of the bacillus subtilis EB-Q01-05 for preventing and treating the papaya anthracnose in the aspect of preventing and treating the papaya anthracnose. The bacillus subtilis EB-Q01-05 for preventing and treating the papaya anthracnose, disclosed by the invention, is obtained by being separated from healthy passion fruits, and has a relatively good antagonistic effect on the papaya anthracnose.

The present application relates to a kind of passion fruit explant brown prevention tissue culture medium and its tissue culture method, it is related to passion fruit tissue culture technical field.The present application provides a kind of passion fruit explant brown prevention tissue culture medium, the tissue culture medium includes the following components:MS culture medium, passion fruit juice, 6-BA, IBA, sucrose, agar.The present application is improved by culture medium, explant low-temperature treatment and explant secondary disinfection, and the pollution rate of explant, browning rate is reduced, improves the survival rate of passion fruit explant in the process of tissue culture, overcomes the shortcoming that browning mortality is high in the process of passion fruit tissue culture, improves the tissue culture efficiency of passion fruit.

The invention relates to the technical field of extracts, in particular to a passion fruit peel extract and an extraction process thereof. The passion fruit peel extract comprises a flavonoid extract and a pectin extract, an extraction process of the flavonoid extract comprises the following steps: extracting flavonoid substances in passion fruit peels by using an enzymolysis method, and obtaining peel residues; the extraction process of the pectin extract comprises the following steps: mixing fruit peel residues, water and a eutectic solvent, and extracting pectin in the residues at 140-150 DEG C and 2-3 MPa; according to the extraction process, an enzymolysis method is combined with high-temperature and high-pressure eutectic solvent extraction, a flavonoid extract and a pectin extract are obtained, efficient separation and high-purity extraction of flavones and pectin in passion fruit peels are achieved, and maximization of the value of raw materials is achieved.

The invention belongs to the technical field of fertilizers, and particularly relates to a fulvic acid fertilizer for improving passion fruit quality and amino acid composition and application of the fulvic acid fertilizer. A preparation method of the fulvic acid fertilizer for improving the passion fruit quality and the amino acid composition comprises the following steps: S1, preparing a basic solution: mixing a potassium fulvate mother solution with deionized water to form the basic solution; s2, constructing an electro-Fenton system; s3, electro-Fenton activation reaction: applying constant current to an electro-Fenton reaction system, quenching after reaction, and adjusting the pH value; s4, carrying out chelation reaction; and S5, fixing the volume. The fulvic acid fertilizer disclosed by the invention can regulate and control secondary metabolism of crops, can remarkably improve the soluble solid content of fruits, reduces total acid, optimizes the sugar-acid ratio, and enables the flavor of the fruits to be better; meanwhile, the amino acid composition of fruits can be systematically improved, and the total amount of amino acids, especially the content of arginine, leucine and other key amino acids, can be remarkably increased.

1. Name of the product in this design: Gift Box (Passion Fruit Vinegar). 2. Purpose of this design: For holding fruit vinegar. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This invention discloses a method for preparing passion fruit whole-fruit wine with improved clarification, belonging to the field of food processing technology. In this method, pectinase, cellulase, and transglutaminase are added before fermentation, and polyglutamic acid, bentonite, and curdlan are added after fermentation. The passion fruit whole-fruit wine obtained by this method has a light transmittance as high as 98.9%. The passion fruit wine composite clarifying agent prepared by this invention can be used in the preparation of passion fruit wine from whole passion fruit, significantly improving the clarity of passion fruit wine, reducing the technical difficulty and production cost of the clarification process, shortening the clarification time, effectively maintaining the flavor and nutritional value of the fruit wine, and improving the production efficiency of the fruit wine; it is simple to operate, easy to implement, and worthy of promotion and use.

The invention provides a brewing and deacidification method of aroma-enhanced passion fruit wine, belongs to the technical field of fruit wine, and solves the technical problems of high acidity, poor taste and the like of existing fruit wine. According to the brewing and deacidification method of the aroma-enhanced passion fruit wine, passion fruits harvested in a grading mode are cleaned and then added into a smashing box to be smashed, and fruit pulp is obtained for use; the method comprises the following steps: cleaning glutinous rice, soaking the cleaned glutinous rice in water for 3-5 hours, steaming the cleaned glutinous rice, sprinkling water to cool the steamed glutinous rice, then adding the steamed glutinous rice into an enzymatic hydrolysate, adding a composite yeast agent into the enzymatic hydrolysate, and uniformly stirring to obtain a fermentation substrate; adding the fermentation substrate, distiller's yeast and fruit pulp into a fermentation tank, adding an acid reducing agent, and carrying out sealed fermentation; after the fermentation is completed, precipitating and filtering the passion fruit wine, then feeding the passion fruit wine into a storage tank for storage, sealing the precipitate after precipitation, and then filtering the passion fruit wine. The method has the advantages that the acidity of the passion fruit wine is reduced, the flavor of the passion fruit wine is improved, the filtering pressure is reduced, and the quality is improved.

The utility model relates to the technical field of passion fruit sorting, in particular to an automatically-controlled passion fruit sorting machine which comprises a fixing plate, the upper surface of the fixing plate is fixedly connected with a fixing frame, the surface of one side of the fixing frame is fixedly connected with a feeding box, a driving mechanism is arranged below the feeding box, and the driving mechanism is fixedly connected with the fixing frame. The driving mechanism is fixedly connected to the surface of one side of the fixing frame, the surface of the driving mechanism is fixedly connected with a screening basket, the inner wall of the fixing frame is fixedly connected with a placing table, the placing table is located below the screening basket, and the top of the placing table is connected with a collecting frame in a penetrating mode. According to the passion fruit screening device, the driving structure and the screening basket are matched, small passion fruits are screened firstly and then large passion fruits are screened according to the difference of aperture gaps of the circular-truncated-cone-shaped screening frame, automatic sorting of the passion fruits from small to large is achieved, the passion fruits of different sizes fall into different collecting frames below through corresponding apertures in the screening frame, and manual intervention is not needed.

The invention relates to the technical field of food processing, in particular to low-sugar jelly and a preparation method thereof, and the preparation method comprises the following steps: carrying out acidolysis treatment on pretreated passion fruit peel and extracting filtrate; boiling and concentrating the filtrate, adjusting the pH value of the concentrated solution to 9.0-11.0, and then degreasing in a constant-temperature water bath at the temperature of 10-25 DEG C for 1-3 hours to obtain a degreased solution; adding ethanol into the degreased solution for precipitation to obtain a precipitate, and cleaning and drying the precipitate to obtain low-methoxyl pectin; and uniformly stirring the low-methoxyl pectin, a calcium source, an acidulant and water to obtain the passion fruit low-sugar jelly. The raw materials are innovative, and waste is turned into wealth; according to the invention, high-ester pectin in passion fruit peel is successfully converted into low-ester pectin, the dependence of traditional jelly on high sugar degree is broken, and the product can be gelled under a sugar-free condition and accords with a healthy diet trend. The obtained jelly is moderate in gel strength and smooth in taste.

The utility model relates to the technical field of passion fruit picking, and discloses a lossless passion fruit picking device which comprises a base, moving wheels are fixedly installed at the bottom of the base, a pushing handle is fixedly assembled on the outer wall of the base, a controller is fixedly installed on the outer wall of the pushing handle, a rotating motor is fixedly installed at the bottom of the inner wall of the base, and the rotating motor is fixedly installed on the bottom of the inner wall of the base. An auxiliary assembly is arranged on the inner wall of the base. By pushing the vertical frame, the sliding block can slide on the top of the base, then the vertical frame can drive the corrugated discharging pipe to slide towards one side of the pushing handle, the first collecting box and the second collecting box can be exposed, then passion fruits on the inner walls of the first collecting box and the second collecting box can be conveniently collected, the passion fruits can be continuously picked conveniently, and meanwhile the device is convenient to use. The inner walls of the collecting box I and the collecting box II are filled with polyurethane foams, so that the passion fruits cannot be easily damaged when falling down, the picking efficiency is improved, and the freshness and integrity of the fruits are kept.

The present application relates to the technical field of fruit tree virus-free rapid propagation, and particularly relates to a method for virus-free propagation of passion fruit. The method comprises the following steps: inoculating stem tips of passion fruit into a callus induction medium to induce callus, obtaining callus; inoculating the obtained callus into a bud differentiation induction medium to induce regenerated buds, obtaining regenerated buds; inoculating the obtained regenerated buds into a strong seedling culture medium to culture strong seedlings, and realizing virus-free propagation of passion fruit. The above steps are referred to as a virus-free propagation cycle, and the virus-free propagation efficiency is 69%. The diseased plants that are still positive after detection after one cycle of virus-free propagation are subjected to a second cycle of virus-free propagation according to the above method, and the virus-free propagation efficiency can reach 95%.

The invention discloses a Columbia enthusiasm fruit beverage and a preparation method thereof, and belongs to the technical field of beverage production. The beverage is prepared by taking Columbia red passion flower (sweet passion flower) as a core raw material and matching with a milk-based raw material, a tea extracting solution, a sweetening agent, a compound enzyme preparation and a stabilizer through the steps of raw material pretreatment, enzymolysis treatment, tea extracting solution preparation, blending and mixing, homogenization and degassing, sterilization and filling and the like. The preparation method effectively solves the problems of poor integration of the passion fruit and the milk base, easy volatilization of fragrance, easy layering and the like. The beverage can maximally retain the flavor and nutrition of the Columbia enthusiasm fruits, has no layering phenomenon in the shelf life, can realize flavor diversification by adjusting the raw material ratio, meets different consumer demands, and is suitable for industrial large-scale production.

The invention belongs to the technical field of food processing, and particularly discloses smokable apple vinegar jelly rich in metabiotics and a preparation method of the smokable apple vinegar jelly. Every 100g of the smokable apple vinegar jelly is prepared from the following components: 2 to 5g of raw apple vinegar, 5 to 15g of prebiotic fermentation liquor, 0.8 to 1.5 g of compound colloid, 8 to 12g of erythritol, 0.01 to 0.03 g of stevioside, 1 to 3g of honey, 0.5 to 2g of passion fruit concentrated juice, 0.1 to 0.3 g of citric acid, 0.05 to 0.15 g of sodium citrate, 0.01 to 0.05 g of natural edible essence and the balance of purified water. The apple vinegar, the smokable jelly and the afterbiogen functional components are combined, the problems that traditional apple vinegar is sour, astringent and irritant in taste, uncomfortable to drink and single in function are solved, and the product is pleasant in taste, functional in nutrition and convenient to eat and has a very good market prospect.

The invention discloses a passion fruit leaf tea making process which takes passion fruit leaves as raw materials and sequentially comprises the steps of picking and acceptance inspection, spreading and withering, fixation, rolling, drying, refining, packaging and the like. Wherein in the enzyme deactivation process, high-temperature quick pan frying at the temperature of 180-260 DEG C is adopted, and braising and throwing are combined for alternate operation, so that quick enzyme inactivation, green gas loss and leaf softening are realized; in the rolling stage, cold rolling forming is carried out according to the principle of light-heavy-light, and tea juice is promoted to overflow; the drying stage is performed twice by gross fire and full fire, and finally the water content of the tea leaves is smaller than or equal to 7%. The temperature, time and strength parameters in the processing are finely controlled, so that the fresh leaves are effectively prevented from being oxidized, the chlorophyll, amino acid and specific aroma components of the passion fruits are reserved to the greatest extent, and the obtained tea soup is clear green, mellow in taste, fragrant and fruity, stable in quality and suitable for large-scale production and storage.

This utility model belongs to the field of passion fruit technology, and in particular to a climbing device for passion fruit cultivation. It includes an adjustable climbing structure with outward-expanding climbing structures on both the front and rear sides, and reinforced support structures on both sides. Through the adjustable climbing structure and the reinforced support structures, the reinforced support structures effectively support the adjustable climbing structure, ensuring its stability. Furthermore, the device possesses high flexibility and adaptability, allowing for precise adjustments based on the actual needs of passion fruit at different growth stages. Whether it's the initial climbing during the seedling stage or the vigorous growth during the mature stage, this structure provides just the right amount of support and guidance, not only helping the vines achieve even distribution throughout the growth process but also effectively preventing insufficient light caused by overly dense vines.

The invention relates to the technical field of extraction of effective substances of natural plants, and particularly discloses a preparation method of a passion flower supercritical CO2 extract and application of the passion flower supercritical CO2 extract in preparation of a preparation for regulating pig immunization. A compound enzyme is added to hydrolyze passion flower seed slurry, so that cell walls and cell membranes can be effectively decomposed, more oil-phase components can be released, and the effect of improving the immunity of pigs is achieved. Carbon dioxide and nitrogen are mixed in proportion, the formed mixed gas can better dissolve and carry target components in the supercritical extraction process, drying is carried out under the vacuum condition of 40 DEG C, residual moisture and volatile solvents in an extract can be effectively removed, and the purity of the extract is improved. According to the preparation method of the passion flower supercritical CO2 extract, through the steps of optimization pretreatment, enzymolysis, pH value adjustment, mixed gas extraction and vacuum drying, the extraction efficiency and the product quality are remarkably improved, grease components in passion flower seeds can be extracted, and other active components can also be extracted.