79 results about "High oleic" patented technology

The invention provides a diglyceride oil composition for reducing lactone as well as a product and a preparation method thereof, and relates to the technical field of functional grease processing. The preparation method of the diglyceride oil composition comprises the following steps: (1) mixing corn oil and high oleic acid peanut oil, adding glycerol and water, then adding rhizomucor miehei lipase and pseudomonas onions lipase, and reacting to obtain a material A; (2) mixing sea buckthorn seed oil, acer truncatum seed oil and rapeseed oil, adding glycerol and water, adding candida antarctica lipase B and rhizopus oryzae lipase, and reacting to obtain a material B; and (3) mixing the material A and the material B, heating and centrifuging, taking an upper-layer oil sample, and distilling under a vacuum condition to obtain the diglyceride oil composition. The diglyceride oil composition prepared by the invention has a good effect in the aspect of reducing the internal fat.

The invention discloses a KASP molecular marker related to brassica napus quality traits and application of the KASP molecular marker, and belongs to the technical field of molecular genetics. According to the KASP molecular marker related to the brassica napus quality traits, the primers of the KASP molecular marker and the application of the KASP molecular marker and the primers in brassica napus genetic typing or quality traits identification, results show that the KASP molecular marker can accurately identify genotypes, is high in sensitivity and specificity and effectively reduces the error rate. The invention also discloses a brassica napus genotyping / quality identification method, and the result shows that the material with the genotyping result of AA has the characteristics of low erucic acid content, low thioglycoside content, high oleic acid content, high linoleic acid content, low arachidonic acid content and low protein content; gG-type materials exhibit high erucic acid, high thioglycoside, low oleic acid, low linoleic acid, high arachidonic acid and high protein content. Individuals with excellent quality characters can be rapidly screened in early generations, and the long process of character identification after plant maturation in traditional breeding is avoided.

The invention provides diglyceride oil with a blood sugar reducing effect and a preparation method of the diglyceride oil, and relates to the technical field of functional grease processing. The preparation method comprises the following steps: mixing sea buckthorn seed oil, acer truncatum seed oil, rapeseed oil, corn oil and high oleic acid peanut oil, and adding glycerol and water to obtain a material A; adding onion pseudomonas lipase and candida antarctica lipase B into the material A, and carrying out primary reaction to obtain a material B; adding candida lipolytica lipase and candida antarctica lipase B into the material B, and carrying out a second reaction to obtain a material C; adding thermomyces lanuginosus lipase into the material C, and carrying out a third reaction to obtain a material D; and treating the reacted material D to obtain the diglyceride oil. The diglyceride oil prepared by the invention has a good effect in the aspect of reducing blood sugar.

The present application relates to the technical field of peanut oil extraction, and particularly relates to a method for extracting peanut oil with high oleic acid and original flavor, comprising the following steps: S1, screening: screening the peanut raw material subjected to peeling treatment by using a vibrating screening device to screen out impurities in the peanut raw material, so as to obtain peanut raw material; S2, pretreatment: sequentially subjecting the screened peanut raw material to three-stage low-temperature gradient drying, and using infrared auxiliary dehydration, and controlling the total water content at 3%-4%; the method for extracting peanut oil with high oleic acid and original flavor, by adding starch-chitosan composite liquid, the starch-chitosan composite liquid is compounded by natural ingredients and strengthened by nano structure, realizing multiple functions of antioxidation, bacteriostasis and physical barrier, while retaining the original flavor of peanut oil, significantly improving the stability of oleic acid, and having clear technical effect and industrialization potential.

They are prepared by a high energy method (e.g. by sonication) from: an oily solution of edible oils (e.g. high-oleic sunflower oil) as solvent, with melatonin (e.g. 100 μM) and edible fat-soluble antioxidant agents (e.g. 100 μM α-tocopherol), and an aqueous solution of edible water-soluble stabilizing agents (e.g. dextrin 1% w / v). These formulations, applied externally (e.g. by spraying) are useful for preharvest application and / or postharvest preservation of fruits or vegetables, particularly of stone fruits, and specifically of sweet cherries. In two varieties of sweet cherries and two varieties of plums, preservations with the formulations are significantly better than those reached with aqueous solutions of melatonin, or with a commercial formulation, or in the absence of treatment.

The application discloses a camellia seed oil adulteration identification method based on triglyceride isomers; the method comprises the following steps: collecting the data of the first mass spectrum information and the second mass spectrum information of glycerides of the oil sample standard by an ultra-high performance liquid chromatography-quadrupole time-of-flight-high resolution mass spectrometer; extracting the peak area content of the top 27 glyceride compounds; identifying and extracting the isomer content of the top 27 glyceride compounds; screening characteristic isomer compounds according to variable projection importance; establishing an adulteration identification model according to the principal component analysis and the least square-discriminant analysis of the isomer content; and identifying the sample in the adulteration identification model. The adulteration identification model can not only distinguish camellia seed oil and high-oleic oil, but also has a highest prediction accuracy of 100% for the type of high-oleic oil, and has a minimum identification adulteration concentration of 2%, thereby significantly improving the identification accuracy of camellia seed oil.

Present invention relates to lipid enriched oleosome composition comprising an extract of isolated vegetable oleosomes encapsulated with lipid sources; and at least 80 wt.% of the total weight of lipids in the composition is present in the inside of the oleosomes; and wherein the enriched composition has a dry matter of from 12 to 40 wt.%, preferably from 15 to 35 wt.%; and wherein the lipid sources are i) one or more sources of long-chain polyunsaturated fatty acids (LC-PUFA); and ii) an oil selected from soybean oil, rapeseed oil, corn oil, sunflower oil, high-oleic sunflower oil, safflower oil, high-oleic safflower oil, palm oil, palm olein, palm kernel oil, coconut oil, or a combination of two or more thereof. Present invention relates to a product comprising this enriched composition. Present invention further relates to a process for preparing this lipid enriched oleosome composition.

The application discloses a SNP molecular marker related to the content of oleic acid in sesame seeds and application, and belongs to the technical field of molecular marker breeding. The SNP molecular marker related to the content of oleic acid in sesame seeds is located at 2754308 bp of the No. 3 chromosome, the genotype GG corresponds to the content of oleic acid which is significantly higher than that of AA (the difference reaches the extremely significant level of 0.01), and the accurate differentiation of high / low oleic acid germplasm can be realized. Early genotype identification can be carried out at the seedling stage of sesame by using the marker, and the breeding cycle is greatly shortened and the selection efficiency is improved without waiting for seed maturation. The marker is stable and reliable under different genetic backgrounds, is less affected by the environment, and is simple, high-flux and low-cost in detection, is suitable for large-scale automatic screening, can be directly used for molecular marker assisted selection of high-oleic-acid sesame varieties, accelerates the cultivation of high-quality new varieties, and has important application value for improving the sesame oil quality and market competitiveness.

The application provides a camellia oil adulteration identification method and system, which comprises the following steps: obtaining the content of oleic acid, beta-amyrin and campesterol in the camellia oil to be identified; determining whether the content of oleic acid is greater than a first threshold value; if yes, determining that the camellia oil to be identified is a mixture of one or more of camellia oil, high-oleic peanut oil, high-oleic sunflower oil and high-oleic rapeseed oil; if no, determining that the camellia oil to be identified is a mixture of one or more of peanut oil and soybean oil; then determining whether the content of beta-amyrin causes the displacement amount of the clustering result of the corresponding camellia oil to be less than a second threshold value; if yes, determining that the camellia oil to be identified is not adulterated camellia oil; if no, determining that the camellia oil to be identified is adulterated oil; then determining whether the content of campesterol causes the displacement amount of the clustering result of the corresponding high-oleic rapeseed oil to be less than a third threshold value, and determining whether the camellia oil to be identified is camellia oil adulterated with high-oleic rapeseed oil.

Present invention relates to a lipid enriched oleosome composition comprising encapsulated isolated vegetable oleosomes being isolated vegetable oleosomes encapsulated with lipid sources; and at least 80 wt.% of the total weight of lipids of the enriched composition is present in the encapsulated isolated vegetable oleosomes; wherein the lipid sources are one or more sources of long-chain polyunsaturated fatty acids (LC-PUFA); and an oil selected from soybean oil, rapeseed oil, corn oil, sunflower oil, high-oleic sunflower oil, safflower oil, high-oleic safflower oil, palm oil, palm olein, palm kernel oil, coconut oil, or a combination of two or more thereof. The present invention further relates to a product comprising the enriched composition according to the present invention. The present invention also relates to a process for preparing the lipid enriched oleosome composition.

The present application relates to the field of edible oils, and specifically discloses a preparation process for high-oleic peanut oil and high-oleic peanut oil. A preparation process for high-oleic peanut oil comprises the following steps: raw material selection: selecting peanut kernels with an oleic acid content of 75% or more; cleaning: removing immature kernels, damaged kernels, moldy kernels, stones, and metals from the peanut kernels; removing red skins: roasting the peanut kernels to a moisture content of 4-5.5%, cooling to room temperature, removing the red skins, and obtaining peanut kernels and peanut red skins; pressing: stir-frying the peanut kernels and pressing them to obtain crude oil and peanut cakes, which are then cooled; pre-coating: mixing oil, diatomaceous earth, and perlite, and then circulating pre-coating on a filter device after mixing; filtering: filtering the crude oil using the pre-coated filter device and nitrogen-filling and filling. The preparation process for high-oleic peanut oil of the present application has the advantages of few filtration passes, less use of filtration raw materials, and good low-temperature resistance and difficulty in stratification of the high-oleic peanut oil produced.

Bio-based surfactants have great opportunity for use in a variety of applications such as laundry detergents, industrial cleaners, adjuvants, and oil & gas. Surfactants in these applications can be nonionic, anionic, cationic, or amphoteric. Utilizing high oleic soybean oil as a platform chemical, a variety of surfactants and properties can be produced. While early work focused solely on surfactant use in laundry cleaning and fracking, recent work has expanded functional groups and application evaluations in hard surface cleaning.The current invention expands on Battelle's high oleic soybean oil (HOSO) surfactant technology. Use of HOSO overcomes the limitations of regular soybean oil and significantly reduces or eliminates undesirable byproducts in most chemistries. However, with use of select reagents, a few candidates were achievable with regular epoxidized soybean oil (ESO). The HOSO surfactant platform offers several key advantages including: a highly water miscible (not typical of C18 surfactants) and water stable surfactant; ability to adjust and vary hydrophilic-lipophilic (HLB) values for stain removal performance; and increased biodegradability without toxic or persistent by-products.

The present invention relates to a frozen confection product comprising vegetable oil, sweeteners, and powdered ingredients selected from plant proteins, and hydrocolloids, and, the hydrocolloids are present in an amount of 0.17 to 1.0 wt.%, based on weight of frozen confection product; and the hydrocolloids are selected from xanthan gum, agar-agar, locust bean gum, konjac gum, konjac fiber, guar gum, glucomannan or mixtures of two or more thereof; and the vegetable oil is selected from the group consisting of cottonseed oil, corn oil, groundnut oil, linseed oil, olive oil, rapeseed oil, rice bran oil, sesame oil, safflower oil, soybean oil, sunflower oil, their corresponding high oleic varieties, and mixture of two or more thereof. It further relates to a process for preparing such a frozen confection product.

The invention discloses high-oleic-acid sunflower seed oil and a preparation method thereof, and belongs to the technical field of deep processing and refining of vegetable fat. According to the method, polyunsaturated fatty acid in triglyceride is preferentially converted into low-boiling-point fatty acid alkyl ester through selective enzymatic alcoholysis / ester exchange reaction, volatility difference is constructed, and directional enrichment of oleic acid components and segmented removal of low-boiling-point impurities are achieved through multi-stage short-path molecular distillation. According to the method, the content of oleic acid in the sunflower seed oil can be increased from 60-75% to 80-90%, the content of linoleic acid can be reduced from 15-30% to 5-12%, meanwhile, free fatty acid, peculiar smell precursors and oxylysate are effectively removed, the oxidation stability of the product is excellent, and the retention rate of nutritional ingredients is high. The linoleate-rich fraction generated in the technical process can be used as a high-added-value byproduct, so that the synergistic value increase of the main and by-products is realized.

A urethane resin composition including water, the urethane resin composition being produced using a biomass raw material and having high oleic-acid resistance, excellent low-temperature flexibility, and high peel strength. A urethane resin composition including an anionic urethane resin (X) and water (Y), in which the anionic urethane resin (X) is produced using a polyol (a) including a biomass-derived polycarbonate polyol (a1), a polyisocyanate (b), and an alkanolamine (c), as essential raw materials. Furthermore, An adhesive including the urethane resin composition and a synthetic leather having an adhesive layer formed from the adhesive.

The application belongs to the technical field of molecular markers, and specifically discloses a KASP marker related to a high-oleic acid character of safflower germplasm, a primer and application thereof, the KASP marker is referenced to a genome version Saf_v1, corresponds to a 5' end SnpHOA_62569356 site on a 10th chromosome of safflower, nucleotide polymorphism of the site is A / G, and the A allele gene is a high-oleic acid dominant allele gene. The breeding cycle is greatly shortened by adopting the technical scheme of the application, early-stage screening of seedlings is realized, a single-round screening cycle is shortened from 6 months to 10-15 days, a multi-generation breeding cycle is shortened from 3-5 years to 1-2 years, the breeding efficiency is increased by more than 60%, and the detection accuracy and specificity are high: the KASP marker is associated with the high-oleic acid character at a degree of 99.2%, and the detection coincidence rate is 98.3%.

A non-dairy creamer powder and associated beverage composition and container comprising (i) 25-55 wt% of total creamer weight being a fat blend, of which 48-62 wt% high oleic sunflower oil / HOSO, and

The present invention provides a diglyceride oil with hypoglycemic effect and a preparation method thereof, which relates to the technical field of functional oil processing. The preparation method comprises the following steps: mixing seabuckthorn seed oil, Acer truncatum Bunge seed oil, rapeseed oil, corn oil and high-oleic acid peanut oil, adding glycerol and water to obtain material A; adding Pseudomonas cepacia lipase and Candida antarctica lipase B to material A for a primary reaction to obtain material B; adding Candida lipolytica lipase and Candida antarctica lipase B to material B for a second reaction to obtain material C; adding Thermomyces lanuginosus lipase to material C for a third reaction to obtain material D; and treating the reacted material D to obtain the diglyceride oil. The diglyceride oil prepared by the present invention has a good effect in reducing blood sugar.

The invention discloses a soybean FAD2 gene mutation site, a specific identification primer and a method for increasing the content of oleic acid in soybean, the soybean provided for the first time after the specific mutation sites of FAD2-1A and FAD2-1B genes are mutated can significantly increase the relative content of oleic acid in soybean seeds, the relative content reaches 70% or above, and meanwhile the content of linoleic acid is reduced to 20% or below. When the specific primer is used for detecting the corresponding mutant gene, a specific band exists, the efficiency reaches 100%, and the accuracy is high. The mutation does not influence the normal growth and development and other agronomic characters of the soybeans while obviously improving the oleic acid content, ensures the yield and other comprehensive properties of the soybeans, and is beneficial to large-scale popularization and planting. The mutation site and related technologies have wide application prospects in soybean breeding and soybean product production, can be used for cultivating different types of high oleic acid soybean varieties, meet various market requirements, and also can be used for improving the quality of various soybean products.

The invention provides a production process of high-oleic-acid peanut oil, which comprises the following steps: S1, selecting high-quality high-oleic-acid peanut kernels as an oil material, and screening to remove impurities; s2, performing low-temperature tempering and low-temperature squeezing on the peanut kernels, and filtering by a centrifugal machine to obtain peanut oil; s3, standing and precipitating the peanut oil; s4, carrying out physical filtration by using a plate-and-frame filter; s5, performing freezing and physical filtration; and S6, obtaining the finished high-oleic-acid peanut oil. According to the method, the loss of nutritional ingredients caused by high temperature is avoided, and meanwhile, the protein denaturation of the byproduct peanut meal is greatly reduced through low-temperature squeezing, so that the peanut meal has higher utilization value. A low-temperature filtering mode is adopted to replace a traditional refining process, and the product does not make contact with substances such as alkali, sodium salt, carclazyte and activated carbon in the whole process. Manpower and material resources are saved, the productivity and benefits are greatly increased, and the product quality is improved.

The invention discloses a method for identifying adulteration of camellia oleosa seed oil based on a triglyceride isomer. The method comprises the following steps: collecting data of primary mass spectrum information and secondary mass spectrum information of glyceride from an oil sample standard substance through an ultra-high performance liquid chromatography-quadrupole flight time-high resolution mass spectrometer; extracting triglyceride compounds with the top 27 peak area contents; carrying out isomer identification and content extraction on the first 27 triglyceride compounds; screening out characteristic isomer compounds according to variable projection importance; establishing an adulteration identification model according to principal component analysis and least square method-discriminant analysis of the isomer content; and adding the sample into the adulteration identification model for identification. According to the adulteration identification model, the camellia oleosa seed oil and the high-oleic-acid oil can be distinguished, the highest accuracy rate of predicting the types of the high-oleic-acid oil can reach 100%, the lowest identification adulteration concentration is 2%, and the adulteration accuracy of the camellia oleosa seed oil is remarkably improved.

A shelf-stable, indulgent, soft-baked snack product (e.g., a soft-baked snack bar) having reduced saturated fat, sodium, and / or sugar levels (“reduced SFSS”) compared to prior art soft-baked snack products but that is indulgent and flavorful to the consumer. The snack product has a relatively high moisture content, preferably about 5 wt % to about 20 wt %. A dough composition for making reduced SFSS, shelf-stable, indulgent, soft-baked snack products includes a flour component, a fat component consisting of sunflower oil (e.g., high oleic sunflower oil), a plurality of crispy protein inclusions, and a sucrose-free sugar component including isolated fructose. Sodium-containing leaveners are partially or completely replaced, e.g., by potassium bicarbonate. If present, cocoa powder is used in reduced amounts compared to prior art soft-baked snack products. A method of making the reduced SFSS, shelf-stable, indulgent, soft-baked snack product with the crispy protein inclusions includes a step of baking the dough composition.

The present application relates to the technical field of edible oil production, in particular to a preparation method of high-oleic peanut oil with high removal efficiency of aflatoxin, which comprises five core steps of two-stage low-temperature drying pretreatment of high-oleic peanut raw material, low-temperature and moderate-temperature gradient steaming and frying and pressing, coupling of nanometer composite adsorbent and gradient microwave field for synergistic removal of aflatoxin, precise separation and low-temperature physical refining, online quality control and nitrogen filling preservation. The present application realizes accurate regulation and control of process parameters through aflatoxin dynamic adsorption rate model and microwave synergistic detoxification efficiency formula, can make the removal rate of aflatoxin B1 be greater than or equal to 99.5%, the retention rate of oleic acid be greater than or equal to 98%, the content of aflatoxin B1 in finished oil be less than or equal to 0.1 μg / kg, and the generation amount of trans fatty acids be less than or equal to 0.15%, and the present application is suitable for industrialized continuous production, effectively guarantees the edible safety and nutritional quality of products.

The invention relates to the technical field of plant cream production, in particular to a highly unsaturated fatty acid non-hydrogenated milk base and a preparation method thereof. The milk base is prepared from 15 to 30 weight percent of base material oil, 0.4 to 0.6 weight percent of soybean phospholipid, 0.8 to 1.2 weight percent of monoglyceride, 0.4 to 0.8 weight percent of sucrose ester, 0.5 to 3 weight percent of sodium caseinate, 0.2 to 1 weight percent of hydrocolloid, 2 to 10 weight percent of sweetening agent, 0.5 to 1 weight percent of essence and the balance of water; the base oil is composed of liquid vegetable oil and solid vegetable oil, and the liquid vegetable oil is at least one of high-oleic-acid sunflower seed oil, low-linolenic-acid rapeseed oil and corn oil; the solid vegetable oil is at least one of palm stearin and palm kernel stearin. The content of unsaturated fatty acid in the non-hydrogenated system milk base can reach more than or equal to 50%, meanwhile, the shelf life of more than or equal to 9 months is maintained, and the problems that the milk base is thin in taste, slightly oily in flavor and large in peculiar smell due to high unsaturated fatty acid are solved.

The invention relates to the technical field of peanut oil extraction, in particular to a method for extracting original-flavor high-oleic-acid peanut oil, which comprises the following steps: S1, screening: screening peeled peanut raw materials by using vibrating screening equipment, and screening out impurities in the peanut raw materials to obtain the peanut raw materials; s2, pretreatment: sequentially performing three-stage low-temperature gradient drying on the screened peanut raw materials, performing assisted dehydration by adopting infrared rays, and controlling the total moisture content to be 3-4%; according to the method for extracting the high-oleic-acid peanut oil with the original flavor, the starch-chitosan composite liquid is added, so that the starch-chitosan composite liquid achieves multiple functions of oxidation resistance, bacteriostasis and physical barrier through natural component compounding and nanostructure strengthening, the original flavor of the peanut oil is reserved, meanwhile, the stability of oleic acid is remarkably improved, and the peanut oil has the original flavor. The technical effect is clear, and industrialization potential is achieved.

The present invention provides a molecular marker, primer set, kit, and method for identifying high, low, and heterozygous oleic acid millets, belonging to the field of molecular biology technology. The molecular marker is obtained by comparing the Yin91 gene of low-oleic acid millet with the Yin91 gene of high-oleic acid millet; the primer set includes Yin91(59-553)F: 5'-CATGCCATGACCCGTACGAA-3'; Yin91(59-553)R: 5'-TCGTCCACTACCACCACTCT-3'; the kit includes the primer set; and the method uses the primer set to perform PCR amplification on the millet to be tested to identify the high, low, and heterozygous oleic acid types of the millet to be tested. The present invention can quickly identify the high, low, and heterozygous oleic acid types of millet and is suitable for oleic acid type detection and breeding and seed selection.

This invention discloses an emulsion gel based on a compound of carnauba wax and monoglycerides, and its application in bread making as a substitute for margarine. The emulsion gel uses high-oleic sunflower oil as the base oil, with carnauba wax and monoglycerides compounded in a mass ratio of 5:5-8:2 as the gelling agent. Soy lecithin is added, and the mixture is pretreated by microwave, dissolved by heating, dispersed by ultrasound, and refrigerated to obtain the oil gel. Deionized water is then added, followed by homogenization, ultrasound, and refrigeration. The resulting emulsion gel completely replaces margarine and is used with high-gluten flour, water, sugar, and other ingredients to make bread through kneading, proofing, and baking. The synergistic effect of carnauba wax and monoglycerides through complementary HLB values, synergistic crystal structures, and intermolecular interactions solves the problems of excessive hardness and poor stability associated with single gelling agents. The bread prepared by this invention has zero trans fatty acids and low saturated fatty acids, a soft and fluffy texture, and sensory quality comparable to commercially available margarine bread. The process is simple and has broad application prospects.

The invention provides a method for detecting pesticide residues in food through liquid microextraction of a sodium alginate reinforced emulsion, and belongs to the technical field of food detection.The method comprises the steps that oleic acid serves as an extracting agent, a sodium alginate aqueous solution serves as an emulsifying agent and a sample form an emulsion to complete extraction, and then a magnesium sulfate aqueous solution is added to serve as a demulsifying agent for demulsification. Seaweed is a sustainable and renewable biological resource and can provide remarkable environmental benefits, and the extracting agent, the emulsifying agent and the demulsifying agent used in the method are all natural products extracted from the seaweed. Oleic acid is a long-chain fatty acid, has strong hydrophobicity, and is suitable for pesticide extraction. Sodium alginate has hydrophilic and hydrophobic groups and a net structure, so that the emulsification process of oleic acid can be enhanced, and the contact between oleic acid and a sample is improved to promote extraction. Magnesium sulfate is an inorganic salt capable of causing rapid phase separation of the sodium alginate reinforced emulsion. The pretreatment process does not need complex equipment, does not use vortexes, ultrasonic waves and centrifugal machines for extraction and separation, and is time-saving and energy-saving.

This invention discloses a diglyceride-based edible oil for assisting in lowering uric acid and its preparation method, relating to the field of edible oil technology. This diglyceride-based edible oil for assisting in lowering uric acid comprises the following ingredients in parts by weight: 42-50 parts modified high-oleic sunflower seed oil, 8-12 parts food-grade glycerol, 1.5-2.5 parts immobilized Rhizopus oryzae lipase, 0.3-0.8 parts modified apigenin, 0.2-0.4 parts vitamin E, 0.3-0.5 parts monoglyceride citrate, and 1.0-1.5 parts hydroxytyrosol. This composite edible oil combines the health benefits of diglycerides with the function of assisting in lowering uric acid. It exhibits good compatibility and stability of active ingredients, high bioavailability, excellent physicochemical properties, suitability for various cooking methods, and easy storage.

The invention discloses a cultivation device and method for a salt-tolerant high-oil high-oleic-acid peanut variety, and relates to the technical field of peanut cultivation devices. The device comprises a mounting frame, a transmission rod is rotationally arranged at the middle end of the interior of the mounting frame, the two ends of the transmission rod are rotationally arranged on the inner wall of the mounting frame, a driving assembly is arranged at the position, located at one end of the transmission rod, of the outer wall of the mounting frame, and circular connecting frames are fixedly arranged at the positions, close to the inner wall of the mounting frame, of the two ends of the transmission rod. Four placing plates which are horizontally arranged are arranged between the two connecting frames, rotating blocks are fixedly arranged at the two ends of each placing plate, and the rotating blocks are rotationally arranged in the connecting frames; through automatic operation of the equipment, a worker only needs to place and take down the placing plate, and subsequent operations such as peanut laying do not need to be manually carried out, so that the situation that raw materials need to be poured into a culture plate again and again during previous soilless culture is changed, the workload is greatly reduced, and the working efficiency is improved.