402 results about "Palmitic acid" patented technology

A synergistic composition for improving the bioaccessibility of minerals comprises lutein, a casein phosphopeptide, or a 1, 3-dioleoyl-2-palmitic acid triglyceride, preferably in combination with one or more non-digestible oligosaccharides. These compositions are useful for the prevention and / or treatment of mineral deficiency and related conditions, preferably anemia, said minerals comprising iron and / or calcium.

The invention discloses low-migration UV ink-jet ink and a preparation method thereof, and belongs to the technical field of novel ink. Comprising the following components in parts by mass: 10-15 parts of a dynamic cross-linked polyurethane acrylate oligomer, 5-8 parts of an epoxy silicone resin oligomer, 2-3 parts of modified silicon dioxide, 4-5 parts of a photoinitiator, 15-20 parts of sorbic acid modified color paste, 1-2 parts of nano cerium oxide and 0.5-1 part of an antioxidant. The molecular chain of the dynamic cross-linked polyurethane acrylate oligomer prepared by the invention contains an active group capable of forming a cross-linked structure and a dynamic covalent bond. The groups and bonds promote molecular chain crosslinking when the ink is cured, a three-dimensional network is formed, and the molecular crosslinking density is improved. Through interaction of palmitic acid modified silicon dioxide and oligomer, the palmitic acid modified silicon dioxide is uniformly dispersed in a matrix and interferes molecular chain movement during curing, so that the crosslinking density is further improved, an ink film layer is more compact and firmer, the wear resistance and the scratch resistance are improved, and the tinting strength and the stability are indirectly enhanced.

The invention belongs to the technical field of microorganisms, and particularly relates to pseudomonas monteilii BDLZ-3 and application thereof in relieving continuous cropping obstacles of crops. The invention discloses a strain of pseudomonas monteilii BDLZ-3, the preservation number of which is CGMCC (China General Microbiological Culture Collection Center) No.34349. The pseudomonas monteilii BDLZ-3 is separated and screened from the nature for the first time, phenolic acid autotoxic substances generated in the ginseng continuous cropping obstacle process can be efficiently degraded, the degradation rate of benzoic acid can reach 95.36%, various phenolic acids such as vanillic acid, cinnamic acid, palmitic acid and gallic acid can be effectively degraded, and the degradation spectrum is wide; when the pseudomonas monteilii BDLZ-3 is applied in a field, the content of benzoic acid in soil can be effectively reduced, meanwhile, the occurrence of ginseng root diseases can be controlled to a certain extent, the prevention and treatment effect reaches 41.23%, the growth indexes such as root length and root thickness are remarkably improved, and the yield increasing effect is achieved.

A nutritional composition comprising sn-2 palmitic acid and A2 beta-casein for use in improving the gut microbiota in a human subject.

The invention relates to a high-performance reactive asphalt cold patch mixture and a preparation process thereof. The mixture comprises a sulfonated fatty acid diluent, a graded aggregate, an atomic layer deposition (ALD) modified basalt aggregate and a solid waste-based composite curing agent. The sulfonated fatty acid diluent is prepared by sulfonating oleic acid, linoleic acid and palmitic acid through sulfamic acid, the sulfonation degree is 15-20%, and the sulfonated fatty acid diluent contains an epoxy three-membered ring structure; the 3-5mm aggregate is used as a transition layer to block the caking path of the fine aggregate; the basalt aggregate is subjected to TDMAT and TMA alternate deposition to form a Ti < x > Al < gamma > O < 2 > nano film; the curing agent comprises calcium strontium sulphoaluminate minerals, a titanium gypsum-carbide slag compound and magnesium-loaded lithium slag. During preparation, the modified aggregate, the sulfonated diluent and the curing agent are mixed at normal temperature. The problems that a traditional cold repairing material is poor in low-temperature fluidity and weak in interface bonding are solved, the viscosity at-20 DEG C is smaller than or equal to 450 mPa.s, the 7-day strength is larger than or equal to 5.2 kN, and the cold repairing material is suitable for low-temperature emergency repairing.

The invention belongs to the technical field of crystal compound preparation, and particularly relates to a crystallization process of small-particle-size palmitic acid paliperidone. The invention discloses a small-particle-size palmitic acid paliperidone crystallization process, solves the problems of large particle size, non-uniform distribution and serious agglomeration of the existing process product, and meets the requirements of long-acting injection bulk drugs. The process comprises the following steps: adding paliperidone palmitate into a specific mixed organic solvent according to a solid-to-liquid ratio of 0.04-0.09 g / g, stirring, dissolving and filtering at 65-75 DEG C, transferring into a high-pressure closed crystallizer, and pressurizing to 1.0-1.5 MPa; cooling and decompressing in sections, stirring, filtering and washing, and drying in vacuum at the temperature of 40-50 DEG C and the vacuum degree of-0.1 MPa to obtain a finished product. According to the invention, the process parameters are accurately controlled, the product is an irregular short rod-like / granular crystal, the particle size is in a normal single peak, the Dv (90) is 7.866-9.514 microns, the HPLC (High Performance Liquid Chromatography) purity is greater than or equal to 99.92%, the yield is greater than or equal to 90.25%, micronization is not needed, the process is stable, the economical efficiency is good, and the industrial application value is realized.

The invention provides a GC-MS (Gas Chromatography-Mass Spectrometer) quality detection method for a pulse-invigorating and blood-glucose-reducing traditional Chinese medicine composition. The detection method has the advantages of simple and convenient operation steps, accurate detection and high stability. According to the preparation method, volatile components in the blood-glucose-promoting and blood-glucose-reducing granules are determined, and 15 batches of content determination shows that the content of atractylenol in the blood-glucose-promoting and blood-glucose-reducing granules is 0.0205 to 0.1893 mg / g, the content of beta-eudesmol in the blood-glucose-promoting and blood-glucose-reducing granules is 0.0643 to 0.5737 mg / g, the content of palmitic acid in the blood-glucose-promoting and blood-glucose-reducing granules is 0.7319 to 5.1163 mg / g, the content of ferruginol in the blood-glucose-promoting and blood-glucose-reducing granules is 0.0743 to 0.2356 mg / g, and the content of tanshinone IIA in the blood- The detection method can be used as an internal control quality detection standard of the product to further guarantee the product quality. And the detection method can also be used for identifying the chemical components of the traditional Chinese medicine composition for dredging collaterals and reducing blood glucose, and has a good market prospect.

The invention relates to the technical field of nutritional foods, and particularly discloses a nutritional composition for improving muscle functions and application. The nutritional composition for improving the muscle function, provided by the invention, is prepared from the following components in parts by mass: 40 to 60 parts of 1, 3-dioleic acid-2-palmitic acid triglyceride and 20 to 70 parts of 1-oleic acid-2-palmitic acid-3-linoleic acid triglyceride. A specific amount of OPO and OPL are compounded, and the two components have a synergistic effect, so that the exercise amount and the ATP content of an organism are remarkably increased, sarcopenia is relieved by improving energy metabolism, the muscle function is improved, and the food has a wide application prospect in the field of food and is worthy of popularization and application. The food can be used in health-care food, formula food for special medical purposes, infant formula food or special diet food.

The invention discloses a botanical attractant for camellia weevils and application of the botanical attractant, and belongs to the technical field of plant disease and pest control. The botanical attractant provided by the invention comprises palmitic acid and / or phytol. The palmitic acid and / or the phytol have / has remarkable and efficient attraction activity on the camellia weevils, and are suitable for detecting the population trend of the camellia weevils, efficient attraction control and the like. Compared with a traditional method for chemically preventing and treating the camellia weevils at the present stage, the method for preventing and treating the camellia weevils through the plant source attractant is milder, more efficient, environmentally friendly and free of toxic and side effects, and important value can be provided for market application and application and popularization.

The invention relates to the technical field of building materials, and discloses a preparation method of a phase change material composite building thermal insulation material based on a porous structure. 13 to 18 parts of modified diatomite; 9 to 13 parts of nano cellulose aerogel; 7 to 11 parts of food-grade palmitic acid; 8 to 13 parts of microcapsule bio-based PCM; 0.9 to 1.4 parts of modified graphene; 11 to 15 parts of environment-friendly polylactic acid; 7 to 10 parts of montmorillonite; 1-2 parts of nano silicon dioxide; by compounding the expanded perlite, the modified diatomite and the nanocellulose aerogel, a basic framework with high porosity and low heat conductivity is constructed, heat conduction is effectively blocked, by introducing food-grade palmitic acid and microcapsule bio-based PCM, the material is endowed with heat storage and temperature regulation functions, phase change latent heat is improved, and the thermal conductivity of the material is improved. By adding modified graphene and nano silicon dioxide, an efficient heat conduction network and a heat insulation structure are formed, and the heat conductivity coefficient of the composite building heat preservation material is further reduced.

This invention provides a safe, environmentally friendly and solvent free method for dispersing graphene into polymeric compositions. In this process solid particles of graphene in a fatty acid matrix are mixed into the polymeric composition. The use of these solid graphene containing particles does not create dust while being mixed into the polymer and can much more easily be mixed into the polymer. Since fatty acids, such as stearic acid, palmitic acid, and oleic acid, are frequently incorporated into the polymeric formulations used in making a wide variety of products, this technique also offers a good method for introducing the fatty acid into the polymeric formulation. In such fatty acid containing polymeric formulations this technique also offers the advantage of not introducing unwanted solvents or agents into the formulation.

The invention belongs to the field of functional substance research, and particularly relates to a nutritional composition for promoting absorption of fatty acid and mineral substances and application. The nutritional composition provided by the invention comprises necessary active ingredients shown as the following (I) and (II): (I) 1, 3-dioleic acid-2-palmitic acid triglyceride; (II) a milk fat globule membrane, and / or, 2 '-fucosyllactose; moreover, in the nutritional composition, the mass ratio of the necessary active component shown in (I) to the necessary active component shown in (II) is (5-10): (0.5-10). The combination of OPO and MFGM and / or 2 '-FL provided by the invention can be beneficial to promoting the absorption of the body to fatty acids and mineral substances, and especially can be beneficial to promoting the transmembrane transport capability of intestinal cells of the body to fatty acids and mineral substances, so that the absorption efficiency is improved.

The invention relates to the technical field of biological pharmacy, in particular to application of a recombinant protein DEL-1 in preparation of a medicine for resisting pancreatic beta cell inflammation. The recombinant protein DEL-1 has a remarkable inhibition effect on pancreatic beta cell inflammatory response induced by high glucose and high fat. Experiments show that in an islet beta cell inflammation model constructed by combining high glucose with palmitic acid, DEL-1 can significantly reduce the expression level of inflammatory factors such as IL-1beta, IL-6, TNF-alpha and the like. The DEL-1 is proved to have a definite effect of resisting pancreatic beta cell inflammation.

The application provides a thermoelectric hydrogel composite dressing for promoting repair of diabetic ulcers and loading of targeted modified exosomes and a preparation method, which comprises the following steps: preparing methacrylated hyaluronic acid; preparing polyether F127 diacrylate; co-incubating exosomes with palmitic acid grafted targeting peptides to prepare targeted modified exosomes; mixing the methacrylated hyaluronic acid, the polyether F127 diacrylate, a photosensitizer, the targeted modified exosomes and an electrolyte, and crosslinking under ultraviolet light to form a composite gel. The composite dressing is a novel composite dressing for thermoelectric stimulation and exosome treatment. On one hand, the dressing generates a wireless and passive electric field to simulate the endogenous electric field in the wound, promote directional migration of skin cells, accelerate reepithelialization and dermal formation; on the other hand, the dressing releases exosomes to precisely target blood vessels of a wound lesion, reverse endothelial dysfunction in a high-sugar environment and promote angiogenesis, and effectively solves the problems in repair and regeneration of diabetic ulcer wounds.

The invention relates to a weather-resistant heat storage and heat preservation coating for energy storage equipment and a preparation method of the weather-resistant heat storage and heat preservation coating, and belongs to the technical field of coatings, modified composite resin is prepared from epoxy resin, organic silicon prepolymer, fluorocarbon resin, trifluoropropyl polydimethylsiloxane and other materials, and good film-forming property, adhesive force, weather resistance, binding property and energy storage and heat insulation property are provided. Paraffin, a Ti3AlC2MAX phase ceramic material, palmitic acid and polyphosphorylcholine ethylene glycol acrylate are adopted to prepare a composite energy storage material, the composite energy storage material is coated with nano-silica to obtain a nano-silica coated composite energy storage material, and the composite energy storage material is matched with components such as a weather-proof filler and a heat-insulating filler to be used according to a certain proportion. The coating has good weather resistance, corrosion resistance, heat storage and heat preservation performance, adhesive force, mechanical performance and the like.

The invention provides a composition for promoting differentiation of intestinal immune cells as well as a preparation method and application of the composition. According to the composition, 1, 3-dioleic acid-2-palmitic acid triglyceride and breast milk oligosaccharide are used in a combined manner, so that monocytes can be effectively promoted to differentiate into intestinal macrophages, and inflammation is reduced to a certain extent. After the monocytes are differentiated into the intestinal macrophages, the intestinal immune homeostasis and intestinal microbiota inflammatory response can be regulated, so that the mucosal immune homeostasis and intestinal epithelial cell barrier function are maintained. Therefore, the composition provided by the invention can improve the intestinal immune barrier by promoting the monocytes to differentiate into the intestinal macrophages, and provides a new thought for improving the early intestinal barrier of infants through nutritional supplement.

The invention relates to a mitochondrial uncoupling inhibitor sustained-release nanodot, a preparation method thereof and application of the nanodot in type 2 diabetes mellitus, and belongs to the technical field of nano-drugs. According to the preparation method disclosed by the invention, glycine and genipin are subjected to Schiff reaction to prepare the slow-release nanodot, and the slow-release nanodot is of a monodisperse spherical structure, has surface negative charges, and can slowly release genipin under physiological conditions, so that the mitochondrial protection effect of the genipin is fully exerted. The mitochondrial uncoupling inhibitor slow-release nanodot prepared by the invention can obviously improve the mitochondrial membrane potential, increase the cell ATP content, effectively inhibit mtDNA release under the stimulation of IL-1beta and palmitic acid, effectively inhibit STING inflammation pathway activation under the stimulation of IL-1beta and PA, obviously reduce pancreatic beta cell apoptosis, obviously relieve endoplasmic reticulum stress, and can be used for preparing the mitochondrial uncoupling inhibitor slow-release nanodot. The T2DM mouse blood sugar is obviously reduced, the glucose tolerance dose and the insulin sensitivity are improved, and good biocompatibility is achieved.

The invention relates to the technical field of petroleum drilling fluid loss reduction, and discloses an anti-divalent salt fluid loss agent for drilling fluid, which is prepared by the following steps: step 1, beta-cyclohexylamine and 6-chloro-1-hexene are subjected to a reaction to obtain alkenyl beta-cyclohexylamine; step 2, initiating polymerization of alkenyl beta-cyclopentadiene, a hyperbranched monomer pentaerythritol triallyl ether and 2-acrylamide-2-methylpropanesulfonic acid under the action of azobis (isobutylamidine hydrochloride), so as to obtain an intermediate A; 3, 3-dimethylamino-1-propylamine and palmitic acid are subjected to a reaction, and an intermediate 2 is obtained; 4, the intermediate 2 and benzyl chloride are subjected to a reaction, and quaternary ammonium salt modified fatty acid is obtained; and 5, stirring and mixing the intermediate A, quaternary ammonium salt modified fatty acid and coupling agent modified walnut powder to obtain the divalent salt resistant filtrate reducer for the drilling fluid. The anti-divalent salt filtrate reducer for the drilling fluid has a relatively good anti-divalent salt effect.

The invention discloses a bottom plate for an anti-crack laminated slab and a preparation method of the bottom plate, and belongs to the technical field of laminated slabs. The bottom plate for the anti-crack laminated slab is obtained by pouring and curing 4D steel fiber composite concrete slurry; the 4D steel fiber composite concrete slurry is prepared from the following raw material components in parts by mass: 20 to 35 parts of cement, 5 to 15 parts of mineral admixture, 25 to 40 parts of acrylate copolymer emulsion, 50 to 65 parts of sand, 0.05 to 0.2 part of defoaming agent, 0.1 to 0.25 part of polycarboxylic acid water reducing agent, 0.05 to 0.2 part of early strength agent and 0.4 to 0.9 part of modified 4D steel fiber, the acrylate copolymer emulsion is prepared from lauryl methacrylate, acrylamide, butyl perfluoroacrylate, 1H, 1H, 2H, 2H-perfluorodecyl acrylate, 1, 3-dimethylamino allyl phosphoric acid, 2-allylfuran, an initiator, a solvent and a solvent; aluminum palmitate is adopted as the defoaming agent; the modified 4D steel fiber is obtained by modifying maleimide siloxane.

The invention discloses polyester resin for a triglycidyl trimesic acid ester curing powder coating and a preparation method of the polyester resin. The polyester resin is obtained by esterification and condensation polymerization of trimesic acid, terephthalic acid, glycidyl methacrylate, glycidyl neodecanoate, palmitic acid, neopentyl glycol and behenyl alcohol. The cleaning agent comprises the following components in parts by mass: 5-15 parts of trimesic acid; 10 to 25 parts of terephthalic acid; 3 to 17 parts of glycidyl methacrylate; 8 to 12 parts of glycidyl neodecanoate; 3 to 7 parts of palmitic acid; 5 to 19 parts of neopentyl glycol; and 3 to 7 parts of behenyl alcohol. According to the invention, terephthalic acid and neopentyl glycol are used as framework monomers, and glycidyl methacrylate and glycidyl neodecanoate are used for modifying polyester resin, so that an obtained coating is higher in gloss and better in fineness; behenyl alcohol and palmitic acid are adopted to reduce the softening point of the polyester resin, reduce the difference between a curing agent and polyester in softening flow, increase the wettability of a film forming matter to pigments, fillers and a base material, and improve the gloss and fineness of a coating.

The present invention relates to a method for preparing an oil-soluble ionic liquid-carbon point eutectic, comprising the following steps: (1) preparing an ionic liquid: first adding n-butylamine to an excess of anhydrous ethanol and then dropping diisooctyl phosphate, or first adding n-octylamine and then dropping palmitic acid; then rapidly stirring the resulting solution at room temperature for 12 hours, rotary evaporation, vacuum drying, to obtain an ionic liquid diisooctyl phosphate n-butylammonium or palmitic acid n-octyl ammonium in a solid state at room temperature; (2) preparing carbon points: dodecylamine, anhydrous AlCl3 and o-dichlorobenzene oil bath pyrolysis to obtain carbon points; (3) preparing an ionic liquid-carbon point eutectic: adding 3 wt.%~10 wt.% of carbon points to the ionic liquid, then adding an excess of anhydrous ethanol, ultrasonically dissolving, vacuum drying, to obtain the corresponding ionic liquid-carbon point eutectic. At the same time, the present invention also discloses the application of the ionic liquid-carbon point eutectic. The preparation method of the present invention is simple, and has good oil solubility and room temperature fluidity as a lubricating oil additive.

A use of a nutritional composition in promoting the bidirectional development of the gut and brain via the gut-brain axis. The nutritional composition comprises the following essential components: docosahexaenoic acid, eicosatetraenoic acid, galactooligosaccharide, 1,3-dioleic acid-2-palmitic acid triglyceride, lutein, nucleotide, lactoferrin, casein phosphopeptide, and probiotics. By combining and strengthening multiple functional active components, the gut health and brain cognitive development of the organism can be bidirectionally promoted by means of the microbiota-gut-brain axis. In particular, the present application can promote the regulation of flora in the gut of the organism, increase the abundance of beneficial bacteria, and decrease the abundance of harmful bacteria related to brain development diseases. The content of butyric acid in the gut can be increased, and the contents of acetic acid and propionic acid are decreased to promote brain and cognitive development.

The invention relates to the technical field of building materials, and discloses a mortar containing a nanometer material and a preparation method thereof, the mortar comprises 70-80 parts by weight of cement, 8-12 parts by weight of fly ash, 0.4-0.5 part by weight of a polycarboxylic acid water reducer, 0.4-0.6 part by weight of hydroxypropyl methyl cellulose, 1-2 parts by weight of the nanometer material, 2-3 parts by weight of modified silk fibroin and 40-50 parts by weight of water. Wherein the modified nano silicon dioxide is modified by gamma-aminopropyltriethoxysilane, the modified cubic nano calcium carbonate is subjected to compound modification by fumaric acid, sodium stearate and palmitic acid, and the modified silk fibroin is prepared by grafting modification by bis-aminopropyl terminated polysiloxane. According to the mortar, through optimization of component matching and modification treatment of the nano material and the silk fibroin, the mechanical property, durability and crack resistance of the mortar are remarkably improved, and the cost is controllable.

The invention discloses boletus brownii xylan palmitate as well as a preparation method and application thereof. The boletus brownii xylan palmitate is xylan palmitate which is formed by alpha-(1-> 4)-xylose as a main chain, alpha-(1->)-glucose as a branch chain and palmitic acid molecules through ester bonds. The invention further discloses a preparation method of the boletus brownii xylan palmitate and application of the boletus brownii xylan palmitate in the aspect of immunoregulation. The boletus brownii xylan palmitate can be used as a dietary supplement or a food additive for immunodeficiency patients and tumor patients.

The invention discloses a preparation method of a self-heating PCM anti-icing / deicing super-hydrophobic coating, and belongs to the field of preparation of anti-icing coatings. The invention aims to solve the problems of high energy consumption, poor mechanical property and easy pollution of the traditional anti-icing material. The method comprises the following steps: 1, preparing a 1-ethyl-3-methylimidazolium tetrafluoroborate grafted nano cellulose copolymer; 2, preparing a self-heating PCM anti-icing / deicing super-hydrophobic coating solution; and 3, coating. The self-heating super-hydrophobic coating based on paraffin and palmitic acid eutectic carbon nanotubes is prepared by adopting an easy-to-spray method, has self-heating and super-hydrophobic dual performance, can store heat when sunlight is sufficient and release heat at low temperature, has good self-cleaning performance and mechanical performance, and can be used for preparing the self-heating super-hydrophobic coating based on paraffin and palmitic acid eutectic carbon nanotubes. The device is suitable for anti-icing and deicing in cold regions. According to the invention, a method of self-heating PCM anti-icing / deicing super-hydrophobic coating is adopted, and the icing time is prolonged through self-heating, photo-thermal and super-hydrophobic functions.

This invention belongs to the field of genetic engineering technology, specifically involving GmDREB2A2 Application of genes in regulating fatty acid content in plants. Overexpression. GmDREB2A2 Gene regulation of fatty acid content in plants. This invention utilizes an exogenous gene sequence expression vector to express the coding sequence shown in SEQ ID NO.1. GmDREB2A2 Gene sequences are introduced into plants to enable GmDREB2A2 Gene overexpression. Under these conditions, the plant's linolenic acid, linoleic acid, and palmitic acid content were significantly higher than the control, while the content of eicosatrienoic acid and erucic acid was significantly reduced.

The invention relates to the technical field of preparation of health-care products, in particular to a fat-soluble component nano-emulsion and a preparation method thereof. The preparation method comprises the following steps: stirring and dissolving the antioxidant and the caprylic / capric triglyceride, adding the vitamin D3 and the retinyl palmitate, and stirring and dissolving to obtain an oil phase; stirring the starch sodium octenylsuccinate in purified water until the starch sodium octenylsuccinate is dissolved, adding glycerol, and uniformly stirring and mixing to obtain a water phase; adding a small amount of water phase into the oil phase, and stirring at high speed to obtain primary emulsion; adding the primary emulsion into the residual water phase, stirring at a high speed, shearing and homogenizing to obtain a nano embedding emulsion; adding citric acid, cane sugar and sodium ascorbate into purified water, adding the nano embedding emulsion, and uniformly stirring to obtain a concentrated solution; and diluting the concentrated solution and adjusting the pH value to obtain the fat-soluble component nano-emulsion. The fat-soluble component nano-emulsion provided by the invention has good safety; the product can be easily absorbed and utilized by a human body, and is convenient for people to quickly supplement vitamin A and vitamin D3 required by the body.

The invention relates to the field of biological medicine, in particular to application of disulram in preparation of an orthopoxvirus inhibitor, the disulram is specifically combined with palmitic acid on MPXV gp045 membrane protein to show a remarkable inhibition effect on orthopoxviruses, and when IC50 of the disulram is 825nM, diffusion of the orthopoxviruses can be remarkably inhibited; in HeLa and Huh7.5. 1 cells, when IC50 is 3022nM and 7125nM respectively, formation of EEV can be remarkably inhibited, so that further transmission of orthopoxvirus is prevented, and a more comprehensive intervention means is provided for treatment of orthopoxvirus resistance.

The invention discloses a production method and application of a fulvic acid culture medium with the content reaching 95%. The culture medium takes weathered coal as a raw material and comprises 30-70 g of humic acid, 4-30 g of fulvic acid, 2-20 g of ulmic acid and 2-20 g of humic acid. The ash content is 4-15%, the ratio of C to N is (25-30): 1, the organic matter is 40-80%, and the N.P.K content is 3-4%; the formula comprises 40-70% of humic acid, 6-30% of fulvic acid, 3-15% of ulmic acid and 3-15% of black humic acid. During production, 800-1000 g of raw materials and 400-500 g of sterile water are stirred, 1-2 g of stock seeds are added, the pH value is adjusted to be 6-7, the temperature of an incubator is controlled to be 48-60 DEG C, the humidity is controlled to be 75-85 DEG C, a proper amount of oxygen is added, and shading fermentation is conducted for 48-72 h. The obtained enzyme bacteria contain various organic acids, various amino acids, various oxygen-containing functional groups, various life elements and the like, the viability of beneficial bacteria reaches 90-260 billion / g and is far beyond the standard of 0.2 billion / g of the national standard, meanwhile, the bacteria can also be used for producing third-level bacterial manure which is suitable for field and gardening cultivation, and the effect is extremely good. After application, vicious circle of chemical fertilizer and pesticide can be converted into ecological virtuous circle, and technical progress is highlighted.

The invention relates to the production of a triglyceride with Palmitic acid (P) in the middle position (XPX). A first transesterification process is used to produce a vegetable fat composition rich in palmitic acid and said intermediate composition is then further processed to produce triglycerides having a high proportion of its palmitic acid in the middle position.