164 results about "Pregelatinized starch" patented technology

The invention belongs to the technical field of pharmaceutical preparations, and particularly relates to a melogabalin besylate tablet containing a stabilizer and a preparation method of the melogabalin besylate tablet. The melogaba besylate tablet containing the stabilizer comprises a coating and a tablet core, wherein the tablet core comprises the following components: melogaba besylate, the stabilizer, a disintegrating agent, a lubricating agent and the balance of a filling agent; and the coating is prepared from the following materials: an Intai W100 film coating premixing agent and acrylic resin IV. The filling agent comprises xylitol, pregelatinized starch and maltodextrin in a mass ratio of (3-4): 3: (1-2). The stabilizer is vitamin E succinic acid polyethylene glycol ester. The coating is prepared from the following materials: an Intai W100 film coating premixing agent and acrylic resin IV in a mass ratio of (1-1): (1-2). According to the melogabalin besylate tablet prepared by the invention, the stability and the dissolution performance can be synchronously improved.

The invention relates to the technical field of pharmaceutical preparations, in particular to a stable perindopril amlodipine tablet and a preparation method thereof, and the tablet comprises the following components in percentage by weight: 5.0% of arginine perindopril; 3.5% of amlodipine besylate; 20%-40% of pregelatinized starch; 40%-68% of a microcrystalline cellulose colloidal silicon dioxide compound; 2.5%-6% of a disintegrating agent, wherein the disintegrating agent is selected from one or more of ion exchange resin, sodium alginate and croscarmellose sodium; the pregelatinized starch and the microcrystalline cellulose colloidal silicon dioxide compound are selected as main diluents, so that the Maillard reaction possibly occurring between the lactose and the active pharmaceutical ingredients is completely avoided, the problem of increase of related substances is fundamentally solved, and the stability and the safety of the product are remarkably improved.

The invention provides a closed-loop control method for viscosity in a pregelatinized starch production process, and relates to the technical field of intelligent control, which comprises the following steps: acquiring real-time viscosity data and real-time temperature data of pregelatinized starch slurry, calculating a viscosity deviation value, calculating a temperature compensation coefficient by adopting an improved Arrhenius viscosity-temperature equation, and calculating the viscosity deviation value according to the temperature compensation coefficient. A compensated viscosity deviation value is obtained, the compensated viscosity deviation value and the change rate of the compensated viscosity deviation value are input into a double-variable fuzzy controller, and the stirring speed adjusting amount is calculated according to a fuzzy rule; according to the compensated viscosity deviation value and the change rate of the viscosity deviation value, an incremental PID control algorithm is adopted to calculate the adjusting amount of the opening degree of a steam valve, and cooperative control over steam heating and mechanical shearing is formed. According to the method, accurate compensation of the nonlinear relation between the viscosity and the temperature is achieved, by introducing a dynamic correction factor and a multi-protection mechanism, adaptability and stability under complex working conditions are enhanced, and the regulation and control efficiency and the product quality stability in the pregelatinized starch production process are effectively improved.

The invention discloses a rice cake capable of regulating postprandial blood sugar and inhibiting starch aging, and belongs to the field of food processing and preservation. The rice cake is prepared from the following raw materials in parts by mass: 100 to 300 parts of polished round-grained rice flour, 100 to 200 parts of glutinous rice flour, 5 to 30 parts of pre-gelatinized corn starch, 5 to 30 parts of wheat type B starch granules and 100 to 300 parts of water. The pre-gelatinized corn starch-wheat type B starch composite preservative prepared by mixing the pre-gelatinized starch and the wheat type B starch in proportion can effectively inhibit hardness increase caused by starch aging and retrogradation in the storage process of the rice cake and avoid taste deterioration. Meanwhile, by adding the composite starch, the digestibility rate of the rice cake is remarkably reduced, and the metabolic regulation characteristic similar to that of low glycemic index food is endowed to the product. The characteristic of a cleaning label formed by natural components of the rice highly conforms to the development trend of healthy food, and the rice is especially suitable for functional rice product development of people needing to control postprandial blood sugar fluctuation.

A lurasidone hydrochloride composition and a preparation method thereof, comprising a lurasidone hydrochloride granular composition and a lubricant. The lurasidone hydrochloride granular composition comprises lurasidone hydrochloride, cross-linked sodium carboxymethyl cellulose, silicon dioxide, pregelatinized starch, a filler, and a binder.

The invention discloses a mixed auxiliary material for traditional Chinese medicine film coated tablets and a preparation method of the mixed auxiliary material. The mixed auxiliary material comprises the following components in percentage by weight: 50-60% of etherified crosslinked starch, 15-20% of pregelatinized starch, 10-15% of sodium carboxymethyl starch, 0.6-0.8% of magnesium stearate and 2-3% of talc. The etherified cross-linked starch is used for replacing a traditional polymer, a cross-linked structure of the etherified cross-linked starch blocks water molecule permeation, pre-gelatinized starch improves powder fluidity, crushed talcum powder is mixed with the pre-gelatinized starch, microgaps are filled, a friction system is reduced, and the situation that the sheet surface is rough and prone to sticking is avoided; the dynamic balance of sodium carboxymethyl starch and magnesium stearate ensures the synergism of disintegration and lubrication, and completely avoids the problems of poor tablet hardness, slow disintegration and large weight difference of traditional Chinese medicine film-coated tablets.

The invention belongs to the field of refractory materials, and provides a light heat-insulating refractory brick and a preparation method thereof. The light heat-insulating refractory brick comprises particles, mixed powder and an additional binding agent, the particles comprise, by weight, 10-15 parts of expanded vermiculite and 30-45 parts of closed cell perlite, and the mixed powder comprises, by weight, 15-25 parts of spherical quartz powder and 5-15 parts of perlite dust collecting powder. The raw materials comprise, by weight, 5-10 parts of waste silica brick powder, 5-10 parts of siliceous pyrophyllite powder, 10-15 parts of Jiaozhou white clay, 5-15 parts of sodium montmorillonite powder and 5-15 parts of limonite powder; the additional binding agent comprises the following raw materials in parts by weight: 3-5 parts of binding slurry and 3-5 parts of pre-gelatinized starch. The refractory brick disclosed by the invention is a light heat-insulating refractory brick which is small in volume density, small in heat conductivity coefficient and capable of meeting the requirement of heat insulation in a high-temperature kiln at 900-1000 DEG C in normal-temperature compressive strength.

An unsubstituted, crosslinked pregelatinized starch has a cold viscosity in a range of 500 cP to 3200 cP at neutral pH and 6 wt-% solids, a retrogradation enthalpy of 2.3 J / g or less at 1 week and 7 J / g or less at 4 weeks, and conclusion temperature of retrogradation of less than 75 °C. The starch may be prepared from waxy tapioca, waxy rice, waxy-sugary-2 corn mutant, short chain waxy potato, waxy wheat, high phosphorylated waxy starch, or a combination of any two or more thereof. The starch may be crosslinked. The starch may be used in food products, nutritional products, pharmaceutical products, personal care products, paper products, and the like. A method of making the starch includes mixing a native starch with water to form a slurry; adjusting pH of the slurry to alkaline; and mixing a crosslinking agent with the slurry to effect a crosslinking reaction.

The present invention provides a dough composition containing the following (a) to (c):(a) grain flour and / or starch(b) pregelatinized grain flour and / or pregelatinized starch(c) a substance selected from fenugreek seeds, chia seeds, seaweed, yam, and agar, and a dough product containing the dough composition. Provided is also a method for producing the dough composition comprising adding water to a dry mix obtained by mixing component (a), component (b), and component (c) in a powder form, and further mixing the mixture.

The invention relates to the technical field of silicon carbide ceramics, in particular to an in-situ induced low-temperature eutectic silicon carbide porous ceramic and a preparation method thereof. The material is prepared by mixing and sintering the following materials: silicon carbide, a synergistic sintering system, a dispersing agent, a plasticizer and water, wherein the synergistic sintering system comprises the following components: pregelatinized starch, a silicate mineral material, aluminum oxide, calcium carbonate, glass powder and rare earth oxide; the pregelatinized starch is adopted as an adhesive, the thermal decomposition behavior of the pregelatinized starch and the chemical reaction activity of the glass powder and the calcium carbonate form synergy in the process, seamless connection of the whole process from the room temperature to the sintering temperature is achieved, the sintering temperature is greatly reduced, meanwhile, the glue discharging step is omitted, and the silicon carbide porous ceramic product with good performance and few defects is obtained.

The invention discloses microcapsule eel initial feed and a preparation method thereof, and relates to the technical field of biology. The feed comprises the following components in percentage by mass: 20-30% of fish meal, 5-15% of euphausia superba powder, 5-15% of yolk powder, 10-20% of fermented soybean meal, 2-8% of algae powder, 5-10% of microcrystalline cellulose, 3-8% of maltodextrin, 5-10% of pre-gelatinized starch, 2-5% of soybean lecithin powder, 2-5% of fish oil or shrimp oil, 1-3% of a vitamin premix, 1-3% of a mineral premix and 0.5-2% of probiotics, according to the device, raw materials can be mixed, dehydrated, formed and trimmed in sequence from top to bottom, the process flow of bait processing is effectively shortened, the situation that the bait raw materials need to be transferred many times in the bait production process, and consequently the production and forming efficiency of bait is reduced is avoided, and the overall smoothness of the center forming barrel is effectively improved.

The present disclosure provides pregelatinized pea starch (PPS) compositions and processes for producing pregelatinized pea starch. The PPS of the invention has several distinguishing attributes, including relatively alkaline pH when dissolved in water, high water absorption index water solubility index relative to known pregelatinized pea starches. The PPS of the invention is also highly viscous at low temperature without heating, providing for abundant uses in the food and beverage industry.

The invention discloses an ibuprofen composition suspension and a preparation method thereof, the preparation method comprises the following steps: adding purified water accounting for 60% of the prescription dosage into a liquid preparation tank, slowly adding pregelatinized starch in a stirring state, and stirring for more than or equal to 10 minutes after the addition is finished; heating is started, so that the pregelatinized starch is gelatinized; adding a prescription amount of cane sugar into the liquid preparation tank, and stirring for 10 minutes to completely dissolve the cane sugar; starting a tank body for cooling, when the temperature of the liquid medicine is cooled to be less than or equal to 50 DEG C, slowly adding xanthan gum into the stirring tank through a 40-mesh screen under a stirring state, after the xanthan gum is added, continuously stirring for more than or equal to 30 minutes, starting self-circulation to pass through a 5mm screen for 30 minutes, and then replacing a 20-mesh screen to continuously and circularly stir; the xanthan gum and the raw material medicine are added into the stirring tank in a sieving mode, then the liquid medicine is subjected to continuous circulating sieving to ensure that the xanthan gum is completely swelled and the raw material medicine is uniformly dispersed, finally, the content uniformity RSD% of the liquid medicine at different positions is within 2%, and the uniformity of the liquid medicine is good; the feeding process is simplified to a certain extent, the use of equipment is reduced, the cleanness is realized, and the production efficiency is improved.

Provided is a pregelatinized starch having a gelatinization degree of 13.0 or more and an advancing distance of 3.30 cm or less.　The gelatinization degree is a ratio Wf / Ws of a gel generation quantity Wf when the pregelatinized starch is mixed with 100 times the mass thereof of water and a quantity Ws of the pregelatinized starch before mixing, and the advancing distance is the movement distance of 10 g of a gel obtained by mixing water and the pregelatinized starch in a manner in which the moisture content of the obtained gel becomes 90.9 mass%.　The present invention further provides a heated-dough food product using the pregelatinized starch and a bakery food product obtained by heating a batter including the pregelatinized starch.

The invention provides a composition for improving the thrombolysis capacity of a human body, a preparation method and application thereof.The composition is prepared from, by weight, 5-30 parts of earthworm protein, 30-120 parts of hippophae rhamnoides total flavone extract, 50-150 parts of silymarin extract, 20-80 parts of maltodextrin and 15-60 parts of pregelatinized starch, the earthworm protein activates a fibrinolytic system to promote t-PA to release and dissolve thrombus, and the hippophae rhamnoides total flavone extract activates the fibrinolytic system to promote t-PA to release and dissolve thrombus; the hippophae rhamnoides total flavonoids regulate the ratio of PGI2 / TXA2 to inhibit platelet aggregation and reduce blood fat, the silymarin protects the liver function to enhance LDL-C metabolism clearing, the hippophae rhamnoides total flavonoids, the silymarin and the hippophae rhamnoides total flavonoids cooperate to form a thrombolysis-antithrombosis-metabolism regulation three-dimensional intervention system, a whole-course low-temperature mixing direct tabletting process is adopted

The application relates to the technical field of medicine preparation, and particularly discloses a levodopa-benserazide tablet, a preparation method and application thereof, which comprises levodopa granules, benserazide hydrochloride granules, cross-linked polyvinylpyrrolidone and magnesium stearate; the levodopa granules are composed of levodopa, anhydrous calcium hydrogen phosphate, pregelatinized starch, cross-linked polyvinylpyrrolidone, red iron oxide and sodium docusate; and the benserazide hydrochloride granules are composed of benserazide hydrochloride, mannitol, microcrystalline cellulose, colloidal silicon dioxide, red iron oxide and ethyl cellulose. The related substances and the friability of the levodopa-benserazide tablet meet the production requirements, the stability is high, and the tablet is suitable for large-scale production.

The invention relates to the field of herbal fragrant moxibustion, in particular to an edible and medicinal inhalation type atomized moxibustion material and a preparation method thereof. The invention relates to an edible and medicinal inhalation type moxibustion atomized material which comprises the following raw materials in parts by weight: 8-11 parts of astragalus membranaceus, 5-6 parts of pericarpium citri reticulatae, 6-10 parts of radix puerariae, 10-12 parts of agilawood, 8-12 parts of poria cocos, 7-9 parts of radix ophiopogonis, 20-25 parts of a carrier, 2-3 parts of an adhesive and the balance of water, wherein the total weight part is 100; the carrier comprises at least one of lotus leaves and loquat leaves; the adhesive comprises at least one of guar gum and pregelatinized starch. According to the application, the medicine taking astragalus membranaceus as a main medicine is prepared into the edible and medicinal inhalation type moxibustion atomized material, and the medicine can be absorbed in an aerosol inhalation mode during use. And after the moxibustion atomized material is prepared, the medicine medium has higher penetrability, can reach blood capillaries of a human body more easily, and has a stronger conditioning effect.

A novel compound complex that has no side effects on a liver and is used to alleviate the toxicity of an acetaminophen (APAP) drug to the liver. The composition of the compound consists of (a) acetaminophen in a pharmaceutically effective amount and (b) a commonly-used safe and pharmaceutically acceptable excipient that can be combined with one or more of two drugs to reduce the toxicity of a drug metabolized by the hepatic enzyme CYP2E1 in the liver.The compound is selected from the following group: Tween 20, microcrystalline cellulose, dicalcium phosphate, polyoxyethylene 23 lauryl ether, saccharin, mannitol, polyoxyethylene alkyl ether, sucralose, pyrrolidone, sodium starch glycolate, S100 acrylic resin, sodium carboxymethylcellulose, polyoxyethylene polyoxyethylene, menthol, low-substituted propylcellulose hydrocarbon, pregelatinized starch, Dextrates NF hydrate, citric acid, polyoxyethylene castor oil, colloidal silicon, aliphatic polyethylene glycol monostearate ester, sorbic acid, lemon oil, hydroxypropylcellulose, sorbitol, acesulfame potassium, hypromellose phthalate, lactose monohydrate, maltodextrin, Brij 58, Brij 76, Tween 80, Tween 40, PEG 400, Peg 4000, PEG 2000, and the like, so as to reduce the side effects caused by acetaminophen on the liver.

The invention discloses an ebastine tablet and a preparation method thereof. The ebastine tablet is prepared from the following raw material components in parts by weight: 7 to 10 parts of ebastine, 13 to 22 parts of microcrystalline cellulose, 66 to 90 parts of lactose, 3 to 6.5 parts of pregelatinized starch, 4 to 6.5 parts of croscarmellose sodium and 1.0 to 2.6 parts of magnesium stearate. A wet granulation process is adopted, granules prepared by the process are good in flowability and compressibility, qualified in quality and stable in property, and the medicine is a pH dependent medicine and cannot reach tank leakage conditions in media with the pH of 4.5, water and pH of 6.8. In combination with biological pharmacy and pharmacokinetic data of drugs, ebastine is a BCS2 compound, the ebastine can reach a peak in vivo quickly, the peak time is about 2 hours, and the peak time of a main metabolite carristine of the ebastine in vivo is 4.5-6 hours.

The invention discloses dust-free putty which is prepared from the following components in parts by mass: 985 to 1000 parts of heavy calcium powder, 2 to 3 parts of pregelatinized starch, 3.2 to 3.5 parts of cellulose ether, 1.4 to 2 parts of polyvinyl alcohol, 8 to 10 parts of bentonite, 0.4 to 0.6 part of starch ether and 3 to 5 parts of dust suppressant. The invention also discloses a preparation method thereof. By adding the specific pregelatinized starch, the cellulose ether, the polyvinyl alcohol, the bentonite, the starch ether and the mineral oil into the heavy calcium carbonate powder, the obtained putty has good constructability, bonding strength and stability, meanwhile, the putty is endowed with certain thixotropy and water-retaining property, the tensile bonding strength and the construction performance of the putty are guaranteed, and the putty has the advantages of being simple in preparation process and low in cost. And meanwhile, a good dust inhibition effect is achieved.

This invention discloses a flocculant for treating fracturing flowback fluid, relating to the field of oilfield wastewater treatment technology. The flocculant comprises modified starch and organic acid. The preparation method of the modified starch includes the following steps: reacting allyl alcohol glycidyl ether with 1,4,7-trimethyldiethylenetriamine; after the reaction, separating and purifying to obtain an intermediate product; taking the intermediate product and dissolving it, adding an alkyl halide to perform a quaternization reaction; after the reaction, separating and purifying to obtain a cationic monomer; taking pregelatinized starch and dispersing it in water, then adding the cationic monomer, acrylamide, and an initiator to perform free radical polymerization; after the reaction, drying to obtain the final product. The flocculant for treating fracturing flowback fluid provided by this invention not only has strong salt resistance, making it suitable for the high-salt environment of fracturing flowback fluid, but also effectively removes oil, turbidity, color, and suspended solids from the fracturing flowback fluid, and has a strong COD removal capacity.

The invention relates to a preparation method of a complete puffed compound feed for trachinotus ovatus. Belongs to the technical field of expanded feed for marine fish. The pregelatinized starch is used for lowering the temperature of the puffing and tempering section, and the water vapor is used for adjusting the initial water content to 19-23%, so that the high-temperature inactivation is reduced; the passing time of the screw section is controlled, and mechanical shearing and heat accumulation are reduced; the instant high-temperature pressure of the puffing section is suddenly reduced to form a porous structure, and the dissolution rate control of crude protein and crude fat is promoted by matching with the proper proportion of the pre-gelatinized corn starch and the cassava starch and the tackifying effect of the poultry eggs; probiotics and metabolites thereof in the fermentation liquor are reserved to the maximum extent; the viable count of probiotics in the puffed granules is remarkably increased and is far higher than that of conventional high-temperature granulation; butyric acid, lactic acid, antibacterial peptide and the like generated by fermentation are blended into the feed, so that growth of pathogenic bacteria is inhibited, and intestinal health of the trachinotus ovatus is enhanced.

This invention, entitled "Antibacterial Food Packaging Film Containing Propolis Extract, Preparation Method, and Application," belongs to the field of food packaging films. The technical problem to be solved is the poor mechanical properties, antibacterial properties, and antioxidant properties of the packaging film. The antibacterial food packaging film provided by this invention is made from the following raw materials: tamarind gum, pregelatinized starch, glycerin, and propolis extract. Xyloglucan in the tamarind gum is extracted by rapid high-temperature heating, and the propolis extract is integrated into the film-forming solution through simple blending. After drying, the film is obtained. The antibacterial food packaging film prepared by this invention solves the problem of poor mechanical properties in traditional tamarind gum-based packaging films and endows the packaging film with antibacterial and antioxidant functions, which can inhibit food spoilage and thus extend the shelf life of food.

The present invention addresses the problem of providing a tablet which contains acotiamide or a salt thereof at a high concentration and which has not only a good elution property but also good storage stability.　The present invention relates to a tablet characterized by comprising granules that contain (A) acotiamide or a salt thereof, (B) pregelatinized starch, and (C) a disintegrant selected from low-substituted hydroxypropyl cellulose and sodium starch glycolate wherein the content of the component (A) in an uncoated tablet is 65-91 mass%.

The invention relates to a high-content 5-aminolevulinic acid sustained-release pellet, which comprises the following components: 5-aminolevulinic acid phosphate; microcrystalline cellulose (MCC PH-102); hydroxypropyl cellulose (HPC-SL); 2-5% of pregelatinized starch; sodium carboxymethyl starch (CMS-Na); sucrose; the drug loading capacity is 60 + / -2%, and the bulk density is 0.65-0.75 g / cm < 3 >.

This invention relates to a choleretic traditional Chinese medicine composition, its preparation method, and its application, belonging to the field of traditional Chinese medicine preparation technology. The microcapsules prepared from this choleretic traditional Chinese medicine composition consist of a core and a coating. The core contains a traditional Chinese medicine extract, pregelatinized starch, sodium alginate, and croscarmellose sodium. The coating contains hydroxypropyl cellulose and hydroxypropyl methylcellulose E5, PEG4000, and talc. The traditional Chinese medicine extract is made from Artemisia capillaris, Lysimachia christinae, Rheum palmatum, Scutellaria baicalensis, Taraxacum mongolicum, Forsythia suspensa, Curcuma longa, Curcuma longa, Bupleurum chinense, Citrus aurantium, and Aucklandia lappa. This choleretic traditional Chinese medicine composition has the effects of promoting bile flow and expelling gallstones, detoxifying and reducing swelling, with a stable drug release rate, definite efficacy, and few toxic side effects. It can be used for the prevention and / or treatment of acute and chronic gallstones and / or cholecystitis.

This invention provides a cat litter additive, its preparation method, and its application. The preparation method includes the following steps: dripping a liquid component onto a solid base material, causing the solid base material to automatically agglomerate into granules, then separating and collecting the granules, and freeze-drying them to obtain the cat litter additive; the liquid component includes water; the solid base material, by weight, includes 5-10 parts of binder, 40-60 parts of pregelatinized starch, and 40-45 parts of microcrystalline cellulose. The preparation method provided by this invention is simple to operate, requires little liquid component, has low cost, and produces an additive with low density, good water absorption, resistance to breakage, and high quality.

The present invention relates to a pharmaceutical composition and use thereof. The pharmaceutical composition comprises a substance Z and pharmaceutical excipients. The substance Z is a compound represented by formula (I) or a pharmaceutically acceptable salt thereof. The pharmaceutical excipients comprise a binder, a disintegrant, and a filler. The content of the compound represented by formula I accounts for at least 5% of the mass of the pharmaceutical composition. The filler is selected from one or more of lactose, microcrystalline cellulose, mannitol, starch, sucrose, and pregelatinized starch. The pharmaceutical composition has stable pharmaceutical properties, and exhibits the characteristics of low effective dose, safety, superior efficacy, and the like in clinical applications for gout and hyperuricemia.

The invention provides a torasemide dispersible tablet as well as a preparation method and application thereof, and relates to the technical field of pharmaceutical preparations, the torasemide dispersible tablet comprises the following components: torasemide, microcrystalline cellulose, lactose, pregelatinized starch, cross-linked sodium carboxymethyl cellulose and magnesium stearate, the technical problem that a patient is difficult to swallow is solved, and the torasemide dispersible tablet is suitable for clinical application. The technical effects of high stability, rapid disintegration and high dissolution rate are achieved. The torasemide dispersible tablet is stable, easy to swallow, high in disintegration speed after entering a human body and high in bioavailability.

The invention discloses a preparation method of modified cotton stalk charcoal-based urea fertilizer, comprising the following steps: crushing cotton stalks and passing them through a sieve, placing them in a crucible and sealing them, pyrolyzing and isothermally isothermal to obtain cotton stalk biochar; diluting wood vinegar, adding cotton stalk biochar and stirring, allowing cotton stalk charcoal to be fully immersed in wood vinegar, filtering out cotton stalk biochar, and drying in a drying oven to obtain modified charcoal; taking cotton stalk biochar and modified charcoal in different beakers, adding pure water, heating and boiling, filtering, and detecting the pH value of the filtrate; crushing urea particles through a sieve and fully mixing them with the modified charcoal, adding a pregelatinized starch binder and stirring to obtain a fertilizer mixture; adding water to the fertilizer mixture, stirring it fully, pouring it into a pellet feed machine for extrusion molding, and drying the molded fertilizer particles after collection. The charcoal-based urea fertilizer prepared by the present invention can be directly applied to saline-alkali soil, prolonging fertilizer efficiency while increasing soil organic matter content, and can effectively reduce the harm of high pH of charcoal-based fertilizer to soil.