41 results about "Azadirachtin H" patented technology

The present invention describes compositions and methods for treating, preventing and improving the appearance of skin, particularly, treating, preventing, ameliorating, reducing and / or eliminating fine lines and / or wrinkles of skin, wherein the compositions include limonoid constituents which inhibit acetylcholine release at neuromuscular junctions of skeletal muscle so as to relax the muscles involved with wrinkling, folding and creasing of skin, e.g., facial movement and expression. The limonoids preferably include the plant alkaloids toosendanin and azadirachtin. The compositions, which also are used to treat hyperhidrosis, are preferably applied to the skin, or are delivered by directed means to a site in need thereof.

The invention discloses special organic / inorganic composite biological pesticide fertilizer for mulberry. The fertilizer consists of the following raw materials in percentage by weight: 18-23 parts of fowl manure, 12-16 parts of cow dung, 12-26 parts of sheep manure, 10-15 parts of straw, 5-10 parts of peat soil, 6-12 parts of animal bone meal, 6-9 parts of tree leaves, 5-8 parts of mushroom slag, 14-16 parts of urine, 11-13 parts of calcium superphosphate, 13-15 parts of calcium nitrate, 9-12 parts of potassium sulfate, 0.07-0.11 part of ammonium molybdate, 1.8-2.2 parts of copper sulfate, 0.9-1.3 parts of manganese sulfate, 4-6 parts of ferrous sulfate, 11-14 parts of potassium humate, 5-7 parts of egg shell powder, 0.05-0.1 part of borax, 13-15 parts of goose feather, 5-6 parts of microorganism yeast, 9-12 parts of celastrus orbiculatus, 5-6 parts of azadirachtin and 5-7 parts of monkshood. The composite biological pesticide fertilizer has the advantages of being remarkable in yield increase benefit, integrated in fertilization and sterilization, environment-friendly and free from pollution.

The present invention provides a compound biological pesticide containing nimbin. Said invention adopts zodium lauryl sulfate, polyoxyethylated alkylphenol, ammonium styrene polyoxyethylene ether sulfate and sodium alkene ethyl sulfate as emulsifying agent. The composition of said compound biological pesticide contains (by mass%) nimbin 0.2-5, biological pesticide 0.5-8, emulsifying agent 5-20 cosolvent 5-15, antifreezing agent 0.5-2, stabilizing agent 3-5, synergistic agent 0.2-1.5, pH value regulating agent 0.1-0.5 and water 45-70. It is a transparent liquid microemulsion agent, can be used for controlling various injurious insects.

The invention relates to a pesticide preparation and process for preparing it, wherein the preparation mainly comprises nimbin and methylamino avermectin as t he active ingredients, and the preparation consists of mixing 0.05-20 wt% of nimbin extractive and 0.1-15 wt% of methylamino avermectin, at the presence of various auxiliary agents, preparing agricultural chemicals including emulsion oil, wet powder (WP), water granules (WG) and microcapsule suspending agent (CS).

The invention discloses a flower special fertilizer and a preparation method thereof. The fertilizer comprises the following raw materials by weight: 1-4 parts of ammonium hydrogen carbonate, 30-35 parts of mushroom residue, 10-20 parts of potassium humate, 40-50 parts of chicken manure, 3-8 parts of carboxymethyl chitosan, 6-12 parts of ammonium chloride, 1-5 parts of ferrous sulfate, 10-20 parts of peat soil, 6-10 parts of rice bran, 4-8 parts of wheat bran, 5-10 parts of fallen leaves, 10-15 parts of feathers, 20-40 parts of straw, 12-15 parts of ammonium phosphate, 10-25 parts of urea, 6-10 parts of potassium sulfate, 6-10 parts of ammonium sulfate, 4-6 parts of azadirachtin, 2-8 parts of zinc sulfate, 2-6 parts of borax and 2-5 parts of microbial ferment. The fertilizer provided by the invention has scientific and reasonable formula, high nitrogen, phosphorus and potassium content, double effects of fertilization and insecticide, and is environment-friendly, pollution-free, and conducive to protection of ecological environment and soil structure.

A storage stable, efficacious pesticide formulation is provided that is dilutable by the user and contains azadirachtin (AZA) and a pyrethrin or pyrethroid (PYR), and optionally an aprotic solvent and non-ionic, substantially water-free emulsifier. A sufficient amount of the PYR is provided to complex with the AZA A on opposite sides of the molecular structure thereof, thereby preventing rearrangement of the AZA A molecule in the presence of moisture that would result in hydrolysis and decomposition of AZA A. The AZA-PYR combination is sufficiently chemically stable such that less than 10% of the AZA A is decomposed when the formulation is subjected to an accelerated aging test for 30 days at 40° C. in a sealed container. The molar ratio of PYR to AZA A is preferably within the range of 0.5 / 1-10.5 / 1, more preferably within the range of 1.5 / 1-7 / 1, and most preferably with the range of 3 / 1-6 / 1. A solvent, when provided, should be in the range of about 70% to about 90% by weight based on the weight of the formulation, and the emulsifier should be within the range of about 0% to about 20%.

The invention discloses a nematicidal composition containing fosthiazate. The composition comprises an effective component A, namely, fosthiazate, and an effective component B, wherein the effective component B is one selected from amino-oligosaccharin, azadirachtin and ivermectin; the weight ratio of the effective component A to the effective component B is (1: 10)-(50: 1); the optimal weight ratio of the effective component A to the effective component B is (1: 5)-(10: 1); the effective components take up 0.2%-40% of the total weight of the composition. According to the invention, the composition can be prepared into various dosage forms applicable to agricultural production, such as a suspending agent, a water emulsion, granules, water dispersible granules and wettable powder, particularly slow-release granules; the nematicidal composition is mainly used for preventing and treating the root knot nematode diseases of vegetable crops, food crops, lawn grass, fruit trees, and the like.

A composite insecticide features that it contains methylamino abamectin benzoate and nimbin in the Wt ratio of (0.001-20):(0.01-80). Its advantages are broad spectrum and high effect.

The invention provides a mite-killing, degerming and deodorizing polyurethane foam material and a preparation technology thereof, and relates to the technical field of polymer materials. The polyurethane foam material is mainly prepared from, by mass, 900-1000 parts of polyether polyol, 450-650 parts of isocyanate, 20-100 parts of a chain extender, 40-50 parts of water, 10-80 parts of silicone oil, 2-3 parts of a tin catalyst, 3-8 parts of an amine catalyst, 30-100 parts of activated carbon, 50-100 parts of nanometer titanium dioxide, 5-25 parts of azadirachtin and 5-25 parts of spirodiclofen, and a mass ratio of the azadirachtin to the spirodiclofen is (1-2):(1-2), and preferably 1:1. The mite-killing, degerming and deodorizing polyurethane foam material solves the technical problems of low mite killing and degerming efficiency and short effect keeping time of existing polyurethane foam materials, can adsorb formaldehyde gas and peculiar smells, and also can fundamentally kill bacteria and remove mites, so the mite-killing, degerming and deodorizing polyurethane foam material provides guarantee for the health of people.

The invention provides an azadirachtin microemulsion and a preparation method thereof. The azadirachtin microemulsion comprises the following components according to mass ratio: 0.5-5% of azadirachtin powder, 18-25% of a solvent, 15-20% of an emulsifying agent, 1-5% of a synergist and 64.5-45% of de-ionized water. The preparation method comprises the following steps of: adding the azadirachtin powder into the solvent and agitating and dissolving into an oil phase; and then sequentially adding the emulsifying agent, the synergist and the de-ionized water, and mixing uniformly to prepare the azadirachtin microemulsion. The azadirachtin microemulsion disclosed by the invention is good in stability and is good for improving the stability of azadirachtin in water; the transferring efficiency is high so that azadirachtin liquid can be easily paved on a leaf surface, the safety is high, the volatilization of pesticide steam is inhibited, the environmental pollution is alleviated, the production, transportation, storage and utilization are safe; the azadirachtin microemulsion is easy to process and produce, and the investment and equipment costs are very low.

The invention belongs to the technical field of pesticide application, and particularly relates to a camphor leaf essential oil-containing plant-sourced pesticide composition and application thereof. The camphor leaf essential oil-containing plant-sourced pesticide composition comprises an active component A and an active component B, wherein the active component A is camphor leaf essential oil, the active component B is azadirachtin, and the weight ratio of the active component A to the active component B is (1:30)-(30:1). The pesticide composition has a significant synergistic effect, so that the dosage is reduced; the pesticide composition can effectively control pests having resistance to the conventional pesticides; the pesticide composition can control a variety of pests through one-time application, so that the application cost is reduced.

The invention discloses a preparation method of flower nutrient soil. The flower nutrient soil comprises the following components in parts by weight: 30-50 parts of root systems of Leguminosae plants,8-15 parts of bone meal, 5-10 parts of an EM microbial agent, 10-20 parts of rapeseed cakes, 10-20 parts of wine residues, 3-7 parts of radix isatidis, 10-20 parts of animal excrement, 5-10 parts ofmodified starch, 1-5 parts of celangulin, 1-5 parts of azadirachtin, 10-20 parts of nano carbon and 10-20 parts of diatomite. The preparation method has the beneficial effect that the nutrient soil prepared by the method provides elements required by the growth of flowers, wherein the elements comprises main elements such as N, P and K, medium elements such as Ca, Mg, S and the like, and trace elements such as Fe, Mn, Zn and the like, and the absorption and utilization rate of the flowers on the nutrient soil is improved. The oxygen content in the nutrient soil is suitable, the density of beneficial organisms in the soil is large, and an excellent growth environment is provided for plant roots.

The invention discloses a slow-release type nano insecticide and a preparation method thereof and relates to the field of biopesticides. The slow-release type nano insecticide is a slow-release type nano (azadirachtin / chitosan) preparation synthesized from nano chitosan and azadirachtin and has the three-dimensional network conformation and the slow-release characteristic; the preparation is totally water-soluble and good in stability, indoor virulence activity of the preparation on crop aphids such as myzus persicae, cabbage aphids, wheat aphids, brown citrus aphids and the like is increasedby 54.47%-98.41%, and indoor virulence activity of the preparation on lepidoptera pests such as oriental tobacco budworms, cabbage caterpillar, diamondback moths, prodenia litura and the like is increased by 31.75%-65.35%; with the adoption of the insecticide for field control, the better insecticidal effect on the crop aphids such as the myzus persicae, the cabbage aphids, the wheat aphids, the brown citrus aphids and the like as well as the lepidoptera pests such as the oriental tobacco budworms, the cabbage caterpillar, the diamondback moths, the prodenia litura and the like is achieved.

The invention discloses a method for industrially extracting azadirachtin dry powder in great amount, which is used for solving the problem of industrially extracting the azadirachtin dry powder as a raw material of pesticide in great amount. The azadirachtin dry powder comprises a neem methanol crude extract, and is prepared by the following steps: preparing a phase separation solution by an ammonium sulphate solution, and preparing an extraction liquid by ethyl acetate and methylene dichloride; removing clotted oil residual and lower separated liquid phase; collecting oil phase; concentrating by a film evaporator and a condenser; reversely extracting and degreasing by n-hexane and petroleum ether; collecting an organic solvent; centrifugalizing a target product; drying and crushing; and the like. The method saves the solvent; the yield for extracting azadirachtin once reaches 82 percent, and reaches over 96 percent if extraction is repeated once with purity reaching 23 to 26 percent; industrialized production yield and purity are high; the method is simple; furthermore, amino acid, protein, nucleic acid, polysaccharide, alcohols, aldehydes, alkaloid, organic acid and other organic materials can be effectively separated with improved stability. The azadirachtin dry powder can be used as powder, suspension, tablet and other advanced preparation formulations. The method does not have high requirement on equipment, and is convenient for large-scale manufacture.

Nimbin is extracted from nim kernel and has both pesticidal and bacteriostasis functions. Tropine is a kind of alkaloid extracted from solanaceae plant, such as henbane seed, belladonna and datura flower, and has powerful pesticidal function. Recompounding nimbin and tropine can obtain synergistic pesticidal effect. The nimbin-tropine emulsion of the present invention is recompounded with nimbin and tropine as main components and through adding proper amount of assistant. The pesticide has high efficiency, low toxicity, no pollution, safety to human body and farm animal and less resistance and may be used in preventing and treating various pests with resistance to other pesticides.

The invention provides an anti-tumor composition with synergistic effect and pharmaceutical application thereof. The anti-tumor composition comprises a radix codonopsis extract and an azadirachta indica extract. The radix codonopsis extract is selected from radix codonopsis polysaccharide, the azadirachta indica extract is selected from azadirachtin, and the molar ratio of the radix codonopsis extract to the azadirachta indica extract is 10:(3-20). Experimental results show that the components of the traditional Chinese medicine composition provided by the invention have synergistic function and can effectively inhibit the proliferation of PTC-1 cells and induce the apoptosis of tumor cells. Meanwhile, the traditional Chinese medicine composition has wide raw material sources, can be conveniently prepared into various dosage forms together with a pharmaceutical carrier, and is convenient to take clinically. The prepared radix codonopsis extract has the advantages of high content of active ingredients, less impurities, quick absorption after being compounded with the azadirachtin, capability of rapidly exerting drug effect and low clinical dosage, and is stable in process and suitable for industrial large-scale production.

The invention discloses a method of treating neem seeds in petroleum ether, methanol, ethanol, acetone, ethyl acetate, dichloromethane, chloroform, water or a mixture thereof using microwaves with a frequency of 2450 MHz and a power of 100 to 850 W. Process in a solvent to extract azadirachtin from neem seeds. Compared with the conventional chemical method, the method has the advantages of simplicity, high efficiency, rapidity, low cost, less waste liquid discharge, and high purity of the obtained product.

The invention provides a multi-stage countercurrent extraction method for azadirachtin, which is characterized in that: coarsely crushed neem seeds are put into a multi-stage countercurrent extraction device, and a solvent is pumped into the multi-stage countercurrent extraction device for dynamic countercurrent extraction at normal temperature or by heating properly; and the extracting solution is concentrated to prepare a solid extract containing 10 to 20 percent of azadirachtin, and the solid extract is used for preparing azadirachtin pesticides. The method has the advantages of short process flow, high extraction speed, high yield of azadirachtin, energy and solvent conservation, low production cost, easy industrial production and the like.

Disclosed is an agricultural chemical missible oil mixture of nimbin and flucycloxuron, which is a missible oil employing nimbin and flucycloxuron as the principal raw materials, the synergic action between nimbin and flucycloxuron in the mixture can be utilized to overcome the insect drug resistance, prevent the phytotoxicity of flucycloxuron, enlarge the range of use for the medicament, letdown dosage and extend effect sustaining period for the medicament.

An agricultural chemical for treating mite is prepared from nimbin and abamectin through proportionally mixing.

The invention provides a preparation method of azadirachtin dry powder. The preparation method comprises the following steps of mixing dried azadirachtin seeds with petroleum ether, and then stirring to extract azadirachtin oil; drying extracting residues in air to obtain an azadirachtin cake; then, mixing the azadirachtin cake with methanol and then stirring and extracting, filtering to collect filtrate and concentrating, and then oscillating and mixing concentrate with distilled water; extracting by dichloromethane to obtain azadirachtin extract, adding a polar organic solvent A to dissolve and mix with a solvent B; and then filtering under reduced pressure to obtain solid precipitates, and drying the solid precipitates after eluting by a solvent C to obtain the azadirachtin dry powder. The method provided by the invention is simple in process, high in solvent recovery rate, high in azadirachtin active ingredient content and lower in cost. The preparation method disclosed by the invention avoids cross infection of the organic solvent, is beneficial to recycling the solvent, lowers material cost and reduces environment pollution, and is applicable to large-scale production.

The invention relates to an insect prevention formula for ham and salted dried fish and a use method thereof. The formula is as follows: one liter of water or ethanol solution with light concentration contains 50mg to 300mg of matrine, or the content of matrine in one liter of water or ethanol solution with light concentration is reduced to 10mg to 50mg, and then 20mg to 100mg of azadirachtin or natural pyrethrum is added. The use method comprises the following steps: after being salted and before air-drying, the fish is washed, immersed into the solution prepared according to the formula for 5 minutes to 30 minutes and then taken out for air-drying; and after being salted and before air-drying, the ham is washed, immersed into the solution prepared according to the formula for 5 minutes to 30 minutes and then taken out for air-drying, and goes through the subsequent processing of traditional technique. The insect prevention formula completely adopts natural plant extracts for insect and fly prevention, does not relate to any synthetic chemical pesticide, has easy operation and insect prevention rate higher than 98 percent, and fully retains the traditional flavor and color and lustre of the ham and the salted dried fish, with only 0.4 yuan per kilogram of cost increase; and besides ensuring the traditional sensory quality of the ham and the salted dried fish, the insect prevention formula causes no potential safety hazard and can be applied in large scale.

A limonoid composition for the prevention and control of marine ectoparasites on fish is provided herein. Said composition comprises at least one limonoid selected from the group consisting of azadirachtin, salannin, meliantriol, karanjin, and nimbin or is an extract from Neem, Milletia pinnata, or Azadirachta indica. Said composition may be deposited on a polymer which is in the form of a net or cage. Alternatively, said composition may be incorporated into a fish feed.

Disclosed are novel active compound combinations comprising at least one substituted enaminocarbonyl compound and azadirachtin, which combinations are highly suitable for controlling animal pests such as insects and unwanted acarids. Methods of controlling insects and acarids are also disclosed.

The invention discloses a chemical disinfectant and a preparation method thereof. The disinfectant comprises, by weight, 10 to 20 portions of sodium lauryl sulfate, 5 to 15 portions of ethanol, 4 to 12 portions of sodium carbonate, 8 to 18 portions of sodium tetraborate, 2 to 8 portions of a povidone-iodine disinfectant, 4 to 12 portions of an azadirachtin emulsion, 10 to 20 portions of lauramine oxide, 7 to 17 portions of sodium silicate, 10 to 20 portions of a nonionic surfactant, 5 to 10 portions of triclosan, 10 to 20 portions of methyl p-hydroxybenzoate, 3 to 8 portions of ethylenediaminetetraacetic acid and 20 to 40 portions of deionized water. The preparation method is simple and the chemical disinfectant has broad-spectrum antimicrobial activity, no irritation to the human body and good bactericidal effects.

The invention relates to a pesticide blending technology, wherein nimbin and cycloheximide are employed as the main raw material to blend into microemulsion, which have the advantages of improved preventing and curing effect, safety to human, livestock and ecologic environment, Thus can serve as a blended germicidal agent for widespread application.

The invention relates to a botanical insecticide, in particular to a citrus insecticide. The citrus insecticide is prepared from components in parts by weight as follows: 5-8 parts of thiofluoximate,2-7 parts of imidacloprid, 1-5 parts of azadirachtin, 1-6 parts of diafenthiuron, 0.5-1.5 parts of tetramethrin, 1-3 parts of glycine, 0.1-0.3 parts of N-acryl methyl sodium taurate, 2-8 parts of montmorillonite and 2-8 parts of Chinese prickly ash water. The citrus insecticide has a long lasting period and can last for 2 months or longer after being used once, the dosage is small, the effects onthe environment are reduced, and the citrus insecticide also has the advantages of being fragrant, harmless to people and livestock, wide in insecticidal spectrum and free of residues.

A composite insecticide features that it contains methylamino abamectin benzoate and nimbin in the Wt ratio of (0.001-20):(0.01-80). Its advantages are broad spectrum and high effect.

The invention discloses an insecticide for Chinese herbal medicine planting and a preparation method thereof. The insecticide for Chinese herbal medicine planting is prepared from the following raw materials in parts by weight: 10-12 parts of agritol, 5-7 parts of alkaloid, 2-3 parts of beauveria bassiana, 3-5 parts of green muscardine fungus, 2-4 parts of paecilomyces varioti, 1-3 parts of aschersonia, 1-3 parts of verticillium, 6-8 parts of chlorbenzuron, 10-12 parts of nicotine, 1-3 parts of toosendanin, 10-12 parts of transdermal agents, 5-10 parts of pumpkin grout, 4-6 parts of abamectinmissible oil, 4-6 parts of azadirachtin missible oil, 5-7 parts of spinetoram suspending agents and 100-120 parts of water. According to the insecticide for the Chinese herbal medicine planting and the preparation method thereof, the proportion of components of the insecticide for the Chinese herbal medicine planting and preparation technology parameters are strictly controlled, biological insecticide raw materials are adopted, materials taking is convenient, the cost is low, control period is long and efficient, injurious insects are difficult to generate drug resistance, drug function time can be rapidly accelerated through the addition of the transdermal agents, compared with other insecticides in the market, the same drug function can be reached only requiring one third to half same dosage, and the suitable insecticide range is wide.