139 results about "Allyl isothiocyanate" patented technology

Yellow or oriental mustard seed can be fractionated to produce allyl isothiocyanate and p-hydroxybenzyl isothiocyanate, along with prepared mustard products, mustard protein and dietary fiber. Processes for the production of these various fractions from mustard seed stock are disclosed. The seed stock is comminuted with water to yield an activated slurry in which the enzyme myrosinase hydrolyses and deteriorates glycosinolates in the seed stock to isothiocyanates. Remaining slurry can then be sterilized and further conventionally processed to yield improved finished mustard products.

The present invention discloses a microcapsule mustard essence which consists of wall materials and core materials; the wall materials are prepared by using the following components in parts by weight: starch sodium octenylsuccinate 5.0-25 parts, soybean protein isolate 1.0-5.0 parts, sodium caseinate 0.1-3.0 parts, maltodextrin 20-60 parts and thickening agents 0.2-6.5 parts; and the core materials comprise the following raw materials in parts by weight: natural mustard oil 1.0-20 parts and / or allyl isothiocyanate 1.0-20 parts, and fragrance enhancing and coordinating agents 0.4-1.5 parts. The microcapsule mustard essences have high embedding rate and good heat resistance, can improve the stability of the mustard oil, overcome the shortcomings of highly volatility and strong irritation of liquid essences used in the past, and not easily being preserved in products, and better exert the fragrance of the mustard oil; and at the same time, the wall materials of the microcapsule mustard essences are widely accessible, have low production cost, and can be widely promoted and applied.

The invention discloses a sustained-release granule for controlling storage diseases and insect pests. The sustained-release granule comprises a granular inert carrier. Effective components are adsorbed on the granular inert carrier and comprise allyl isothiocyanate, glutaraldehyde and a stabilizing agent. A film-coating agent coats the surface of the granular inert carrier; the weight percentageof the granular inert carrier is 55-96.9 percent; the weight percentage of the allyl isothiocyanate is 1-20 percent; the weight percentage of the glutaraldehyde is 1-10 percent; the weight percentageof the stabilizing agent is 0.1-5 percent; and the weight percentage of the film-coating agent is 1-10 percent. The invention aims to provide the sustained-release granule for controlling the storagediseases and insect pests and a preparation method thereof, wherein the sustained-release granule has favorable controlling effect for main storage insect pests and germs, can control the diseases and insect pests with long action, reduce the drug-applied times and the drug-applied cost, is safe and economic in various links of production, transportation, storage, application and the like, saves labor power and physical resources, cannot damage the environment and is green and safe.

Chemical compositions having superior nematicidal properties are formulated. The compositions contain one or more selected aldehydes as the major component and one or more aliphatic or cyclic isothiocyanates as a minor component. Preferred mixtures contain furfural and one or both of methyl isothiocyanate and allyl isothiocyanate. Plant-parasitic nematodes are controlled by contacting the nematodes with the nematicidal compositions, by, for example, applying the compositions to soil or other plant growth media containing the nematodes.

The invention relates to a method for extracting athomin with mustard seeds as the raw material. The method comprises the following steps: taking mustard seeds in brassica in cruciferae as the processing raw material, soaking the raw material in water after being crushed, and then rapidly and effectively obtaining crude product of athomin by a subcritical water extraction method. Because the subcritical water extraction technology is a novel environment-friendly extraction technology not using or rarely using organic solvent, when being in the subcritical state, water has certain dissolving capacity to semi-polar and non-polar organisms, the polarity, the surface tension and the viscosity of water can be changed by controlling the temperature and the pressure of subcritical water, so that the dissolving capacity of the subcritical water to the organisms can be greatly imoroved, therefore, the extraction efficiency is greatly improved, and the content of allyl isothiocyanate product in athomin is high. Compared with the prior art, the method has the advantages of simple technological line, reasonable technological condition, simple and safe reaction and operation, short reaction time, low solvent loss, low technological cost, and high implementation value and social and economic benefit.

The invention discloses a purpose of allyl isothiocyanate for disinfection of panax notoginseng continuous cropping soil. Disinfection of the panax notoginseng continuous cropping soil includes the following steps that the soil is processed, the soil in which panax notoginseng is planted is deeply harrowed, aired and ridged, the absolute water content of the soil is adjusted, and the soil is kept moist; fumigant is sprayed, a dilute aqueous solution of the allyl isothiocyanate is evenly sprayed on the processed soil; sealed fumigation is conducted, and the ground surface is sealed for 7-15 days through a transparent film. The allyl isothiocyanate is used for fumigation disinfection of the panax notoginseng continuous cropping soil, the good nematode killing and bacterium resistance activity is achieved, meanwhile, the allyl isothiocyanate is from plants and belongs to a environment-friendly compound, and pollution to the environment is avoided.

The invention provides a farm chemical composition and application thereof. The farm chemical composition comprises the active components of dimethyl disulfide and allyl isothiocyanate. The farm chemical composition is used for disinfecting soil of crop fields for vegetables, strawberry, flower, melons, Chinese herbal medicines and the like and soil of a nursery, an orchard, a tea garden and a forest before sowing, and can effectively prevent and control root knot nematodes, soil-borne pathogenic fungi, soil-borne pathogenic bacteria and common farmland weeds during agricultural crop planting, especially the root knot nematodes, fusaria and abutilon theophrasti. The farm chemical composition has the benefits as follows: (1) the farm chemical composition has an unexpected synergistic effect within a certain proportion range, so that nematode-killing, bactericidal and weeding effects of the farm chemical composition are obviously better than those of a single component, the using dosage of farm chemicals, the farm chemical delivering labor and the farm chemical delivering cost are reduced, and the adverse effect on the environment and farm chemical residues are reduced; (2) the farm chemical composition has a wide prevention and control spectrum, and can be widely used for preventing and controlling soil-borne pathogenic nematodes, soil-borne pathogenic bacteria and weeds during agricultural crop planting.

A treatment for eliminating unwanted organisms in agriculture, the treatment comprising a first component comprising allyl isothiocyanate emulsified in water, and a second component comprising a solution of phosphorus and water.

An absorbent composition of matter acts as a carrier for an active ingredient. The active ingredient is gradually released by the carrier in a controlled manner, which is compatible with the environment and current tendencies towards the use of organic and biodegradable products. The carrier is characterized as being particles obtained from the milling, separation, air wash and classification of the different fractions obtained from corncobs. The active ingredient is, for example, an essential oil, such as garlic oil or extract that may be combined with other essential oils for a synergistic effect that results in an improved insecticide / fungicide that is natural and contains no chemical additives. Alternatively, an artificially obtained substitute, for example, allyl isothiocyanate (AITC), can be used as a substitute for mustard seed oil.

The invention discloses a gentle type yellow mustard sauce easy to smear and a preparation method thereof, and belongs to the fruit and vegetable food processing technical field. The product is prepared through activation, preliminary crushing, superfine grinding, heating dissolving, stirring, fermentation, compounding, ultrasonic emulsification and sterilization. Yellow mustard seeds are subjected to low-temperature crushing, so that myrosase activity is protected, enzyme inactivation is avoided from being caused by high temperature, allyl isothiocyanate is fully generated from glucosinolate in the mustard seeds, and thus the production of other bitter substances is reduced. With addition of a right amount of soybean protein, the stability of allyl isothiocyanate hydrolyzed from the mustard powder is improved, and main flavor substance isothiocyanates are not easy to volatilize. With addition of sorbitol, the water activity of the yellow mustard sauce is reduced, hydrolysis of allyl isothiocyanate is inhibited, and the flavor of the yellow mustard sauce is extended. Beta-cyclodextrin is added for embedding allyl isothiocyanate, so that the product is mellower in taste, tastes gentle and does not produce stimulation of nose choking, and the acceptable degree of the product is increased. Intermittent ultrasonic emulsification homogenization makes the yellow mustard sauce be more homogenous and have better smearing property, and flexible sterilization is adopted at a later period so as to better retain the flavor of the product.

A composition having a germination-preventing activity, comprising, as active principle, allyl isothiocyanate alone or in combination with other substances having a synergic action, in the form of emulsifiable formulates or as a microencapsulate in which allyl isothiocyanate is englobed in a polymeric-based system for the controlled release of the active principle. The microcapsule membrane represents a weight percentage of 5-25%, the surfactant 2-10% and allyl isothiocyanate a weight percentage not lower than 70%.

The invention relates to plant pesticide for controlling longhorn beetle and a use method thereof; the plant pesticide for controlling longhorn beetle comprises allyl isothiocyanate and carvone, wherein according to the volume ratio of raw materials, the allyl isothiocyanate is 90 portions to 99 portions and the carvone is 1 portion to 10 portions. According to the plant pesticide for controlling longhorn beetle and the use method thereof, the longhorn beetle control effect is above 97 percent, and the control effect is very ideal.

The invention discloses a microcapsule preparation containing allyl isothiocyanate and a preparation method and application of the microcapsule preparation. The microcapsule preparation is prepared from a wall material-the polyethylene glycol and a core material-a mixture of the allyl isothiocyanate and allicin and is prepared by the following steps: (1) heating the polyethylene glycol till being melted, maintaining the constant temperature, quickly adding the mixture of the allyl isothiocyanate and the allicin into the melted polyethylene glycol and stirring to form a uniform co-melt of the allyl isothiocyanate, the allicin and the polyethylene glycol; and (2) after naturally cooling, grinding, crushing, and sieving to obtain the microcapsule preparation. The microcapsule preparation containing allyl isothiocyanate disclosed by the invention is high in embedding ratio and strong in synergism, can effectively improve the stability of active ingredients containing the allyl isothiocyanate, prolong the persistence, reduce the toxicity, shelter peculiar smell and reduce the environmental pollution, and has the relatively strong cost advantage and economic benefit and the relatively good preventing and treating effects.

The invention provides an allyl isothiocyanate double-layer micro-capsule sustained release agent taking chitosan as a carrier, and a preparation method thereof. According to the allyl isothiocyanate double-layer micro-capsule sustained release agent, allyl isothiocyanate is taken as the capsule core; an interfacial polymerization product of toluene diisocynate and chitosan is taken as a first layer capsule wall carrier material; and an alginic acid membrane layer is taken as a second layer capsule wall carrier layer. Reaction process of the preparation method of the allyl isothiocyanate double-layer micro-capsule sustained release agent is short; a double-layer capsule wall is formed at normal temperature; release speed can be controlled; volatilization and decomposition loss of allyl isothiocyanate are prevented effectively; product stability is improved; the allyl isothiocyanate double-layer micro-capsule sustained release agent is high in storage stability, and is safe, sustained release can be realized, and development and application prospect is promising.

The invention relates to a molecularly imprinted polymer which is an allyl isothiocyanate slow-release polymer synthesized by using allyl isothiocyanate as template molecule and beta-cyclodextrin as functional monomer. The obtained polymer is a new molecularly imprinted polymer having good slow-release properties, so as to provide a feasible preparation approach to the synthesis of allyl isothiocyanate molecularly imprinted polymers. Meanwhile, the prepared allyl isothiocyanate molecularly imprinted polymer is applied to the preservation field, and preservative paper made of the allyl isothiocyanate molecularly imprinted polymer has good preservative properties, which provides a feasible basis for the application of allyl isothiocyanate molecularly imprinted polymers in the preservation field.

The invention provides an areca nut external control preservative. The preservative comprises the following components in percentage by mass: 0.25 to 8 percent of allyl isothiocyanate, 80 to 98 percent of filler, 1 to 10 percent of adhesive, 0 to 5 percent lubricant and 0 to 8 percent of essence, wherein the filler is any one or mixture of calcium sulfate, aluminum hydroxide, starch, pre-gelatinized starch, dextrin, powdered sugar, silicon dioxide and aluminum sesquioxide; the adhesive is any one or mixture of hydroxypropyl methyl cellulose, microcrystalline cellulose, polyvinylpyrrolidone, dextrin, starch and powdered sugar; the lubricant is any one or mixture of stearic acid, magnesium stearate, sodium stearate, calcium stearate and talcpowder; and the essence is any one or mixture of orange, corn mint, coffee, ethyl maltol, vanillin, and cinnamyl aldehyde.

The invention relates to a botanical insecticide and in particular relates to an allyl isothiocyanate and nicotine compound insecticide and application thereof. The active ingredients of the compound insecticide are allyl isothiocyanate and nicotine, wherein the weight ratio of allyl isothiocyanate to nicotine is (2:1)-(1:4), the preferable ratio is (1:1)-(1:3) and the optimal ratio is 1:3. Allyl isothiocyanate and nicotine show obvious synergism when being applied to controlling thrips on strawberries after being compounded. The compound insecticide shows outstanding effect on controlling thrips on strawberries.

The invention discloses a polymer fluorescence sensor with a hypochlorous acid ratio detection function and application of the polymer fluorescence sensor. The polymer fluorescence sensor is a novel ratio fluorescence sensor prepared from polyethylene glycol monoethyl ether chain transfer agents (PEG-TTC), styrene (St), 4-bromine-1, 8-naphthoyl dianhydride and allyl isothiocyanate. Quick ratio detection can be carried out on the hypochlorous acid by the polymer fluorescence sensor in pure aqueous solution in a high-selectivity and high-sensitivity manner. Compared with existing fluorescence detection technologies, the polymer fluorescence sensor and the application have the advantages that the polymer fluorescence sensor is quick in response to hypochlorous acid high-selectivity ratio, low in cytotoxicity and input cost, excellent in water dispersibility and suitable to be applied to amplified synthesis and actual production and has a huge application prospect in the technical fields such as analytical chemistry, life science and environmental science, synthetic routes are simple, and the like.

The invention provides a high efficient external control type antistaling agent, which, according to the percentage of the quality, is composed as the following; 30 to 50 per cent silicon dioxide, 49.995 to 68 per cent edible alcohol and 0.005 to 2 per cent allyl isothiocyanate. The antistaling agent is obtained by using the following methods: mixing the edible alcohol and the allyl isothiocyanate according to the quality percentage and then mixing with the silicon dioxide; then loading the mixture into a moisture permeability packaging film after stirring evenly under normal temperature for sealing. The invention can be used for storing food, medicinal materials, reagent, tobacco and leather. When it is used for storing food, packing the invention into packet, scraps with the moisture permeability packaging film and then placing them into the package of food to make the antistaling agent being released slowly in gas mode and being volatilized into the internal gaps, thus forming a gas phase protective layer with certain concentration around the food to be preserved, so as to effectively restrain, kill many kinds of leaf mold and bacterium as well as other spoilage organisms; besides, the invention increases the permeation pressure in the package and lowers the water activity of the food, so as to preserve the food with high efficiency.

The invention provides a composition of aromatic isothiocyanate and allyl isothiocyanate, and the weight ratio of the two is 1:9-9:1. The invention further provides an application of the composition in preparation of pesticide fumigants for controlling soil-borne pathogens and soil nematodes. The composition has the advantages that the composition of the aromatic isothiocyanate and the allyl isothiocyanate takes the allyl isothiocyanate as a main active ingredient and takes the aromatic isothiocyanate as a synergistic ingredient, and can prolong the action time of a medicament, improve the control effect, realize the significant synergy, simultaneously reduce the dosage of the medicament, reduce the environmental pollution, be more environmentally friendly and be safe to people and animals.

The invention discloses a fiber-reinforced composite coaxial cable material and a preparation method thereof. The preparation method comprises the following steps: (1) taking polystyrene, ethylene propylene diene monomer rubber, a melamine modified urea formaldehyde resin, hydroxypropyl methylcellulose, glass fibers, basalt fibers, hexametapol and allyl isothiocyanate according to parts by weight, adding the materials into a stirring tank, and stirring; (2) adding an antioxidant 1010, diamyl phthalate and propylene glycol monomethyl ether acetate into the stirring tank, and stirring while keeping the temperature constant; and (3) carrying out high-temperature extrusion on the mixed materials in the step (2) in a double screw extruder, and granulating, thereby obtaining the fiber-reinforced composite coaxial cable material. The fiber-reinforced composite coaxial cable disclosed by the invention has the characteristics of favorable properties and low cost.

The invention discloses a high-temperature-resistant mustard-flavored seasoning and a preparation method and application thereof, and belongs to the technical field of seasoning processing. Accordingto the formula, the high-temperature-resistant mustard-flavored seasoning is prepared from the following components in parts by weight: 15-20 parts of horseradish powder, 5-10 parts of mustard powder,5-10 parts of white vinegar, 2-4 parts of salt, 3-9 parts of xylitol, 50-70 parts of water, 6-8 parts of sunflower oil, 0.1-0.3 part of ginger powder, 0.4-0.8 part of xanthan gum, 0.1-0.4 part of white pepper, 4-6 parts of starch sodium octenylsuccinate, 0.2-0.5 part of nano silica sol, 5-6 parts of beta-cyclodextrin, 0.1-0.2 part of ascorbic acid and 0.2-0.4 part of glyceryl monostearate. The high-temperature-resistant mustard-flavored seasoning is prepared by taking horseradish as a raw material through the steps of freeze drying, ball-milling superfine pulverization, heating dissolving, stirring, soaking, burdening and radio frequency sterilization. The high-temperature-resistant mustard-flavored seasoning can be applied to coated high-temperature fried food or coated high-temperaturebaked food, the problem that allyl isothiocyanate substances do not resist heat and are volatile in the heating process of the mustard-flavored seasoning is solved, and the mustard flavor preservationrate of mustard sauce under the high-temperature condition exceeds 95%.

The invention discloses a root knot nematode disease control medicine for crops. Raw materials of the medicine provided by the invention comprise, by weight, 20-40 parts of allyl isothiocyanate, 1-2 parts of a biological nematicide, 1-3 parts of chlorothalonil, 0.005-0.007 part of nimbin A, 0.05-0.2 part of nimbin B, 0.3-0.5 part of nimbin C and 20-30 parts of herb residue. The medicine provided by the invention has an excellent insecticidal effect on root-knot nematode and is low-cost. A method for preparing the medicine is simple. The medicine is friendly to the environment and crops and is pollution-free.

The invention provides a preparation method of Korean pickled vegetable essence. The disclosed Korean pickled vegetable essence comprises the ingredients of Caprylic capric triglycerride,, dimethyl disulfide, dimethyl trisulfide, diallyl sulfide, dimethyl sulfide, diallyl disulfide, 3-methylthiopropanol,, star anise essential oil, cinnamon essential oil, fresh ginger essential oil, chili pepper essential oil, propanoic acid, acetic acid, ethyl caprylate, ethyl caprate, ethyl acetate, 3-methylthiopropyl aldehyde and allyl isothiocyanate. The prepared pickled vegetable essence has the characteristics of being real and natural in fragrance, rich in mouth feel and stable in flavor, the appetence degree of a consumer is increased, and the Korean pickled vegetable essence can be well applied tothe field of foods of leisure puffed foods and the like.

Methods and compositions comprising isothiocyanates or derivatives or metabolites thereof, for attenuating or preventing central nervous system tissue damage, and / or improving cognitive function, are disclosed. Treatment of head trauma, spinal cord injury, stroke, aging, neurological diseases, and other insults to the central nervous system that compromise the blood-brain barrier, cause brain swelling, central nervous system cell death, or cognitive or motor dysfunction, by administering an isothiocyanate such as sulforaphane, allyl isothiocyanate, phenylethyl isothiocyanate, or a related compound, is also disclosed.

The invention discloses high-temperature-resistant lubricating oil for engines and a preparation method of the lubricating oil. The lubricating oil is prepared from components in parts by weight as follows: recycled lubricating oil, poly-alpha-olefin, polyethylene glycol, graphite fibers, nano molybdenum powder, nano cerium oxide powder, nano calcium borate, sodium stibogluconate, bismuth potassium citrate, 1,8-naphthalene sulfonic acid lactone, allyl isothiocyanate, glycolic acid, 9-fluorenone-2-carboxylic acid, sodium phosphotungstate, zirconium naphthenate, octyl-butyldiphenylamine, silicon carbide powder, benzotriazole, methyl silicone oil and boronized polyisobutenyl succinimide. The indicative lubricating oil has a four-ball test at the temperature of 220 DEG C and under the condition of 800 rpm and has smaller wear spot diameters, and the maximum non-seizure load PB shows that the lubricating oil has a good lubricating property and abrasive resistance at the high temperature, is applicable to the engines in the high-temperature environment and has wide application prospect.

The invention discloses an immobilized enzyme conversion preparation method for allyl isothiocyanate, and belongs to the technology of preparation. The preparation method comprises the following steps: extracting myrosinase; performing magnetic bead activating; performing cross-linking immobilizing on the myrosinase; converting the immobilized myrosinase to prepare allyl isothiocyanate. The problems that degradation products are uncontrollable, the conversion rate of a target product is low, the cost is high and the like in the natural conversion process of allyl isothiocyanate are solved; the reutilization of an enzyme is realized; the application value of the enzyme is greatly improved; the requirements on environment friendliness and safety are really met; meanwhile, the production cost is low; the method is high in practicability and generalization performance.

The invention discloses application of allyl isothiocyanate in preparation of a phyllotreta striolata attractant, a composition thereof and a releaser with the composition. The invention adopts the allyl isothiocyanate to trap phyllotreta striolata adults for the first time and to forecast and kill the adults so as to achieve the effect of comprehensive management of the phyllotreta striolata. The allyl isothiocyanate is also mixed with other auxiliary materials in the invention so as to control the release rate of the allyl isothiocyanate and prolong the effective period. Under the condition with the identical dose o the allyl isothiocyanate, the invention can trap more adults, and the effective trapping period is longer. In addition, the paper carrier carrying the composition is used for wholly wrapping a polyethylene or polypropylene composite film in the invention, thereby further prolonging the release time thereof.

The invention discloses a bactericide containing a mustard seed extract. The bactericide is prepared from the following active ingredients in parts by weight: 10-50 parts of mustard seed extract, 5-20 parts of eucalyptus oil, 10-50 parts of anhydrous alcohol, 3-10 parts of carboxymethyl cellulose, 10-25 parts of emulsifier, and 2-15 parts of suspending agents, wherein the mustard seed extract is prepared by the following steps: soaking black mustard seeds and yellow mustard seed into an ethanol water solution according to certain proportion, placing the soaked mustard seed extract into the ethanol water solution and ether mixed solution, performing ultrasonic treatment and heating and distilling to obtain the mustard seed extract. The bactericide contains multiple effective constituents contained in the mustard seeds, such as allyl isosulfocyanate, and other small-molecular phenols and esters such as methyl ester and butyl ester, and the bactericide has more broad-spectrum bactericidal effect and can be effectively applied to sterilization of crops or soil.