37 results about "Xanthoxylin" patented technology

The suberosin pesticide consists of suberosin 13-70 (in weight portions, the same below), artemisinin 0-6, lindestrol 0-17, synergist 0.1-3, stabilizer 3-11, surfactant 11-16, preservative 0.4-7, organic solvent 13-60 and pH regulator 0.08-0.3. Suberosin is prepared with pricklyash fruit and / or leaf and through crushing, soaking, and organic solvent extraction or other extraction. The pesticide is emulsion prepared through mixing the materials in a mixing reactor while heating and stirring, and may be also prepared into other forms through available plant originated pesticide preparation process. The pesticide has obvious preventing and killing effect on several kinds of pests in wheat, rice, fruit, vegetable, flower and forest.

The invention provides a method for preparing xanthoxylin. The method comprises the following steps of: performing acylation and esterification reactions on phloroglucinol and an acylation reagent in the presence of lewis acid; rearranging phenolic ester to obtain 2,4,6-trihydroxy acetophenone; and performing methylation reaction on the 2,4,6-trihydroxy acetophenone and a methylation reagent under an alkaline condition to prepare the xanthoxylin. The method has a simple process, high yield and rich raw material resources, and is low in cost; a product is easy and convenient to separate and purify; the reagents are environmentally-friendly; and the environmentally-friendly industrial production of the xanthoxylin can be realized.

The invention discloses a biogenic pesticide containing xanthoxylin and abamectin and a preparation method thereof. The biogenic pesticide is used for killing insects; and the biogenic pesticide containing the xanthoxylin and the abamectin is formed from the following components in parts by weight: 0.01-12.9 parts of the xanthoxylin, 0.1-10 parts of the abamectin, 0.5-5 parts of a synergist, 0.1-5 parts of a sterilizing agent, 1-20 parts of an emulsifying agent, 1-30 parts of plant oil, 1-8 parts of an anti-freezing agent, 0.1-2 parts of a thickening agent and 20-70 parts of water. According to the biogenic pesticide disclosed by the invention, any chemical solvent does not need to be added into effective components of the biogenic pesticide; the water-based preparation can be widely applied to prevention and treatment of insect pests of places with relatively concentrated people, such as parks, green lands, streets, and family gardens; and the biogenic pesticide is also applicable to the prevention and the treatment of fowl and livestock fur injurious insects. A production process of the xanthoxylin does not use an organic solvent; and extracted pepper fruit waste dregs are composted and fermented and are returned back to fields to be used as a base fertilizer to be applied. In the whole product production process, the energy consumption is low, and equipment investment is small and the occupying area is small; and sources of raw and auxiliary materials are wide and are easy to obtain.

The invention relates to a process for extracting xanthoxylin and sanshoamides through supercritical carbon dioxide. Firstly, the pricklyash peels are crushed and squashed into pieces, the squashed pricklyash peels are loaded in a supercritical extraction reactor for extraction, the extraction solvent is food-grade carbon dioxide, the extraction liquid sequentially enters a separation reactor I and a separation reactor II for separation, the pressure of the separation reactor I is 6-7 MPa, the temperature thereof is 25-32 DEG C and the time is 20-40 min; the pressure of the separation reactorII is 5-6 Mpa, the temperature thereof is 22-26 DEG C and the time is 30-50 min; the products of the separation reactor I and the separation reactor II are respectively collected, the product of the separation reactor I is dehydrated and refined to prepare the sanshoamides, and the product of the separation reactor II is xanthoxylin; the sanshoamides, xanthoxylin and food oil are blended according to weight ratio of 1:1:30-100 to obtain supercritical pepper oil which can be used as flavoring oil for high-grade dinning industry.

The invention discloses insecticide for garden flower cultivation and a preparation method of the insecticide. The insecticide is prepared from the following raw materials in parts by weight: 16 to 25 parts of ginger, 8 to 14 parts of xanthoxylin, 6 to 11 parts of fructus toosendan, 7 to 11 parts of eucalyptus leaf camphorated oil, 3 to 5 parts of white carbon black, 4 to 7 parts of eucalyptus leaf, 2 to 6 parts of tobacco ash, 15 to 21 parts of ageratina adenophora, 7 to 12 parts of toxic ketone extract and 6 to 12 parts of hedera helix. According to the insecticide disclosed by the invention, the raw materials including the gingers, the xanthoxylin, the fructus toosendan, the eucalyptus leaf camphorated oil, the white carbon black, the eucalyptus leaves, the tobacco ash, the ageratina adenophora, the toxic ketone extract and the like are effectively proportioned to prepare the insecticide; the insecticide has high effectiveness, pertinence, environment friendliness, no secondary toxicity, no residues, no pollution, capability of keeping ecological balance and no pollution; a formula is reasonable and a preparation process is simple; the natural raw materials are adopted for preparation, so that the insecticide has no toxicity, is directly applied to flowers and has no influences on the flowers; the insecticide has a lasting pesticide effect and a good insecticidal effect, can generate the effect rapidly, and is convenient to popularize and use.

The invention discloses a non-toxic pesticide and a preparation process thereof. The non-toxic pesticide is prepared from the following components: 8 to 20 parts of eucalyptus citriodora, 8 to 15 parts of pomegranate peel, 10 to 20 parts of xanthoxylin, 10 to 20 parts of zinc oxide, 5 to 10 parts of common andrographis herb, 12 to 25 parts of matrine, 10 to 20 parts of chitin, 8 to 20 parts of rangooncreeper fruit, 7 to 18 parts of ormosia seed, 5 to 15 parts of alkaloids from tripterygium wilfordii, 10 to 20 parts of acetyl tributyl citrate, 3 to 10 parts of emulsifier and 1 to 3 parts of nano silver ion powder. The preparation method has the advantages of simple process, and environmental protection and no pollution during the whole production process, and the obtained pesticide has high sterilization and deinsectization effects, can improve yield of crops, has no pollution to the environment and no residue, and has good economic value and social value.

The invention provides a processing technology for zanthoxylum oil. The processing technology comprises raw material preparation, zanthoxylum oil extraction and finished product packaging. The raw material preparation step comprises a substep of insolating fresh pepper; the zanthoxylum oil extraction step comprises substeps of heating plant oil, cooling the plant oil, immersing the pepper into the plant oil, rapidly cooling the plant oil and performing centrifugal filtration. The zanthoxylum oil prepared by the steps is gold-yellow and smells good, and due to the improvement of the technology, peculiar smell in the finished oil product is eliminated; furthermore, volatilization or loss of volatile substances or vulnerable substances such as volatile oil and xanthoxylin in the pepper can be avoided to the maximum extent. The technical process is simple in structure and suitable for large-scale production.

The invention discloses a biogenic pesticide containing xanthoxylin and abamectin and a preparation method thereof. The biogenic pesticide is used for killing insects; and the biogenic pesticide containing the xanthoxylin and the abamectin is formed from the following components in parts by weight: 0.01-12.9 parts of the xanthoxylin, 0.1-10 parts of the abamectin, 0.5-5 parts of a synergist, 0.1-5 parts of a sterilizing agent, 1-20 parts of an emulsifying agent, 1-30 parts of plant oil, 1-8 parts of an anti-freezing agent, 0.1-2 parts of a thickening agent and 20-70 parts of water. According to the biogenic pesticide disclosed by the invention, any chemical solvent does not need to be added into effective components of the biogenic pesticide; the water-based preparation can be widely applied to prevention and treatment of insect pests of places with relatively concentrated people, such as parks, green lands, streets, and family gardens; and the biogenic pesticide is also applicable to the prevention and the treatment of fowl and livestock fur injurious insects. A production process of the xanthoxylin does not use an organic solvent; and extracted pepper fruit waste dregs are composted and fermented and are returned back to fields to be used as a base fertilizer to be applied. In the whole product production process, the energy consumption is low, and equipment investment is small and the occupying area is small; and sources of raw and auxiliary materials are wide and are easy to obtain.

The invention relates to a pickled lotus root. The pickled lotus root is prepared through eight steps of cutting the lotus roots of which the heads and the tails are removed into sections, dehydrating the cut lotus roots without heads and tails, air-drying the dehydrated lotus roots, preparing a preserved liquid, pickling the air-dried lotus roots in the preserved liquid, performing pickling management, compounding a soup blend and performing packing and warehousing. The pickled lotus root has the benefits that firstly, the step that the lotus roots are cut into sections and the sections are put in a Chinese prickly ash saline solution can maintain natural color which is white and transparent; the steps of dehydrating and air-drying the lotus roots can enable the lotus roots to well absorb the preserved liquid, so that the pickling effect is improved; table salt, white sugar, rod chilli and Chinese prickly ash are added in the preserved liquid, so that pickled products can have various tastes such as salty taste, sweet taste, sour taste, hot taste and acrid taste; before being pickled, the lotus roots are rinsed in the Chinese prickly ash solution, so that the dried lotus roots can quickly absorb the Chinese prickly ash solution in the lotus roots; then, pickling is performed, so that much xanthoxylin contained in the inner layers of the lotus roots is stable, not only can the taste be improved, but also the effect of improving quality can be achieved. The processed lotus roots are plump in shape, are thin and crisp, do not have fibers, are rich in delicate fragrance, are glittering and translucent, are tenderness and spicy, and are loved by all consumers.

The invention discloses an application of xanthoxylin as a rice planthopper repellent. The field use concentration of the xanthoxylin in prevention and treatment of rice planthoppers is 10-1000 ppm ofeffective components. Under a use concentration of 1000 ppm, the xanthoxylin can reach repelling rates of 81.21%, 77.50% and 65.23% to three kinds of female adult rice planthoppers, i.e., brown planthoppers, sogatella furcifera and laodelphax striatellus respectively after the xanthoxylin is sprayed for 24 hours; and the xanthoxylin has a strong repelling effect. The rice planthopper repellent compound, namely the xanthoxylin provided by the invention is an extraction component of natural plants; and a rice planthopper repellent prepared from the xanthoxylin has the advantages of good prevention and treatment effects, simple preparation, greenness, safety, effectiveness, environmental friendliness and the like.

The invention discloses a method for one-pot synthesis of xanthoxylin WGX-50 and derivatives thereof, which is characterized in that the high-yield and high-purity xanthoxylin WGX-50 and derivatives thereof are synthesized by one-pot synthesis of aromatic aldehyde, acetic anhydride and aromatic amine in a stable catalytic system by controlling the adding time and adding modes of different substances.

The invention discloses a method for simultaneous determination of xanthoxylin and capsaicin in food, comprising the following steps: 1), preparation of mixed standard working solution, 2), instrument configuration, 3), drawing standard curve, 4), sample preparation , 5), sample solution preparation, 6), constant volume, 7), chromatographic analysis, 8), result analysis. The invention provides a method for simultaneous determination of xanthoxylin and capsaicin in food, which has the characteristics of simplicity, quickness, good accuracy and high sensitivity, effectively solves the problem of numbness and spiciness monitoring of terminal products such as spicy gluten food, etc. practical application value.

The suberosin pesticide consists of suberosin 13-70 (in weight portions, the same below), artemisinin 0-6, lindestrol 0-17, synergist 0.1-3, stabilizer 3-11, surfactant 11-16, preservative 0.4-7, organic solvent 13-60 and pH regulator 0.08-0.3. Suberosin is prepared with pricklyash fruit and / or leaf and through crushing, soaking, and organic solvent extraction or other extraction. The pesticide is emulsion prepared through mixing the materials in a mixing reactor while heating and stirring, and may be also prepared into other forms through available plant originated pesticide preparation process. The pesticide has obvious preventing and killing effect on several kinds of pests in wheat, rice, fruit, vegetable, flower and forest.