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141 results about "Menthone" patented technology

Menthone is a monoterpene with a minty flavor that occurs naturally in a number of essential oils. l-Menthone (or (2S,5R)-trans-2-isopropyl-5-methylcyclohexanone), shown at right, is the most abundant in nature of the four possible stereoisomers. It is structurally related to menthol, which has a secondary alcohol in place of the carbonyl. Menthone is used in flavoring, perfume and cosmetics for its characteristic aromatic and minty odor.

Method for trapping, preventing and controlling adults of ectropis obliqua

InactiveCN101816297AIn line with the principle of green prevention and controlMeet construction requirementsInsect catchers and killersMenthoneTrapping
The invention provides a method for trapping, preventing and controlling adults of ectropis obliqua by combining mint pheromone and colors. The method comprises the following steps of: authenticating 18 main components in mint odor qualitatively and quantitatively; performing biological test by using a wind tunnel instrument to screen out 3 components of menthol, menthone and linalool with highest trap effect to prepare an taste source substance at the concentration of between 10<-6> and 10<-1>g/ml; preparing the taste source substance into a trapping agent in a ratio of 1:0.1-15:0.1-15 and carrying the trapping agent on a trapping core; in the main eclosion period of the adults of the ectropis obliqua, screening khaki with highest trap effect out from 10 colors; and combining the trapping core with a khaki adhering plate to form a trapper to trap the adults of the ectropis obliqua in the main eclosion period of the adults of the ectropis obliqua so as to reduce the amount of eggs of the next generation and reduce chemical prevention and control. The method has the advantages of no pollution, accordance with a green preventing and controlling principle for insects and the requirement of construction of a standard ecological tea garden, convenient operation and low cost.
Owner:CHINA JILIANG UNIV

Sustained-release polycarboxylate superplasticizer and preparation method and application thereof

The invention discloses sustained-release polycarboxylate superplasticizer and a preparation method and application thereof.The sustained-release polycarboxylate superplasticizer is prepared from, by weight, 50-58 parts of polymethylacrylic acid, 22-30 parts of castor beans, 5-12 parts of menthone, 8-15 parts of chitosan, 1-5 parts of potassium ferrate and 33-40 parts of formic acid.The castor beans are dried, smashed and sieved, cyclohexane is added into the sieved castor bean powder, sealing heating is conducted, and supernatant liquid is extracted after filtering; the supernatant liquid and chitosan are mixed, sealing heating is conducted, and a mixture A is obtained; polymethylacrylic acid and formic acid are mixed, deionized water is added, heating and stirring are conducted, menthone is added, heating and stirring are conducted, and a mixture B is obtained; the mixture A and the mixture B are mixed, and after heating and stirring are conducted, potassium ferrate is added, heating is conducted, and the sustained-release polycarboxylate superplasticizer is prepared.The sustained-release polycarboxylate superplasticizer has sustained-release performance, the water reducing efficiency is higher, good water reducing performance and slump retaining performance are shown, the sustained-release polycarboxylate superplasticizer also has the defoaming function, sources of the raw materials are wide, the production technology is simple, cost is low, no environment pollution is caused, and the sustained-release polycarboxylate superplasticizer is suitable for industrial production.
Owner:SHANDONG JINGJIN NEW ENERGY CO LTD

Extract for treating pharyngolaryngitis and preparation method thereof

The invention discloses an extract for treating pharyngolaryngitis. Medicinal materials such as 1 part of fine-leaf schizonepeta herb, 4 parts of platycodon root and 2 parts of raw liquorice are prepared by weight. The extract is prepared by the following steps of: 1) drying the medicinal materials, wherein the drying temperature is 40 to 60 DEG C, and the drying time is 3 to 4 hours; 2) crushing the medicinal materials into coarse powder; 3) filling the medicinal materials into a supercritical extraction tank, adding ethanol or methanol serving as an entrainer, and performing extraction for 3 to 4 hours under the conditions that the pressure is 5 to 10MPa, the temperature is 40 to 60 DEG C and the flow is 15 to 20L/h in the primary reduced pressure separation, and the pressure is 5 to 10MPa and the temperature is 35 to 50 DEG C in the secondary reduced pressure separation; and 4) dehydrating and drying the extract. By the supercritical preparation process, flavone, saponin and terpene components can be effectively enriched. The extract is characterized by comprising the following components in percentage by weight: more than or equal to 2.8 percent of glycyrrhizinic acid, more than or equal to 0.7 percent of liquiritin, more than or equal to 0.3 percent of platycodon D and 0.04 percent of menthone. The extract has anti-inflammatory and analgesic effects, and has more remarkable curative effect; and the preparation process is simple, the extraction rate is high, and the cost is low.
Owner:SHENZHEN NEPTUNUS PHARM CO LTD
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