9 results about "Litsea" patented technology

The essential oil from Litsea species can be used as a preservative in cleansing compositions for the hair, skin or scalp, in laundry detergent compositions or in hard surface cleaning compositions.

The application discloses a process and device for extracting flavonoids from Litsea chenii plant samples, and belongs to the technical field of plant active ingredient extraction. The method comprises the following steps of raw material pretreatment, ultrasonic-microwave synergistic extraction, macroporous resin adsorption purification, and refined crystallization. A self-designed ultrasonic-microwave synergistic extraction tank is used as the core device, and a microwave generator, an ultrasonic transducer, a stirring device and a heating jacket system are integrated in the tank. The application combines the ultrasonic-microwave synergistic extraction technology with macroporous resin adsorption, improves the extraction rate of flavonoids, shortens the extraction time, and has high purity of the extracted flavonoids, with a yield of 3.5-4.2% and a purity of more than 95%. The process is simple, efficient and environmentally friendly, is suitable for industrial production, and provides technical support for the development and utilization of Litsea chenii resources.

The present invention relates to the technical field of drug analysis, and specifically relates to an analytical method for Litsea lancilimba formula granules. The Litsea lancilimba formula granules are formed by decocting Litsea lancilimba decoction pieces in water while collecting volatile oil and carrying out concentration, drying, and granulation. The analytical method comprises the following items: descriptions, identification, tests, extractives, characteristic chromatographic fingerprints, and assay. The identification method uses thin-layer chromatography for identification; in the characteristic chromatographic fingerprints, by taking the peak corresponding to the reference peak of magnoflorine reference substance as an S peak, high performance liquid chromatography is used to mark four characteristic peaks; and the assay is to determine the content of magnoflorine. The analytical method established in the present invention improves the analytical requirements for medicinal materials, decoction pieces, standard decoctions and formula granules of Litsea lancilimba, which helps to establish a perfect quality control system for various products of Litsea lancilimba, and helps to ensure the quality and clinical efficacy of the Litsea lancilimba formula granules.

This invention relates to the field of traditional Chinese medicine detection technology, specifically a method for determining the content of multiple components in Litsea cubeba and a method for detecting them using UHPLC characteristic chromatograms. The determination is performed using UHPLC, with the following specific chromatographic conditions: a ZORBAX Eclipse Plus C18 column (100 mm length, 2.1 mm inner diameter, 1.8 μm particle size); acetonitrile as mobile phase A and 0.2% formic acid solution as mobile phase B; gradient elution: acetonitrile: 0–1 min: 5%–7%; 1–5 min: 7%–8%; 5–7 min: 8%–9%; 7–11 min: 9%–11%; 11–19 min: 11%–17%; 19–20 min: 17%; 20–22 min: 17%–19%; flow rate: 0.3 mL / min; injection volume: 2 μL; column temperature: 35℃; detection wavelength: 276 nm.

The essential oil from Litsea species can be used as a preservative in cleaning compositions for hair, skin or scalp, in laundry detergent compositions or in cleaning compositions for hard surfaces.

The application discloses an ecological forest cultivation method for controlling stubborn layer plants of forest understory, and steps are as follows: keeping and cultivating native dominant tree species such as Schima superba, Castanopsis carlesii, Castanopsis fargesii, Phoebe sheareri and Loropetalum chinense in an arbor layer, the density is 850-1150 trees / hm2, keeping and cultivating dominant tree species such as Neolitsea zhejiangensis, Litsea zhejiangensis, Symplocos glomerata and Phoebe sheareri in a shrub layer, the density is greater than or equal to 1800 trees / hm2, and the species composition and structure of the stubborn layer low-quality forest of forest understory are supplemented and reconstructed in a forest gap; through the measures of Li Bai removal, sanitary cutting, target tree cultivation and stand management, the low-quality forest is converted into a stable, high-quality and relatively complete structure mixed forest of different ages. The application utilizes the chemical mutual-sensing characteristics of native tree species, selects tree species which are not directly affected by secondary metabolites of Li Bai, reconstructs the species composition and structure of the community, rejuvenates dominant species, increases ground surface light and ventilation, improves the light resources of arbor seedlings in the forest understory, reduces the density and coverage of Li Bai, relieves the underground competition, and promotes the growth of forest trees and the stability of the community.

The essential oil and / or extracts from Litsea species can be used as an antidandruff agent in cleansing compositions for the hair or scalp.

The application discloses a deodorizing agent special for artificial breeding of Hippocampus and application thereof. The active ingredient of the deodorizing agent is obtained by extraction of the following raw materials in parts by weight: 35-45 parts of wood milk fruit pulp, 18-22 parts of pepper leaves, 12-18 parts of Litsea, and 8-12 parts of liquorice extract; wherein the weight ratio of Litsea to liquorice extract is (1.5-2.2):1. The deodorizing agent is applied to the deodorization and insect prevention of Hippocampus, and the process comprises the following steps: pretreatment of Hippocampus by low-temperature plasma, then ultrasonic-assisted immersion in the deodorizing agent, and finally radio frequency vacuum drying to obtain the final product. Through the synergy of specific plant proportioning and physical processing technology, the application synchronously realizes efficient deodorization and long-acting physical insect prevention of Hippocampus, and has no chemical residues, can effectively retain active ingredients of Hippocampus, and is suitable for green processing of high-quality Hippocampus products.

The present application belongs to the technical field of health food, and particularly relates to a composition containing Litsea chenii extract and a preparation method and application thereof. The composition disclosed by the present application takes Litsea chenii extract, American ginseng extract, mulberry leaf extract, radix astragali extract and chromium-rich yeast as main raw materials, optimizes the proportion and dosage of the composition through animal experiments, and proves through animal experiments combined with human body feeding experiments that the composition is safe and effective for maintaining a healthy blood sugar level and long-term use, and proves from the network pharmacology and molecular docking levels that the composition does not act through a single target, but embodies the synergistic action characteristics of traditional Chinese medicine'multi-component-multi-target-multi-pathway'.