82 results about "Campesterol" patented technology

This invention publishes a phytosterol extract from bamboo shoots, its preparation method and application. The phytosterol extract from bamboo shoots mentioned in this invention contains 5~50% sterols, 10~40% of which is beta-sitosterol. The ratio between beta-sitosterol, stigmasterol and campesterol is 10~40:1~3:2~5. The phytosterol extract from bamboo shoots mentioned in this invention performs significant anti-inflammatory and leukemia histiocytosis inhibitory activities and is thus applicable in cosmetics, foods, health products and medicines.

The invention relates to a tetramethylpyrazine phosphate liposome drug and a preparation method; wherein, the drug is characterized in that: the effective efficacy components and weight accounts of the liposome drug are as following: a mixture 200 to330 with a weight ratio 4 to 1 of egg yolk lecithin and sheep cerebral lecithin, a mixture 170 to 280 with a weight ratio 3 to 1of stigmasterol and campestrol, reduction glutathione 2.5 to 10, tetramethylpyrazine phosphate 15 to 25, a mixture 720 to 1200 with a weight ratio 1 : 0.01 to 0.05 : 0.02 to 0.07 of tert-butyl alcohol, ethanol, acetone, a mixture 140 to 160 with a weight ratio 4:05 to 1 of polyethylene glycol-2000 and tween 801, and hydroxyl propyl methyl cellulose 100 to 120. The invention also provides the preparation method for the liposome drugs. The invention has the advantages of adopting the provided drugs, enabling to decrease the drug dosage by two third and once a day, and improving the efficacy above fifteen percent.

The invention relates to the technical field of genetic engineering, in particular to a recombinant strain as well as a construction method and application in producing campesterol thereof. The invention constructs a recombinant strain expressing a DHCR7 gene and an ERG5 gene with inactivation. The strain also over-expresses an acetyl-CoA metabolism-related gene, the recombinant yarrowia lipolytica chassis strain increases the yield of the campesterol by regulating the metabolic flow of the acetyl-CoA synthesis and fatty acid synthesis in the cytoplasm, and the experiments show that the yield of campesterol of the recombinant strain can reach 941.5mg / L after process optimization.

A fat-reduced soybean protein material containing a protein and a carbohydrate at a total content of 80 wt % or more in terms of dried form content, containing a fat (as an extract from a chloroform / methanol mixed solvent) at a content of less than 10 wt % relative to the content of the protein, and containing campesterol and stigmasterol (as plant-derived sterols) at a total content of 200 mg or more relative to 100 g of a fat; and a soybean emulsion composition containing a protein at a content of 25 wt % or more in terms of dried form content, containing a fat at a content of 100 wt % or more in terms of dried form content relative to the content of the protein in terms of dried form content, and having an LCI value of 60% or more.

The invention discloses a method for determining palm oil mixed in special-grade virgin olive oil. The method comprises the following steps that firstly, the content of delta-tocotrienol in a special-grade virgin olive oil sample is measured; secondly, the mass fraction of campesterol in the total content of sterol in the special-grade virgin olive oil sample is measured; thirdly, when the content, obtained in the first step, of delta-tocotrienol is larger than or equal to 2 mg / kg, and the mass fraction, obtained in the second step, of campesterol in the total content of sterol is smaller than or equal to 0.5%, it is determined that palm oil is mixed in the special-grade virgin olive oil. The method for determining palm oil mixed in the special-grade virgin olive oil is easy to implement, good in accuracy, reliable in determining result, and high in detection efficiency, and most importantly fills up the national detection blank of palm oil mixed in olive oil, and a powerful guarantee for maintaining the benefits of mass consumers in China is provided.

The invention relates to the technical field of agricultural insecticide, in particular to gardening herbicide. The herbicide is prepared from, by mass, 10-15 parts of sodium chlorate, 5-8 parts of borax, 0.8-6.4 parts of trichloroacetic acid, 6-8 parts of mefenacet, 6.4-8.8 parts of bentazone, 1.8-5.4 parts of atrazine, 1.8-4.8 parts of acetochlor, 0.8-2.4 parts of sorbitan mono-oleic acid ester, 1.2-3.2 parts of thiameturonmethyl, 5-10 parts of garlic extract, 4-8 parts of wild Chinese prickly ash extract, 3.6-6 parts of chinaberry seeds, 5.6-8.4 parts of cottonseed oil and 1.8-4.8 parts of campesterol. The prevention effect of the gardening herbicide is higher than the off-season prevention effect, the weeding spectrum is wide, grassy weeds and broad leaf weeds can be effectively prevented and eliminated at the same time, the use amount of pesticide is reduced, effective time is shortened, and the future trouble that when herbicide commonly used by people is used for weeding, some nursery stocks are withered is avoided.

The invention discloses a potassium dehydroandrographolide succinate liposome combined drug and preparing method, which comprises the following parts: 1100-3500g phosphatidyl ethanolamine, dikitool bursine, egg lecithin at 1:1:2-6, 1000-3200g campesterol and cholesterol at 1:1-4; 30-50g vitamin E, 50-80g carbowax 2000 and carbowax 6000 at random proportion, 100-160g glycine and clockwise sugar 40 at 1: 1-3, 300-1000g potassium dehydroandrographolide succinate liposome.

A process for isolating at least one target compound, such as manool, geranyl linalool, ethyl guaiacol, eugenol, veratraldehyde, squalene, terpin, cholesterol, beta-sitosterol, campesterol, stigmasterol, stigmastenol and dehydroabietic acid, from biomass, the process including steps of: obtaining a condensate from a recovery evaporator, a reverse osmosis retentate of a condensate of a pulp and paper mill, or both, the condensate, retentate or both being substantially free of higher molecular weight (approximately >1000 Da) cellulose and / or lignin and / or lignin-derived material; optionally pH adjusting and filtering the condensate to collect insoluble material; extracting the condensate, the collected insoluble material, or both, with solid phase extraction (SPE), liquid-liquid extraction or solid-liquid extraction to produce an extract containing the at least one target compound; and optionally purifying the extract containing the at least one target compound by thermal fractionation, chromatographic separation, recrystallization ion exchange, chelation, adsorption / desorption, lyophilization and sublimation or combinations thereof. The method is particularly useful for isolating the target compounds from wastewaters produced in a kraft pulp and paper mill, especially from recovery evaporator condensates produced during the treatment of black liquor.

The invention discloses the application of a sterol compound and a total sterol extract in preparing antidepressant drugs. The sterol compounds in the present invention mainly include sitosterol, stigmasterol, campesterol, brassicasterol, sterol glycosides, sterol esters and acylated sterol glycosides extracted from plants or traditional Chinese medicines. Animal experiments have shown that the above substances have antidepressant effects on mice.

The invention discloses a method for simultaneously determining stigmasterol, campesterol, beta-sitosterol and squalene in vegetable oil. The method comprises the following steps of: 1) saponifying the vegetable oil, and extracting an unsaponifiable matter in a saponification solution by using an organic solvent; and 2) dissolving the unsaponifiable matter in the organic solvent, and determining by using high-performance liquid chromatography, wherein the high-performance liquid chromatography has the chromatographic conditions that a chromatographic column is a C18 column, a mobile phase is a solvent of which the volume ratio of acetonitrile to water is (90:10) to (100:0), an ultraviolet detection wavelength is 205 to 210 nm, a sample size is 10 to 20 mu L, flow speed is 1.0 to 1.5 mL / min and column temperature is 25 to 30 DEG C. By adoption of the method, effective separation of the campesterol, the stigmasterol, the beta-sitosterol and the squalene in the vegetable oil can be simultaneously realized, consumed time for separation is about 40 min, and components in a chromatogram are eluted in a sequence of the campesterol, the stigmasterol, the beta-sitosterol and the squalene.

The present invention addresses the problem of providing a soybean-derived raw material-containing food or beverage that improves problems with flavor and physical properties, such as the grassy smell caused by soybean raw materials, and markedly improves product quality, in a soybean-derived raw material-containing food or beverage using a conventional soybean raw material such soymilk or tofu. Provided are a milk-substitute composition, an egg yolk-substitute composition, and a composition for improving renal function, etc., characterized by including a reduced-fat soybean protein material having a total protein and carbohydrate content relative to dry material of at least 80 wt %, a fat content (as a chloroform / methanol mixed solvent extract) relative to the protein content of less than 10 wt %, and a total campesterol and stigmasterol (as plant-derived sterols) content of at least 200 mg relative to 100 g of fat. Also provided are a variety of soybean-derived raw material-containing food and beverages using these compositions.

The invention discloses a method for purifying campesterol from mixed plant sterol. According to the method disclosed by the invention, different plant sterol components have different solubilities and different degrees of crystallinity in a specific organic solvent, acetone is taken as an organic solvent to perform recrystallization on a plant sterol mixture for multiple times, the contents of all plant sterol monomers are respectively detected by chromatography, the purity of the campesterol in all-level crystals can be determined, and the campesterol with higher purity can be finally extracted. The invention provides the method for purifying the sterol monomers from the mixed plant sterol by only using one organic solvent under large-scale production conditions. The method disclosed by the invention has important theoretical and practical significance in the aspect of extraction of natural and pure products including the plant sterol, can play an important role in fine chemistry industry and analytical chemistry of plants, and has broad application prospects.