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60 results about "Geniposidic acid" patented technology

Geniposidic acid is a natural chemical compound, classified as an iridoid glucoside, found in a variety of plants including Eucommia ulmoides and Gardenia jasminoides.

Method for extracting iridoid active site and monomer from eucommia bark

The invention discloses a method for extracting active sites of iridoid, and extracting monomer geniposidic acid (GPA), geniposide(GP) and aucubin(AU) from eucommia, wherein raw materials are extracted by taking the eucommia(husk, leaf or seed) as materials and utilizing the conventional leaching method, the ultrasonic extraction method or the microwave extraction method, and an extracting solution is preliminarily purified by methods such as the solvent extraction and the adsorption separation of special adsorbents, etc., and thus the active sites of the iridoid(the total content of the iridoid is no less than 50 percent) is obtained, and GPA, GP and AU undergo the separation, low temperature condensation, refrigeration and drying by using the preparation high pass filter technique and taking an alcohol-water solution as the mobile phase to obtain monomers of GPA, GP and AU, contents of which are all no less than 90 percent. The preparation method disclosed by the invention utilizes novel process of the extraction and separation, and can simultaneously prepare a plurality of monomer products of the eucommia, and provides scientific foundations for the comprehensive development and utilization of the eucommia; moreover, the whole process does not use solvents harmful to human bodies, thereby realizing the green preparation.
Owner:JISHOU UNIVERSITY

Quality control method of traditional Chinese medicine compound preparation for treating osteoporosis

The invention discloses a quality control method of a traditional Chinese medicine compound preparation for treating osteoporosis. The quality control method comprises the following steps: (1) by taking eucommia ulmoides as a contrast medicinal material and taking pinoresinol diglucoside and geniposidic acid as comparison products, carrying out qualitative identification on eucommia ulmoides in the traditional Chinese medicine compound preparation by adopting a thin-layer chromatography; (2) by taking radix achyranthis bidentatae as a contrast medicinal material and taking beta-ecdysterone as a comparison product, carrying out qualitative identification on radix achyranthis bidentatae in the traditional Chinese medicine compound preparation by adopting the thin-layer chromatography; (3) by taking wolfberry fruits as contrast medicinal materials, carrying out qualitative identification on the wolfberry fruits in the traditional Chinese medicine compound preparation by adopting the thin-layer chromatography; and (4) determining the content of three active components (or index components) including epimedium glucoside, gentiopicroside and loganin acid in the traditional Chinese medicine compound preparation by adopting a high performance liquid chromatography. According to the quality control method, the quality of the traditional Chinese medicine compound preparation can be controlled very well, and the stability of a product production process is monitored; and the quality of the traditional Chinese medicine compound preparation is stable, uniform and controllable.
Owner:GUANGZHOU BAIYUNSHAN JINGXIUTANG PHARM CO LTD

Eucommia ulmoides fine powder and preparation method thereof

The invention discloses eucommia ulmoides fine powder and a preparation method thereof. The eucommia ulmoides fine powder comprises the following components: larger than or equal to 15 percent of total sugar, larger than or equal to 5 percent of chlorogenic acid, larger than or equal to 15 percent of total flavone, larger than or equal to 1.8 percent of geniposidic acid, larger than or equal to 0.8 percent of aucubin, less than or equal to 6.0 percent of water and trace elements such as B, Ca, Cu, Mg, Mn, P, Se, Zn, Na, K and Fe. According to the preparation method, the eucommia ulmoides fine powder is efficiently extracted from eucommia ulmoides leaves and eucommia ulmoides bark and a membrane technology is introduced for separation, concentration, decoloration and the like, so that the labor and time are reduced, the product quality and yield can also be improved, the temperature of the extraction process is low, and the damage of high temperature heating on effective components is avoided. In addition, the phenomenon that the eucommia ulmoides fine powder is insoluble in water the second time is avoided. The eucommia ulmoides fine powder belongs to a natural health food preparation, is safe and non-toxic, and is suitable for the industries such as medicine, health care products and food antioxidants. Eucommia ulmoides gum can be continuously extracted out from extractive residue after extraction of the eucommia ulmoides fine powder, and the economic benefit of high-value using of eucommia ulmoides is effectively improved.
Owner:NORTHWEST A & F UNIV

Dry eucommea noodles and application of needles to prevention and treatment of high blood pressure

The invention aims to disclose a processing method of dry noodles, in which eucommea leaves are capable of being effectively utilized and reducing eucommea rubber, and the dry noodles are low in cost and rich in active substances such as geniposidic acid, and aucubin and nutrient substances such as amino acid, and glucose; the dry noodles can be widely applied to the diet for preventing and treating the high blood pressure. The eucommea leaves are extracted by using an ethanol solution and acid water to obtain an eucommea ethanol extract and an eucommea water extract, then, dry flour is dissolved by using water to form a flour emulsion, and finally, the dry eucommea noodles are obtained through the steps of embedding, vacuum degassing, curing, tabletting and the like. The dry eucommea noodles produced by the invention contain part of chlorogenic acid which is beneficial to the antivirus and diuresis of human bodies and is also beneficial to the storage of the dry noodles; the ultrasonic treatment is adopted so as to be beneficial to the rapid permeability of effective ingredients in the eucommea leaves into a reticular structure of starch and relatively beneficial to the reservation of the effective ingredients; an eucommea leaf extract is added into the flour, so that the influence of the eucommea rubber in eucommea barks to the dry noodles can be completely eliminated.
Owner:JISHOU UNIVERSITY

Method for preparing eucommia ulmoides extract by using natural eutectic solvent

The invention discloses a method for preparing eucommia ulmoides extract by using a natural eutectic solvent. The method comprises the following steps that: eucommia ulmoides powder is added into the natural eutectic solvent according to a material-liquid ratio of (1: 1)-(1: 100g/mL), and ultrasonic-assisted extraction is performed for 10-90 minutes at 20-80 DEG C and 50-500W, wherein the natural eutectic solvent is composed of a hydrogen bond donor, a hydrogen bond acceptor and distilled water according to the mass ratio of 1: (1-30): (1-50), wherein the hydrogen bond donor comprises L-lactic acid, sorbitol, urea, DL-malic acid, D-fructose, glucose and citric acid, and the hydrogen bond acceptor comprises choline chloride, betaine and citric acid; centrifugation is performed, supernatant is taken, and the supernatant is further concentrated and dried, so that the eucommia ulmoides extract is obtained. The method is safe, economical and recoverable; various active ingredients such as aucubin, geniposidic acid, chlorogenic acid and rutin in eucommia ulmoides can be extracted; and compared with that of a water extract, the content of the active ingredients in the natural eutectic solvent extract is remarkably increased, the extraction efficiency is high, and the components of the natural eutectic solvent can also be used as functional components in functional food and cosmetics; and the step of removing an extraction solvent in a traditional process is omitted. The method is more economical and efficient.
Owner:INST OF ANALYSIS GUANGDONG ACAD OF SCI (CHINA NAT ANALYTICAL

Method for simultaneously measuring content of multiple active ingredients in eucommia ulmoides

The invention discloses a method for simultaneously measuring the content of multiple active ingredients in eucommia ulmoides. The method adopts high performance liquid chromatography for analysis; the chromatographic condition is taking octadecylsilane bonded silica as a filler; the mobile-phase gradient elution process is: the mobile phase A is methanol, and the mobile phase B is an aqueous solution of phosphoric acid with mass concentration of 0.1%; the content of the mobile phase B is increased from 30% to 70% by mass according to the first-order linear gradient in 0.01-30.00min, reduced to 30% in 30.00-30.01min and kept at 30% in 30.01-40.00min; the flow rate is 0.8ml/min; the column temperature is 30 DEG C; the sample injection volume is 5mul; the detection wavelength detection process is: the 254nm wavelength is selected in 0.01-7.00min, the 277nm wavelength is selected in 7.00-12.50min, and the 254nm wavelength is selected in 12.50-40.00min; and multiple active ingredients include geniposidic acid, chlorogenic acid, pinoresinol diglucoside and rutin. According to the invention, the method is verified by linear relation survey, stability test, precision test, reproducibility test and sample injection recycling test, and the analysis method is proved to be accurate and reliable.
Owner:CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY

Water transfer printing tattoo sticker as well as preparation method and use method thereof

The invention relates to the field of tattoo stickers, in particular to a water transfer printing tattoo sticker as well as a preparation method and a use method thereof. The water transfer printing tattoo sticker is sequentially provided with four layers of structures, wherein the first layer is water transfer printing paper, the second layer is SD glue, the third layer is an adhesive mixture containing genipin or geniposidic acid, and the fourth layer is a protective film. The water transfer printing tattoo sticker has the advantages that firstly, use is convenient as the tattoo sticker needs to be attached to a certain portion of the surface of a body only, bottom paper is taken out after 1 minute, and color can be developed after 2-10h; secondly, the water transfer printing tattoo sticker is nontoxic and harmless, since the genipin and the geniposidic acid, as natural compounds, are adopted as chromogenic substances, and a large number of experiments show the safety of the genipinand the geniposidic acid; thirdly, the water transfer printing tattoo sticker is painless and non-invasive; and fourthly, the color of a pattern is long in retention time, the pattern is relatively intuitive, does not fade with being kept for 30 days in winter and does not fade with being kept for 10 days or above in summer, and the water transfer printing tattoo sticker is more washable relativeto a common tattoo sticker.
Owner:广东江美印刷有限公司

Method of rapidly identifying three active ingredients of Eucommia ulmoides Oliv leaves and barks by using thin-layer chromatography

The invention discloses a method of rapidly identifying three active ingredients of Eucommia ulmoides Oliv leaves and barks by using thin-layer chromatography. The method comprises the following stepsof: 1) respectively preparing aucubin, geniposidic acid and chlorogenic acid reference substance solutions, 2) respectively preparing to-be-detected sample solutions of Eucommia ulmoides Oliv leavesand barks, and 3) respectively sucking proper amounts of the reference substance solutions and the to-be-detected sample solutions by using a quantitative capillary tube, applying the solutions on a GF 254 silica gel plate, taking butyl acetate: methanol: formic acid as a mixed solvent as a developing solvent, observing through a 254 nm ultraviolet lamp, carrying out thin-layer chromatography identification by taking a 5.0% sulfuric acid-ethanol solution as a color developing agent, and observing the positions and the colors of spots appearing in the thin-layer chromatography silica gel plateof the sample solution. Results show that three active ingredients of Eucommia ulmoides Oliv leaves and barks in an obtained chromatogram show different spots. The identification method is high in specificity and convenient to operate, and can be used for rapidly and accurately identifying aucubin, geniposidic acid and chlorogenic acid in Eucommia ulmoides Oliv leaves and barks at the same time.
Owner:INST OF ANALYSIS GUANGDONG ACAD OF SCI (CHINA NAT ANALYTICAL

Preparation method of cortex eucommiae and radix puerariae solid beverage

The invention belongs to the technical field of production of solid beverages, and particularly relates to a preparation method of a cortex eucommiae and radix puerariae solid beverage. The preparation method of the cortex eucommiae and radix puerariae solid beverage is characterized by comprising the following steps of crushing cortex eucommiae staminate flowers or eucommia ulmoides leaves, mixing the cortex eucommiae staminate flower powder or the eucommia ulmoides leaf powder with radix puerariae powder and water, and performing granulation and performing drying so as to obtain the solid beverage. The cortex eucommiae and radix puerariae solid beverage has the beneficial effects that the made cortex eucommiae and radix puerariae solid beverage has the efficacy of the cortex eucommiae staminate flowers, and also has the nourishing efficacy of the radix puerariae powder and Chinese yam powder and the effect of reducing pathogenic fire of honeysuckle flowers. Through collocation, the efficacy of the cortex eucommiae and radix puerariae solid beverage can be strengthened, the health-care function of the cortex eucommiae and radix puerariae solid beverage can be greatly increased, and through detection, the content of active components of chlorogenic acids, geniposidic acids and geniposide achieves about 5.5%.
Owner:山东贝隆杜仲生物工程有限公司
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