68results about How to "Clear spots" patented technology

The invention relates to a Chinese medicine-compound black-bone chicken soft capsule having functions of tonifying Qi and blood and benefiting liver and kidney and the preparing and quality control methods thereof. It has many advantages of stability, convenient to take and carry, no sugar, no bad smell, etc, and the quality control method comprises identifying White Paeony Root, cortex moutan radicis, Milkvetch Root, Radix Codonopsis, Chinese Angelica Root and Rhizoma Chuanxiong in the soft capsule, making content determination on the active substance of White Paeony Root and cortex moutan radicis-paeoniflorin in the soft capsule and controlling total nitrogen content of the soft capsule.

This invention relates to haw antihyperglycemic slice identification method, which adopts film chromatography spectrum as haw antihyperglycemic slice qualitative identification of simple operations and good isolation and high accuracy and clear spot through negative lighting without interference with operating property belonging to haw antihyperglycemic slice quality standard.

The invention discloses a thin-layer chromatographic developer for detecting residual amount of tripolycyanamide and application of the thin-layer chromatographic developer. The developer contains 0.1 to 10 weight percent of p-dimethylaminobenzaldehyde and 0.1 to 2 weight percent of ethanol solution of inorganic acid such as hydrochloric acid or sulfuric acid respectively. During detection, a tested sample solution which contains tripolycyanamide and is sufficiently dissolved in a tripolycyanamide organic good solvent with the boiling point of less than or equal to 100 DEG C is applied to a silica gel chromatoplate and developed by the developer in a conventional way and then the developer is volatilized; after a sample is developed by the developer, development spots on the thin-layer chromatoplate are observed under an ultraviolet light or a natural light; and whether the tripolycyanamide content of the tested sample surpasses the prescribed limit is computed according to the amount of the applied sample. By the method, the spots of tripolycyanamide are clear; the detecting sensitivity is high; and the minimum detection value of tripolycyanamide can be 0.5mg.kg<-1>. The method is applicable for detecting the tripolycyanamide content of the food for people and / or animals, including dairy products.

The invention relates to a quality detecting method of a medicine composition for treating obsessed feeling. The medicine composition is prepared from semen ziziphi spinosae, radix bupleuri, white paeony roots, flos albizziae, cortex albiziae, bombyx batryticatus, cicada slough and junci medulla. The quality detecting method comprises the steps of distinguishing the active ingredients of radix bupleuri, flos albizziae, cortex albiziae, bombyx batryticatus and junci medulla, and determining the content of paeoniflorin in white paeony root, jujuboside A in semen ziziphi spinosae and spinosin. The jujuboside in semen ziziphi spinosae and flavonoid ingredient spinosin have important sedative and hypnotic effects; a basis is provided for evaluating the quality of semen ziziphi spinosae. The medicine quality is comprehensively and effectively controlled; an efficient, strict and reliable quality detecting method is made for ensuring the medicine quality; the accuracy is high; the stability is high; the sample treatment time is saved; the method can be effectively used for the quality detection on the medicine composition for treating obsessed feeling.

The invention relates to a focusing lamp lens set. The focusing lamp lens set comprises a first lens and a lens assembly, wherein the space between the first lens and a light source is fixed, the first lens emits all lights of the light source, and the lens assembly is located on the light emitting side of the first lens; the lens assembly comprises one or more concave lenses and one or more convex lenses, wherein the convex lenses are located between the first lens and the concave lenses; the convex lenses and the concave lenses have the same radius and the same refractive index, the convex faces of the convex lenses are opposite to the concave faces of the concave lenses, and the space between the convex lenses and the concave lenses can be adjusted so that different emitting angles canbe obtained. By the adoption of the focusing lamp lens set, the light efficiency is improved, and the irradiation effect is good.

The invention discloses a quality control method of a podocarpus macrophyllus fruit medicinal material. The quality control method is characterized in that a chemical component ligustrazine in the medicinal material is taken as a quality control index, a method for identifying ligustrazine in the medicinal material by means of thin-layer chromatography and a method for determining the content of ligustrazine in the medicinal material by means of high performance liquid chromatography are established. The result of the established thin-layer identification method shows that spots are clear, andinterference of other components does not exist; the high performance liquid chromatography target peak has high resolution, good peak shape, high specificity, good reproducibility, high precision and universal applicability and is free of interference of other impurity peaks. The quality control method can scientifically and effectively control the quality of the podocarpus macrophyllus fruit medicinal material.

The invention discloses a TLC identification method for Nazhenning, which belongs to the technical field of quality control of traditional Chinese medicine extracts and preparations. The invention provides the identification of tangerine peel in Naozhenning. The preparation method of the test product is simple, fast, accurate and environmentally friendly. The crude drug contained in it can be quantified, the separation degree is high, the sampling volume is small, the sampling volume is controllable, the sensitivity is high, and the interference is less. The invention provides the identification of Cortex Moutan in Naozhenning, using methanol ultrasonic extraction, water-saturated n-butanol extraction, neutral alumina mixing sample, can obtain the test sample, the sample amount is small, save time, and reduce environmental pollution Less, faster and easier to operate. The method provided by the invention has strong specificity, good reproducibility and durability, and can be used for the identification of the corresponding medicinal flavors in the extracts and preparations of Zhenzhengning.

The invention relates to a quality detection method for drug combination for treating cough, asthma and thoracic fullness. The drug combination is prepared from pinecones, cotton roots and folium eriobotryae. The quality detection method comprises the following steps: identifying active ingredients, namely pinecones, cotton roots and folium eriobotryae, and then determining residual quantity of free gossypol in cotton roots. Free gossypol is a polyphenol hydroxyl dinaphthalaldehyde compound, is a toxicant and is capable of resulting in human swelling and bleeding, nervous breakdown, inappetence, weight reduction and influence on fertility. According to the invention, the identification method is optimized on the basis of an original quality standard, and meanwhile, the identification for folium eriobotryae and the determination for the residual quantity of free gossypol in cotton roots are added, so that the quality monitoring for the drug combination for treating cough, asthma and thoracic fullness is greatly promoted. The quality detection method has high accuracy and high stability, can be used for effectively detecting the quality of the drug combination for treating cough, asthma and thoracic fullness and is capable of perfecting the quality standard.

The invention discloses an RCLED lamp bead packaging process, which comprises the following steps of dispensing solid crystal glue, mounting a chip, baking, welding a bonding wire, dispensing a first layer of anti-reflection glue, baking, dispensing a second layer of anti-reflection glue, baking and testing. The anti-reflection glue is dispensed in a corresponding area of an RCLED lamp bead, so that a part capable of reflecting light in the RCLED lamp bead is shielded; the reflection effect of the RCLED lamp bead is effectively eliminated, the light spot emitting effect of the RCLED lamp bead is improved, and the light spots are clearer and more accurate. And the viscosity of the first layer of anti-reflection glue has certain flowability, so that the anti-reflection glue can be rapidly filled in a specified area, and the production efficiency is high. And the second layer of anti-reflection glue is relatively high in viscosity and flows slowly after glue dispensing, so that the glue dispensing precision is improved, and the anti-reflection glue can be effectively prevented from shielding a light-emitting hole of the RCLED chip. When the bonding wire is welded, the support is the first welding spot, and the PAD of the RCLED chip is the second welding spot, so that the radian of the bonding wire is lower, the lamp bead has a good appearance, the dispensing amount is reduced, and the production cost is saved.

The invention relates to a pedicularis longiflora Rudolph.var.tubiformis formula granule, a preparation method and a detection method thereof. The formula granule is composed of pedicularis longifloraRudolph.var.tubiformis dry paste powder, silicon dioxide and sodium lauryl sulfate. The formula granule is prepared by performing digestion, spray drying and pelletizing on a single drug of the pedicularis longiflora Rudolph.var.tubiformis, and is convenient for a physician to carry out treatment based on syndrome differentiation and add and reduce according to syndromes; the detection method ofthe pedicularis longiflora Rudolph.var.tubiformis formula granule comprises performing thin layer chromatography identification by using a reference crude herb of the pedicularis longiflora Rudolph.var.tubiformis and a reference substance of luteolin, measuring the content of the main component luteolin by using high performance liquid chromatography, and detecting the content of tricin by using ultraviolet-visible spectrophotometry with the reference substance of the tricin as control; the detection method can reflect the quality of the pedicularis longiflora Rudolph.var.tubiformis formula granule comprehensively, guarantees complete reservation and stable content of the active ingredients of the pedicularis longiflora Rudolph.var.tubiformis formula granule, and makes the detection methodof the medicine quality more scientific and complete, and the medicine quality is better controlled.

The invention relates to a gentiana urnula formula granule, a preparation method and a detection method. The formula granule is composed of dry gentiana urnula paste powder, dextrin and polyethylene glycol. The gentiana urnula formula granule is prepared from a single medicine of gentiana urnula through extracting, concentrating, drying and pelletizing; treatment based on syndrome differentiationby a physician can be facilitated, the dosage is increased or decreased based on the syndrome; the detecting content is to identify gentiana urnula glycoside a through the thin layer chromatography, and detect the content of the gentiana urnula glycoside a in the formula granule through the liquid chromatography. By adopting the method, under different thin layer plates, temperature and humidity conditions, the spots on chromatograms are clear, the separation is in accord with the requirements, the Rf value is moderate, and better identification chromatography can be obtained under different conditions; a verification test shows that the method provided by the invention is good in reproducibility and durability, the liquid chromatography is adopted to detect the content of the gentiana urnula glycoside a, the result is accurate and reliable; the method is simple, good in repeatability, and can be used for effectively controlling the quality of the gentiana urnula formula granule.

The invention provides a detection method for discriminating a baicalin and chlorogenic acid thin layer in compound honeysuckle flower particles. The method comprises the following steps that 1) a tested object solution, a negative control solution, a baicalin contrast solution and a chlorogenic acid contrast solution are prepared, a developing solvent and a developer are prepared, and the developing solvent comprises ethyl acetate, methanol and acetic acid in the volume ratio of (1-7): (2-5): (7-15); 2) thin layer chromatography is carried out by taking a polyamide thin film as a thin layer plate, dropping the tested object solution, negative control solution, baicalin contrast solution and chlorogenic acid contrast solution on the thin layer plate, placing the thin layer plate dropped with samples in a developing cylinder saturated with the developing agent to implement development, removing the thin layer plate, and air drying; and 3) chlorogenic acid and baicalin are inspected in UV and daylight respectively. The method can be discriminate thin layers of the baicalin and chlorogenic acid in the compound honeysuckle flower particles specifically.

The invention provides a detection method of babaowudan cinnabar stick. The detection method comprises a borneol detection method and a bufotoxin detection method. Diethyl ether is adopted for extraction and taken as a test solution for detection, then dregs of decoction are taken as samples for a bufotoxin identification experiment, part of impurities in bufotoxin identification are removed, and further, the use amount of the samples is reduced. When amethanol extracting solution is taken as a test solution, more serious thin-layer chromatography interference is produced after development, and bufotoxin detection is affected; the methanol extracting solution is concentrated and passes a neutral aluminum oxide column, methanol is used for elution, a large quantity of impurities can be removed, and thin-layer chromatography interference can be reduced. A developer for bufotoxin detection adopts a toluene-acetone developer, the Rf (retardation factor) value is moderate, and spots are clear.

The invention relates to a quality detection method of a medicinal composition for treating cough, dyspnea and chest fullness. The composition consists of pine cones, cotton roots and loquat leaves. The quality detection method comprises: active ingredients pine cones, cotton roots, loquat Identification of leaves, determination of free gossypol residues in cotton roots. Free gossypol is a kind of polyphenolic hydroxyl bis-naphthaldehyde compound, which is a toxic substance that can cause redness, swelling and bleeding, nervous disorders, loss of appetite, weight loss, and affect fertility. On the basis of the original quality standard, the present invention optimizes the identification method, increases the identification of loquat leaves, and measures the residual amount of free gossypol in cotton roots, so that the quality monitoring level of the drug combination for treating cough, dyspnea and chest fullness has been significantly improved. Great improvement, the quality detection method has high accuracy and good stability, and can be effectively used for the quality detection of drug combinations for treating cough, asthma and chest fullness, and improves the quality standard.