93 results about "Astragaloside IV" patented technology

The invention discloses a quality detection method for a weinai'an tablet. The quality detection method adopts one or more of the following identification and content determination items: thin-layer identification of radix astragali; thin-layer identification of radix astragali, red ginseng and pseudo-ginseng; thin-layer identification of atificial cow-bezoar; high performance liquid chromatography qualitative and quantitative identification method of weinai'an tablet; and high performance liquid chromatography quantitative identification method of Astragaloside IV. The method provided by the invention improves and revises the original weinai'an capsule quality standards, revises and enlarges thin-layer identification of radix astragali's four flavonoid components and Astragaloside IV, simultaneously revises and enlarges thin-layer identification of red ginseng, and identifies the index components Astragaloside IV, ginsenoside Rg1, Rb1 and notoginsenoside R1 at the same time. The method employs an HPLC-PDA-ELSD combined technology to establish a main active ingredient content determination and characteristic spectrum to realize effective control of the weinai'an tablet quality. At the same time, the method has the advantages of high efficiency, accurate quantification, good stability, high precision and excellent repeatability.

The invention provides a method for preparing Buzhong Yiqi pill, comprising the steps as follows: the eight Chinese medical materials of broil radix astragali, radix codonopsitis, baked liquoric root, largehead atractylodesrhizome (fried), angelica, largetrifoliolious bugbane rhizome, bupleurum and tangerine peel are milled into fine powders respectively and then mixed evenly; an adhesive agent is added into the mixture to prepare gains; the grains are pressed into pills; and the adhesive agent is the boiling liquid of ginger and fructus zizyphi. The preparation method has the advantages of adopting a method of pressing preparation, simple technique, and easy operation. The product prepared with the method has stable quality, and the dissolving time of the product is shortened by over 70 to 95 percent when compared with the original Buzhong Yiqi pill, with quicker medicine absorption and higher content of astragaloside IV. The invention solves the problem of uneven size of bills preparing with the water pill method. Therefore, the dosage of the medicine can be more accurate, while the rate of finished products at one time can be increased.