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Method for identifying storage time of ligusticum wallichii medicinal materials by utilizing HPLC-UV

The technology of a medicinal material, Ligusticum chuanxiong, which is applied in the field of identification of the storage period of medicinal materials of Chuanxiong, can solve the problem of no expiration date of Chinese medicinal materials and Chinese herbal pieces, and achieve the effect of simple, feasible, easy-to-operate, and good reproducibility of the identification method

Inactive Publication Date: 2014-12-24
SICHUAN AGRI UNIV
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Problems solved by technology

The "Drug Administration Law" promulgated on December 1, 2001 stipulates that the drugs on the market must be marked with an expiration date, but there is no expiration date for Chinese herbal medicines and Chinese herbal medicines.

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  • Method for identifying storage time of ligusticum wallichii medicinal materials by utilizing HPLC-UV
  • Method for identifying storage time of ligusticum wallichii medicinal materials by utilizing HPLC-UV

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Embodiment Construction

[0012] The present invention will be further described in detail below in combination with specific embodiments.

[0013] A method for identifying the storage life of Rhizoma Chuanxiong medicinal materials by using HPLC-UV. The instrument is an Agilent1100 high-performance liquid chromatograph equipped with a VWD detector, and samples of medicinal materials of Rhizoma Chuanxiong with different storage years. First, accurately weigh 1 g of the powder of the sample to be tested (identified) after crushing and place it in a flask, add 100 ml of 40% ethanol, record its weight, heat and reflux for extraction for 30 minutes or ultrasonic extraction for 30 minutes, and use 40% ethanol to supplement the loss when cooling to room temperature Then the extract was filtered through a 0.45μm microporous membrane, and the filtrate was the test solution; the mobile phase was acetonitrile, methanol and 1% glacial acetic acid, and the elution method was 0-5min20:40:40 (v / v / v, acetonitrile:met...

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Abstract

The invention relates to a method for identifying the storage time of ligusticum wallichii medicinal materials by utilizing HPLC-UV, and belongs to the field of traditional Chinese medicine quality evaluation and research. The method comprises two steps of establishing an HPLC-UV method for the ligusticum wallichii medicinal materials with different storage time and carrying out differential analysis on the obtained HPLC-UV map; the storage time of the ligusticum wallichii medicinal materials is identified according to the peak difference of characteristic peaks in the HPLC-UV map.

Description

technical field [0001] The invention belongs to the research field of quality evaluation of traditional Chinese medicinal materials, and relates to a storage life identification method for medicinal materials of Rhizoma Chuanxiong. Background technique [0002] Chuanxiong (Ligusticum chuanxiong Hort.) is a perennial herb of the genus Ligusticum in the Umbelliferae family. Its rhizomes are used as medicine. The main medicinal components include volatile oil, alkaloids, ferulic acid and other compounds. Chuanxiong can increase coronary blood flow, relax blood vessels, improve microcirculation, inhibit platelet aggregation, and antagonize the formation of atherosclerosis. It is often used in the treatment of cardiovascular and cerebrovascular diseases, such as myocardial infarction and coronary heart disease. Medicines containing Chuanxiong as important components include Suxiao Jiuxin Pills, Guanxinning, etc. Therefore, the quality monitoring and control of Chuanxiong medicina...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N30/02
Inventor 袁继超刘金亮郑顺林范巧佳孔凡磊杨世民谭杰冯冬菊
Owner SICHUAN AGRI UNIV
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