Ultrasonic-assisted washing and maintaining method for radix astragali

Abstract

The invention discloses an ultrasonic-assisted washing and maintaining method for radix astragali. The method comprises the following steps that the radix astragali is placed in an ultrasonic washingmachine; after the radix astragali is washed for 30 min to 60 min at the water temperature of 25 DEG C or above, the ultrasonic frequency of 40 kHz and the power of 0.3-0.2 w / cm<2>, the radix astragali is soaked in water, a proper amount of environment-friendly, efficient, natural and nontoxic biological preservative is added, and the radix astragali is ultrasonically soaked for 10 min to 20 min at normal temperature and at the ultrasonic frequency of 40 kHz and the power of 0.3-2.0 w / cm<2>; and the soaked radix astragali is placed in a drying oven of the temperature of 40 DEG C for 2 h, and the radix astragali is collected in a plastic self-sealing bag and placed at a shady and cool, ventilated and dry place to be stored. According to the method, the ultrasonic washing technology cooperates with use of chitosan, so that the radix astragali is thoroughly washed, and the hidden danger of mildew and damage from worms is eliminated in advance; and meanwhile, medicinal materials and the external environment are isolated to a certain degree, and the medicinal material maintenance effects of being safe, efficient, natural, free of chemical pollution, environment-friendly and scientific are achieved.

Description

technical field [0001] The invention relates to the field of cleaning and maintenance of traditional Chinese medicinal materials, in particular to a method for ultrasonic-assisted cleaning and maintenance of Radix Astragali. Background technique [0002] Astragalus, also known as Mianqi and Mianhuangqi, is an important traditional bulk medicinal material. It was first recorded in "Shen Nong's Materia Medica" and listed as top grade. It is one of the most widely used traditional Chinese medicines in clinical prescriptions and Chinese patent medicines. Known as "ten medicines and eight qi", it is also a large variety for export. The 2015 edition of "Chinese Pharmacopoeia" stipulates that Astragalus is the dried root and rhizome of the leguminous plant Astragalus mongolica or Astragalus membranaceus. Astragalus membranaceus is sweet in taste, slightly warm in nature, and returns to the spleen and lung meridians. It has the effects of invigorating qi and promoting yang, benefi...

AI Technical Summary

Problems solved by technology

[0008] In order to solve the above problems, the present invention provides a method of ultrasonic-assisted cleaning and maintenance of Radix Astragali. Firstly, the Chinese medicinal materials are ultrasonically cleaned to remove a large amount of soil, pathogenic organisms and insect eggs attached to the surface of the medicinal materials, which can eliminate mildew in advance. and potential hidden dangers of moths, and then use the dispersion effect of ultrasonic waves to evenly coat a layer of antibacterial and environmentally friendly polymers such as chitosan on the surface of medicinal materials, which can isolate medicinal materials from the external environment to a certain extent and play a role in protection, Anti-mildew and anti-moth effects, further reducing the pollution of medicinal materials caused by anti-mildew, anti-moth, sterilization, disinfection and other maintenance measures during storage and transportation. It is a safe, efficient, natural, chemical-free, green and scientific medicinal material maintenance technology

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