ABSTRACT: Objective: To investigate the effect of microwave drying equipment on the content of volatile oil in Radix Notopterygii after drying, and to compare the effects of different drying methods on the overall chemical composition of Radix Notopterygii.
METHODS: The determination methods under the item of Qianghuo in Chinese Pharmacopoeia 2015 were adopted. CONCLUSION: Microwave vacuum drying can not only ensure drying efficiency, but also fully retain the thermosensitive components, and has no effect on the whole components of Radix Notopterygii.
Key words: microwave drying Radix Notopterygii; volatile oil; characteristic Atlas
Notopterygi-um inchum Ting ex H.T.Chang, or Notopterygi um franchetii H.de Boiss, a perennial herb of Umbelliferae, has the functions of dispelling cold, dispelling wind, removing dampness and relieving pain. The main physiological active ingredients of Notopterygi um inchum Ting ex H.T.Chang or Notopterygi um franchetii H.de Boiss.
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