Frozen dry powder injection of houttuynia cordata and its preparation
Patent Number: CN1583130
Publication date: 2005-02-23
Inventor(s): ZHANG QINGLONG [CN]
Applicant(s): ZHANG QINGLONG [CN]
Requested Patent: CN1583130
Application Number: CN200410046098 20040610
Priority Number(s): CN200410046098 20040610
IPC Classification: A61K35/78; A61K9/19; A61P31/00; A61P31/22; A61P35/00; A61P11/00; A61P1/00; A61P13/00; A61P15/00
Abstract
A freeze-dried powder injection is prepared from houttuynia through extracting its volatile oil and mixing it with 2-hydroxypropyl-beta-cyclodextrin.
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