Method for determining content of menthol in preparation of traditional Chinese medicine composition

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United States of America Patent

PATENT NO 11333637
APP PUB NO 20210285918A1
SERIAL NO

16347465

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Abstract

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A method for determining the content of menthol in a traditional Chinese medicine composition. The traditional Chinese medicine composition consists of the following medicinal materials: Fructus Forsythia, Flos Lonicerae, Radix Isatidis, Semen Armeniacae Amarum, menthol, Herba Houttuyniae, rheum, Herba Pogostemonis, Rhizoma Dryopteris Crassirhizomae, Rhodiola rosea L., Herba Ephedrae, Radix Glycyrrhizae and gypsum. In the method for determining the content, the content of the menthol in the composition is determined by gas chromatography to effectively control the content of menthol in the composition, and the method can save energy and reduce the costs for analysis.

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Patent Owner(s)

  • SHIJIAZHUANG YILING PHARMACEUTICAL CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bi, Dan Hebei, CN 2 0
Chen, Yupeng Hebei, CN 45 95
Zhang, Shuiying Hebei, CN 1 0
Zhao, Qian Hebei, CN 225 1495

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