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摘要: |
中药饮片水分含量监测耗时长,效率低,不能适应现场、快速、简便等实际需求。以普通药用天麻为例,运用太赫兹光谱技术对其检测,得到不同含水量天麻的吸收系数随频率的变化图。根据测量的结果反向推测出含水量的大小,从而实现对药品的水分检测,缩短检测时间,提高工作效率,为进一步实现对药品的质量监测提供可能。 |
关键词: 太赫兹 天麻 水分检测 |
DOI:10.11805/TKYDA201701.0026 |
分类号: |
基金项目:国家自然科学基金资助项目(11574408;11204191;11374378);国家重大科学仪器设备开发专项资助项目(2012YQ14000508);留学人员科技活动择优资助项目;国家民委“中青年英才”培养计划和国家大学生创新训练计划资助课题(GCCX2016110006) |
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Determination of moisture content of Gastrodia elata BI by terahertz spectroscopy |
MA Pin, YANG Yuping
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School of Science,Minzu University of China,Beijing 100081,China
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Abstract: |
Impersonal and normative determination of the moisture content is an important factor in monitoring the quality of the Pieces of Chinese Medicine. However, the conventional measurement method is time-consuming with low-efficiency, and cannot meet the fast, simple and in-situ requirements. In this work, the THz absorption spectra of Gastrodia elata BI with different moisture contents have been measured by Terahertz Time-Domain Spectroscopy(THz-TDS), and the obtained linear correlation between absorption coefficient and moisture content shows that THz-TDS method is expected to have potential applications for the quality inspection and determination of the moisture content in the Pieces of Chinese Medicine. |
Key words: Terahertz Gastrodia elata BI moisture content detection |