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运用太赫兹光谱技术检测天麻中的水分含量
马 品, 杨玉平
作者单位
马 品 School of ScienceMinzu University of ChinaBeijing 100081China 
杨玉平 School of ScienceMinzu University of ChinaBeijing 100081China 
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)
Determination of moisture content of Gastrodia elata BI by terahertz spectroscopy
MA Pin, YANG Yuping
School of Science,Minzu University of China,Beijing 100081,China
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

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